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From: Jakub Kicinski <kuba@kernel.org>
To: Eric Van Hensbergen <ericvh@kernel.org>,
	Latchesar Ionkov <lucho@ionkov.net>,
	Dominique Martinet <asmadeus@codewreck.org>,
	Christian Schoenebeck <linux_oss@crudebyte.com>
Cc: v9fs@lists.linux.dev
Subject: hangs after merge window changes
Date: Wed, 17 Jul 2024 10:24:58 -0700	[thread overview]
Message-ID: <20240717102458.649b60be@kernel.org> (raw)

Hi!

Apologies for possible duplicate, I tried to search lore and haven't
found anything, but also I can't find the exact 9p archive there :S

After forwarding to Linus's tree yesterday, we see hangs in networking
CI (which uses 9p over virtio to mount host FS), they seem sporadic, 
and are not very reproducible:

https://netdev-3.bots.linux.dev/vmksft-forwarding-dbg/results/686601/10-bridge-mdb-max-sh/stderr
https://netdev-3.bots.linux.dev/vmksft-netdevsim-dbg/results/687140/5-ethtool-coalesce-sh/stderr
https://netdev-3.bots.linux.dev/vmksft-netdevsim-dbg/results/687140/6-devlink-sh/stderr
https://netdev-3.bots.linux.dev/vmksft-net-dbg/results/686781/3-test-vxlan-mdb-sh/stderr
https://netdev-3.bots.linux.dev/vmksft-forwarding-dbg/results/686601/61-router-bridge-sh/stderr

We only got those 5 over 24h, meaning so roughly 1 in 500 runs hits
this.

For the benefits of the ML here's one of the five:

[  247.084355][   T43] INFO: task ip:419 blocked for more than 122 seconds.
[  247.084693][   T43]       Not tainted 6.10.0-virtme #1
[  247.084816][   T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  247.085041][   T43] task:ip              state:D stack:26288 pid:419   tgid:419   ppid:233    flags:0x00000000
[  247.085333][   T43] Call Trace:
[  247.085477][   T43]  <TASK>
[  247.085548][   T43]  __schedule+0x6e0/0x17e0
[  247.085681][   T43]  ? __pfx___schedule+0x10/0x10
[  247.085805][   T43]  ? schedule+0x1a5/0x210
[  247.085925][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  247.086049][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  247.086178][   T43]  ? schedule+0x1a5/0x210
[  247.086531][   T43]  schedule+0xdf/0x210
[  247.086643][   T43]  d_alloc_parallel+0xaef/0xed0
[  247.086788][   T43]  ? __pfx_d_alloc_parallel+0x10/0x10
[  247.086914][   T43]  ? __pfx_default_wake_function+0x10/0x10
[  247.087085][   T43]  ? lockdep_init_map_type+0x2cb/0x7c0
[  247.087214][   T43]  __lookup_slow+0x17f/0x3c0
[  247.087357][   T43]  ? __pfx___lookup_slow+0x10/0x10
[  247.087486][   T43]  ? walk_component+0x29e/0x4f0
[  247.087626][   T43]  walk_component+0x2ab/0x4f0
[  247.087753][   T43]  link_path_walk.part.0.constprop.0+0x416/0x940
[  247.087921][   T43]  ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10
[  247.088092][   T43]  path_openat+0x1be/0x440
[  247.088240][   T43]  ? __pfx_path_openat+0x10/0x10
[  247.088366][   T43]  ? __lock_acquire+0xaf0/0x1570
[  247.088492][   T43]  do_filp_open+0x1b3/0x3e0
[  247.088616][   T43]  ? __pfx_do_filp_open+0x10/0x10
[  247.088736][   T43]  ? find_held_lock+0x2c/0x110
[  247.088871][   T43]  ? do_raw_spin_lock+0x131/0x270
[  247.088995][   T43]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  247.089118][   T43]  ? alloc_fd+0x1f5/0x650
[  247.089214][   T43]  ? do_raw_spin_unlock+0x58/0x220
[  247.089367][   T43]  ? _raw_spin_unlock+0x23/0x40
[  247.089493][   T43]  ? alloc_fd+0x1f5/0x650
[  247.089624][   T43]  do_sys_openat2+0x122/0x160
[  247.089777][   T43]  ? __pfx_do_sys_openat2+0x10/0x10
[  247.089901][   T43]  ? __pfx___debug_check_no_obj_freed+0x10/0x10
[  247.090060][   T43]  ? __virt_addr_valid+0x230/0x430
[  247.090192][   T43]  __x64_sys_openat+0x123/0x1e0
[  247.090329][   T43]  ? __pfx___x64_sys_openat+0x10/0x10
[  247.090484][   T43]  do_syscall_64+0xc1/0x1d0
[  247.090607][   T43]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.090758][   T43] RIP: 0033:0x7f4b57a460e8
[  247.090901][   T43] RSP: 002b:00007ffd58925788 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
[  247.091085][   T43] RAX: ffffffffffffffda RBX: 00007ffd58925a0f RCX: 00007f4b57a460e8
[  247.091303][   T43] RDX: 0000000000080000 RSI: 00007ffd58925800 RDI: 00000000ffffff9c
[  247.091500][   T43] RBP: 00007ffd589257f0 R08: 0000000000080000 R09: 00007ffd58925800
[  247.091682][   T43] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffd58925807
[  247.091873][   T43] R13: 00007ffd58925a20 R14: 00007ffd58925800 R15: 00007f4b57a17000
[  247.092070][   T43]  </TASK>
[  247.092167][   T43] INFO: task rename_device:421 blocked for more than 122 seconds.
[  247.092346][   T43]       Not tainted 6.10.0-virtme #1
[  247.092467][   T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  247.092690][   T43] task:rename_device   state:D stack:26464 pid:421   tgid:421   ppid:1      flags:0x00004004
[  247.092926][   T43] Call Trace:
[  247.093016][   T43]  <TASK>
[  247.093110][   T43]  __schedule+0x6e0/0x17e0
[  247.093265][   T43]  ? __pfx___schedule+0x10/0x10
[  247.093392][   T43]  ? schedule+0x1a5/0x210
[  247.093497][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  247.093636][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  247.093763][   T43]  ? schedule+0x1a5/0x210
[  247.093861][   T43]  schedule+0xdf/0x210
[  247.093963][   T43]  __wait_on_freeing_inode+0x115/0x280
[  247.094084][   T43]  ? __pfx___wait_on_freeing_inode+0x10/0x10
[  247.094249][   T43]  ? __pfx_wake_bit_function+0x10/0x10
[  247.094395][   T43]  ? lock_acquire+0x32/0xc0
[  247.094525][   T43]  ? find_inode_fast+0x158/0x450
[  247.094654][   T43]  find_inode_fast+0x18d/0x450
[  247.094779][   T43]  iget_locked+0x7d/0x390
[  247.094895][   T43]  ? hlock_class+0x4e/0x130
[  247.095029][   T43]  v9fs_fid_iget_dotl+0x78/0x2d0
[  247.095156][   T43]  v9fs_vfs_lookup.part.0+0x1ed/0x390
[  247.095304][   T43]  ? __pfx_v9fs_vfs_lookup.part.0+0x10/0x10
[  247.095455][   T43]  ? lockdep_init_map_type+0x2cb/0x7c0
[  247.095598][   T43]  __lookup_slow+0x209/0x3c0
[  247.095721][   T43]  ? __pfx___lookup_slow+0x10/0x10
[  247.095865][   T43]  ? walk_component+0x29e/0x4f0
[  247.096013][   T43]  walk_component+0x2ab/0x4f0
[  247.096137][   T43]  link_path_walk.part.0.constprop.0+0x416/0x940
[  247.096335][   T43]  ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10
[  247.096492][   T43]  path_openat+0x1be/0x440
[  247.096633][   T43]  ? __pfx_path_openat+0x10/0x10
[  247.096770][   T43]  ? __lock_acquire+0xaf0/0x1570
[  247.096895][   T43]  do_filp_open+0x1b3/0x3e0
[  247.097025][   T43]  ? __pfx_do_filp_open+0x10/0x10
[  247.097144][   T43]  ? find_held_lock+0x2c/0x110
[  247.097310][   T43]  ? do_raw_spin_lock+0x131/0x270
[  247.097433][   T43]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  247.097567][   T43]  ? alloc_fd+0x1f5/0x650
[  247.097674][   T43]  ? do_raw_spin_unlock+0x58/0x220
[  247.097797][   T43]  ? _raw_spin_unlock+0x23/0x40
[  247.097923][   T43]  ? alloc_fd+0x1f5/0x650
[  247.098022][   T43]  do_sys_openat2+0x122/0x160
[  247.098144][   T43]  ? __pfx_do_sys_openat2+0x10/0x10
[  247.098276][   T43]  ? __up_read+0x1a7/0x780
[  247.098402][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  247.098523][   T43]  ? __pfx___up_read+0x10/0x10
[  247.098650][   T43]  __x64_sys_openat+0x123/0x1e0
[  247.098770][   T43]  ? __pfx___x64_sys_openat+0x10/0x10
[  247.098907][   T43]  do_syscall_64+0xc1/0x1d0
[  247.099029][   T43]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.099178][   T43] RIP: 0033:0x7fb4a75850e8
[  247.099311][   T43] RSP: 002b:00007fffb3f40268 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
[  247.099490][   T43] RAX: ffffffffffffffda RBX: 00007fffb3f4033f RCX: 00007fb4a75850e8
[  247.099666][   T43] RDX: 0000000000080000 RSI: 00007fb4a75565f0 RDI: 00000000ffffff9c
[  247.099844][   T43] RBP: 00007fffb3f402d0 R08: 0000000000080000 R09: 00007fb4a75565f0
[  247.100022][   T43] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000
[  247.100203][   T43] R13: 00007fffb3f40350 R14: 00007fb4a75565f0 R15: 00007fffb3f40350
[  247.100402][   T43]  </TASK>
[  247.100496][   T43] INFO: task (spawn):422 blocked for more than 122 seconds.
[  247.100660][   T43]       Not tainted 6.10.0-virtme #1
[  247.100777][   T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  247.100969][   T43] task:(spawn)         state:D stack:26464 pid:422   tgid:422   ppid:1      flags:0x00004006
[  247.101202][   T43] Call Trace:
[  247.101300][   T43]  <TASK>
[  247.101367][   T43]  __schedule+0x6e0/0x17e0
[  247.101494][   T43]  ? __pfx___schedule+0x10/0x10
[  247.101614][   T43]  ? schedule+0x1a5/0x210
[  247.101710][   T43]  ? __pfx___lock_release+0x10/0x10
[  247.101828][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  247.101950][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  247.102080][   T43]  ? schedule+0x1a5/0x210
[  247.102176][   T43]  schedule+0xdf/0x210
[  247.102280][   T43]  d_alloc_parallel+0xaef/0xed0
[  247.102411][   T43]  ? __pfx_d_alloc_parallel+0x10/0x10
[  247.102536][   T43]  ? __pfx_default_wake_function+0x10/0x10
[  247.102690][   T43]  ? lockdep_init_map_type+0x2cb/0x7c0
[  247.102817][   T43]  __lookup_slow+0x17f/0x3c0
[  247.102963][   T43]  ? __pfx___lookup_slow+0x10/0x10
[  247.103092][   T43]  ? walk_component+0x29e/0x4f0
[  247.103251][   T43]  walk_component+0x2ab/0x4f0
[  247.103375][   T43]  link_path_walk.part.0.constprop.0+0x416/0x940
[  247.103549][   T43]  ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10
[  247.103712][   T43]  path_openat+0x1be/0x440
[  247.103838][   T43]  ? __pfx_path_openat+0x10/0x10
[  247.103997][   T43]  ? hlock_class+0x4e/0x130
[  247.104117][   T43]  ? mark_lock+0x38/0x3e0
[  247.104244][   T43]  do_filp_open+0x1b3/0x3e0
[  247.104375][   T43]  ? __pfx_do_filp_open+0x10/0x10
[  247.104507][   T43]  ? __lock_release+0x103/0x460
[  247.104625][   T43]  ? __create_object+0x5e/0xb0
[  247.104746][   T43]  ? __pfx___lock_release+0x10/0x10
[  247.104868][   T43]  ? hlock_class+0x4e/0x130
[  247.104999][   T43]  ? mark_held_locks+0x9e/0xe0
[  247.105120][   T43]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  247.105286][   T43]  do_open_execat+0xb0/0x280
[  247.105421][   T43]  ? __pfx_do_open_execat+0x10/0x10
[  247.105544][   T43]  ? getname_kernel+0x14c/0x2d0
[  247.105689][   T43]  ? __kmalloc_noprof+0x1d7/0x3d0
[  247.105814][   T43]  open_exec+0x2b/0x50
[  247.105909][   T43]  load_elf_binary+0x504/0x2880
[  247.106069][   T43]  ? find_held_lock+0x2c/0x110
[  247.106195][   T43]  ? __lock_release+0x103/0x460
[  247.106345][   T43]  ? search_binary_handler+0x134/0x550
[  247.106480][   T43]  ? __pfx___lock_release+0x10/0x10
[  247.106599][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  247.106728][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  247.106847][   T43]  ? __pfx_load_elf_binary+0x10/0x10
[  247.106991][   T43]  ? search_binary_handler+0x134/0x550
[  247.107126][   T43]  search_binary_handler+0x152/0x550
[  247.107258][   T43]  ? __pfx_search_binary_handler+0x10/0x10
[  247.107438][   T43]  ? __task_pid_nr_ns+0x11a/0x410
[  247.107564][   T43]  ? exec_binprm+0x100/0x3c0
[  247.107707][   T43]  exec_binprm+0x119/0x3c0
[  247.107833][   T43]  bprm_execve+0xe9/0x4f0
[  247.107927][   T43]  do_execveat_common.isra.0+0x3eb/0x530
[  247.108064][   T43]  __x64_sys_execve+0x8c/0xb0
[  247.108193][   T43]  do_syscall_64+0xc1/0x1d0
[  247.108344][   T43]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.108494][   T43] RIP: 0033:0x7fa4f34f740b
[  247.108650][   T43] RSP: 002b:00007ffd893fd6d8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[  247.108832][   T43] RAX: ffffffffffffffda RBX: 0000560ac3d5daf0 RCX: 00007fa4f34f740b
[  247.109026][   T43] RDX: 0000560ac3d62360 RSI: 0000560ac3d76bc0 RDI: 0000560ac3d8d8f0
[  247.109213][   T43] RBP: 00007ffd893fd800 R08: 0000000000000000 R09: 0000000000000000
[  247.109403][   T43] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd89401890
[  247.109604][   T43] R13: 00007fa4f2c3a9d8 R14: 00007ffd893fd720 R15: 0000000000000000
[  247.109792][   T43]  </TASK>
[  247.109885][   T43] INFO: task (spawn):423 blocked for more than 122 seconds.
[  247.110074][   T43]       Not tainted 6.10.0-virtme #1
[  247.110188][   T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  247.110412][   T43] task:(spawn)         state:D stack:26608 pid:423   tgid:423   ppid:1      flags:0x00004006
[  247.110654][   T43] Call Trace:
[  247.110744][   T43]  <TASK>
[  247.110820][   T43]  __schedule+0x6e0/0x17e0
[  247.110961][   T43]  ? __pfx___schedule+0x10/0x10
[  247.111080][   T43]  ? schedule+0x1a5/0x210
[  247.111196][   T43]  ? __pfx___lock_release+0x10/0x10
[  247.111336][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  247.111458][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  247.111599][   T43]  ? schedule+0x1a5/0x210
[  247.111693][   T43]  schedule+0xdf/0x210
[  247.111786][   T43]  d_alloc_parallel+0xaef/0xed0
[  247.111928][   T43]  ? __pfx_d_alloc_parallel+0x10/0x10
[  247.112051][   T43]  ? __pfx_default_wake_function+0x10/0x10
[  247.112239][   T43]  ? lockdep_init_map_type+0x2cb/0x7c0
[  247.112367][   T43]  __lookup_slow+0x17f/0x3c0
[  247.112490][   T43]  ? __pfx___lookup_slow+0x10/0x10
[  247.112618][   T43]  ? walk_component+0x29e/0x4f0
[  247.112753][   T43]  walk_component+0x2ab/0x4f0
[  247.112877][   T43]  link_path_walk.part.0.constprop.0+0x416/0x940
[  247.113028][   T43]  ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10
[  247.113186][   T43]  path_openat+0x1be/0x440
[  247.113362][   T43]  ? __pfx_path_openat+0x10/0x10
[  247.113483][   T43]  ? hlock_class+0x4e/0x130
[  247.113612][   T43]  ? mark_lock+0x38/0x3e0
[  247.113729][   T43]  do_filp_open+0x1b3/0x3e0
[  247.113850][   T43]  ? __pfx_do_filp_open+0x10/0x10
[  247.113989][   T43]  ? __lock_release+0x103/0x460
[  247.114107][   T43]  ? __create_object+0x5e/0xb0
[  247.114255][   T43]  ? __pfx___lock_release+0x10/0x10
[  247.114388][   T43]  ? hlock_class+0x4e/0x130
[  247.114514][   T43]  ? mark_held_locks+0x9e/0xe0
[  247.114653][   T43]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  247.114814][   T43]  do_open_execat+0xb0/0x280
[  247.114947][   T43]  ? __pfx_do_open_execat+0x10/0x10
[  247.115089][   T43]  ? getname_kernel+0x14c/0x2d0
[  247.115206][   T43]  ? __kmalloc_noprof+0x1d7/0x3d0
[  247.115347][   T43]  open_exec+0x2b/0x50
[  247.115443][   T43]  load_elf_binary+0x504/0x2880
[  247.115591][   T43]  ? find_held_lock+0x2c/0x110
[  247.115713][   T43]  ? __lock_release+0x103/0x460
[  247.115838][   T43]  ? search_binary_handler+0x134/0x550
[  247.115984][   T43]  ? __pfx___lock_release+0x10/0x10
[  247.116103][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  247.116272][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  247.116395][   T43]  ? __pfx_load_elf_binary+0x10/0x10
[  247.116526][   T43]  ? search_binary_handler+0x134/0x550
[  247.116658][   T43]  search_binary_handler+0x152/0x550
[  247.116801][   T43]  ? __pfx_search_binary_handler+0x10/0x10
[  247.116950][   T43]  ? __task_pid_nr_ns+0x11a/0x410
[  247.117081][   T43]  ? exec_binprm+0x100/0x3c0
[  247.117248][   T43]  exec_binprm+0x119/0x3c0
[  247.117378][   T43]  bprm_execve+0xe9/0x4f0
[  247.117472][   T43]  do_execveat_common.isra.0+0x3eb/0x530
[  247.117596][   T43]  __x64_sys_execve+0x8c/0xb0
[  247.117725][   T43]  do_syscall_64+0xc1/0x1d0
[  247.117847][   T43]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.117994][   T43] RIP: 0033:0x7fa4f34f740b
[  247.118116][   T43] RSP: 002b:00007ffd89405918 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[  247.118309][   T43] RAX: ffffffffffffffda RBX: 0000560ac3d94430 RCX: 00007fa4f34f740b
[  247.118483][   T43] RDX: 0000560ac3d5ff20 RSI: 0000560ac3d76cd0 RDI: 0000560ac3d5e240
[  247.118660][   T43] RBP: 00007ffd89405a40 R08: 0000000000000008 R09: 0000000000000000
[  247.118838][   T43] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560ac3d767d0
[  247.119013][   T43] R13: 00007fa4f2c3a9d8 R14: 00007ffd89405960 R15: 0000000000000000
[  247.119201][   T43]  </TASK>
[  247.119300][   T43] INFO: task (spawn):424 blocked for more than 122 seconds.
[  247.119463][   T43]       Not tainted 6.10.0-virtme #1
[  247.119583][   T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  247.119772][   T43] task:(spawn)         state:D stack:26464 pid:424   tgid:424   ppid:1      flags:0x00004006
[  247.120005][   T43] Call Trace:
[  247.120096][   T43]  <TASK>
[  247.120161][   T43]  __schedule+0x6e0/0x17e0
[  247.120298][   T43]  ? __pfx___schedule+0x10/0x10
[  247.120417][   T43]  ? schedule+0x1a5/0x210
[  247.120519][   T43]  ? __pfx___lock_release+0x10/0x10
[  247.120636][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  247.120756][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  247.120881][   T43]  ? schedule+0x1a5/0x210
[  247.120976][   T43]  schedule+0xdf/0x210
[  247.121069][   T43]  d_alloc_parallel+0xaef/0xed0
[  247.121200][   T43]  ? __pfx_d_alloc_parallel+0x10/0x10
[  247.121443][   T43]  ? __pfx_default_wake_function+0x10/0x10
[  247.121596][   T43]  ? lockdep_init_map_type+0x2cb/0x7c0
[  247.121728][   T43]  __lookup_slow+0x17f/0x3c0
[  247.121849][   T43]  ? __pfx___lookup_slow+0x10/0x10
[  247.122028][   T43]  ? walk_component+0x29e/0x4f0
[  247.122162][   T43]  walk_component+0x2ab/0x4f0
[  247.122295][   T43]  link_path_walk.part.0.constprop.0+0x416/0x940
[  247.122447][   T43]  ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10
[  247.122713][   T43]  path_openat+0x1be/0x440
[  247.122839][   T43]  ? __pfx_path_openat+0x10/0x10
[  247.122959][   T43]  ? hlock_class+0x4e/0x130
[  247.123078][   T43]  ? mark_lock+0x38/0x3e0
[  247.123175][   T43]  do_filp_open+0x1b3/0x3e0
[  247.123379][   T43]  ? __pfx_do_filp_open+0x10/0x10
[  247.123511][   T43]  ? __lock_release+0x103/0x460
[  247.123628][   T43]  ? __create_object+0x5e/0xb0
[  247.123775][   T43]  ? __pfx___lock_release+0x10/0x10
[  247.123990][   T43]  ? hlock_class+0x4e/0x130
[  247.124128][   T43]  ? mark_held_locks+0x9e/0xe0
[  247.124263][   T43]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  247.124444][   T43]  do_open_execat+0xb0/0x280
[  247.124622][   T43]  ? __pfx_do_open_execat+0x10/0x10
[  247.124747][   T43]  ? getname_kernel+0x14c/0x2d0
[  247.124896][   T43]  ? __kmalloc_noprof+0x1d7/0x3d0
[  247.125019][   T43]  open_exec+0x2b/0x50
[  247.125194][   T43]  load_elf_binary+0x504/0x2880
[  247.125335][   T43]  ? find_held_lock+0x2c/0x110
[  247.125466][   T43]  ? __lock_release+0x103/0x460
[  247.125589][   T43]  ? search_binary_handler+0x134/0x550
[  247.125723][   T43]  ? __pfx___lock_release+0x10/0x10
[  247.125916][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  247.126036][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  247.126184][   T43]  ? __pfx_load_elf_binary+0x10/0x10
[  247.126330][   T43]  ? search_binary_handler+0x134/0x550
[  247.126536][   T43]  search_binary_handler+0x152/0x550
[  247.126659][   T43]  ? __pfx_search_binary_handler+0x10/0x10
[  247.126819][   T43]  ? __task_pid_nr_ns+0x11a/0x410
[  247.126943][   T43]  ? exec_binprm+0x100/0x3c0
[  247.127144][   T43]  exec_binprm+0x119/0x3c0
[  247.127281][   T43]  bprm_execve+0xe9/0x4f0
[  247.127403][   T43]  do_execveat_common.isra.0+0x3eb/0x530
[  247.127529][   T43]  __x64_sys_execve+0x8c/0xb0
[  247.127732][   T43]  do_syscall_64+0xc1/0x1d0
[  247.127854][   T43]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.128016][   T43] RIP: 0033:0x7fa4f34f740b
[  247.128140][   T43] RSP: 002b:00007ffd893fd6d8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[  247.128413][   T43] RAX: ffffffffffffffda RBX: 0000560ac3d2df30 RCX: 00007fa4f34f740b
[  247.128601][   T43] RDX: 0000560ac3d7ff10 RSI: 0000560ac3d8d940 RDI: 0000560ac3d33950
[  247.128798][   T43] RBP: 00007ffd893fd800 R08: 0000000000000000 R09: 0000000000000000
[  247.129060][   T43] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd89401890
[  247.129249][   T43] R13: 00007fa4f2c3a9d8 R14: 00007ffd893fd720 R15: 0000000000000000
[  247.129440][   T43]  </TASK>
[  247.129587][   T43] 
[  247.129587][   T43] Showing all locks held in the system:
[  247.129764][   T43] 1 lock held by khungtaskd/43:
[  247.129901][   T43]  #0: ffffffff97b54b80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x70/0x3a0
[  247.130210][   T43] 1 lock held by ip/419:
[  247.130311][   T43]  #0: ffff888001470148 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: walk_component+0x29e/0x4f0
[  247.130587][   T43] 1 lock held by rename_device/421:
[  247.130713][   T43]  #0: ffff888001470148 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: walk_component+0x29e/0x4f0
[  247.131030][   T43] 2 locks held by (spawn)/422:
[  247.131146][   T43]  #0: ffff888005bc4238 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0x51/0x4f0
[  247.131431][   T43]  #1: ffff888001470148 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: walk_component+0x29e/0x4f0
[  247.131698][   T43] 2 locks held by (spawn)/423:
[  247.131813][   T43]  #0: ffff888005bc0578 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0x51/0x4f0
[  247.132112][   T43]  #1: ffff888001470148 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: walk_component+0x29e/0x4f0
[  247.132379][   T43] 2 locks held by (spawn)/424:
[  247.132502][   T43]  #0: ffff888005bc0c38 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0x51/0x4f0
[  247.132852][   T43]  #1: ffff888001470148 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: walk_component+0x29e/0x4f0
[  247.133095][   T43] 
[  247.133169][   T43] =============================================
[  247.133169][   T43] 
[  369.964331][   T43] INFO: task ip:419 blocked for more than 245 seconds.
[  369.964619][   T43]       Not tainted 6.10.0-virtme #1
[  369.964734][   T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  369.964953][   T43] task:ip              state:D stack:26288 pid:419   tgid:419   ppid:233    flags:0x00000000
[  369.965192][   T43] Call Trace:
[  369.965327][   T43]  <TASK>
[  369.965400][   T43]  __schedule+0x6e0/0x17e0
[  369.965536][   T43]  ? __pfx___schedule+0x10/0x10
[  369.965659][   T43]  ? schedule+0x1a5/0x210
[  369.965757][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  369.965881][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  369.966011][   T43]  ? schedule+0x1a5/0x210
[  369.966113][   T43]  schedule+0xdf/0x210
[  369.966209][   T43]  d_alloc_parallel+0xaef/0xed0
[  369.966364][   T43]  ? __pfx_d_alloc_parallel+0x10/0x10
[  369.966502][   T43]  ? __pfx_default_wake_function+0x10/0x10
[  369.966657][   T43]  ? lockdep_init_map_type+0x2cb/0x7c0
[  369.966785][   T43]  __lookup_slow+0x17f/0x3c0
[  369.966907][   T43]  ? __pfx___lookup_slow+0x10/0x10
[  369.967033][   T43]  ? walk_component+0x29e/0x4f0
[  369.967172][   T43]  walk_component+0x2ab/0x4f0
[  369.967305][   T43]  link_path_walk.part.0.constprop.0+0x416/0x940
[  369.967462][   T43]  ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10
[  369.967617][   T43]  path_openat+0x1be/0x440
[  369.967743][   T43]  ? __pfx_path_openat+0x10/0x10
[  369.967867][   T43]  ? __lock_acquire+0xaf0/0x1570
[  369.967993][   T43]  do_filp_open+0x1b3/0x3e0
[  369.968115][   T43]  ? __pfx_do_filp_open+0x10/0x10
[  369.968243][   T43]  ? find_held_lock+0x2c/0x110
[  369.968374][   T43]  ? do_raw_spin_lock+0x131/0x270
[  369.968499][   T43]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  369.968620][   T43]  ? alloc_fd+0x1f5/0x650
[  369.968714][   T43]  ? do_raw_spin_unlock+0x58/0x220
[  369.968837][   T43]  ? _raw_spin_unlock+0x23/0x40
[  369.968960][   T43]  ? alloc_fd+0x1f5/0x650
[  369.969059][   T43]  do_sys_openat2+0x122/0x160
[  369.969181][   T43]  ? __pfx_do_sys_openat2+0x10/0x10
[  369.969312][   T43]  ? __pfx___debug_check_no_obj_freed+0x10/0x10
[  369.969465][   T43]  ? __virt_addr_valid+0x230/0x430
[  369.969591][   T43]  __x64_sys_openat+0x123/0x1e0
[  369.969713][   T43]  ? __pfx___x64_sys_openat+0x10/0x10
[  369.969869][   T43]  do_syscall_64+0xc1/0x1d0
[  369.969996][   T43]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  369.970156][   T43] RIP: 0033:0x7f4b57a460e8
[  369.970330][   T43] RSP: 002b:00007ffd58925788 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
[  369.970663][   T43] RAX: ffffffffffffffda RBX: 00007ffd58925a0f RCX: 00007f4b57a460e8
[  369.970849][   T43] RDX: 0000000000080000 RSI: 00007ffd58925800 RDI: 00000000ffffff9c
[  369.971027][   T43] RBP: 00007ffd589257f0 R08: 0000000000080000 R09: 00007ffd58925800
[  369.971241][   T43] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffd58925807
[  369.971439][   T43] R13: 00007ffd58925a20 R14: 00007ffd58925800 R15: 00007f4b57a17000
[  369.971675][   T43]  </TASK>
[  369.971769][   T43] INFO: task rename_device:421 blocked for more than 245 seconds.
[  369.971933][   T43]       Not tainted 6.10.0-virtme #1
[  369.972051][   T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  369.972296][   T43] task:rename_device   state:D stack:26464 pid:421   tgid:421   ppid:1      flags:0x00004004
[  369.972551][   T43] Call Trace:
[  369.972648][   T43]  <TASK>
[  369.972715][   T43]  __schedule+0x6e0/0x17e0
[  369.972860][   T43]  ? __pfx___schedule+0x10/0x10
[  369.972980][   T43]  ? schedule+0x1a5/0x210
[  369.973082][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  369.973237][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  369.973364][   T43]  ? schedule+0x1a5/0x210
[  369.973463][   T43]  schedule+0xdf/0x210
[  369.973555][   T43]  __wait_on_freeing_inode+0x115/0x280
[  369.973687][   T43]  ? __pfx___wait_on_freeing_inode+0x10/0x10
[  369.973840][   T43]  ? __pfx_wake_bit_function+0x10/0x10
[  369.973966][   T43]  ? lock_acquire+0x32/0xc0
[  369.974093][   T43]  ? find_inode_fast+0x158/0x450
[  369.974257][   T43]  find_inode_fast+0x18d/0x450
[  369.974383][   T43]  iget_locked+0x7d/0x390
[  369.974501][   T43]  ? hlock_class+0x4e/0x130
[  369.974629][   T43]  v9fs_fid_iget_dotl+0x78/0x2d0
[  369.974762][   T43]  v9fs_vfs_lookup.part.0+0x1ed/0x390
[  369.974902][   T43]  ? __pfx_v9fs_vfs_lookup.part.0+0x10/0x10
[  369.975059][   T43]  ? lockdep_init_map_type+0x2cb/0x7c0
[  369.975189][   T43]  __lookup_slow+0x209/0x3c0
[  369.975347][   T43]  ? __pfx___lookup_slow+0x10/0x10
[  369.975483][   T43]  ? walk_component+0x29e/0x4f0
[  369.975644][   T43]  walk_component+0x2ab/0x4f0
[  369.975770][   T43]  link_path_walk.part.0.constprop.0+0x416/0x940
[  369.975964][   T43]  ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10
[  369.976120][   T43]  path_openat+0x1be/0x440
[  369.976269][   T43]  ? __pfx_path_openat+0x10/0x10
[  369.976394][   T43]  ? __lock_acquire+0xaf0/0x1570
[  369.976534][   T43]  do_filp_open+0x1b3/0x3e0
[  369.976655][   T43]  ? __pfx_do_filp_open+0x10/0x10
[  369.976796][   T43]  ? find_held_lock+0x2c/0x110
[  369.976935][   T43]  ? do_raw_spin_lock+0x131/0x270
[  369.977054][   T43]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  369.977181][   T43]  ? alloc_fd+0x1f5/0x650
[  369.977283][   T43]  ? do_raw_spin_unlock+0x58/0x220
[  369.977407][   T43]  ? _raw_spin_unlock+0x23/0x40
[  369.977547][   T43]  ? alloc_fd+0x1f5/0x650
[  369.977648][   T43]  do_sys_openat2+0x122/0x160
[  369.977769][   T43]  ? __pfx_do_sys_openat2+0x10/0x10
[  369.977908][   T43]  ? __up_read+0x1a7/0x780
[  369.978036][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  369.978162][   T43]  ? __pfx___up_read+0x10/0x10
[  369.978323][   T43]  __x64_sys_openat+0x123/0x1e0
[  369.978446][   T43]  ? __pfx___x64_sys_openat+0x10/0x10
[  369.978585][   T43]  do_syscall_64+0xc1/0x1d0
[  369.978708][   T43]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  369.978877][   T43] RIP: 0033:0x7fb4a75850e8
[  369.979008][   T43] RSP: 002b:00007fffb3f40268 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
[  369.979204][   T43] RAX: ffffffffffffffda RBX: 00007fffb3f4033f RCX: 00007fb4a75850e8
[  369.979427][   T43] RDX: 0000000000080000 RSI: 00007fb4a75565f0 RDI: 00000000ffffff9c
[  369.979602][   T43] RBP: 00007fffb3f402d0 R08: 0000000000080000 R09: 00007fb4a75565f0
[  369.979780][   T43] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000
[  369.979957][   T43] R13: 00007fffb3f40350 R14: 00007fb4a75565f0 R15: 00007fffb3f40350
[  369.980151][   T43]  </TASK>
[  369.980252][   T43] INFO: task (spawn):422 blocked for more than 245 seconds.
[  369.980427][   T43]       Not tainted 6.10.0-virtme #1
[  369.980548][   T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  369.980759][   T43] task:(spawn)         state:D stack:26464 pid:422   tgid:422   ppid:1      flags:0x00004006
[  369.980997][   T43] Call Trace:
[  369.981110][   T43]  <TASK>
[  369.981181][   T43]  __schedule+0x6e0/0x17e0
[  369.981321][   T43]  ? __pfx___schedule+0x10/0x10
[  369.981441][   T43]  ? schedule+0x1a5/0x210
[  369.981533][   T43]  ? __pfx___lock_release+0x10/0x10
[  369.981652][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  369.981775][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  369.981926][   T43]  ? schedule+0x1a5/0x210
[  369.982024][   T43]  schedule+0xdf/0x210
[  369.982122][   T43]  d_alloc_parallel+0xaef/0xed0
[  369.982297][   T43]  ? __pfx_d_alloc_parallel+0x10/0x10
[  369.982422][   T43]  ? __pfx_default_wake_function+0x10/0x10
[  369.982584][   T43]  ? lockdep_init_map_type+0x2cb/0x7c0
[  369.982738][   T43]  __lookup_slow+0x17f/0x3c0
[  369.982859][   T43]  ? __pfx___lookup_slow+0x10/0x10
[  369.982994][   T43]  ? walk_component+0x29e/0x4f0
[  369.983152][   T43]  walk_component+0x2ab/0x4f0
[  369.983293][   T43]  link_path_walk.part.0.constprop.0+0x416/0x940
[  369.983483][   T43]  ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10
[  369.983641][   T43]  path_openat+0x1be/0x440
[  369.983781][   T43]  ? __pfx_path_openat+0x10/0x10
[  369.983900][   T43]  ? hlock_class+0x4e/0x130
[  369.984034][   T43]  ? mark_lock+0x38/0x3e0
[  369.984135][   T43]  do_filp_open+0x1b3/0x3e0
[  369.984273][   T43]  ? __pfx_do_filp_open+0x10/0x10
[  369.984430][   T43]  ? __lock_release+0x103/0x460
[  369.984552][   T43]  ? __create_object+0x5e/0xb0
[  369.984689][   T43]  ? __pfx___lock_release+0x10/0x10
[  369.984811][   T43]  ? hlock_class+0x4e/0x130
[  369.984957][   T43]  ? mark_held_locks+0x9e/0xe0
[  369.985081][   T43]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  369.985256][   T43]  do_open_execat+0xb0/0x280
[  369.985395][   T43]  ? __pfx_do_open_execat+0x10/0x10
[  369.985521][   T43]  ? getname_kernel+0x14c/0x2d0
[  369.985647][   T43]  ? __kmalloc_noprof+0x1d7/0x3d0
[  369.985772][   T43]  open_exec+0x2b/0x50
[  369.985867][   T43]  load_elf_binary+0x504/0x2880
[  369.985995][   T43]  ? find_held_lock+0x2c/0x110
[  369.986118][   T43]  ? __lock_release+0x103/0x460
[  369.986255][   T43]  ? search_binary_handler+0x134/0x550
[  369.986399][   T43]  ? __pfx___lock_release+0x10/0x10
[  369.986519][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  369.986661][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  369.986801][   T43]  ? __pfx_load_elf_binary+0x10/0x10
[  369.986926][   T43]  ? search_binary_handler+0x134/0x550
[  369.987070][   T43]  search_binary_handler+0x152/0x550
[  369.987193][   T43]  ? __pfx_search_binary_handler+0x10/0x10
[  369.987351][   T43]  ? __task_pid_nr_ns+0x11a/0x410
[  369.987473][   T43]  ? exec_binprm+0x100/0x3c0
[  369.987598][   T43]  exec_binprm+0x119/0x3c0
[  369.987728][   T43]  bprm_execve+0xe9/0x4f0
[  369.987821][   T43]  do_execveat_common.isra.0+0x3eb/0x530
[  369.987947][   T43]  __x64_sys_execve+0x8c/0xb0
[  369.988070][   T43]  do_syscall_64+0xc1/0x1d0
[  369.988192][   T43]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  369.988347][   T43] RIP: 0033:0x7fa4f34f740b
[  369.988472][   T43] RSP: 002b:00007ffd893fd6d8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[  369.988655][   T43] RAX: ffffffffffffffda RBX: 0000560ac3d5daf0 RCX: 00007fa4f34f740b
[  369.988835][   T43] RDX: 0000560ac3d62360 RSI: 0000560ac3d76bc0 RDI: 0000560ac3d8d8f0
[  369.989010][   T43] RBP: 00007ffd893fd800 R08: 0000000000000000 R09: 0000000000000000
[  369.989188][   T43] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd89401890
[  369.989372][   T43] R13: 00007fa4f2c3a9d8 R14: 00007ffd893fd720 R15: 0000000000000000
[  369.989566][   T43]  </TASK>
[  369.989659][   T43] INFO: task (spawn):423 blocked for more than 245 seconds.
[  369.989828][   T43]       Not tainted 6.10.0-virtme #1
[  369.989939][   T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  369.990129][   T43] task:(spawn)         state:D stack:26608 pid:423   tgid:423   ppid:1      flags:0x00004006
[  369.990382][   T43] Call Trace:
[  369.990476][   T43]  <TASK>
[  369.990547][   T43]  __schedule+0x6e0/0x17e0
[  369.990674][   T43]  ? __pfx___schedule+0x10/0x10
[  369.990795][   T43]  ? schedule+0x1a5/0x210
[  369.990890][   T43]  ? __pfx___lock_release+0x10/0x10
[  369.991008][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  369.991128][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  369.991321][   T43]  ? schedule+0x1a5/0x210
[  369.991418][   T43]  schedule+0xdf/0x210
[  369.991516][   T43]  d_alloc_parallel+0xaef/0xed0
[  369.991647][   T43]  ? __pfx_d_alloc_parallel+0x10/0x10
[  369.991824][   T43]  ? __pfx_default_wake_function+0x10/0x10
[  369.991973][   T43]  ? lockdep_init_map_type+0x2cb/0x7c0
[  369.992102][   T43]  __lookup_slow+0x17f/0x3c0
[  369.992234][   T43]  ? __pfx___lookup_slow+0x10/0x10
[  369.992416][   T43]  ? walk_component+0x29e/0x4f0
[  369.992552][   T43]  walk_component+0x2ab/0x4f0
[  369.992694][   T43]  link_path_walk.part.0.constprop.0+0x416/0x940
[  369.992846][   T43]  ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10
[  369.993134][   T43]  path_openat+0x1be/0x440
[  369.993291][   T43]  ? __pfx_path_openat+0x10/0x10
[  369.993412][   T43]  ? hlock_class+0x4e/0x130
[  369.993572][   T43]  ? mark_lock+0x38/0x3e0
[  369.993671][   T43]  do_filp_open+0x1b3/0x3e0
[  369.993858][   T43]  ? __pfx_do_filp_open+0x10/0x10
[  369.994001][   T43]  ? __lock_release+0x103/0x460
[  369.994124][   T43]  ? __create_object+0x5e/0xb0
[  369.994282][   T43]  ? __pfx___lock_release+0x10/0x10
[  369.994475][   T43]  ? hlock_class+0x4e/0x130
[  369.994611][   T43]  ? mark_held_locks+0x9e/0xe0
[  369.994733][   T43]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  369.994885][   T43]  do_open_execat+0xb0/0x280
[  369.995060][   T43]  ? __pfx_do_open_execat+0x10/0x10
[  369.995200][   T43]  ? getname_kernel+0x14c/0x2d0
[  369.995349][   T43]  ? __kmalloc_noprof+0x1d7/0x3d0
[  369.995472][   T43]  open_exec+0x2b/0x50
[  369.995619][   T43]  load_elf_binary+0x504/0x2880
[  369.995745][   T43]  ? find_held_lock+0x2c/0x110
[  369.995867][   T43]  ? __lock_release+0x103/0x460
[  369.995986][   T43]  ? search_binary_handler+0x134/0x550
[  369.996105][   T43]  ? __pfx___lock_release+0x10/0x10
[  369.996289][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  369.996414][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  369.996536][   T43]  ? __pfx_load_elf_binary+0x10/0x10
[  369.996670][   T43]  ? search_binary_handler+0x134/0x550
[  369.996863][   T43]  search_binary_handler+0x152/0x550
[  369.997001][   T43]  ? __pfx_search_binary_handler+0x10/0x10
[  369.997154][   T43]  ? __task_pid_nr_ns+0x11a/0x410
[  369.997296][   T43]  ? exec_binprm+0x100/0x3c0
[  369.997475][   T43]  exec_binprm+0x119/0x3c0
[  369.997628][   T43]  bprm_execve+0xe9/0x4f0
[  369.997730][   T43]  do_execveat_common.isra.0+0x3eb/0x530
[  369.997874][   T43]  __x64_sys_execve+0x8c/0xb0
[  369.998058][   T43]  do_syscall_64+0xc1/0x1d0
[  369.998212][   T43]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  369.998382][   T43] RIP: 0033:0x7fa4f34f740b
[  369.998530][   T43] RSP: 002b:00007ffd89405918 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[  369.998781][   T43] RAX: ffffffffffffffda RBX: 0000560ac3d94430 RCX: 00007fa4f34f740b
[  369.998962][   T43] RDX: 0000560ac3d5ff20 RSI: 0000560ac3d76cd0 RDI: 0000560ac3d5e240
[  369.999164][   T43] RBP: 00007ffd89405a40 R08: 0000000000000008 R09: 0000000000000000
[  369.999409][   T43] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560ac3d767d0
[  369.999584][   T43] R13: 00007fa4f2c3a9d8 R14: 00007ffd89405960 R15: 0000000000000000
[  369.999775][   T43]  </TASK>
[  369.999921][   T43] INFO: task (spawn):424 blocked for more than 245 seconds.
[  370.000087][   T43]       Not tainted 6.10.0-virtme #1
[  370.000198][   T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  370.000445][   T43] task:(spawn)         state:D stack:26464 pid:424   tgid:424   ppid:1      flags:0x00004006
[  370.000676][   T43] Call Trace:
[  370.000765][   T43]  <TASK>
[  370.000833][   T43]  __schedule+0x6e0/0x17e0
[  370.001017][   T43]  ? __pfx___schedule+0x10/0x10
[  370.001136][   T43]  ? schedule+0x1a5/0x210
[  370.001239][   T43]  ? __pfx___lock_release+0x10/0x10
[  370.001372][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  370.001513][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  370.001692][   T43]  ? schedule+0x1a5/0x210
[  370.001788][   T43]  schedule+0xdf/0x210
[  370.001885][   T43]  d_alloc_parallel+0xaef/0xed0
[  370.002017][   T43]  ? __pfx_d_alloc_parallel+0x10/0x10
[  370.002195][   T43]  ? __pfx_default_wake_function+0x10/0x10
[  370.002364][   T43]  ? lockdep_init_map_type+0x2cb/0x7c0
[  370.002497][   T43]  __lookup_slow+0x17f/0x3c0
[  370.002617][   T43]  ? __pfx___lookup_slow+0x10/0x10
[  370.002884][   T43]  ? walk_component+0x29e/0x4f0
[  370.003020][   T43]  walk_component+0x2ab/0x4f0
[  370.003161][   T43]  link_path_walk.part.0.constprop.0+0x416/0x940
[  370.003326][   T43]  ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10
[  370.003537][   T43]  path_openat+0x1be/0x440
[  370.003660][   T43]  ? __pfx_path_openat+0x10/0x10
[  370.003780][   T43]  ? hlock_class+0x4e/0x130
[  370.003899][   T43]  ? mark_lock+0x38/0x3e0
[  370.003997][   T43]  do_filp_open+0x1b3/0x3e0
[  370.004178][   T43]  ? __pfx_do_filp_open+0x10/0x10
[  370.004318][   T43]  ? __lock_release+0x103/0x460
[  370.004442][   T43]  ? __create_object+0x5e/0xb0
[  370.004562][   T43]  ? __pfx___lock_release+0x10/0x10
[  370.004737][   T43]  ? hlock_class+0x4e/0x130
[  370.004882][   T43]  ? mark_held_locks+0x9e/0xe0
[  370.005005][   T43]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[  370.005160][   T43]  do_open_execat+0xb0/0x280
[  370.005376][   T43]  ? __pfx_do_open_execat+0x10/0x10
[  370.005503][   T43]  ? getname_kernel+0x14c/0x2d0
[  370.005625][   T43]  ? __kmalloc_noprof+0x1d7/0x3d0
[  370.005747][   T43]  open_exec+0x2b/0x50
[  370.005896][   T43]  load_elf_binary+0x504/0x2880
[  370.006022][   T43]  ? find_held_lock+0x2c/0x110
[  370.006144][   T43]  ? __lock_release+0x103/0x460
[  370.006278][   T43]  ? search_binary_handler+0x134/0x550
[  370.006399][   T43]  ? __pfx___lock_release+0x10/0x10
[  370.006572][   T43]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  370.006698][   T43]  ? trace_lock_acquire+0x14d/0x1f0
[  370.006819][   T43]  ? __pfx_load_elf_binary+0x10/0x10
[  370.006943][   T43]  ? search_binary_handler+0x134/0x550
[  370.007121][   T43]  search_binary_handler+0x152/0x550
[  370.007252][   T43]  ? __pfx_search_binary_handler+0x10/0x10
[  370.007401][   T43]  ? __task_pid_nr_ns+0x11a/0x410
[  370.007522][   T43]  ? exec_binprm+0x100/0x3c0
[  370.007703][   T43]  exec_binprm+0x119/0x3c0
[  370.007830][   T43]  bprm_execve+0xe9/0x4f0
[  370.007923][   T43]  do_execveat_common.isra.0+0x3eb/0x530
[  370.008047][   T43]  __x64_sys_execve+0x8c/0xb0
[  370.008234][   T43]  do_syscall_64+0xc1/0x1d0
[  370.008359][   T43]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  370.008506][   T43] RIP: 0033:0x7fa4f34f740b
[  370.008628][   T43] RSP: 002b:00007ffd893fd6d8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[  370.008863][   T43] RAX: ffffffffffffffda RBX: 0000560ac3d2df30 RCX: 00007fa4f34f740b
[  370.009043][   T43] RDX: 0000560ac3d7ff10 RSI: 0000560ac3d8d940 RDI: 0000560ac3d33950
[  370.009216][   T43] RBP: 00007ffd893fd800 R08: 0000000000000000 R09: 0000000000000000
[  370.009461][   T43] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd89401890
[  370.009635][   T43] R13: 00007fa4f2c3a9d8 R14: 00007ffd893fd720 R15: 0000000000000000
[  370.009830][   T43]  </TASK>
[  370.009975][   T43] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
[  370.010169][   T43] 
[  370.010169][   T43] Showing all locks held in the system:
[  370.010359][   T43] 1 lock held by khungtaskd/43:
[  370.010531][   T43]  #0: ffffffff97b54b80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x70/0x3a0
[  370.010753][   T43] 1 lock held by ip/419:
[  370.010840][   T43]  #0: ffff888001470148 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: walk_component+0x29e/0x4f0
[  370.011146][   T43] 1 lock held by rename_device/421:
[  370.011269][   T43]  #0: ffff888001470148 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: walk_component+0x29e/0x4f0
[  370.011511][   T43] 2 locks held by (spawn)/422:
[  370.011678][   T43]  #0: ffff888005bc4238 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0x51/0x4f0
[  370.011888][   T43]  #1: ffff888001470148 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: walk_component+0x29e/0x4f0
[  370.012133][   T43] 2 locks held by (spawn)/423:
[  370.012365][   T43]  #0: ffff888005bc0578 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0x51/0x4f0
[  370.012579][   T43]  #1: ffff888001470148 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: walk_component+0x29e/0x4f0
[  370.012874][   T43] 2 locks held by (spawn)/424:
[  370.012988][   T43]  #0: ffff888005bc0c38 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0x51/0x4f0
[  370.013202][   T43]  #1: ffff888001470148 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: walk_component+0x29e/0x4f0
[  370.013512][   T43] 
[  370.013571][   T43] =============================================
[  370.013571][   T43] 

             reply	other threads:[~2024-07-17 17:24 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-17 17:24 Jakub Kicinski [this message]
2024-07-17 18:01 ` hangs after merge window changes Eric Van Hensbergen
2024-07-17 20:45   ` Dominique Martinet
2024-07-17 23:30     ` Jakub Kicinski
2024-07-18  1:14       ` Dominique Martinet
2024-07-18  3:54         ` Mateusz Guzik
2024-07-18  4:08           ` Mateusz Guzik
2024-07-18 10:42             ` Jan Kara
2024-07-18 10:57               ` Mateusz Guzik
2024-07-18 11:40                 ` Mateusz Guzik
2024-07-18 12:16                   ` Jan Kara
2024-07-18 12:29                     ` Mateusz Guzik
2024-07-17 21:42   ` Jakub Kicinski
2024-07-17 22:00     ` Eric Van Hensbergen

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