syzbot


kernel panic: stack is corrupted in inode_wait_for_writeback

Status: upstream: reported syz repro on 2024/09/15 10:56
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+7f4669fadc9ccd4f2438@syzkaller.appspotmail.com
First crash: 251d, last: 5d05h
Bug presence (1)
Date Name Commit Repro Result
2025/05/16 upstream (ToT) fee3e843b309 C [report] KASAN: out-of-bounds Write in end_buffer_read_sync
Last patch testing requests (8)
Created Duration User Patch Repo Result
2025/04/26 00:06 17m retest repro linux-5.15.y OK log
2025/04/03 18:07 2h29m retest repro linux-5.15.y OK log
2025/02/14 12:05 20m retest repro linux-5.15.y OK log
2025/02/14 12:05 23m retest repro linux-5.15.y report log
2025/01/20 03:50 15m retest repro linux-5.15.y OK log
2025/01/20 03:50 15m retest repro linux-5.15.y report log
2025/01/20 03:50 20m retest repro linux-5.15.y OK log
2024/11/28 17:46 21m retest repro linux-5.15.y report log
Fix bisection attempts (4)
Created Duration User Patch Repo Result
2025/04/16 06:06 25m fix candidate upstream error job log
2025/02/14 13:35 1h32m fix candidate upstream error job log
2024/12/08 01:28 18m fix candidate upstream error job log
2024/09/17 10:53 17m fix candidate upstream error job log

Sample crash report:
loop0: detected capacity change from 0 to 4096
ntfs3: loop0: Different NTFS' sector size (2048) and media sector size (512)
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: inode_wait_for_writeback+0x1f6/0x200 fs/fs-writeback.c:-1
CPU: 0 PID: 4355 Comm: syz.0.23 Not tainted 5.15.182-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 panic+0x2c9/0x7f0 kernel/panic.c:309
 __stack_chk_fail+0x10/0x10 kernel/panic.c:761
 inode_wait_for_writeback+0x1f6/0x200 fs/fs-writeback.c:-1
 evict+0x458/0x870 fs/inode.c:644
 ntfs_fill_super+0x355c/0x3c10 fs/ntfs3/super.c:1185
 get_tree_bdev+0x3f1/0x610 fs/super.c:1325
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x24a/0xa40 fs/namespace.c:3013
 do_mount fs/namespace.c:3356 [inline]
 __do_sys_mount fs/namespace.c:3564 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3541
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff5ee71910a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 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:00007ff5ed986e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ff5ed986ef0 RCX: 00007ff5ee71910a
RDX: 000020000001f340 RSI: 0000200000000040 RDI: 00007ff5ed986eb0
RBP: 000020000001f340 R08: 00007ff5ed986ef0 R09: 0000000000000890
R10: 0000000000000890 R11: 0000000000000246 R12: 0000200000000040
R13: 00007ff5ed986eb0 R14: 000000000001f331 R15: 0000200000000000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (16):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/11 02:07 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
2025/05/19 11:47 linux-5.15.y a68c15152131 b84f0537 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
2025/05/01 15:51 linux-5.15.y f7347f400572 51b137cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
2025/02/27 17:45 linux-5.15.y c16c81c81336 6a8fcbc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
2025/02/24 15:47 linux-5.15.y c16c81c81336 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
2025/01/31 07:15 linux-5.15.y 003148680b79 4c6ac32f .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
2025/01/31 01:10 linux-5.15.y 003148680b79 4c6ac32f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
2025/01/06 02:43 linux-5.15.y 91786f140358 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
2025/01/05 16:19 linux-5.15.y 91786f140358 f3558dbf .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
2025/01/04 13:13 linux-5.15.y 91786f140358 f3558dbf .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
2025/01/01 05:00 linux-5.15.y 91786f140358 d3ccff63 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
2024/12/28 05:39 linux-5.15.y 91786f140358 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
2024/11/14 16:44 linux-5.15.y d98fd109f827 a8c99394 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
2024/10/09 22:20 linux-5.15.y 3a5928702e71 56fb2cb7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
2024/09/28 06:42 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
2024/09/15 10:56 linux-5.15.y 3a5928702e71 08d8a733 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel panic: stack is corrupted in inode_wait_for_writeback
* Struck through repros no longer work on HEAD.