INFO: task syz.0.733:6258 blocked for more than 143 seconds.
Not tainted 6.1.96-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.733 state:D stack:23168 pid:6258 ppid:5943 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
rwsem_down_write_slowpath+0xea1/0x14b0 kernel/locking/rwsem.c:1189
f2fs_down_write fs/f2fs/f2fs.h:2176 [inline]
f2fs_balance_fs+0x4fb/0x6c0 fs/f2fs/segment.c:428
f2fs_write_single_data_page+0x1336/0x1f90 fs/f2fs/data.c:2884
f2fs_write_cache_pages fs/f2fs/data.c:3143 [inline]
__f2fs_write_data_pages fs/f2fs/data.c:3299 [inline]
f2fs_write_data_pages+0x1ceb/0x3a70 fs/f2fs/data.c:3326
do_writepages+0x3a2/0x670 mm/page-writeback.c:2469
filemap_fdatawrite_wbc+0x121/0x180 mm/filemap.c:388
__filemap_fdatawrite_range mm/filemap.c:421 [inline]
file_write_and_wait_range+0x1ca/0x2b0 mm/filemap.c:774
f2fs_do_sync_file+0x69d/0x1c00 fs/f2fs/file.c:275
generic_write_sync include/linux/fs.h:2957 [inline]
f2fs_file_write_iter+0x720/0x2980 fs/f2fs/file.c:4792
call_write_iter include/linux/fs.h:2265 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x7ae/0xba0 fs/read_write.c:584
ksys_write+0x19c/0x2c0 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3b45375b99
RSP: 002b:00007f3b461e2048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f3b45503f60 RCX: 00007f3b45375b99
RDX: 0000000000200600 RSI: 0000000020000400 RDI: 0000000000000005
RBP: 00007f3b453e4a7a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f3b45503f60 R15: 00007fff90a366a8
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d12ae90 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d12b690 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516
1 lock held by khungtaskd/27:
#0: ffffffff8d12acc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#0: ffffffff8d12acc0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#0: ffffffff8d12acc0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6494
2 locks held by getty/3304:
#0: ffff88807ef00098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 drivers/tty/n_tty.c:2198
3 locks held by kworker/u4:6/3650:
4 locks held by kworker/u4:8/4101:
#0: ffff888144a66138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc900128f7d20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffff88807985c0e0 (&type->s_umount_key#82){++++}-{3:3}, at: trylock_super+0x1b/0xf0 fs/super.c:415
#3: ffff88805e851140 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2176 [inline]
#3: ffff88805e851140 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_balance_fs+0x4fb/0x6c0 fs/f2fs/segment.c:428
3 locks held by kworker/1:9/4217:
#0: ffff8881446a4538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc90012effd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffff8881457cd190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#2: ffff8881457cd190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x5730 drivers/usb/core/hub.c:5801
4 locks held by syz.0.733/6258:
#0: ffff888075d92d68 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x2ba/0x360 fs/file.c:1062
#1: ffff88807985c460 (sb_writers#24){.+.+}-{0:0}, at: vfs_write+0x269/0xba0 fs/read_write.c:580
#2: ffff88805e850128 (&sbi->writepages){+.+.}-{3:3}, at: __f2fs_write_data_pages fs/f2fs/data.c:3294 [inline]
#2: ffff88805e850128 (&sbi->writepages){+.+.}-{3:3}, at: f2fs_write_data_pages+0x33f3/0x3a70 fs/f2fs/data.c:3326
#3: ffff88805e851140 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2176 [inline]
#3: ffff88805e851140 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_balance_fs+0x4fb/0x6c0 fs/f2fs/segment.c:428
7 locks held by syz.0.733/6297:
5 locks held by kworker/0:20/8478:
#0: ffff8881446a4538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc9000331fd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffff888022880190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#2: ffff888022880190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x5730 drivers/usb/core/hub.c:5801
#3: ffff88805a353190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#3: ffff88805a353190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570 drivers/base/dd.c:990
#4: ffff88805a351118 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#4: ffff88805a351118 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x570 drivers/base/dd.c:990
2 locks held by dhcpcd/8601:
#0: ffff888077daa130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1748 [inline]
#0: ffff888077daa130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xd00 net/packet/af_packet.c:3197
#1: ffffffff8d1302b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
#1: ffffffff8d1302b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4f0/0x930 kernel/rcu/tree_exp.h:962
2 locks held by dhcpcd/8602:
#0: ffff888021ff4130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1748 [inline]
#0: ffff888021ff4130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xd00 net/packet/af_packet.c:3197
#1: ffffffff8d1302b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
#1: ffffffff8d1302b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x360/0x930 kernel/rcu/tree_exp.h:962
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.1.96-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b0/0x3f0 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+0xf88/0xfd0 kernel/hung_task.c:377
kthread+0x28d/0x320 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: 6297 Comm: syz.0.733 Not tainted 6.1.96-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__lock_acquire+0x5ce/0x1f80
Code: 00 31 db 48 81 c3 b9 00 00 00 48 89 d8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 f7 11 00 00 48 8b 44 24 20 49 8d 84 c5 e0 0a 00 00 <48> 89 44 24 20 40 84 ed 0f 84 f9 03 00 00 0f b6 1b 41 0f b6 04 17
RSP: 0018:ffffc90000007900 EFLAGS: 00000046
RAX: ffff88801ff56538 RBX: ffffffff901921d9 RCX: ffffffff816a727a
RDX: dffffc0000000000 RSI: ffff88801ff56420 RDI: ffffffff9049c220
RBP: 0000000000000002 R08: dffffc0000000000 R09: fffffbfff2093845
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801ff56418
R13: ffff88801ff55940 R14: ffff88801ff56558 R15: 1ffff11003feacab
FS: 00007f3b461a06c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005564c41c9600 CR3: 000000006812e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
debug_object_deactivate+0x63/0x380 lib/debugobjects.c:752
debug_timer_deactivate kernel/time/timer.c:787 [inline]
debug_deactivate kernel/time/timer.c:831 [inline]
detach_timer+0x26/0x380 kernel/time/timer.c:878
expire_timers kernel/time/timer.c:1538 [inline]
__run_timers+0x60c/0x890 kernel/time/timer.c:1820
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
__do_softirq kernel/softirq.c:605 [inline]
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:654
irq_exit_rcu+0x5/0x20 kernel/softirq.c:666
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1948 [inline]
RIP: 0010:vprintk_emit+0x4fa/0x740 kernel/printk/printk.c:2302
Code: 21 e3 0f 85 ad 01 00 00 e8 63 98 1c 00 44 8b 24 24 4d 85 ff 75 07 e8 55 98 1c 00 eb 06 e8 4e 98 1c 00 fb 48 c7 c7 c0 6e 00 8d <31> f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00 45 31 c9 41 56 e8 ad
RSP: 0018:ffffc9000340e6a0 EFLAGS: 00000246
RAX: ffffffff816dfb82 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000abd2000 RSI: 000000000003ffff RDI: ffffffff8d006ec0
RBP: ffffc9000340e790 R08: ffffffff816dfb5f R09: fffffbfff2093872
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000067
R13: dffffc0000000000 R14: ffffffff816df9d0 R15: 0000000000000200
_printk+0xd1/0x111 kernel/printk/printk.c:2328
bio_check_eod block/blk-core.c:520 [inline]
submit_bio_noacct+0xfef/0x18f0 block/blk-core.c:734
f2fs_submit_page_read+0x25d/0x580 fs/f2fs/data.c:1102
f2fs_get_read_data_page+0x58b/0x8c0 fs/f2fs/data.c:1279
f2fs_get_lock_data_page+0x4e/0xe0 fs/f2fs/data.c:1327
move_data_page fs/f2fs/gc.c:1435 [inline]
gc_data_segment fs/f2fs/gc.c:1649 [inline]
do_garbage_collect+0x390c/0x81f0 fs/f2fs/gc.c:1774
f2fs_gc+0x1169/0x32a0 fs/f2fs/gc.c:1873
f2fs_balance_fs+0x506/0x6c0 fs/f2fs/segment.c:429
f2fs_map_blocks+0x2871/0x3ab0 fs/f2fs/data.c:1705
expand_inode_data+0x56d/0xaf0 fs/f2fs/file.c:1749
f2fs_fallocate+0x44a/0x9f0 fs/f2fs/file.c:1846
vfs_fallocate+0x547/0x6b0 fs/open.c:323
do_vfs_ioctl+0x222c/0x2a90 fs/ioctl.c:849
__do_sys_ioctl fs/ioctl.c:868 [inline]
__se_sys_ioctl+0x81/0x160 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3b45375b99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3b461a0048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3b45504110 RCX: 00007f3b45375b99
RDX: 00000000200000c0 RSI: 0000000040305828 RDI: 0000000000000004
RBP: 00007f3b453e4a7a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f3b45504110 R15: 00007fff90a366a8