INFO: task syz-executor.5:11035 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00078-g98555239e4c3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:26560 pid:11035 ppid:3635 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6503
schedule+0xda/0x1b0 kernel/sched/core.c:6579
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x1ca/0x5c0 kernel/sched/completion.c:106
kthread_stop+0x1bf/0x830 kernel/kthread.c:709
gfs2_make_fs_ro+0x118/0x610 fs/gfs2/super.c:529
signal_our_withdraw fs/gfs2/util.c:166 [inline]
gfs2_withdraw.cold+0x4ae/0xfd9 fs/gfs2/util.c:351
gfs2_meta_check_ii+0x68/0xa0 fs/gfs2/util.c:509
gfs2_metatype_check_i fs/gfs2/util.h:126 [inline]
gfs2_metatype_check_i fs/gfs2/util.h:116 [inline]
gfs2_quota_init+0xca3/0xf70 fs/gfs2/quota.c:1395
gfs2_make_fs_rw+0x420/0x640 fs/gfs2/super.c:153
gfs2_fill_super+0x22c4/0x27a0 fs/gfs2/ops_fstype.c:1274
get_tree_bdev+0x440/0x760 fs/super.c:1323
gfs2_get_tree+0x4a/0x270 fs/gfs2/ops_fstype.c:1330
vfs_get_tree+0x89/0x2f0 fs/super.c:1530
do_new_mount fs/namespace.c:3040 [inline]
path_mount+0x1326/0x1e20 fs/namespace.c:3370
do_mount fs/namespace.c:3383 [inline]
__do_sys_mount fs/namespace.c:3591 [inline]
__se_sys_mount fs/namespace.c:3568 [inline]
__x64_sys_mount+0x27f/0x300 fs/namespace.c:3568
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f29da68cada
RSP: 002b:00007f29db4b3f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f29da68cada
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f29db4b3fe0
RBP: 00007f29db4b4020 R08: 00007f29db4b4020 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f29db4b3fe0 R15: 000000002000ddc0
INFO: task gfs2_quotad:11054 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00078-g98555239e4c3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:gfs2_quotad state:D stack:28696 pid:11054 ppid:2 flags:0x00024000
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6503
schedule+0xda/0x1b0 kernel/sched/core.c:6579
bit_wait+0x12/0xe0 kernel/sched/wait_bit.c:199
__wait_on_bit+0x60/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xd5/0x110 kernel/sched/wait_bit.c:64
wait_on_bit include/linux/wait_bit.h:76 [inline]
wait_on_bit include/linux/wait_bit.h:71 [inline]
__gfs2_glock_dq+0x9ad/0xd80 fs/gfs2/glock.c:1646
gfs2_glock_dq+0x7a/0x200 fs/gfs2/glock.c:1718
gfs2_glock_dq_uninit+0x16/0x100 fs/gfs2/glock.c:1738
gfs2_statfs_sync+0x3c7/0x540 fs/gfs2/super.c:306
gfs2_quotad+0x38b/0x570 fs/gfs2/quota.c:1545
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller-00078-g98555239e4c3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x32f/0x3c0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xc71/0xfc0 kernel/hung_task.c:377
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2968 Comm: udevd Not tainted 6.1.0-rc2-syzkaller-00078-g98555239e4c3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x60 kernel/kcov.c:207
Code: 00 00 e9 d6 8e 87 02 66 0f 1f 44 00 00 48 8b be a8 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 65 8b 05 b9 d2 85 7e 89 c1 48 8b 34 24 <81> e1 00 01 00 00 65 48 8b 14 25 80 6f 02 00 a9 00 01 ff 00 74 0e
RSP: 0018:ffffc9000313f698 EFLAGS: 00000202
RAX: 0000000080000000 RBX: 0000000000000020 RCX: 0000000080000000
RDX: ffff88807cd21d40 RSI: ffffffff81de9f8a RDI: 0000000000000007
RBP: ffff888083c38000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000020 R11: 000000000008c07e R12: ffff888083c380d8
R13: 0000000000000001 R14: ffff888083c38088 R15: ffff888083c380d8
FS: 00007f5b6e5ff840(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e22b000 CR3: 0000000026646000 CR4: 0000000000350ef0
Call Trace:
evict+0x5a/0x6b0 fs/inode.c:648
iput_final fs/inode.c:1747 [inline]
iput.part.0+0x59b/0x880 fs/inode.c:1773
iput+0x58/0x70 fs/inode.c:1763
dentry_unlink_inode+0x2b1/0x460 fs/dcache.c:401
__dentry_kill+0x3c0/0x640 fs/dcache.c:607
shrink_dentry_list+0x23c/0x800 fs/dcache.c:1201
shrink_dcache_parent+0x1fe/0x3c0 fs/dcache.c:1628
d_invalidate fs/dcache.c:1737 [inline]
d_invalidate+0x13f/0x280 fs/dcache.c:1722
lookup_fast+0x269/0x520 fs/namei.c:1650
walk_component+0x5e/0x5a0 fs/namei.c:1989
link_path_walk.part.0+0x74e/0xe20 fs/namei.c:2320
link_path_walk fs/namei.c:2245 [inline]
path_openat+0x262/0x2860 fs/namei.c:3709
do_filp_open+0x1b6/0x400 fs/namei.c:3740
do_sys_openat2+0x16d/0x4c0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5b6e725697
Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f
RSP: 002b:00007ffe973ad130 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055cfea70e4a0 RCX: 00007f5b6e725697
RDX: 0000000000080000 RSI: 00007ffe973ad268 RDI: 00000000ffffff9c
RBP: 00007ffe973ad268 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 000055cfea70e4a0 R14: 0000000000000001 R15: 0000000000000000