INFO: task syz-executor.4:3634 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00063-g1a2dcbdde82e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:23160 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: 0033:0x7f84eec8ca17
RSP: 002b:00007fff693ed508 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f84eec8ca17
RDX: 00007fff693ed5db RSI: 000000000000000a RDI: 00007fff693ed5d0
RBP: 00007fff693ed5d0 R08: 00000000ffffffff R09: 00007fff693ed3a0
R10: 00005555563088b3 R11: 0000000000000246 R12: 00007f84eece5826
R13: 00007fff693ee690 R14: 0000555556308810 R15: 00007fff693ee6d0
INFO: task syz-executor.2:13570 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00063-g1a2dcbdde82e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:26520 pid:13570 ppid:3637 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: 0033:0x7faf8868b5a9
RSP: 002b:00007faf893a4168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007faf887abf80 RCX: 00007faf8868b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007faf886e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9866631f R14: 00007faf893a4300 R15: 0000000000022000
INFO: task syz-executor.2:13574 blocked for more than 144 seconds.
Not tainted 6.1.0-rc2-syzkaller-00063-g1a2dcbdde82e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:29048 pid:13574 ppid:3637 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: 0033:0x7faf8868b5a9
RSP: 002b:00007faf89383168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007faf887ac050 RCX: 00007faf8868b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007faf886e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9866631f R14: 00007faf89383300 R15: 0000000000022000
INFO: task syz-executor.2:13577 blocked for more than 144 seconds.
Not tainted 6.1.0-rc2-syzkaller-00063-g1a2dcbdde82e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:29720 pid:13577 ppid:3637 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: 0033:0x7faf8868b5a9
RSP: 002b:00007faf89362168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007faf887ac120 RCX: 00007faf8868b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007faf886e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9866631f R14: 00007faf89362300 R15: 0000000000022000
INFO: task syz-executor.2:13580 blocked for more than 144 seconds.
Not tainted 6.1.0-rc2-syzkaller-00063-g1a2dcbdde82e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:29432 pid:13580 ppid:3637 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: 0033:0x7faf8868b5a9
RSP: 002b:00007faf89341168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007faf887ac1f0 RCX: 00007faf8868b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007faf886e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9866631f R14: 00007faf89341300 R15: 0000000000022000
INFO: task syz-executor.2:13582 blocked for more than 144 seconds.
Not tainted 6.1.0-rc2-syzkaller-00063-g1a2dcbdde82e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:29432 pid:13582 ppid:3637 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: 0033:0x7faf8868b5a9
RSP: 002b:00007faf89320168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007faf887ac2c0 RCX: 00007faf8868b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007faf886e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9866631f R14: 00007faf89320300 R15: 0000000000022000
INFO: task syz-executor.2:13585 blocked for more than 144 seconds.
Not tainted 6.1.0-rc2-syzkaller-00063-g1a2dcbdde82e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:29720 pid:13585 ppid:3637 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: 0033:0x7faf8868b5a9
RSP: 002b:00007faf892ff168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007faf887ac390 RCX: 00007faf8868b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007faf886e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9866631f R14: 00007faf892ff300 R15: 0000000000022000
INFO: task syz-executor.2:13588 blocked for more than 145 seconds.
Not tainted 6.1.0-rc2-syzkaller-00063-g1a2dcbdde82e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:29720 pid:13588 ppid:3637 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: 0033:0x7faf8868b5a9
RSP: 002b:00007faf879ff168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007faf887ac460 RCX: 00007faf8868b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007faf886e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9866631f R14: 00007faf879ff300 R15: 0000000000022000
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller-00063-g1a2dcbdde82e #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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3632 Comm: syz-fuzzer Not tainted 6.1.0-rc2-syzkaller-00063-g1a2dcbdde82e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:lock_acquire+0x81/0x3c0 kernel/locking/lockdep.c:5636
Code: 4c 8d 6c 24 20 49 c1 ed 03 48 b8 f1 f1 f1 f1 00 f2 f2 f2 4b 89 44 25 00 43 c7 44 25 09 f2 f2 f2 00 43 c7 44 25 11 f3 f3 f3 f3 <66> 43 c7 44 25 15 f3 f3 43 c6 44 25 17 f3 89 54 24 0c 89 4c 24 08
RSP: 0018:ffffc90003d4f300 EFLAGS: 00000a02
RAX: f2f2f200f1f1f1f1 RBX: ffffffff8cb22460 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8cb22460
RBP: ffffc90003d4f430 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8f84a018 R11: ffffffff8f84a010 R12: dffffc0000000000
R13: 1ffff920007a9e64 R14: 0000000000000000 R15: 0000000000000000
FS: 000000c023ffc890(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c006722f00 CR3: 000000002006d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:304
rcu_read_lock include/linux/rcupdate.h:738 [inline]
page_ext_get+0x20/0x240 mm/page_ext.c:157
__reset_page_owner+0x32/0x1a0 mm/page_owner.c:144
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1458 [inline]
free_pcp_prepare+0x80c/0x8f0 mm/page_alloc.c:1508
free_unref_page_prepare mm/page_alloc.c:3386 [inline]
free_unref_page_list+0xb4/0x7b0 mm/page_alloc.c:3528
release_pages+0x232a/0x25c0 mm/swap.c:1055
tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:256 [inline]
tlb_flush_mmu+0x850/0xa70 mm/mmu_gather.c:263
tlb_finish_mmu+0xcb/0x200 mm/mmu_gather.c:363
zap_page_range+0x60f/0x6d0 mm/memory.c:1765
madvise_dontneed_single_vma mm/madvise.c:793 [inline]
madvise_dontneed_free+0x61e/0x1570 mm/madvise.c:876
madvise_vma_behavior mm/madvise.c:1015 [inline]
madvise_walk_vmas mm/madvise.c:1240 [inline]
do_madvise+0x788/0x2010 mm/madvise.c:1419
__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:000000c006abde18 EFLAGS: 00000202 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 0000000000200000 RCX: 00000000004675b7
RDX: 0000000000000004 RSI: 0000000000200000 RDI: 000000c032800000
RBP: 000000c006abde58 R08: 0000000000200000 R09: 0000000000000100
R10: 0000000000000100 R11: 0000000000000202 R12: 00007f9a0b200000
R13: 0000000000006500 R14: 000000c005f17a00 R15: 0000000000001018