INFO: task syz-executor.3:14350 blocked for more than 143 seconds.
Not tainted 6.8.0-rc5-syzkaller-00278-g603c04e27c3e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27672 pid:14350 tgid:14311 ppid:6158 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x177f/0x49a0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
rwsem_down_write_slowpath+0xeea/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1ae/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:804 [inline]
f2fs_file_write_iter+0x297/0x2340 fs/f2fs/file.c:4778
call_write_iter include/linux/fs.h:2087 [inline]
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0xa81/0xcb0 fs/read_write.c:590
ksys_pwrite64 fs/read_write.c:705 [inline]
__do_sys_pwrite64 fs/read_write.c:715 [inline]
__se_sys_pwrite64 fs/read_write.c:712 [inline]
__x64_sys_pwrite64+0x1aa/0x230 fs/read_write.c:712
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f99c027dda9
RSP: 002b:00007f99bf5bd0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f99c03ac120 RCX: 00007f99c027dda9
RDX: 0000000000000001 RSI: 00000000200000c0 RDI: 0000000000000006
RBP: 00007f99c02ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f99c03ac120 R15: 00007ffc258ab918
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8e130c60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8e130c60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8e130c60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
4 locks held by kworker/u4:5/72:
#0: ffff8880192a1938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
#0: ffff8880192a1938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
#1: ffffc900015b7d20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
#1: ffffc900015b7d20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
#2: ffff888023cdc0e0 (&type->s_umount_key#58){++++}-{3:3}, at: super_trylock_shared+0x22/0xf0 fs/super.c:566
#3: ffff8880899c52a8 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2138 [inline]
#3: ffff8880899c52a8 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_balance_fs+0x500/0x730 fs/f2fs/segment.c:437
2 locks held by getty/4813:
#0: ffff88802b32c0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc9000311b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 drivers/tty/n_tty.c:2201
2 locks held by kworker/0:4/5144:
#0: ffff888014c8e538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
#0: ffff888014c8e538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
#1: ffffc9000475fd20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
#1: ffffc9000475fd20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
2 locks held by kworker/u4:16/5422:
#0: ffff8880b943c918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
#1: ffffc90008f37d20 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
#1: ffffc90008f37d20 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
7 locks held by syz-executor.3/14349:
2 locks held by syz-executor.3/14350:
#0: ffff888023cdc420 (sb_writers#17){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2794 [inline]
#0: ffff888023cdc420 (sb_writers#17){.+.+}-{0:0}, at: vfs_write+0x233/0xcb0 fs/read_write.c:586
#1: ffff88808bde6298 (&sb->s_type->i_mutex_key#24){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:804 [inline]
#1: ffff88808bde6298 (&sb->s_type->i_mutex_key#24){+.+.}-{3:3}, at: f2fs_file_write_iter+0x297/0x2340 fs/f2fs/file.c:4778
1 lock held by syz-executor.1/16331:
1 lock held by syz-executor.4/16335:
2 locks held by syz-executor.2/16337:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc5-syzkaller-00278-g603c04e27c3e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xfaf/0xff0 kernel/hung_task.c:379
kthread+0x2ef/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 16331 Comm: syz-executor.1 Not tainted 6.8.0-rc5-syzkaller-00278-g603c04e27c3e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline]
RIP: 0010:mark_lock+0xa2/0x350 kernel/locking/lockdep.c:4656
Code: 00 8b 1b 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 20 64 c5 92 be 08 00 00 00 e8 16 bd 80 00 48 0f a3 1d de db 53 11 <73> 10 48 69 c3 c8 00 00 00 48 8d 98 20 c3 93 92 eb 68 48 c7 c0 c0
RSP: 0018:ffffc900001f0688 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 000000000000037c RCX: ffffffff8171883a
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92c56488
RBP: 0000000000000008 R08: ffffffff92c5648f R09: 1ffffffff258ac91
R10: dffffc0000000000 R11: fffffbfff258ac92 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000100 R15: ffff88802bc4c690
FS: 00007faf663dc6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fef69dad988 CR3: 000000002c62e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
mark_usage kernel/locking/lockdep.c:4599 [inline]
__lock_acquire+0xc09/0x1fd0 kernel/locking/lockdep.c:5091
lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754
local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
kcov_remote_stop+0x88/0x6e0 kernel/kcov.c:995
ieee80211_rx_list+0x2c6d/0x36f0 net/mac80211/rx.c:5413
ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5433
ieee80211_rx include/net/mac80211.h:4983 [inline]
ieee80211_tasklet_handler+0xeb/0x1f0 net/mac80211/main.c:318
tasklet_action_common+0x321/0x4d0 kernel/softirq.c:780
__do_softirq+0x2bb/0x942 kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu+0xf1/0x1c0 kernel/softirq.c:632
irq_exit_rcu+0x9/0x30 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x97/0xb0 arch/x86/kernel/apic/apic.c:1076
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1975 [inline]
RIP: 0010:vprintk_emit+0x4e6/0x720 kernel/printk/printk.c:2302
Code: 21 e3 0f 85 aa 01 00 00 e8 77 9e 1e 00 44 8b 24 24 4d 85 ff 75 07 e8 69 9e 1e 00 eb 06 e8 62 9e 1e 00 fb 48 c7 c7 00 c8 00 8e <31> f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00 45 31 c9 41 56 e8 61
RSP: 0018:ffffc900047e7620 EFLAGS: 00000246
RAX: ffffffff8174cdee RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000a2a3000 RSI: 000000000003ffff RDI: ffffffff8e00c800
RBP: ffffc900047e7710 R08: ffffffff8174cdcb R09: 1ffffffff258aca9
R10: dffffc0000000000 R11: fffffbfff258acaa R12: 000000000000003b
R13: dffffc0000000000 R14: ffffffff8174cc4d R15: 0000000000000200
_printk+0xd5/0x120 kernel/printk/printk.c:2328
f2fs_printk+0x36f/0x440 fs/f2fs/super.c:277
f2fs_fill_super+0x7df4/0x8050 fs/f2fs/super.c:4794
mount_bdev+0x20a/0x2d0 fs/super.c:1663
legacy_get_tree+0xee/0x190 fs/fs_context.c:662
vfs_get_tree+0x90/0x2a0 fs/super.c:1784
do_new_mount+0x2be/0xb40 fs/namespace.c:3352
do_mount fs/namespace.c:3692 [inline]
__do_sys_mount fs/namespace.c:3898 [inline]
__se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3875
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7faf6567f4aa
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007faf663dbef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007faf663dbf80 RCX: 00007faf6567f4aa
RDX: 0000000020000000 RSI: 0000000020000080 RDI: 00007faf663dbf40
RBP: 0000000020000000 R08: 00007faf663dbf80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000080
R13: 00007faf663dbf40 R14: 00000000000054f6 R15: 0000000020000240