syzbot

 sign-in | mailing list | source | docs
🐞 Open [723]
🐞 Fixed [119]
🐞 Invalid [753]
⬇ Missing Backports [75]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

WARNING in minix_unlink

Status: upstream: reported C repro on 2024/12/06 04:33
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+56df5be3577930a6838a@syzkaller.appspotmail.com
First crash: 166d, last: 3d05h
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2024/12/29 upstream (ToT) 059dd502b263 C [report] WARNING in minix_unlink
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in minix_unlink origin:upstream C 69 13d 247d 0/3 upstream: reported C repro on 2024/09/15 23:46
upstream WARNING in minix_unlink fs C inconclusive 292 1d20h 179d 0/28 upstream: reported C repro on 2024/11/22 18:44

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4298 at fs/inode.c:332 drop_nlink+0xe4/0x138 fs/inode.c:332
Modules linked in:
CPU: 0 PID: 4298 Comm: syz-executor171 Not tainted 6.1.134-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : drop_nlink+0xe4/0x138 fs/inode.c:332
lr : drop_nlink+0xe4/0x138 fs/inode.c:332
sp : ffff800021987a60
x29: ffff800021987a60 x28: dfff800000000000 x27: 1fffe0001b9c689a
x26: 0000000000000000 x25: 1ffff00004330f58 x24: 1ffff00004330f54
x23: 1fffe0001c3dee0b x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000e1ef7058 x19: ffff0000e1ef7010 x18: 0000000000000010
x17: 0000000000000000 x16: ffff8000122784c0 x15: 0000000000000000
x14: 1ffff00002b600b2 x13: 0000000000000000 x12: 000000000000003b
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008aace74
x8 : ffff0000d97e9bc0 x7 : 0000000000000000 x6 : 000000000000003b
x5 : ffff0000e1ef7098 x4 : ffff0000e1fa3b38 x3 : ffff800008ff7544
x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 drop_nlink+0xe4/0x138 fs/inode.c:332
 inode_dec_link_count include/linux/fs.h:2582 [inline]
 minix_unlink+0x128/0x180 fs/minix/namei.c:167
 vfs_unlink+0x2f0/0x508 fs/namei.c:4322
 do_unlinkat+0x4cc/0x70c fs/namei.c:4390
 __do_sys_unlinkat fs/namei.c:4433 [inline]
 __se_sys_unlinkat fs/namei.c:4426 [inline]
 __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4426
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 1404840
hardirqs last  enabled at (1404839): [<ffff8000084041d8>] seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline]
hardirqs last  enabled at (1404839): [<ffff8000084041d8>] ktime_get_coarse_real_ts64+0x114/0x244 kernel/time/timekeeping.c:2261
hardirqs last disabled at (1404840): [<ffff80001232684c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (1403762): [<ffff800008030168>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1403760): [<ffff800008030134>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4298 at fs/inode.c:332 drop_nlink+0xe4/0x138 fs/inode.c:332
Modules linked in:
CPU: 0 PID: 4298 Comm: syz-executor171 Tainted: G        W          6.1.134-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : drop_nlink+0xe4/0x138 fs/inode.c:332
lr : drop_nlink+0xe4/0x138 fs/inode.c:332
sp : ffff800021987a60
x29: ffff800021987a60 x28: dfff800000000000 x27: 1fffe0001988f4f8
x26: 0000000000000000 x25: 1ffff00004330f58 x24: 1ffff00004330f54
x23: 1fffe0001c3ef0bb x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000e1f785d8 x19: ffff0000e1f78590 x18: 0000000000000010
x17: 0000000000000000 x16: ffff8000122784c0 x15: 0000000000000000
x14: 1ffff00002b600b2 x13: 0000000000000000 x12: 000000000000003e
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008aace74
x8 : ffff0000d97e9bc0 x7 : 0000000000000000 x6 : 000000000000003e
x5 : ffff0000e1f78618 x4 : ffff0000e1fe75e8 x3 : ffff800008ff7544
x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 drop_nlink+0xe4/0x138 fs/inode.c:332
 inode_dec_link_count include/linux/fs.h:2582 [inline]
 minix_unlink+0x128/0x180 fs/minix/namei.c:167
 vfs_unlink+0x2f0/0x508 fs/namei.c:4322
 do_unlinkat+0x4cc/0x70c fs/namei.c:4390
 __do_sys_unlinkat fs/namei.c:4433 [inline]
 __se_sys_unlinkat fs/namei.c:4426 [inline]
 __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4426
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 1673776
hardirqs last  enabled at (1673775): [<ffff8000084041d8>] seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline]
hardirqs last  enabled at (1673775): [<ffff8000084041d8>] ktime_get_coarse_real_ts64+0x114/0x244 kernel/time/timekeeping.c:2261
hardirqs last disabled at (1673776): [<ffff80001232684c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (1672736): [<ffff800008030168>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1672734): [<ffff800008030134>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4298 at fs/inode.c:332 drop_nlink+0xe4/0x138 fs/inode.c:332
Modules linked in:
CPU: 1 PID: 4298 Comm: syz-executor171 Tainted: G        W          6.1.134-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : drop_nlink+0xe4/0x138 fs/inode.c:332
lr : drop_nlink+0xe4/0x138 fs/inode.c:332
sp : ffff800021987a60
x29: ffff800021987a60 x28: dfff800000000000 x27: 1fffe0001be9978a
x26: 0000000000000000 x25: 1ffff00004330f58 x24: 1ffff00004330f54
x23: 1fffe0001c3f0363 x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000e1f81b18 x19: ffff0000e1f81ad0 x18: 0000000000000010
x17: 0000000000000000 x16: ffff8000122784c0 x15: 0000000000000000
x14: 1ffff00002b600b2 x13: 0000000000000000 x12: 000000000000003f
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008aace74
x8 : ffff0000d97e9bc0 x7 : 0000000000000000 x6 : 000000000000003f
x5 : ffff0000e1f81b58 x4 : ffff0000e1f810b8 x3 : ffff800008ff7544
x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 drop_nlink+0xe4/0x138 fs/inode.c:332
 inode_dec_link_count include/linux/fs.h:2582 [inline]
 minix_unlink+0x128/0x180 fs/minix/namei.c:167
 vfs_unlink+0x2f0/0x508 fs/namei.c:4322
 do_unlinkat+0x4cc/0x70c fs/namei.c:4390
 __do_sys_unlinkat fs/namei.c:4433 [inline]
 __se_sys_unlinkat fs/namei.c:4426 [inline]
 __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4426
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 1790934
hardirqs last  enabled at (1790933): [<ffff8000084041d8>] seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline]
hardirqs last  enabled at (1790933): [<ffff8000084041d8>] ktime_get_coarse_real_ts64+0x114/0x244 kernel/time/timekeeping.c:2261
hardirqs last disabled at (1790934): [<ffff80001232684c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (1790640): [<ffff800008030168>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1790638): [<ffff800008030134>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---

Crashes (49):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/04/11 14:58 linux-6.1.y 420102835862 94486846 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2024/12/21 21:38 linux-6.1.y 29f02ec58a94 d7f584ee .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2025/01/04 22:12 linux-6.1.y 7dc732d24ff7 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:54 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:54 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:52 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:52 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:50 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:49 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:49 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:47 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:46 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:46 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:45 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:44 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:44 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:42 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:41 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:41 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:39 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:39 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:38 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:37 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:36 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:36 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:34 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:33 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:33 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:31 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:30 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2024/12/25 21:30 linux-6.1.y 29f02ec58a94 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in minix_unlink
2025/05/18 04:11 linux-6.1.y 02b72ccb5f9d f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2025/05/13 06:07 linux-6.1.y 02b72ccb5f9d f6671af7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2025/04/11 14:01 linux-6.1.y 420102835862 94486846 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2025/03/15 16:49 linux-6.1.y 344a09659766 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2025/03/06 19:11 linux-6.1.y 3a8358583626 831e3629 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2025/02/10 03:33 linux-6.1.y 0cbb5f65e52f ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2025/02/10 03:33 linux-6.1.y 0cbb5f65e52f ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2025/02/10 03:31 linux-6.1.y 0cbb5f65e52f ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2025/02/10 03:31 linux-6.1.y 0cbb5f65e52f ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2025/02/10 03:31 linux-6.1.y 0cbb5f65e52f ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2025/02/10 03:31 linux-6.1.y 0cbb5f65e52f ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2025/01/23 07:41 linux-6.1.y f4f677285b38 a44b0418 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2025/01/08 07:43 linux-6.1.y 7dc732d24ff7 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2024/12/30 23:54 linux-6.1.y 563edd786f0a d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2024/12/21 19:39 linux-6.1.y 29f02ec58a94 d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
2024/12/06 04:32 linux-6.1.y e4d90d63d385 29f61fce .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in minix_unlink
* Struck through repros no longer work on HEAD.