[parent not found: <20251029062744.Dt_0Z%dmantipov@yandex.ru>]
[parent not found: <20251029062155.3faRf%dmantipov@yandex.ru>]
* Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_commit_truncate
[not found] <20251029062155.3faRf%dmantipov@yandex.ru>
@ 2025-10-29 9:59 ` syzbot
0 siblings, 0 replies; 18+ messages in thread
From: syzbot @ 2025-10-29 9:59 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
UBSAN: signed-integer-overflow in ip_idents_reserve
================================================================================
UBSAN: signed-integer-overflow in ./arch/x86/include/asm/atomic.h:165:11
1823136308 + 1553543319 cannot be represented in type 'int'
CPU: 1 PID: 234 Comm: kworker/u4:4 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: phy9 ieee80211_iface_work
Call Trace:
<IRQ>
dump_stack+0xfd/0x16e lib/dump_stack.c:118
ubsan_epilogue+0xa/0x30 lib/ubsan.c:148
handle_overflow+0x192/0x1b0 lib/ubsan.c:180
arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
atomic_add_return include/asm-generic/atomic-instrumented.h:73 [inline]
ip_idents_reserve+0x14a/0x170 net/ipv4/route.c:521
__ip_select_ident+0xe4/0x1c0 net/ipv4/route.c:538
iptunnel_xmit+0x465/0x840 net/ipv4/ip_tunnel_core.c:80
udp_tunnel_xmit_skb+0x1b7/0x280 net/ipv4/udp_tunnel_core.c:190
geneve_xmit_skb drivers/net/geneve.c:1004 [inline]
geneve_xmit+0x1d00/0x2130 drivers/net/geneve.c:1117
__netdev_start_xmit include/linux/netdevice.h:4824 [inline]
netdev_start_xmit include/linux/netdevice.h:4838 [inline]
xmit_one net/core/dev.c:3601 [inline]
dev_hard_start_xmit+0x2aa/0x7f0 net/core/dev.c:3617
__dev_queue_xmit+0x1684/0x2960 net/core/dev.c:4203
neigh_output include/net/neighbour.h:509 [inline]
ip6_finish_output2+0x101a/0x1480 net/ipv6/ip6_output.c:130
rcu_read_lock include/linux/rcupdate.h:718 [inline]
nf_hook include/linux/netfilter.h:220 [inline]
NF_HOOK+0x45/0x2c0 include/linux/netfilter.h:294
mld_sendpack+0x5f1/0xa50 net/ipv6/mcast.c:1676
mld_send_cr net/ipv6/mcast.c:1972 [inline]
mld_ifc_timer_expire+0x7e1/0x990 net/ipv6/mcast.c:2471
call_timer_fn+0x105/0x490 kernel/time/timer.c:1444
expire_timers kernel/time/timer.c:1489 [inline]
__run_timers+0x5d5/0x7a0 kernel/time/timer.c:1783
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1796
__do_softirq+0x267/0x92e kernel/softirq.c:298
asm_call_irq_on_stack+0xf/0x20
</IRQ>
__run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
do_softirq_own_stack+0x9b/0xe0 arch/x86/kernel/irq_64.c:77
invoke_softirq kernel/softirq.c:393 [inline]
__irq_exit_rcu+0x227/0x230 kernel/softirq.c:423
irq_exit_rcu+0x5/0x20 kernel/softirq.c:435
sysvec_apic_timer_interrupt+0xea/0x100 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:console_unlock+0xbb0/0xfc0 kernel/printk/printk.c:2548
Code: 00 00 48 83 7c 24 28 00 48 8b 5c 24 30 75 07 e8 76 5d 18 00 eb 0a e8 6f 5d 18 00 e8 ba 5b 1e 00 48 89 5c 24 58 ff 74 24 58 9d <f6> 44 24 07 01 0f 84 08 f6 ff ff e8 50 5d 18 00 48 c7 c7 40 1c 4a
RSP: 0018:ffffc9000197f9b0 EFLAGS: 00000293
RAX: fa4294196ff25300 RBX: 0000000000000293 RCX: ffff888019648000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff81594776
RBP: ffffc9000197fb00 R08: dffffc0000000000 R09: fffffbfff191fb2e
R10: fffffbfff191fb2e R11: 1ffffffff191fb2d R12: 0000000000000057
R13: ffffc9000197fa20 R14: 1ffffffff179392d R15: dffffc0000000000
vprintk_emit+0x160/0x240 kernel/printk/printk.c:2060
printk+0x76/0xa0 kernel/printk/printk.c:2108
ieee80211_sta_find_ibss net/mac80211/ibss.c:1486 [inline]
ieee80211_ibss_work+0x1054/0x1180 net/mac80211/ibss.c:1712
process_one_work+0x85b/0xfe0 kernel/workqueue.c:2282
worker_thread+0xa9b/0x1430 kernel/workqueue.c:2428
kthread+0x384/0x410 kernel/kthread.c:328
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
================================================================================
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 48 83 7c 24 28 00 cmpq $0x0,0x28(%rsp)
8: 48 8b 5c 24 30 mov 0x30(%rsp),%rbx
d: 75 07 jne 0x16
f: e8 76 5d 18 00 call 0x185d8a
14: eb 0a jmp 0x20
16: e8 6f 5d 18 00 call 0x185d8a
1b: e8 ba 5b 1e 00 call 0x1e5bda
20: 48 89 5c 24 58 mov %rbx,0x58(%rsp)
25: ff 74 24 58 push 0x58(%rsp)
29: 9d popf
* 2a: f6 44 24 07 01 testb $0x1,0x7(%rsp) <-- trapping instruction
2f: 0f 84 08 f6 ff ff je 0xfffff63d
35: e8 50 5d 18 00 call 0x185d8a
3a: 48 rex.W
3b: c7 .byte 0xc7
3c: c7 .byte 0xc7
3d: 40 1c 4a rex sbb $0x4a,%al
Tested on:
commit: d3d0b4e2 Linux 5.10.245
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-5.10.y
console output: https://syzkaller.appspot.com/x/log.txt?x=126abd42580000
kernel config: https://syzkaller.appspot.com/x/.config?x=e1734393bfd41d2b
dashboard link: https://syzkaller.appspot.com/bug?extid=c16daba279a1161acfb0
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=142bf614580000
^ permalink raw reply [flat|nested] 18+ messages in thread
[parent not found: <20251028182302.s5LSI%dmantipov@yandex.ru>]
[parent not found: <20251028182112.Uxb09%dmantipov@yandex.ru>]
[parent not found: <20251028181942.Oxouk%dmantipov@yandex.ru>]
[parent not found: <20251028104201.d8y_T%dmantipov@yandex.ru>]
[parent not found: <20251028104122.AvpFW%dmantipov@yandex.ru>]
[parent not found: <20251028104008.88VPQ%dmantipov@yandex.ru>]
[parent not found: <20251024071535.FSE50%dmantipov@yandex.ru>]
[parent not found: <20251024071523.DLZkR%dmantipov@yandex.ru>]
[parent not found: <20251024071156.J2MZa%dmantipov@yandex.ru>]
* Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_commit_truncate
[not found] <20251024071156.J2MZa%dmantipov@yandex.ru>
@ 2025-10-24 10:24 ` syzbot
0 siblings, 0 replies; 18+ messages in thread
From: syzbot @ 2025-10-24 10:24 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
UBSAN: signed-integer-overflow in ip_idents_reserve
================================================================================
UBSAN: signed-integer-overflow in ./arch/x86/include/asm/atomic.h:165:11
-498696627 + -2117033276 cannot be represented in type 'int'
CPU: 1 PID: 33 Comm: kworker/u4:2 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker
Call Trace:
<IRQ>
dump_stack+0xfd/0x16e lib/dump_stack.c:118
ubsan_epilogue+0xa/0x30 lib/ubsan.c:148
handle_overflow+0x192/0x1b0 lib/ubsan.c:180
arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
atomic_add_return include/asm-generic/atomic-instrumented.h:73 [inline]
ip_idents_reserve+0x14a/0x170 net/ipv4/route.c:521
__ip_select_ident+0xe4/0x1c0 net/ipv4/route.c:538
ip_select_ident_segs include/net/ip.h:525 [inline]
ip_select_ident include/net/ip.h:532 [inline]
__ip_make_skb+0xf78/0x19b0 net/ipv4/ip_output.c:1551
ip_finish_skb include/net/ip.h:244 [inline]
ip_push_pending_frames+0x2c/0x150 net/ipv4/ip_output.c:1606
__icmp_send+0xc22/0xf70 net/ipv4/icmp.c:776
icmp_send include/net/icmp.h:43 [inline]
__udp4_lib_rcv+0x14e9/0x2070 net/ipv4/udp.c:2438
ip_protocol_deliver_rcu+0x405/0x7e0 net/ipv4/ip_input.c:204
ip_local_deliver_finish+0x1d5/0x330 net/ipv4/ip_input.c:231
NF_HOOK+0x25a/0x2c0 include/linux/netfilter.h:296
NF_HOOK+0x25a/0x2c0 include/linux/netfilter.h:296
__netif_receive_skb_one_core net/core/dev.c:5395 [inline]
__netif_receive_skb+0x144/0x380 net/core/dev.c:5509
process_backlog+0x4ef/0x6e0 net/core/dev.c:6416
napi_poll net/core/dev.c:6867 [inline]
net_rx_action+0x4b1/0xc30 net/core/dev.c:6937
__do_softirq+0x267/0x92e kernel/softirq.c:298
asm_call_irq_on_stack+0xf/0x20
</IRQ>
__run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
do_softirq_own_stack+0x9b/0xe0 arch/x86/kernel/irq_64.c:77
do_softirq+0xc4/0x100 kernel/softirq.c:343
__local_bh_enable_ip+0x121/0x160 kernel/softirq.c:195
wg_socket_send_skb_to_peer+0x167/0x1c0 drivers/net/wireguard/socket.c:184
wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:40 [inline]
wg_packet_handshake_send_worker+0x16b/0x280 drivers/net/wireguard/send.c:51
process_one_work+0x85b/0xfe0 kernel/workqueue.c:2282
worker_thread+0xa9b/0x1430 kernel/workqueue.c:2428
kthread+0x384/0x410 kernel/kthread.c:328
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
================================================================================
Tested on:
commit: d3d0b4e2 Linux 5.10.245
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-5.10.y
console output: https://syzkaller.appspot.com/x/log.txt?x=10f19be2580000
kernel config: https://syzkaller.appspot.com/x/.config?x=e1734393bfd41d2b
dashboard link: https://syzkaller.appspot.com/bug?extid=c16daba279a1161acfb0
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=151d0be2580000
^ permalink raw reply [flat|nested] 18+ messages in thread
[parent not found: <20251023133603.ZNEGS%dmantipov@yandex.ru>]
[parent not found: <20251023113536.hzwsv%dmantipov@yandex.ru>]
[parent not found: <20251022150507.AgqUs%dmantipov@yandex.ru>]
* Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_commit_truncate
[not found] <20251022150507.AgqUs%dmantipov@yandex.ru>
@ 2025-10-22 19:51 ` syzbot
0 siblings, 0 replies; 18+ messages in thread
From: syzbot @ 2025-10-22 19:51 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
kernel BUG in ocfs2_commit_truncate
------------[ cut here ]------------
kernel BUG at fs/ocfs2/alloc.c:686!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6423 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:ocfs2_new_path fs/ocfs2/alloc.c:686 [inline]
RIP: 0010:ocfs2_commit_truncate+0x223f/0x2250 fs/ocfs2/alloc.c:7254
Code: 10 e8 35 f5 8b fe e9 3a fc ff ff e8 fb fc 26 fe 44 89 fe 48 c7 c7 00 ab 24 8e e8 7c 61 1f 01 e9 45 fc ff ff e8 e2 fc 26 fe 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
RSP: 0018:ffffc90003e2f1a0 EFLAGS: 00010293
RAX: ffffffff8397c64e RBX: ffff8880769bce80 RCX: ffff88802e9a9e40
RDX: 0000000000000000 RSI: 0000000000000138 RDI: 0000000000000004
RBP: ffffc90003e2f4d0 R08: ffffc90003e2f38f R09: 0000000000000000
R10: ffffc90003e2f380 R11: fffff520007c5e72 R12: dffffc0000000000
R13: 1ffff920007c5e54 R14: 0000000000000138 R15: 1ffff1100cc73e58
FS: 0000555560f90500(0000) GS:ffff888126504000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555560fbb648 CR3: 0000000076f74000 CR4: 00000000003526f0
Call Trace:
<TASK>
ocfs2_truncate_for_delete fs/ocfs2/inode.c:699 [inline]
ocfs2_wipe_inode fs/ocfs2/inode.c:866 [inline]
ocfs2_delete_inode fs/ocfs2/inode.c:1155 [inline]
ocfs2_evict_inode+0x1138/0x4100 fs/ocfs2/inode.c:1295
evict+0x504/0x9c0 fs/inode.c:810
d_delete_notify include/linux/fsnotify.h:377 [inline]
vfs_rmdir+0x3ec/0x520 fs/namei.c:4561
do_rmdir+0x25f/0x550 fs/namei.c:4603
__do_sys_unlinkat fs/namei.c:4777 [inline]
__se_sys_unlinkat fs/namei.c:4771 [inline]
__x64_sys_unlinkat+0xc2/0xf0 fs/namei.c:4771
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcf61f852f7
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed1eb5598 EFLAGS: 00000207 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007fcf61f852f7
RDX: 0000000000000200 RSI: 00007ffed1eb6740 RDI: 00000000ffffff9c
RBP: 00007fcf6200180c R08: 0000555560fb366b R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffed1eb6740
R13: 00007fcf6200180c R14: 00007ffed1eb88f0 R15: 0000000000000001
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_new_path fs/ocfs2/alloc.c:686 [inline]
RIP: 0010:ocfs2_commit_truncate+0x223f/0x2250 fs/ocfs2/alloc.c:7254
Code: 10 e8 35 f5 8b fe e9 3a fc ff ff e8 fb fc 26 fe 44 89 fe 48 c7 c7 00 ab 24 8e e8 7c 61 1f 01 e9 45 fc ff ff e8 e2 fc 26 fe 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
RSP: 0018:ffffc90003e2f1a0 EFLAGS: 00010293
RAX: ffffffff8397c64e RBX: ffff8880769bce80 RCX: ffff88802e9a9e40
RDX: 0000000000000000 RSI: 0000000000000138 RDI: 0000000000000004
RBP: ffffc90003e2f4d0 R08: ffffc90003e2f38f R09: 0000000000000000
R10: ffffc90003e2f380 R11: fffff520007c5e72 R12: dffffc0000000000
R13: 1ffff920007c5e54 R14: 0000000000000138 R15: 1ffff1100cc73e58
FS: 0000555560f90500(0000) GS:ffff888126404000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0070ed000 CR3: 0000000076f74000 CR4: 00000000003526f0
Tested on:
commit: 552c5071 Merge tag 'vfio-v6.18-rc3' of https://github...
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=146b2d42580000
kernel config: https://syzkaller.appspot.com/x/.config?x=a1215729170d20fc
dashboard link: https://syzkaller.appspot.com/bug?extid=c16daba279a1161acfb0
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=126afc58580000
^ permalink raw reply [flat|nested] 18+ messages in thread
[parent not found: <20241216164356.v_RSK%dmantipov@yandex.ru>]
[parent not found: <20241216105219.nV527%dmantipov@yandex.ru>]
* [syzbot] [ocfs2?] kernel BUG in ocfs2_commit_truncate
@ 2024-12-15 4:45 syzbot
0 siblings, 0 replies; 18+ messages in thread
From: syzbot @ 2024-12-15 4:45 UTC (permalink / raw)
To: jlbec, joseph.qi, linux-kernel, mark, ocfs2-devel, syzkaller-bugs
Hello,
syzbot found the following issue on:
HEAD commit: af2ea8ab7a54 Add linux-next specific files for 20241205
git tree: linux-next
console+strace: https://syzkaller.appspot.com/x/log.txt?x=131738f8580000
kernel config: https://syzkaller.appspot.com/x/.config?x=76f158395f6f15fd
dashboard link: https://syzkaller.appspot.com/bug?extid=c16daba279a1161acfb0
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1100ccdf980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12d13544580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/8af0861258fa/disk-af2ea8ab.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ffb38cf7a344/vmlinux-af2ea8ab.xz
kernel image: https://storage.googleapis.com/syzbot-assets/6fbd2e50358a/bzImage-af2ea8ab.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/cd426657b15b/mount_0.gz
Bisection is inconclusive: the issue happens on the oldest tested release.
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13b178f8580000
final oops: https://syzkaller.appspot.com/x/report.txt?x=107178f8580000
console output: https://syzkaller.appspot.com/x/log.txt?x=17b178f8580000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c16daba279a1161acfb0@syzkaller.appspotmail.com
------------[ cut here ]------------
kernel BUG at fs/ocfs2/alloc.c:686!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 5831 Comm: syz-executor319 Not tainted 6.13.0-rc1-next-20241205-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ocfs2_new_path fs/ocfs2/alloc.c:686 [inline]
RIP: 0010:ocfs2_commit_truncate+0x2547/0x2550 fs/ocfs2/alloc.c:7234
Code: 24 08 e8 ec 4c 7c fe e9 bb fb ff ff e8 a2 f3 15 fe 89 de 48 c7 c7 20 d2 e1 8e e8 74 7e 74 01 e9 c6 fb ff ff e8 8a f3 15 fe 90 <0f> 0b e8 b2 7d 42 08 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003be71a0 EFLAGS: 00010293
RAX: ffffffff83896896 RBX: 0000000000000138 RCX: ffff88807f9c8000
RDX: 0000000000000000 RSI: 0000000000000138 RDI: 0000000000000004
RBP: ffffc90003be74d0 R08: ffffffff83894758 R09: 0000000000000000
R10: ffffc90003be7380 R11: fffff5200077ce72 R12: dffffc0000000000
R13: 1ffff9200077ce54 R14: ffff888072c9e658 R15: 000000000000000d
FS: 0000555569c22380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555569c33738 CR3: 0000000075f4a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ocfs2_truncate_for_delete fs/ocfs2/inode.c:623 [inline]
ocfs2_wipe_inode fs/ocfs2/inode.c:790 [inline]
ocfs2_delete_inode fs/ocfs2/inode.c:1079 [inline]
ocfs2_evict_inode+0x1c46/0x4630 fs/ocfs2/inode.c:1216
evict+0x4e8/0x9a0 fs/inode.c:796
d_delete_notify include/linux/fsnotify.h:332 [inline]
vfs_rmdir+0x3d7/0x510 fs/namei.c:4407
do_rmdir+0x3b5/0x580 fs/namei.c:4453
__do_sys_rmdir fs/namei.c:4472 [inline]
__se_sys_rmdir fs/namei.c:4470 [inline]
__x64_sys_rmdir+0x47/0x50 fs/namei.c:4470
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb3f9c8cd47
Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 54 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcf36a1788 EFLAGS: 00000207 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3f9c8cd47
RDX: 0000000000008890 RSI: 0000000000000000 RDI: 00007ffcf36a2930
RBP: 0000000000000065 R08: 0000555569c3379b R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffcf36a2930
R13: 0000555569c33740 R14: 431bde82d7b634db R15: 00007ffcf36a4ab0
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_new_path fs/ocfs2/alloc.c:686 [inline]
RIP: 0010:ocfs2_commit_truncate+0x2547/0x2550 fs/ocfs2/alloc.c:7234
Code: 24 08 e8 ec 4c 7c fe e9 bb fb ff ff e8 a2 f3 15 fe 89 de 48 c7 c7 20 d2 e1 8e e8 74 7e 74 01 e9 c6 fb ff ff e8 8a f3 15 fe 90 <0f> 0b e8 b2 7d 42 08 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003be71a0 EFLAGS: 00010293
RAX: ffffffff83896896 RBX: 0000000000000138 RCX: ffff88807f9c8000
RDX: 0000000000000000 RSI: 0000000000000138 RDI: 0000000000000004
RBP: ffffc90003be74d0 R08: ffffffff83894758 R09: 0000000000000000
R10: ffffc90003be7380 R11: fffff5200077ce72 R12: dffffc0000000000
R13: 1ffff9200077ce54 R14: ffff888072c9e658 R15: 000000000000000d
FS: 0000555569c22380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555569c33738 CR3: 0000000075f4a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
This report is generated by a bot. It may contain errors.
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2025-10-29 15:13 ` [syzbot] [ocfs2?] kernel BUG in ocfs2_commit_truncate syzbot
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