INFO: task syz-executor.0:5886 blocked for more than 144 seconds.
Not tainted 6.2.0-rc3-syzkaller-00030-ge8f60cd7db24 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:25912 pid:5886 ppid:5100 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
io_schedule+0xbe/0x130 kernel/sched/core.c:8811
folio_wait_bit_common+0x394/0x9b0 mm/filemap.c:1297
__folio_lock mm/filemap.c:1660 [inline]
folio_lock include/linux/pagemap.h:938 [inline]
folio_lock include/linux/pagemap.h:934 [inline]
__filemap_get_folio+0xb71/0xd80 mm/filemap.c:1932
pagecache_get_page+0x2e/0x280 mm/folio-compat.c:98
find_or_create_page include/linux/pagemap.h:612 [inline]
grab_cache_page include/linux/pagemap.h:742 [inline]
grab_tail_page fs/reiserfs/inode.c:2201 [inline]
reiserfs_truncate_file+0x5bb/0x1070 fs/reiserfs/inode.c:2269
reiserfs_setattr+0xed3/0x1460 fs/reiserfs/inode.c:3395
notify_change+0xca7/0x1420 fs/attr.c:482
do_truncate+0x143/0x200 fs/open.c:65
do_sys_ftruncate+0x51f/0x710 fs/open.c:193
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f841288c0c9
RSP: 002b:00007f84136bd168 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007f84129abf80 RCX: 00007f841288c0c9
RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000000000000006
RBP: 00007f84128e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29e321bf R14: 00007f84136bd300 R15: 0000000000022000
INFO: task syz-executor.0:5912 blocked for more than 144 seconds.
Not tainted 6.2.0-rc3-syzkaller-00030-ge8f60cd7db24 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28288 pid:5912 ppid:5100 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
rwsem_down_write_slowpath+0x600/0x12e0 kernel/locking/rwsem.c:1190
__down_write_common kernel/locking/rwsem.c:1305 [inline]
__down_write_common kernel/locking/rwsem.c:1302 [inline]
__down_write kernel/locking/rwsem.c:1314 [inline]
down_write+0x1e8/0x220 kernel/locking/rwsem.c:1563
inode_lock include/linux/fs.h:756 [inline]
process_measurement+0x1737/0x18b0 security/integrity/ima/ima_main.c:241
ima_file_check+0xb0/0x100 security/integrity/ima/ima_main.c:519
do_open fs/namei.c:3559 [inline]
path_openat+0x15f1/0x2a50 fs/namei.c:3714
do_filp_open+0x1ba/0x410 fs/namei.c:3741
do_sys_openat2+0x16d/0x4c0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_open fs/open.c:1334 [inline]
__se_sys_open fs/open.c:1330 [inline]
__x64_sys_open+0x11d/0x1c0 fs/open.c:1330
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f841288c0c9
RSP: 002b:00007f841369c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f84129ac050 RCX: 00007f841288c0c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007f84128e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29e321bf R14: 00007f841369c300 R15: 0000000000022000
INFO: task syz-executor.0:5914 blocked for more than 145 seconds.
Not tainted 6.2.0-rc3-syzkaller-00030-ge8f60cd7db24 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:25576 pid:5914 ppid:5100 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6690
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
reiserfs_get_block+0x1f6/0x4150 fs/reiserfs/inode.c:680
do_mpage_readpage+0x765/0x19e0 fs/mpage.c:208
mpage_readahead+0x344/0x580 fs/mpage.c:361
read_pages+0x1a2/0xd40 mm/readahead.c:161
page_cache_ra_unbounded+0x477/0x5e0 mm/readahead.c:270
do_page_cache_ra mm/readahead.c:300 [inline]
page_cache_ra_order+0x6ec/0xa00 mm/readahead.c:560
ondemand_readahead+0x6b3/0x1000 mm/readahead.c:682
page_cache_sync_ra+0x1c9/0x200 mm/readahead.c:709
page_cache_sync_readahead include/linux/pagemap.h:1210 [inline]
filemap_get_pages+0x2ca/0x16b0 mm/filemap.c:2600
filemap_read+0x315/0xc00 mm/filemap.c:2694
generic_file_read_iter+0x3ad/0x5b0 mm/filemap.c:2840
call_read_iter include/linux/fs.h:2183 [inline]
generic_file_splice_read+0x182/0x4b0 fs/splice.c:309
do_splice_to+0x1b9/0x240 fs/splice.c:793
splice_direct_to_actor+0x2ab/0x8a0 fs/splice.c:865
do_splice_direct+0x1ab/0x280 fs/splice.c:974
do_sendfile+0xb19/0x1270 fs/read_write.c:1255
__do_sys_sendfile64 fs/read_write.c:1323 [inline]
__se_sys_sendfile64 fs/read_write.c:1309 [inline]
__x64_sys_sendfile64+0x1d0/0x210 fs/read_write.c:1309
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f841288c0c9
RSP: 002b:00007f841367b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f84129ac120 RCX: 00007f841288c0c9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f84128e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 00008400fffffffa R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29e321bf R14: 00007f841367b300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c790f30 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8c790c30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
3 locks held by kworker/1:1/26:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc90000a1fda8 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffff88803d0a9240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x1d5/0x24a0 drivers/net/netdevsim/fib.c:1489
1 lock held by khungtaskd/28:
#0: ffffffff8c791a80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494
2 locks held by getty/4747:
#0: ffff888027837098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900015b02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
4 locks held by kworker/0:7/5166:
#0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc9000449fda8 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffff888080c500e0 (&type->s_umount_key#61){.+.+}-{3:3}, at: flush_old_commits+0x7c/0x200 fs/reiserfs/super.c:97
#3: ffff888021db9090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
4 locks held by syz-executor.0/5886:
#0: ffff888080c50460 (sb_writers#19){.+.+}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline]
#0: ffff888080c50460 (sb_writers#19){.+.+}-{0:0}, at: do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
#1: ffff888086ad1020 (&sb->s_type->i_mutex_key#25){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888086ad1020 (&sb->s_type->i_mutex_key#25){+.+.}-{3:3}, at: do_truncate+0x131/0x200 fs/open.c:63
#2: ffff888086ad0df8 (&ei->tailpack){+.+.}-{3:3}, at: reiserfs_setattr+0xe9d/0x1460 fs/reiserfs/inode.c:3393
#3: ffff888021db9090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
1 lock held by syz-executor.0/5912:
#0: ffff888086ad1020 (&sb->s_type->i_mutex_key#25){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#0: ffff888086ad1020 (&sb->s_type->i_mutex_key#25){+.+.}-{3:3}, at: process_measurement+0x1737/0x18b0 security/integrity/ima/ima_main.c:241
3 locks held by syz-executor.0/5914:
#0: ffff888080c50460 (sb_writers#19){.+.+}-{0:0}, at: __do_sys_sendfile64 fs/read_write.c:1323 [inline]
#0: ffff888080c50460 (sb_writers#19){.+.+}-{0:0}, at: __se_sys_sendfile64 fs/read_write.c:1309 [inline]
#0: ffff888080c50460 (sb_writers#19){.+.+}-{0:0}, at: __x64_sys_sendfile64+0x1d0/0x210 fs/read_write.c:1309
#1: ffff888086ad11c0 (mapping.invalidate_lock#5){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline]
#1: ffff888086ad11c0 (mapping.invalidate_lock#5){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226
#2: ffff888021db9090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
4 locks held by kworker/u4:19/7427:
#0: ffff8880125df938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8880125df938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8880125df938 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff8880125df938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff8880125df938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff8880125df938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc90014b07da8 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffffffff8e0a9d50 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9f/0xb10 net/core/net_namespace.c:568
#3: ffffffff8c79c600 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x6d0 kernel/rcu/tree.c:3997
2 locks held by cmp/7816:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc3-syzkaller-00030-ge8f60cd7db24 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x333/0x3c0 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+0xc75/0xfc0 kernel/hung_task.c:377
kthread+0x2e8/0x3a0 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: 7744 Comm: kworker/u4:26 Not tainted 6.2.0-rc3-syzkaller-00030-ge8f60cd7db24 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: bat_events batadv_nc_worker
RIP: 0010:rcu_preempt_read_exit kernel/rcu/tree_plugin.h:382 [inline]
RIP: 0010:__rcu_read_unlock+0x31/0x5b0 kernel/rcu/tree_plugin.h:421
Code: 55 41 54 55 65 48 8b 2c 25 00 ac 03 00 53 48 8d bd 3c 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 24 02 00 00 65
RSP: 0018:ffffc900172e7c58 EFLAGS: 00000217
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff89950ef2 RDI: ffff8880839f3ebc
RBP: ffff8880839f3a80 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000000 R14: dffffc0000000000 R15: 00000000000000f1
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0ee2b09dd0 CR3: 000000000c48e000 CR4: 0000000000350ee0
Call Trace:
rcu_read_unlock include/linux/rcupdate.h:796 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline]
batadv_nc_worker+0x857/0xfa0 net/batman-adv/network-coding.c:719
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308