INFO: task syz.2.602:5747 blocked for more than 143 seconds.
Not tainted 6.1.97-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.602 state:D stack:23176 pid:5747 ppid:3558 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_issue_checkpoint+0x2d2/0x4d0 fs/f2fs/checkpoint.c:1864
f2fs_create+0x862/0xa10 fs/f2fs/namei.c:377
lookup_open fs/namei.c:3484 [inline]
open_last_lookups fs/namei.c:3552 [inline]
path_openat+0x12f1/0x2e60 fs/namei.c:3782
do_filp_open+0x230/0x480 fs/namei.c:3812
do_sys_openat2+0x13b/0x500 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
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: 0033:0x7fd5add75bd9
RSP: 002b:00007fd5aeb20048 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fd5adf03f60 RCX: 00007fd5add75bd9
RDX: 00000000000026e1 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007fd5adde4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fd5adf03f60 R15: 00007ffd0255bae8
INFO: task syz.2.602:5831 blocked for more than 143 seconds.
Not tainted 6.1.97-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.602 state:D stack:25856 pid:5831 ppid:3558 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
inode_lock include/linux/fs.h:758 [inline]
process_measurement+0x446/0x21b0 security/integrity/ima/ima_main.c:242
ima_file_check+0xed/0x170 security/integrity/ima/ima_main.c:534
do_open fs/namei.c:3630 [inline]
path_openat+0x2687/0x2e60 fs/namei.c:3785
do_filp_open+0x230/0x480 fs/namei.c:3812
do_sys_openat2+0x13b/0x500 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
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: 0033:0x7fd5add75bd9
RSP: 002b:00007fd5aeabd048 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fd5adf041e8 RCX: 00007fd5add75bd9
RDX: 0000000000183341 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007fd5adde4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fd5adf041e8 R15: 00007ffd0255bae8
Showing all locks held in the system:
4 locks held by kworker/u4:0/9:
#0: ffff88801464d138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc900000e7d20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffff88807e4480e0 (&type->s_umount_key#83){++++}-{3:3}, at: trylock_super+0x1b/0xf0 fs/super.c:415
#3: ffff8880728f5140 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2176 [inline]
#3: ffff8880728f5140 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_balance_fs+0x4fb/0x6c0 fs/f2fs/segment.c:428
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d12aed0 (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: ffffffff8d12b6d0 (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: ffffffff8d12ad00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#0: ffffffff8d12ad00 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#0: ffffffff8d12ad00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6494
2 locks held by kworker/u4:5/1143:
#0: ffff888012479138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc90004c47d20 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
2 locks held by getty/3311:
#0: ffff88814b7a3098 (&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/0:5/3597:
2 locks held by kworker/u4:6/3662:
4 locks held by kworker/u4:14/4295:
#0: ffff888012616938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc900143c7d20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffffffff8e28d810 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf1/0xb60 net/core/net_namespace.c:566
#3: ffffffff8d1302f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
#3: ffffffff8d1302f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4f0/0x930 kernel/rcu/tree_exp.h:962
3 locks held by kworker/1:14/4323:
#0: ffff888012470938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc90014337d20 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffff888060287240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2cd/0x4120 drivers/net/netdevsim/fib.c:1489
3 locks held by kworker/0:9/4432:
#0: ffff888027b57138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc9000338fd20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffffffff8e299b68 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x15/0x30 net/ipv6/addrconf.c:4655
3 locks held by syz.2.602/5747:
#0: ffff88807e448460 (sb_writers#26){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
#1: ffff888072724850 (&type->i_mutex_dir_key#18){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff888072724850 (&type->i_mutex_dir_key#18){++++}-{3:3}, at: open_last_lookups fs/namei.c:3549 [inline]
#1: ffff888072724850 (&type->i_mutex_dir_key#18){++++}-{3:3}, at: path_openat+0x7b6/0x2e60 fs/namei.c:3782
#2: ffff8880728f5140 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2176 [inline]
#2: ffff8880728f5140 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_issue_checkpoint+0x2d2/0x4d0 fs/f2fs/checkpoint.c:1864
6 locks held by syz.2.602/5826:
#0: ffff88807e448460 (sb_writers#26){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:3010 [inline]
#0: ffff88807e448460 (sb_writers#26){.+.+}-{0:0}, at: vfs_fallocate+0x4ba/0x6b0 fs/open.c:322
#1: ffff888072725130 (&sb->s_type->i_mutex_key#33){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff888072725130 (&sb->s_type->i_mutex_key#33){+.+.}-{3:3}, at: f2fs_fallocate+0x22a/0x9f0 fs/f2fs/file.c:1817
#2: ffff8880728f5288 (&sbi->pin_sem){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2176 [inline]
#2: ffff8880728f5288 (&sbi->pin_sem){+.+.}-{3:3}, at: expand_inode_data+0x50e/0xaf0 fs/f2fs/file.c:1742
#3: ffff8880728f5140 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2176 [inline]
#3: ffff8880728f5140 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_balance_fs+0x4fb/0x6c0 fs/f2fs/segment.c:428
#4: ffff88805c00dcc8 (&sit_i->sentry_lock){++++}-{3:3}, at: check_valid_map fs/f2fs/gc.c:988 [inline]
#4: ffff88805c00dcc8 (&sit_i->sentry_lock){++++}-{3:3}, at: gc_data_segment fs/f2fs/gc.c:1540 [inline]
#4: ffff88805c00dcc8 (&sit_i->sentry_lock){++++}-{3:3}, at: do_garbage_collect+0x21ed/0x81f0 fs/f2fs/gc.c:1774
#5: ffff888072725708 (&fi->i_gc_rwsem[WRITE]){+.+.}-{3:3}, at: f2fs_down_write_trylock fs/f2fs/f2fs.h:2196 [inline]
#5: ffff888072725708 (&fi->i_gc_rwsem[WRITE]){+.+.}-{3:3}, at: gc_data_segment fs/f2fs/gc.c:1631 [inline]
#5: ffff888072725708 (&fi->i_gc_rwsem[WRITE]){+.+.}-{3:3}, at: do_garbage_collect+0x2ad8/0x81f0 fs/f2fs/gc.c:1774
2 locks held by syz.2.602/5831:
#0: ffff88807e448460 (sb_writers#26){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
#1: ffff888072725130 (&sb->s_type->i_mutex_key#33){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff888072725130 (&sb->s_type->i_mutex_key#33){+.+.}-{3:3}, at: process_measurement+0x446/0x21b0 security/integrity/ima/ima_main.c:242
2 locks held by kworker/0:19/6005:
#0: ffff888012472138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc900032efd20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
1 lock held by syz-executor/6690:
#0: ffffffff8e299b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e299b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6118
7 locks held by syz-executor/6796:
#0: ffff88807f030460 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x269/0xba0 fs/read_write.c:580
#1: ffff88804fc39488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1e7/0x4f0 fs/kernfs/file.c:321
#2: ffff888144b0c1d8 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20b/0x4f0 fs/kernfs/file.c:322
#3: ffffffff8dc0cf08 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xf8/0x480 drivers/net/netdevsim/bus.c:209
#4: ffff8880134cc0e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#4: ffff8880134cc0e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1080 [inline]
#4: ffff8880134cc0e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xb6/0x880 drivers/base/dd.c:1283
#5: ffff8880134ca2f8 (&devlink->lock_key#9){+.+.}-{3:3}, at: nsim_drv_remove+0x54/0x160 drivers/net/netdevsim/dev.c:1674
#6: ffffffff8d1301c0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x5f0 kernel/rcu/tree.c:4018
1 lock held by syz-executor/6817:
#0: ffffffff8e299b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e299b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6118
2 locks held by syz-executor/6841:
#0: ffffffff8e299b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e299b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6118
#1: ffffffff8d1302f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
#1: ffffffff8d1302f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x360/0x930 kernel/rcu/tree_exp.h:962
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.1.97-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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1143 Comm: kworker/u4:5 Not tainted 6.1.97-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: phy11 ieee80211_iface_work
RIP: 0010:ieee80211_can_run_worker net/mac80211/ieee80211_i.h:2323 [inline]
RIP: 0010:ieee80211_iface_work+0x128/0xce0 net/mac80211/iface.c:1676
Code: 48 83 c4 48 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 8d 9d 5c 07 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 60 0b 00 00 <0f> b6 1b 31 ff 89 de e8 3c 40 81 f7 85 db 74 07 e8 d3 3d 81 f7 eb
RSP: 0018:ffffc90004c47be0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88807f1d95dc RCX: ffff8880218fbb80
RDX: ffff8880218fbb80 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88807f1d8e80 R08: ffffffff8a0955ee R09: ffffed100fe3b565
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888073449848 R14: 0000000000000001 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffa4f831440 CR3: 000000000ce8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308