INFO: task syz-executor407:5650 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor407 state:D stack:25224 pid:5650  tgid:5650  ppid:5645   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x171d/0x56f0 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7724
 rt_mutex_slowlock_block+0x540/0x6a0 kernel/locking/rtmutex.c:1670
 __rt_mutex_slowlock kernel/locking/rtmutex.c:1747 [inline]
 __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1787 [inline]
 rt_mutex_slowlock+0x2d4/0x780 kernel/locking/rtmutex.c:1827
 __rt_mutex_lock kernel/locking/rtmutex.c:1842 [inline]
 __mutex_lock_common kernel/locking/rtmutex_api.c:562 [inline]
 mutex_lock_nested+0x163/0x1d0 kernel/locking/rtmutex_api.c:580
 ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
 security_file_release+0x85/0x110 security/security.c:2446
 __fput+0x37c/0xa70 fs/file_table.c:506
 fput_close_sync+0x11f/0x240 fs/file_table.c:618
 filp_close_sync fs/open.c:1573 [inline]
 __do_sys_close fs/open.c:1596 [inline]
 __se_sys_close+0xa2/0x160 fs/open.c:1583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0a131aac4e
RSP: 002b:00007ffdc5bc3338 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000555571e49400 RCX: 00007f0a131aac4e
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000030d6d
R13: 0000000000030d9f R14: 00007f0a13247b4c R15: 00007f0a13247b40
 </TASK>

Showing all locks held in the system:
locks held by khungtaskd/38: 1, last CPU#0:
 #0: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #0: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6871
locks held by kworker/u8:7/186: 2, on CPU#1:
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline]
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578
 #1: ffffc900042afc40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #1: ffffc900042afc40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffffc900042afc40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline]
 #1: ffffc900042afc40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578
locks held by getty/5356: 2, on CPU#1:
 #0: ffff88803881a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900044c62e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360 drivers/tty/n_tty.c:2211
locks held by syz-executor407/5650: 1, on CPU#0:
 #0: ffff888013333758 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 #0: ffff888013333758 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
locks held by syz-executor407/5651: 1, last CPU#1:
 #0: ffff888013333758 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: process_measurement+0x7e0/0x1c20 security/integrity/ima/ima_main.c:319

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:123
 nmi_trigger_cpumask_backtrace+0x17d/0x390 lib/nmi_backtrace.c:66
 trigger_all_cpu_backtrace include/linux/nmi.h:164 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x135/0x170 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:377 [inline]
 watchdog+0x1073/0x10f0 kernel/hung_task.c:598
 kthread+0x38b/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5651 Comm: syz-executor407 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:sha256_transform_rorx+0x62e/0x1110 lib/crypto/x86/sha256-avx2-asm.S:600
Code: fd 70 d5 fa 44 09 e6 45 01 f2 c5 fd fe c1 44 01 f9 45 01 fa 41 01 f2 c5 bd 72 d2 0a 44 89 d6 c4 63 7b f0 e9 19 44 03 4c 3c 48 <c5> e5 73 d2 13 c4 63 7b f0 f1 0b 09 c6 45 89 c7 41 31 d7 c4 43 7b
RSP: 0018:ffffc90004c2eec0 EFLAGS: 00000282
RAX: 000000008df81323 RBX: 0000000076f44afd RCX: 00000000765866ef
RDX: 00000000bb5053ef RSI: 00000000ad4add23 RDI: 0000000000000000
RBP: ffffc90004c2f118 R08: 00000000dcddd0e3 R09: 00000000b71bf85e
R10: 00000000ad4add23 R11: 000000000904a383 R12: 0000000000040281
R13: 000000002c3377bb R14: 00000000ccd76ce1 R15: 0000000098530ffa
FS:  00007f0a1316e6c0(0000) GS:ffff888124818000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f4dce12168 CR3: 0000000032fb8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 sha256_blocks_avx2+0x3d/0x60 lib/crypto/x86/sha256.h:31
 sha256_blocks lib/crypto/x86/sha256.h:58 [inline]
 __sha256_update+0xef/0x150 lib/crypto/sha256.c:208
 sha256_update include/crypto/sha2.h:375 [inline]
 crypto_sha256_update+0x27/0x40 crypto/sha256.c:145
 crypto_shash_update include/crypto/hash.h:998 [inline]
 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:233 [inline]
 ima_calc_file_hash+0x497/0x8a0 security/integrity/ima/ima_crypto.c:280
 ima_collect_measurement+0x521/0xa10 security/integrity/ima/ima_api.c:300
 process_measurement+0x1282/0x1c20 security/integrity/ima/ima_main.c:425
 ima_file_check+0xdc/0x130 security/integrity/ima/ima_main.c:686
 security_file_post_open+0xb3/0x260 security/security.c:2776
 do_open fs/namei.c:4847 [inline]
 path_openat+0x174d/0x2100 fs/namei.c:5010
 do_file_open+0x23e/0x4a0 fs/namei.c:5039
 do_sys_openat2+0x115/0x200 fs/open.c:1442
 do_sys_open fs/open.c:1448 [inline]
 __do_sys_open fs/open.c:1456 [inline]
 __se_sys_open fs/open.c:1452 [inline]
 __x64_sys_open+0x11e/0x150 fs/open.c:1452
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0a13196869
Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 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 d0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0a1316e1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f0a13247b48 RCX: 00007f0a13196869
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000000
RBP: 00007f0a13247b40 R08: 33203a6b63617473 R09: 33203a6b63617473
R10: 33203a6b63617473 R11: 0000000000000246 R12: 00007f0a13218668
R13: 00002000000000c0 R14: 0000008002007ffb R15: 0000200000000000
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.179 msecs