From: syzbot <syzbot+6f691675b0810bf591ec@syzkaller.appspotmail.com>
To: akpm@linux-foundation.org, asmadeus@codewreck.org,
ericvh@kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, lucho@ionkov.net,
syzkaller-bugs@googlegroups.com, v9fs@lists.linux.dev
Subject: [syzbot] [v9fs?] BUG: stack guard page was hit in io_wq_worker
Date: Sat, 11 Jan 2025 13:58:18 -0800 [thread overview]
Message-ID: <6782e97a.050a0220.d0267.004b.GAE@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: fbfd64d25c7a Merge tag 'vfs-6.13-rc7.fixes' of git://git.k..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=101a0ef8580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7bdfbaac3fbb90d6
dashboard link: https://syzkaller.appspot.com/bug?extid=6f691675b0810bf591ec
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12e33edf980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11520dc4580000
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-fbfd64d2.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/106ee8380ff0/vmlinux-fbfd64d2.xz
kernel image: https://storage.googleapis.com/syzbot-assets/09437c87aa26/bzImage-fbfd64d2.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+6f691675b0810bf591ec@syzkaller.appspotmail.com
BUG: TASK stack guard page was hit at ffffc900034d7ff8 (stack is ffffc900034d8000..ffffc900034e0000)
Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 2 UID: 0 PID: 5942 Comm: iou-wrk-5940 Not tainted 6.13.0-rc6-syzkaller-00036-gfbfd64d25c7a #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:kasan_check_range+0x19/0x1a0 mm/kasan/generic.c:188
Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 50 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 <55> 53 0f 82 c6 00 00 00 48 b8 ff ff ff ff ff 7f ff ff 48 39 f8 0f
RSP: 0018:ffffc900034d8000 EFLAGS: 00010082
RAX: ffffffff96e51cc8 RBX: 0000000000000021 RCX: ffffffff8175d18e
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff96e51cc0
RBP: ffffc900034d8158 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff96e51daf R11: 000000000009dbe3 R12: ffff888025064880
R13: 0000000000000200 R14: 0000000000000009 R15: 1ffff9200069b00a
FS: 000055556e7a2380(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900034d7ff8 CR3: 00000000208ec000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<#DF>
</#DF>
<TASK>
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
hlock_class+0x4e/0x130 kernel/locking/lockdep.c:228
mark_lock+0xb5/0xc60 kernel/locking/lockdep.c:4727
mark_usage kernel/locking/lockdep.c:4670 [inline]
__lock_acquire+0x9f1/0x3c40 kernel/locking/lockdep.c:5180
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849
rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
page_ext_get+0x3a/0x310 mm/page_ext.c:525
__set_page_owner+0x96/0x560 mm/page_owner.c:322
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3476
__alloc_pages_noprof+0x223/0x25b0 mm/page_alloc.c:4753
alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2269
alloc_slab_page mm/slub.c:2423 [inline]
allocate_slab mm/slub.c:2589 [inline]
new_slab+0x2c9/0x410 mm/slub.c:2642
___slab_alloc+0xd7d/0x17a0 mm/slub.c:3830
__slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3920
__slab_alloc_node mm/slub.c:3995 [inline]
slab_alloc_node mm/slub.c:4156 [inline]
__do_kmalloc_node mm/slub.c:4297 [inline]
__kmalloc_noprof+0x2ec/0x510 mm/slub.c:4310
kmalloc_noprof include/linux/slab.h:905 [inline]
p9_fcall_init+0x97/0x260 net/9p/client.c:233
p9_tag_alloc+0x21c/0x870 net/9p/client.c:300
p9_client_prepare_req+0x19f/0x4d0 net/9p/client.c:644
p9_client_rpc+0x1c3/0xc10 net/9p/client.c:691
p9_client_flush.isra.0+0x1ff/0x420 net/9p/client.c:609
p9_client_zc_rpc.constprop.0+0x7d2/0x880 net/9p/client.c:826
p9_client_read_once+0x443/0x820 net/9p/client.c:1570
p9_client_read+0x13f/0x1b0 net/9p/client.c:1534
v9fs_issue_read+0x115/0x340 fs/9p/vfs_addr.c:76
netfs_retry_read_subrequests fs/netfs/read_retry.c:62 [inline]
netfs_retry_reads+0x1508/0x1d40 fs/netfs/read_retry.c:234
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_retry_reads+0x159a/0x1d40 fs/netfs/read_retry.c:237
netfs_rreq_assess+0x5d3/0x870 fs/netfs/read_collect.c:374
netfs_rreq_terminated+0xe5/0x110 fs/netfs/read_collect.c:409
netfs_dispatch_unbuffered_reads fs/netfs/direct_read.c:103 [inline]
netfs_unbuffered_read fs/netfs/direct_read.c:127 [inline]
netfs_unbuffered_read_iter_locked+0x12e1/0x19a0 fs/netfs/direct_read.c:221
netfs_unbuffered_read_iter+0xc5/0x100 fs/netfs/direct_read.c:256
v9fs_file_read_iter+0xbf/0x100 fs/9p/vfs_file.c:361
io_iter_do_read io_uring/rw.c:770 [inline]
__io_read+0x320/0x1190 io_uring/rw.c:869
io_read+0x1e/0x70 io_uring/rw.c:947
io_issue_sqe+0x175/0x1200 io_uring/io_uring.c:1740
io_wq_submit_work+0x3fc/0xec0 io_uring/io_uring.c:1849
io_worker_handle_work+0x4e5/0x1680 io_uring/io-wq.c:601
io_wq_worker+0x33f/0xdf0 io_uring/io-wq.c:655
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:kasan_check_range+0x19/0x1a0 mm/kasan/generic.c:188
Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 50 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 <55> 53 0f 82 c6 00 00 00 48 b8 ff ff ff ff ff 7f ff ff 48 39 f8 0f
RSP: 0018:ffffc900034d8000 EFLAGS: 00010082
RAX: ffffffff96e51cc8 RBX: 0000000000000021 RCX: ffffffff8175d18e
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff96e51cc0
RBP: ffffc900034d8158 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff96e51daf R11: 000000000009dbe3 R12: ffff888025064880
R13: 0000000000000200 R14: 0000000000000009 R15: 1ffff9200069b00a
FS: 000055556e7a2380(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900034d7ff8 CR3: 00000000208ec000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 00 90 90 90 90 90 add %dl,-0x6f6f6f70(%rax)
6: 90 nop
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 66 0f 1f 00 nopw (%rax)
15: 48 85 f6 test %rsi,%rsi
18: 0f 84 50 01 00 00 je 0x16e
1e: 48 89 f8 mov %rdi,%rax
21: 41 54 push %r12
23: 44 0f b6 c2 movzbl %dl,%r8d
27: 48 01 f0 add %rsi,%rax
* 2a: 55 push %rbp <-- trapping instruction
2b: 53 push %rbx
2c: 0f 82 c6 00 00 00 jb 0xf8
32: 48 b8 ff ff ff ff ff movabs $0xffff7fffffffffff,%rax
39: 7f ff ff
3c: 48 39 f8 cmp %rdi,%rax
3f: 0f .byte 0xf
---
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next reply other threads:[~2025-01-11 21:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-11 21:58 syzbot [this message]
2025-04-04 22:29 ` [syzbot] [v9fs?] BUG: stack guard page was hit in io_wq_worker Jens Axboe
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