INFO: task syz.3.29:5482 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc5-syzkaller-00253-gde0a9f448633 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.29        state:D stack:13200 pid:5482  tgid:5481  ppid:5096   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x1796/0x49d0 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
 __down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
 inode_lock include/linux/fs.h:791 [inline]
 bch2_direct_write+0x243/0x3050 fs/bcachefs/fs-io-direct.c:598
 bch2_write_iter+0x206/0x2840 fs/bcachefs/fs-io-buffered.c:1135
 do_iter_readv_writev+0x5a4/0x800
 vfs_writev+0x395/0xbe0 fs/read_write.c:971
 do_pwritev fs/read_write.c:1072 [inline]
 __do_sys_pwritev2 fs/read_write.c:1131 [inline]
 __se_sys_pwritev2+0x1ca/0x2d0 fs/read_write.c:1122
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa2fe175b99
RSP: 002b:00007fa2fefc8048 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007fa2fe303fa0 RCX: 00007fa2fe175b99
RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000005
RBP: 00007fa2fe1f677e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fa2fe303fa0 R15: 00007ffc34c35008
 </TASK>
INFO: task syz.3.29:5531 blocked for more than 144 seconds.
      Not tainted 6.10.0-rc5-syzkaller-00253-gde0a9f448633 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.29        state:D stack:27392 pid:5531  tgid:5481  ppid:5096   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x1796/0x49d0 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
 __down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
 inode_lock include/linux/fs.h:791 [inline]
 bch2_fallocate_dispatch+0x295/0x3810 fs/bcachefs/fs-io.c:774
 vfs_fallocate+0x564/0x6c0 fs/open.c:330
 ksys_fallocate fs/open.c:353 [inline]
 __do_sys_fallocate fs/open.c:361 [inline]
 __se_sys_fallocate fs/open.c:359 [inline]
 __x64_sys_fallocate+0xbd/0x110 fs/open.c:359
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa2fe175b99
RSP: 002b:00007fa2fef86048 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007fa2fe304150 RCX: 00007fa2fe175b99
RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000005
RBP: 00007fa2fe1f677e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fa2fe304150 R15: 00007ffc34c35008
 </TASK>
INFO: task syz.3.29:5532 blocked for more than 144 seconds.
      Not tainted 6.10.0-rc5-syzkaller-00253-gde0a9f448633 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.29        state:D stack:26264 pid:5532  tgid:5481  ppid:5096   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x1796/0x49d0 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
 __down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
 inode_lock include/linux/fs.h:791 [inline]
 process_measurement+0x43c/0x1fb0 security/integrity/ima/ima_main.c:250
 ima_file_check+0xf2/0x170 security/integrity/ima/ima_main.c:572
 security_file_post_open+0x6d/0xa0 security/security.c:2982
 do_open fs/namei.c:3652 [inline]
 path_openat+0x28f6/0x3280 fs/namei.c:3807
 do_filp_open+0x235/0x490 fs/namei.c:3834
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1405
 do_sys_open fs/open.c:1420 [inline]
 __do_sys_openat fs/open.c:1436 [inline]
 __se_sys_openat fs/open.c:1431 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1431
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa2fe175b99
RSP: 002b:00007fa2fef65048 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fa2fe304228 RCX: 00007fa2fe175b99
RDX: 000000000006b142 RSI: 0000000020004400 RDI: ffffffffffffff9c
RBP: 00007fa2fe1f677e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fa2fe304228 R15: 00007ffc34c35008
 </TASK>

Showing all locks held in the system:
1 lock held by pool_workqueue_/3:
 #0: ffffffff8e339338 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
 #0: ffffffff8e339338 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:939
2 locks held by kworker/1:0/25:
 #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
 #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
 #1: ffffc900001f7d00 (free_ipc_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline]
 #1: ffffc900001f7d00 (free_ipc_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
1 lock held by khungtaskd/30:
 #0: ffffffff8e333f60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 #0: ffffffff8e333f60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
 #0: ffffffff8e333f60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
5 locks held by kworker/u8:8/2429:
 #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
 #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
 #1: ffffc90008d67d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline]
 #1: ffffc90008d67d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
 #2: ffffffff8f5c8450 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594
 #3: ffffffff8f5d4c88 (rtnl_mutex){+.+.}-{3:3}, at: default_device_exit_batch+0xe9/0xa90 net/core/dev.c:11746
 #4: ffffffff8e339338 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
 #4: ffffffff8e339338 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:939
1 lock held by dhcpcd/4753:
 #0: ffffffff8f5d4c88 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x2ce/0x1bc0 net/ipv4/devinet.c:1101
2 locks held by getty/4844:
 #0: ffff88802f1480a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211
3 locks held by kworker/1:6/5183:
 #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
 #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
 #1: ffffc900043d7d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline]
 #1: ffffc900043d7d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
 #2: ffffffff8f5d4c88 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
2 locks held by syz.3.29/5482:
 #0: ffff88802e876420 (sb_writers#16){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2854 [inline]
 #0: ffff88802e876420 (sb_writers#16){.+.+}-{0:0}, at: vfs_writev+0x2d9/0xbe0 fs/read_write.c:969
 #1: ffff888078233528 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
 #1: ffff888078233528 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: bch2_direct_write+0x243/0x3050 fs/bcachefs/fs-io-direct.c:598
3 locks held by syz.3.29/5525:
 #0: ffff88802e62eac8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x24e/0x310 fs/file.c:1191
 #1: ffff88802e876420 (sb_writers#16){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2854 [inline]
 #1: ffff88802e876420 (sb_writers#16){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586
 #2: ffff888078233528 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
 #2: ffff888078233528 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: bch2_direct_write+0x243/0x3050 fs/bcachefs/fs-io-direct.c:598
2 locks held by syz.3.29/5531:
 #0: ffff88802e876420 (sb_writers#16){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2854 [inline]
 #0: ffff88802e876420 (sb_writers#16){.+.+}-{0:0}, at: vfs_fallocate+0x4d3/0x6c0 fs/open.c:329
 #1: ffff888078233528 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
 #1: ffff888078233528 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: bch2_fallocate_dispatch+0x295/0x3810 fs/bcachefs/fs-io.c:774
1 lock held by syz.3.29/5532:
 #0: ffff888078233528 (&sb->s_type->i_mutex_key#23
){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
){+.+.}-{3:3}, at: process_measurement+0x43c/0x1fb0 security/integrity/ima/ima_main.c:250
1 lock held by syz-executor/6082:
 #0: ffff888061b7a0e0 (&type->s_umount_key#87){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline]
 #0: ffff888061b7a0e0 (&type->s_umount_key#87){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
 #0: ffff888061b7a0e0 (&type->s_umount_key#87){+.+.}-{3:3}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
1 lock held by syz-executor/7896:
 #0: ffffffff8f5d4c88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
 #0: ffffffff8f5d4c88 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632
1 lock held by syz.4.302/8057:

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc5-syzkaller-00253-gde0a9f448633 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
 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:162 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
 watchdog+0xfde/0x1020 kernel/hung_task.c:379
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2444 Comm: kworker/u8:10 Not tainted 6.10.0-rc5-syzkaller-00253-gde0a9f448633 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: bat_events batadv_nc_worker
RIP: 0010:debug_lockdep_rcu_enabled+0x0/0x40 kernel/rcu/update.c:319
Code: ca 8b 48 c7 c6 00 de ca 8b e8 7c 27 db f5 90 0f 0b 90 90 90 eb c6 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 31 c0 83 3d b7 f7 2e 04 00 74 1e 83 3d f6 28 2f 04 00
RSP: 0018:ffffc90008d97b50 EFLAGS: 00000293
RAX: ffffffff8b47c277 RBX: ffff88807e988b80 RCX: ffff888029a90000
RDX: 0000000000000000 RSI: ffffffff8c1f1760 RDI: ffffffff8c1f1720
RBP: 0000000000000000 R08: ffffffff8b47c191 R09: 1ffffffff25ee2b0
R10: dffffc0000000000 R11: fffffbfff25ee2b1 R12: ffff88801dc08ca0
R13: 00000000000001b9 R14: ffff88807e988b80 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b27c4bc018 CR3: 000000000e132000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 rcu_read_unlock include/linux/rcupdate.h:810 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline]
 batadv_nc_worker+0x1f3/0x610 net/batman-adv/network-coding.c:719
 process_one_work kernel/workqueue.c:3248 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329
 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>