syzbot


WARNING in xfs_qm_dqget_cache_insert

Status: upstream: reported C repro on 2023/03/30 04:40
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+55fb1b7d909494fd520d@syzkaller.appspotmail.com
First crash: 418d, last: 23d
Bug presence (2)
Date Name Commit Repro Result
2023/05/17 linux-6.1.y (ToT) bf4ad6fa4e53 C [report] WARNING in xfs_qm_dqget_cache_insert
2023/05/17 upstream (ToT) f1fcbaa18b28 C Didn't crash
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in xfs_qm_dqget_cache_insert origin:lts-only C done 3 174d 366d 0/3 upstream: reported C repro on 2023/05/21 18:14
upstream WARNING in xfs_qm_dqget_cache_insert xfs C error 123 374d 546d 22/26 fixed on 2023/06/08 14:41
linux-4.19 WARNING in xfs_qm_dqget_cache_insert xfs C error 4 472d 513d 0/1 upstream: reported C repro on 2022/12/25 21:48
Fix bisection attempts (4)
Created Duration User Patch Repo Result
2024/04/28 20:00 2h19m bisect fix linux-6.1.y job log (0) log
2024/03/28 09:01 1h40m bisect fix linux-6.1.y job log (0) log
2023/10/28 21:24 1h40m bisect fix linux-6.1.y job log (0) log
2023/09/20 16:48 1h58m fix candidate upstream job log (0) log

Sample crash report:
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 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
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4232 at fs/xfs/xfs_dquot.c:801 xfs_qm_dqget_cache_insert+0x130/0x138 fs/xfs/xfs_dquot.c:801
Modules linked in:
CPU: 0 PID: 4232 Comm: syz-executor135 Not tainted 6.1.68-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : xfs_qm_dqget_cache_insert+0x130/0x138 fs/xfs/xfs_dquot.c:801
lr : xfs_qm_dqget_cache_insert+0x130/0x138 fs/xfs/xfs_dquot.c:801
sp : ffff80001dd27700
x29: ffff80001dd27700 x28: ffff0000d001d6c0 x27: dfff800000000000
x26: 1ffff00003ba4ef4 x25: ffff80001dd277a0 x24: ffff0000d6244050
x23: ffff0000d6244050 x22: ffff0000d6244000 x21: ffff0000d001d6c0
x20: 00000000fffffff4 x19: ffff0000d62440f0 x18: ffff80001dd269c0
x17: 0000000000000000 x16: ffff8000084fa4fc x15: 0000000000000000
x14: 00000000ffffffef x13: ffff0000d8411bc0 x12: 0000000000ff0100
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800009c9d9ec
x8 : ffff0000d8411bc0 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001dd26b98 x4 : 00000000ffffffff x3 : 0000000000000c40
x2 : ffff0000c000d500 x1 : ffff800015e2d2c0 x0 : 00000000fffffff4
Call trace:
 xfs_qm_dqget_cache_insert+0x130/0x138 fs/xfs/xfs_dquot.c:801
 xfs_qm_dqget+0x278/0x510 fs/xfs/xfs_dquot.c:874
 xfs_qm_scall_setqlim+0x140/0xf70 fs/xfs/xfs_qm_syscalls.c:300
 xfs_fs_set_dqblk+0xd8/0x124 fs/xfs/xfs_quotaops.c:267
 quota_setquota+0x5bc/0x6f0 fs/quota/quota.c:310
 do_quotactl+0x508/0x698 fs/quota/quota.c:802
 __do_sys_quotactl fs/quota/quota.c:960 [inline]
 __se_sys_quotactl fs/quota/quota.c:916 [inline]
 __arm64_sys_quotactl+0x2d8/0x7a0 fs/quota/quota.c:916
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 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: 70670
hardirqs last  enabled at (70669): [<ffff80001213ac78>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (70669): [<ffff80001213ac78>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (70670): [<ffff800012138864>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (70664): [<ffff800008020d7c>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (70664): [<ffff800008020d7c>] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600
softirqs last disabled at (70613): [<ffff80000802a99c>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---

Crashes (55):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/12/17 01:56 linux-6.1.y ba6f5fb46511 3222d10c .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/09/03 16:54 linux-6.1.y c2cbfe5f5122 696ea0d2 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/03/30 04:52 linux-6.1.y e3a87a10f259 f325deb0 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/05/23 20:44 linux-6.1.y fa74641fb6b9 4bce1a3e .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan WARNING in xfs_qm_dqget_cache_insert
2023/09/22 19:41 linux-6.1.y a356197db198 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in xfs_qm_dqget_cache_insert
2024/02/27 07:44 linux-6.1.y 81e1dc2f7001 05e69c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2024/02/08 00:36 linux-6.1.y f1bb70486c9c 6404acf9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2024/01/27 22:48 linux-6.1.y 883d1a956208 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2024/01/22 21:59 linux-6.1.y 8fd7f4462453 9bd8dcda .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2024/01/19 13:27 linux-6.1.y fec3b1451d5f 21772ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2024/01/15 02:07 linux-6.1.y 7c58bfa711cb 551587c1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/12/18 02:59 linux-6.1.y ba6f5fb46511 3222d10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/12/17 01:40 linux-6.1.y ba6f5fb46511 3222d10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/12/10 17:11 linux-6.1.y 6c6a6c7e211c 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/12/01 12:34 linux-6.1.y 6ac30d748bb0 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/11/28 14:23 linux-6.1.y 69e434a1cb21 9fe51b7c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/11/05 21:35 linux-6.1.y 4a61839152cc 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/11/05 03:40 linux-6.1.y 4a61839152cc 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/10/29 12:22 linux-6.1.y 32c9cdbe383c 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/09/26 09:51 linux-6.1.y d23900f974e0 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/09/18 10:49 linux-6.1.y 09045dae0d90 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/09/15 16:58 linux-6.1.y 09045dae0d90 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/09/06 15:53 linux-6.1.y c2cbfe5f5122 0b6286dc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/09/03 16:32 linux-6.1.y c2cbfe5f5122 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/09/02 07:37 linux-6.1.y a2943d2d9a00 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/08/21 09:05 linux-6.1.y 6c44e13dc284 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/08/15 16:33 linux-6.1.y 1321ab403b38 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/08/06 02:19 linux-6.1.y 52a953d0934b 4ffcc9ef .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/08/01 23:21 linux-6.1.y d2a6dc4eaf6d df07ffe8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/07/24 05:08 linux-6.1.y 75389113731b 27cbe77f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/07/17 10:34 linux-6.1.y 61fd484b2cf6 35d9ecc5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/07/16 01:10 linux-6.1.y 61fd484b2cf6 35d9ecc5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/07/07 14:50 linux-6.1.y 61fd484b2cf6 22ae5830 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/06/30 06:22 linux-6.1.y a1c449d00ff8 01298212 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/06/25 22:17 linux-6.1.y e84a4e368abe 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/06/25 18:53 linux-6.1.y e84a4e368abe 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/06/24 05:06 linux-6.1.y e84a4e368abe 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/06/18 10:13 linux-6.1.y ca87e77a2ef8 f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/06/18 09:56 linux-6.1.y ca87e77a2ef8 f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/06/18 01:02 linux-6.1.y ca87e77a2ef8 f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/06/17 03:05 linux-6.1.y ca87e77a2ef8 f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/06/05 17:43 linux-6.1.y 76ba310227d2 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/05/28 01:41 linux-6.1.y a343b0dd87b4 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/05/27 23:58 linux-6.1.y a343b0dd87b4 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/05/22 05:04 linux-6.1.y fa74641fb6b9 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/05/22 04:19 linux-6.1.y fa74641fb6b9 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/05/22 00:24 linux-6.1.y fa74641fb6b9 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/05/15 00:32 linux-6.1.y bf4ad6fa4e53 2b9ba477 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/04/23 03:46 linux-6.1.y f17b0ab65d17 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/04/19 16:47 linux-6.1.y 0102425ac76b 94b4184e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/04/19 14:28 linux-6.1.y 0102425ac76b 94b4184e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/04/19 02:07 linux-6.1.y 0102425ac76b d931e9f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/04/12 16:12 linux-6.1.y 543aff194ab6 1a1596b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/04/09 03:04 linux-6.1.y 543aff194ab6 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
2023/03/30 04:40 linux-6.1.y e3a87a10f259 f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in xfs_qm_dqget_cache_insert
* Struck through repros no longer work on HEAD.