INFO: task syz-executor.1:9392 blocked for more than 143 seconds.
Not tainted 6.3.0-rc7-syzkaller-00152-g2af3e53a4dc0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:24296 pid:9392 ppid:5097 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5307 [inline]
__schedule+0x173b/0x4630 kernel/sched/core.c:6625
schedule+0xc3/0x180 kernel/sched/core.c:6701
bit_wait+0x12/0xc0 kernel/sched/wait_bit.c:199
__wait_on_bit kernel/sched/wait_bit.c:49 [inline]
out_of_line_wait_on_bit+0x251/0x3a0 kernel/sched/wait_bit.c:64
wait_on_bit include/linux/wait_bit.h:76 [inline]
gfs2_recover_journal+0xf2/0x150 fs/gfs2/recovery.c:577
init_journal+0x1826/0x23e0 fs/gfs2/ops_fstype.c:835
init_inodes+0xdc/0x310 fs/gfs2/ops_fstype.c:889
gfs2_fill_super+0x1d02/0x2840 fs/gfs2/ops_fstype.c:1253
get_tree_bdev+0x402/0x620 fs/super.c:1303
gfs2_get_tree+0x54/0x210 fs/gfs2/ops_fstype.c:1338
vfs_get_tree+0x8c/0x270 fs/super.c:1510
do_new_mount+0x28f/0xae0 fs/namespace.c:3042
do_mount fs/namespace.c:3385 [inline]
__do_sys_mount fs/namespace.c:3594 [inline]
__se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3571
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f26d2c8d69a
RSP: 002b:00007f26d17fdf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 000000000001f6ca RCX: 00007f26d2c8d69a
RDX: 000000002001f680 RSI: 000000002001f6c0 RDI: 00007f26d17fdfe0
RBP: 00007f26d17fe020 R08: 00007f26d17fe020 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000002001f680
R13: 000000002001f6c0 R14: 00007f26d17fdfe0 R15: 000000002001f740
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8cf25570 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8cf25d70 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510
1 lock held by khungtaskd/28:
#0: ffffffff8cf253a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4743:
#0: ffff88802cc14098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2177
2 locks held by kworker/1:6/5161:
#0: ffff888018a52d38 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2363
#1: ffffc9000456fd20 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2365
2 locks held by kworker/u4:7/5356:
#0: ffff888012479138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2363
#1: ffff88802b69d1b0 (&mm->cid_lock){....}-{2:2}, at: mm_cid_get kernel/sched/sched.h:3280 [inline]
#1: ffff88802b69d1b0 (&mm->cid_lock){....}-{2:2}, at: switch_mm_cid kernel/sched/sched.h:3302 [inline]
#1: ffff88802b69d1b0 (&mm->cid_lock){....}-{2:2}, at: prepare_task_switch kernel/sched/core.c:5117 [inline]
#1: ffff88802b69d1b0 (&mm->cid_lock){....}-{2:2}, at: context_switch kernel/sched/core.c:5258 [inline]
#1: ffff88802b69d1b0 (&mm->cid_lock){....}-{2:2}, at: __schedule+0x12e4/0x4630 kernel/sched/core.c:6625
2 locks held by kworker/u4:9/7261:
#0: ffff8880b993be98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:539
#1: ffff8880b9928788 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:976
1 lock held by syz-executor.1/9392:
#0: ffff888077fe80e0 (&type->s_umount_key#96/1){+.+.}-{3:3}, at: alloc_super+0x217/0x930 fs/super.c:228
1 lock held by syz-executor.1/10789:
#0: ffff888077fe80e0 (&type->s_umount_key#97){++++}-{3:3}, at: user_get_super+0x11e/0x250 fs/super.c:877
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.3.0-rc7-syzkaller-00152-g2af3e53a4dc0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x187/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xec2/0xf00 kernel/hung_task.c:379
kthread+0x270/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 7261 Comm: kworker/u4:9 Not tainted 6.3.0-rc7-syzkaller-00152-g2af3e53a4dc0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__lock_acquire+0xa0/0x1f80 kernel/locking/lockdep.c:4930
Code: 00 48 ba 00 00 00 00 00 fc ff df 48 c7 c0 c0 c0 19 90 49 39 06 75 03 45 31 ff 89 5c 24 3c 83 fd 01 77 2e 89 e8 49 8d 5c c6 08 <48> 89 d8 48 c1 e8 03 80 3c 10 00 74 12 48 89 df e8 8b 24 76 00 48
RSP: 0018:ffffc90009fe79a0 EFLAGS: 00000097
RAX: 0000000000000000 RBX: ffffffff8cf253a8 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff8cf253a0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000002
R13: ffff88802c9657c0 R14: ffffffff8cf253a0 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c006dfea08 CR3: 000000000cd30000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1e1/0x520 kernel/locking/lockdep.c:5669
rcu_lock_acquire+0x2e/0x40 include/linux/rcupdate.h:327
rcu_read_lock include/linux/rcupdate.h:773 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0xc5/0x5c0 net/batman-adv/network-coding.c:719
process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2390
worker_thread+0xa63/0x1210 kernel/workqueue.c:2537
kthread+0x270/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308