INFO: task syz-executor.1:6910 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26560 pid:6910 ppid:3642 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: 0033:0x7f199828cada
RSP: 002b:00007f19990d4f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f199828cada
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f19990d4fe0
RBP: 00007f19990d5020 R08: 00007f19990d5020 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f19990d4fe0 R15: 000000002000ddc0
INFO: task gfs2_quotad:6928 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:gfs2_quotad state:D stack:28568 pid:6928 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 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 11877 Comm: syz-executor.3 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:85 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0xde/0x180 mm/kasan/generic.c:189
Code: 74 f2 48 89 c2 b8 01 00 00 00 48 85 d2 75 56 5b 5d 41 5c c3 48 85 d2 74 5e 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 50 80 38 00 <74> f2 eb d4 41 bc 08 00 00 00 48 89 ea 45 29 dc 4d 8d 1c 2c eb 0c
RSP: 0018:ffffc9001733fa20 EFLAGS: 00000246
RAX: fffffbfff1bc4342 RBX: fffffbfff1bc4343 RCX: ffffffff815fb9ac
RDX: fffffbfff1bc4343 RSI: 0000000000000008 RDI: ffffffff8de21a10
RBP: fffffbfff1bc4342 R08: 0000000000000000 R09: ffffffff8de21a17
R10: fffffbfff1bc4342 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000000 R14: ffff88807d7f0158 R15: 0000000000000000
FS: 00007fb0fb1de700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020a93000 CR3: 000000007c4f7000 CR4: 0000000000350ee0
Call Trace:
instrument_atomic_read include/linux/instrumented.h:72 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
cpumask_test_cpu include/linux/cpumask.h:444 [inline]
cpu_online include/linux/cpumask.h:1030 [inline]
trace_lock_acquire include/trace/events/lock.h:24 [inline]
lock_acquire+0xec/0x630 kernel/locking/lockdep.c:5639
__might_fault mm/memory.c:5646 [inline]
__might_fault+0x104/0x170 mm/memory.c:5639
_copy_from_user+0x25/0x170 lib/usercopy.c:13
copy_from_user include/linux/uaccess.h:161 [inline]
snd_rawmidi_kernel_write1+0x366/0x880 sound/core/rawmidi.c:1549
snd_rawmidi_write+0x273/0xbb0 sound/core/rawmidi.c:1618
vfs_write+0x2d7/0xdd0 fs/read_write.c:582
ksys_write+0x1e8/0x250 fs/read_write.c:637
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: 0033:0x7fb0fbe8b5a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb0fb1de168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fb0fbfac120 RCX: 00007fb0fbe8b5a9
RDX: 00000000fffffd2c RSI: 0000000020000000 RDI: 0000000000000005
RBP: 00007fb0fbee67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdc833b8bf R14: 00007fb0fb1de300 R15: 0000000000022000