INFO: task syz-executor.2:3642 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.2 state:D stack:22648 pid:3642 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: 0033:0x7f847ee8ca17
RSP: 002b:00007ffda94ee4e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f847ee8ca17
RDX: 00007ffda94ee5bb RSI: 000000000000000a RDI: 00007ffda94ee5b0
RBP: 00007ffda94ee5b0 R08: 00000000ffffffff R09: 00007ffda94ee380
R10: 00005555564fc8b3 R11: 0000000000000246 R12: 00007f847eee5826
R13: 00007ffda94ef670 R14: 00005555564fc810 R15: 00007ffda94ef6b0
INFO: task syz-executor.4:7595 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.4 state:D stack:23544 pid:7595 ppid:3641 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+0xc6/0x1c0 fs/sync.c:103
__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: 0033:0x7fab1408b5a9
RSP: 002b:00007fab14dc6168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fab141ac600 RCX: 00007fab1408b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fab140e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffe748f93f R14: 00007fab14dc6300 R15: 0000000000022000
INFO: task syz-executor.0:7597 blocked for more than 144 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.0 state:D stack:24728 pid:7597 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+0xc6/0x1c0 fs/sync.c:103
__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: 0033:0x7f438ac8b5a9
RSP: 002b:00007f4389f7b168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f438adac600 RCX: 00007f438ac8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f438ace67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdf269d0df R14: 00007f4389f7b300 R15: 0000000000022000
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 28 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+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: 3724 Comm: kworker/u4:5 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: bat_events batadv_nc_worker
RIP: 0010:lock_release+0x6/0x820 kernel/locking/lockdep.c:5676
Code: e4 0d 8e 80 e1 07 80 c1 03 38 c1 0f 8c 30 f7 ff ff 48 c7 c7 58 e4 0d 8e e8 77 1e 74 00 e9 1f f7 ff ff 66 90 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 00 01 00 00 49 89 f7 65
RSP: 0018:ffffc90004b0fb58 EFLAGS: 00000293
RAX: ffffffff8a05c9da RBX: ffff88814a700980 RCX: ffff888026c71d40
RDX: 0000000000000000 RSI: ffffffff8a05c9d5 RDI: ffffffff8cb22460
RBP: ffffc90004b0fb60 R08: dffffc0000000000 R09: fffffbfff1c1b5f6
R10: fffffbfff1c1b5f6 R11: 1ffffffff1c1b5f5 R12: dffffc0000000000
R13: ffff88807b5acc80 R14: ffff88814a700990 R15: ffffffff8a05c250
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561dfdd4c000 CR3: 0000000026fbc000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_read_unlock include/linux/rcupdate.h:771 [inline]
batadv_nc_process_nc_paths+0x2e1/0x370 net/batman-adv/network-coding.c:699
batadv_nc_worker+0x3de/0x5b0 net/batman-adv/network-coding.c:728
process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306