INFO: task syz-executor.3:22624 blocked for more than 143 seconds.
Not tainted 6.3.0-syzkaller-07919-g6e98b09da931 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D
stack:26968 pid:22624 ppid:5027 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5307 [inline]
__schedule+0x173b/0x4630 kernel/sched/core.c:6625
schedule+0xc3/0x180 kernel/sched/core.c:6701
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6760
rwsem_down_write_slowpath+0xedd/0x13a0 kernel/locking/rwsem.c:1178
__down_write_common+0x1aa/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:761 [inline]
process_measurement+0x435/0x1ce0 security/integrity/ima/ima_main.c:243
ima_file_check+0xf1/0x170 security/integrity/ima/ima_main.c:539
do_open fs/namei.c:3562 [inline]
path_openat+0x280a/0x3170 fs/namei.c:3715
do_filp_open+0x234/0x490 fs/namei.c:3742
do_sys_openat2+0x13f/0x500 fs/open.c:1356
do_sys_open fs/open.c:1372 [inline]
__do_sys_open fs/open.c:1380 [inline]
__se_sys_open fs/open.c:1376 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1376
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f753908c169
RSP: 002b:00007f7539e42168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f75391ac120 RCX: 00007f753908c169
RDX: 0000000000000000 RSI: 0000000000040542 RDI: 0000000020000100
RBP: 00007f75390e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeb88e277f R14: 00007f7539e42300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8cf26030 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8cf263f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by khungtaskd/28:
#0: ffffffff8cf25e60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4736:
#0: ffff888028946098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2177
1 lock held by syz-executor.2/5015:
#0: ffffffff8cf2b538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#0: ffffffff8cf2b538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3a3/0x890 kernel/rcu/tree_exp.h:992
2 locks held by kworker/0:27/8709:
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2363
#1: ffffc9000b1a7d20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2365
4 locks held by kworker/u4:10/11223:
#0: ffff88814510d138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2363
#1: ffffc900172dfd20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2365
#2: ffff88807ed8e0e0 (&type->s_umount_key#54){++++}-{3:3}, at: trylock_super+0x1f/0xf0 fs/super.c:414
#3: ffff888034af92a8 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2112 [inline]
#3: ffff888034af92a8 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_balance_fs+0x51a/0x6f0 fs/f2fs/segment.c:435
5 locks held by syz-executor.3/22616:
1 lock held by syz-executor.3/22624:
#0: ffff888034f20a28 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline]
#0: ffff888034f20a28 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: process_measurement+0x435/0x1ce0 security/integrity/ima/ima_main.c:243
2 locks held by syz-executor.3/24600:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.3.0-syzkaller-07919-g6e98b09da931 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x187/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xec2/0xf00 kernel/hung_task.c:379
kthread+0x2b2/0x350 kernel/kthread.c:379
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: 22616 Comm: syz-executor.3 Not tainted 6.3.0-syzkaller-07919-g6e98b09da931 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:183 [inline]
RIP: 0010:unwind_next_frame+0x1e8/0x2180 arch/x86/kernel/unwind_orc.c:467
Code: e2 65 0b 00 44 0f 45 e9 41 8d 45 ff 39 e8 0f 86 f5 18 00 00 89 e8 48 8d 1c 85 18 77 69 8f 48 89 d8 48 c1 e8 03 42 0f b6 04 30 <84> c0 0f 85 b8 1a 00 00 44 8b 23 89 e8 ff c0 48 8d 1c 85 18 77 69
RSP: 0018:ffffc900055b6530 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: ffffffff8f6d374c RCX: 000000000009e001
RDX: dffffc0000000000 RSI: ffffffff81f00d1b RDI: ffffffff813cac27
RBP: 000000000000f00d R08: 000000000000000f R09: ffffc900055b66f0
R10: ffffc900055b6650 R11: dffffc0000000001 R12: ffffc900055b6635
R13: 000000000009e001 R14: dffffc0000000000 R15: ffffffff81f00d1a
FS: 00007f7539e84700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff755786058 CR3: 000000007651a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
arch_stack_walk+0x111/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x117/0x1c0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4f/0x70 mm/kasan/common.c:52
__kasan_slab_alloc+0x66/0x70 mm/kasan/common.c:328
kasan_slab_alloc include/linux/kasan.h:186 [inline]
slab_post_alloc_hook+0x68/0x3a0 mm/slab.h:710
slab_alloc_node mm/slub.c:3452 [inline]
slab_alloc mm/slub.c:3460 [inline]
__kmem_cache_alloc_lru mm/slub.c:3467 [inline]
kmem_cache_alloc+0x11f/0x2e0 mm/slub.c:3476
mempool_alloc+0x194/0x580 mm/mempool.c:398
bio_alloc_bioset+0x26b/0x13f0 block/bio.c:543
f2fs_grab_read_bio+0x296/0x700 fs/f2fs/data.c:1058
f2fs_submit_page_read+0xaa/0x150 fs/f2fs/data.c:1103
f2fs_get_read_data_page+0x50e/0x850 fs/f2fs/data.c:1287
gc_data_segment fs/f2fs/gc.c:1598 [inline]
do_garbage_collect+0x484a/0x81e0 fs/f2fs/gc.c:1765
f2fs_gc+0xea8/0x3090 fs/f2fs/gc.c:1865
f2fs_balance_fs+0x525/0x6f0 fs/f2fs/segment.c:436
f2fs_map_blocks+0x3ced/0x4710 fs/f2fs/data.c:1781
f2fs_expand_inode_data+0x567/0xaf0 fs/f2fs/file.c:1745
f2fs_fallocate+0x400/0x6d0 fs/f2fs/file.c:1840
vfs_fallocate+0x54b/0x6b0 fs/open.c:324
ksys_fallocate fs/open.c:347 [inline]
__do_sys_fallocate fs/open.c:355 [inline]
__se_sys_fallocate fs/open.c:353 [inline]
__x64_sys_fallocate+0xbd/0x100 fs/open.c:353
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f753908c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7539e84168 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f75391abf80 RCX: 00007f753908c169
RDX: 000000000000dc8b RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f75390e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeb88e277f R14: 00007f7539e84300 R15: 0000000000022000