INFO: task syz-executor.1:11179 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1 D26136 11179 8120 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
xlog_grant_head_wait+0x13b/0xcd0 fs/xfs/xfs_log.c:263
xlog_grant_head_check+0x3c8/0x420 fs/xfs/xfs_log.c:325
xfs_log_reserve+0x347/0xa70 fs/xfs/xfs_log.c:454
xfs_trans_reserve+0x63a/0x9c0 fs/xfs/xfs_trans.c:197
xfs_trans_alloc+0x2f7/0x700 fs/xfs/xfs_trans.c:289
xfs_qm_qino_alloc+0x19a/0x950 fs/xfs/xfs_qm.c:777
xfs_qm_init_quotainos+0x657/0x730 fs/xfs/xfs_qm.c:1564
xfs_qm_init_quotainfo+0x146/0xd70 fs/xfs/xfs_qm.c:659
xfs_qm_mount_quotas+0x55/0x680 fs/xfs/xfs_qm.c:1432
xfs_mountfs+0x17e2/0x1bf0 fs/xfs/xfs_mount.c:1001
xfs_fs_fill_super+0xd0e/0x1540 fs/xfs/xfs_super.c:1720
XFS (loop3): SB sanity check failed
XFS (loop3): Metadata corruption detected at xfs_sb_read_verify+0x3e7/0x500 fs/xfs/libxfs/xfs_sb.c:685, xfs_sb block 0xffffffffffffffff
mount_bdev+0x2fc/0x3b0 fs/super.c:1158
XFS (loop3): Unmount and run xfs_repair
mount_fs+0xa3/0x310 fs/super.c:1261
XFS (loop3): First 128 bytes of corrupted metadata buffer:
vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
vfs_kern_mount fs/namespace.c:951 [inline]
do_new_mount fs/namespace.c:2492 [inline]
do_mount+0x115c/0x2f50 fs/namespace.c:2822
000000004c670ac1: 58 46 53 42 00 00 02 00 00 00 00 00 a2 00 00 00 XFSB............
000000001b807267: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00000000e7707b73: 5e 62 73 b8 21 67 42 bb 91 1b 41 8a a1 4a 12 61 ^bs.!gB...A..J.a
ksys_mount+0xcf/0x130 fs/namespace.c:3038
00000000affcd2de: 00 00 00 00 00 00 ff 80 00 00 00 00 00 00 00 20 ...............
__do_sys_mount fs/namespace.c:3052 [inline]
__se_sys_mount fs/namespace.c:3049 [inline]
__x64_sys_mount+0xba/0x150 fs/namespace.c:3049
0000000068db1deb: 00 00 00 00 00 00 00 21 00 00 00 00 00 00 00 2f .......!......./
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
000000006135f017: 00 00 00 08 00 00 80 00 00 00 00 02 00 00 00 00 ................
RIP: 0033:0x7f5aa3ba25fa
Code: Bad RIP value.
RSP: 002b:00007f5aa2112f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
0000000023863995: 00 00 0b 40 b4 b4 02 00 01 00 00 02 00 00 00 00 ...@............
RAX: ffffffffffffffda RBX: 000000000000baee RCX: 00007f5aa3ba25fa
000000004eebd81a: 00 00 00 00 00 00 00 00 09 09 08 01 0f 00 00 19 ................
RDX: 0000000020000080 RSI: 0000000020000240 RDI: 00007f5aa2112fe0
XFS (loop3): SB validate failed with error -117.
RBP: 00007f5aa2113020 R08: 00007f5aa2113020 R09: 0000000002000010
R10: 0000000002000010 R11: 0000000000000202 R12: 0000000020000080
R13: 0000000020000240 R14: 00007f5aa2112fe0 R15: 0000000020000040
Showing all locks held in the system:
XFS (loop5): SB sanity check failed
XFS (loop5): Metadata corruption detected at xfs_sb_read_verify+0x3e7/0x500 fs/xfs/libxfs/xfs_sb.c:685, xfs_sb block 0xffffffffffffffff
1 lock held by khungtaskd/1569:
#0: 000000007e47d1a3 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
3 locks held by kworker/u4:3/2886:
1 lock held by systemd-udevd/4699:
1 lock held by in:imklog/7801:
2 locks held by syz-executor.1/11179:
#0: 00000000190645cf (&type->s_umount_key#53/1){+.+.}, at: alloc_super fs/super.c:226 [inline]
#0: 00000000190645cf (&type->s_umount_key#53/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519
#1: 000000004b1a8901 (sb_internal#2){.+.+}, at: sb_start_intwrite include/linux/fs.h:1626 [inline]
#1: 000000004b1a8901 (sb_internal#2){.+.+}, at: xfs_trans_alloc+0x4fc/0x700 fs/xfs/xfs_trans.c:271
2 locks held by syz-executor.4/12369:
#0: 00000000ec7d8baf (&type->s_umount_key#53/1){+.+.}, at: alloc_super fs/super.c:226 [inline]
#0: 00000000ec7d8baf (&type->s_umount_key#53/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519
#1: 00000000e6b013b2 (sb_internal#2){.+.+}, at: sb_start_intwrite include/linux/fs.h:1626 [inline]
#1: 00000000e6b013b2 (sb_internal#2){.+.+}, at: xfs_trans_alloc+0x4fc/0x700 fs/xfs/xfs_trans.c:271
1 lock held by syz-executor.5/13191:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 1569 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
XFS (loop5): Unmount and run xfs_repair
nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
watchdog+0x991/0xe60 kernel/hung_task.c:287
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 19653 Comm: kworker/0:1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: events free_obj_work
RIP: 0010:unwind_next_frame+0x42/0x1400 arch/x86/kernel/unwind_orc.c:397
Code: 81 ec e8 00 00 00 48 c7 44 24 48 b3 8a b5 41 48 8d 5c 24 48 48 c7 44 24 50 a0 af b6 89 48 c1 eb 03 48 c7 44 24 58 f0 80 29 81 <48> 8d 04 13 c7 00 f1 f1 f1 f1 c7 40 04 00 f2 f2 f2 c7 40 08 00 f2
RSP: 0018:ffff8880988af868 EFLAGS: 00000802
RAX: 0000000000000004 RBX: 1ffff11013115f16 RCX: 0000000000000005
RDX: dffffc0000000000 RSI: ffff8880988af7f8 RDI: ffff8880988af998
RBP: ffff8880988afa18 R08: 0000000000000001 R09: 0000000000000001
R10: ffff8880988af9f7 R11: 0000000000074071 R12: ffff8880988afa28
R13: 0000000000000000 R14: ffff8880988af998 R15: ffff8880988afcc8
FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020063000 CR3: 0000000049a27000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000003b DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44
save_stack mm/kasan/kasan.c:448 [inline]
set_track mm/kasan/kasan.c:460 [inline]
__kasan_slab_free+0x126/0x1f0 mm/kasan/kasan.c:521
__cache_free mm/slab.c:3503 [inline]
kmem_cache_free+0x7f/0x260 mm/slab.c:3765
free_obj_work+0x294/0x570 lib/debugobjects.c:242
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415