INFO: task syz-executor.5:3634 blocked for more than 143 seconds.
Not tainted 6.1.0-rc1-syzkaller-00427-gd47136c28015 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:22744 pid:3634 ppid:1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8c9/0xd70 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
rwsem_down_read_slowpath+0x5f9/0x930 kernel/locking/rwsem.c:1095
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260
__gfs2_trans_begin+0x4e4/0x8c0 fs/gfs2/trans.c:87
gfs2_trans_begin+0x6d/0xe0 fs/gfs2/trans.c:118
gfs2_write_jdata_pagevec+0x100/0xe20 fs/gfs2/aops.c:220
gfs2_write_cache_jdata+0x46d/0x7b0 fs/gfs2/aops.c:349
gfs2_jdata_writepages+0x81/0x150 fs/gfs2/aops.c:391
do_writepages+0x3c3/0x680 mm/page-writeback.c:2469
filemap_fdatawrite_wbc+0x11e/0x170 mm/filemap.c:388
gfs2_ail1_start_one fs/gfs2/log.c:134 [inline]
gfs2_ail1_flush+0xbc3/0xeb0 fs/gfs2/log.c:214
gfs2_ail1_start fs/gfs2/log.c:245 [inline]
empty_ail1_list+0x17f/0x260 fs/gfs2/log.c:977
gfs2_log_flush+0x212a/0x26a0 fs/gfs2/log.c:1122
gfs2_kill_sb+0x50/0xd0 fs/gfs2/ops_fstype.c:1732
deactivate_locked_super+0xa7/0xf0 fs/super.c:331
cleanup_mnt+0x494/0x520 fs/namespace.c:1186
task_work_run+0x243/0x300 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0x124/0x150 kernel/entry/common.c:171
exit_to_user_mode_prepare+0xb2/0x140 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x26/0x60 kernel/entry/common.c:296
do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1543c8ca67
RSP: 002b:00007ffcca562508 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1543c8ca67
RDX: 00007ffcca5625db RSI: 000000000000000a RDI: 00007ffcca5625d0
RBP: 00007ffcca5625d0 R08: 00000000ffffffff R09: 00007ffcca5623a0
R10: 00005555560c58b3 R11: 0000000000000246 R12: 00007f1543ce5826
R13: 00007ffcca563690 R14: 00005555560c5810 R15: 00007ffcca5636d0
INFO: task syz-executor.2:10909 blocked for more than 143 seconds.
Not tainted 6.1.0-rc1-syzkaller-00427-gd47136c28015 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:29944 pid:10909 ppid:3638 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8c9/0xd70 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
rwsem_down_read_slowpath+0x5f9/0x930 kernel/locking/rwsem.c:1095
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260
iterate_supers+0xb0/0x1f0 fs/super.c:721
ksys_sync+0xb7/0x1c0 fs/sync.c:102
__do_sys_sync+0xa/0x10 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6dd848b5f9
RSP: 002b:00007f6dd9638168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f6dd85ac050 RCX: 00007f6dd848b5f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f6dd84e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffce96ae86f R14: 00007f6dd9638300 R15: 0000000000022000
INFO: task syz-executor.2:10910 blocked for more than 144 seconds.
Not tainted 6.1.0-rc1-syzkaller-00427-gd47136c28015 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:29432 pid:10910 ppid:3638 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8c9/0xd70 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
rwsem_down_read_slowpath+0x5f9/0x930 kernel/locking/rwsem.c:1095
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260
iterate_supers+0xb0/0x1f0 fs/super.c:721
ksys_sync+0xb7/0x1c0 fs/sync.c:102
__do_sys_sync+0xa/0x10 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6dd848b5f9
RSP: 002b:00007f6dd9617168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f6dd85ac120 RCX: 00007f6dd848b5f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f6dd84e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffce96ae86f R14: 00007f6dd9617300 R15: 0000000000022000
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc1-syzkaller-00427-gd47136c28015 #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+0x1b1/0x28e lib/dump_stack.c:106
nmi_cpu_backtrace+0x46f/0x4f0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1ba/0x420 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+0xcf5/0xd40 kernel/hung_task.c:377
kthread+0x266/0x300 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: 3599 Comm: syz-fuzzer Not tainted 6.1.0-rc1-syzkaller-00427-gd47136c28015 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline]
RIP: 0010:__mmap_lock_trace_released include/linux/mmap_lock.h:41 [inline]
RIP: 0010:mmap_write_unlock include/linux/mmap_lock.h:104 [inline]
RIP: 0010:do_madvise+0x1e88/0x2010 mm/madvise.c:1423
Code: 48 8d bc 24 a0 02 00 00 e8 85 25 4a 02 80 7c 24 6c 00 74 16 0f 1f 44 00 00 49 81 c4 e8 00 00 00 4c 89 e7 e8 6a a1 95 ff eb 14 <0f> 1f 44 00 00 49 81 c4 e8 00 00 00 4c 89 e7 e8 04 a8 95 ff 48 c7
RSP: 0018:ffffc90003cbfba0 EFLAGS: 00000246
RAX: 3665fb86bb626200 RBX: 000000c03fa00000 RCX: ffff888078069d40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90003cbfe40
RBP: ffffc90003cbfef0 R08: ffffffff81d12dea R09: ffffed100f0eeafe
R10: ffffed100f0eeafe R11: 1ffff1100f0eeafd R12: ffff888078775700
R13: 1ffff92000797f8c R14: ffff888078775700 R15: 0000000000000000
FS: 000000c000050890(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561395f973e0 CR3: 00000000273a8000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__do_sys_madvise mm/madvise.c:1432 [inline]
__se_sys_madvise mm/madvise.c:1430 [inline]
__x64_sys_madvise+0xa2/0xb0 mm/madvise.c:1430
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x4675b7
Code: 8b 24 24 48 8b 6c 24 10 48 83 c4 18 c3 cc cc cc cc cc cc 48 8b 7c 24 08 48 8b 74 24 10 8b 54 24 18 48 c7 c0 1c 00 00 00 0f 05 <89> 44 24 20 c3 cc cc cc cc 48 8b 7c 24 08 8b 74 24 10 8b 54 24 14
RSP: 002b:000000c00005be18 EFLAGS: 00000206 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 0000000000002000 RCX: 00000000004675b7
RDX: 000000000000000f RSI: 0000000000200000 RDI: 000000c03ca00000
RBP: 000000c00005be58 R08: 0000000000200000 R09: 0000000000000200
R10: 0000000000000164 R11: 0000000000000206 R12: 00007fd902000000
R13: 0000000000007900 R14: 000000c000000d00 R15: 0000000000001018