INFO: task syz-executor.0:17927 blocked for more than 143 seconds.
      Not tainted 6.3.0-rc6-syzkaller-00016-g0d3eb744aed4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:26928 pid:17927 ppid:5097   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5307 [inline]
 __schedule+0xc91/0x5770 kernel/sched/core.c:6625
 schedule+0xde/0x1a0 kernel/sched/core.c:6701
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6760
 rwsem_down_write_slowpath+0x3e2/0x1220 kernel/locking/rwsem.c:1178
 __down_write_common kernel/locking/rwsem.c:1306 [inline]
 __down_write kernel/locking/rwsem.c:1315 [inline]
 down_write+0x1d2/0x200 kernel/locking/rwsem.c:1574
 inode_lock include/linux/fs.h:758 [inline]
 process_measurement+0x1813/0x1930 security/integrity/ima/ima_main.c:243
 ima_file_check+0xba/0x100 security/integrity/ima/ima_main.c:539
 do_open fs/namei.c:3562 [inline]
 path_openat+0x15d3/0x2750 fs/namei.c:3715
 do_filp_open+0x1ba/0x410 fs/namei.c:3742
 do_sys_openat2+0x16d/0x4c0 fs/open.c:1348
 do_sys_open fs/open.c:1364 [inline]
 __do_sys_openat fs/open.c:1380 [inline]
 __se_sys_openat fs/open.c:1375 [inline]
 __x64_sys_openat+0x143/0x1f0 fs/open.c:1375
 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: 0033:0x7fb426e8c169
RSP: 002b:00007fb427c4b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fb426fac120 RCX: 00007fb426e8c169
RDX: 0b00000000065808 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007fb426ee7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdc2b2bc4f R14: 00007fb427c4b300 R15: 0000000000022000
 </TASK>

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
 #0: ffffffff8c791ab0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:510
1 lock held by rcu_tasks_trace/12:
 #0: ffffffff8c7917b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:510
1 lock held by khungtaskd/27:
 #0: ffffffff8c792600 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6495
2 locks held by getty/4744:
 #0: ffff88802be07098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
 #1: ffffc900020382f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
3 locks held by syz-fuzzer/5085:
 #0: ffff88814b3c0460 (sb_writers#5){.+.+}-{0:0}, at: do_unlinkat+0x18c/0x670 fs/namei.c:4297
 #1: ffff888084b9f4c0 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline]
 #1: ffff888084b9f4c0 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: do_unlinkat+0x27c/0x670 fs/namei.c:4301
 #2: ffff88807430b7c0 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
 #2: ffff88807430b7c0 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: vfs_unlink+0xd9/0x930 fs/namei.c:4239
4 locks held by syz-executor.0/17915:
2 locks held by syz-executor.0/17920:
1 lock held by syz-executor.0/17927:
 #0: ffff88807430b7c0 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
 #0: ffff88807430b7c0 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: process_measurement+0x1813/0x1930 security/integrity/ima/ima_main.c:243

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

NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.3.0-rc6-syzkaller-00016-g0d3eb744aed4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x29c/0x350 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x2a4/0x300 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+0xe16/0x1090 kernel/hung_task.c:379
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 17920 Comm: syz-executor.0 Not tainted 6.3.0-rc6-syzkaller-00016-g0d3eb744aed4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: a6 06 8d 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be a8 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <f3> 0f 1e fa 65 8b 05 ad bc 81 7e 89 c1 48 8b 34 24 81 e1 00 01 00
RSP: 0018:ffffc90014536578 EFLAGS: 00000282
RAX: 0000000000000002 RBX: ffff888144608a78 RCX: ffffffff81b3942c
RDX: ffff888029e62100 RSI: 0000000000000000 RDI: 0000000000000007
RBP: ffffea00023d2480 R08: 0000000000000007 R09: 0000000000001000
R10: ffff888084b32a02 R11: 0000000000000000 R12: 0000000000000000
R13: ffff888084b32a02 R14: 0000000000000002 R15: ffffea00023d24b4
FS:  00007fb427c6c700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c01a6ae040 CR3: 000000002b730000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __remove_mapping+0x42c/0xb80 mm/vmscan.c:1414
 shrink_folio_list+0x1316/0x3c80 mm/vmscan.c:2044
 evict_folios+0x794/0x1940 mm/vmscan.c:5121
 try_to_shrink_lruvec+0x82c/0xb90 mm/vmscan.c:5297
 lru_gen_shrink_lruvec mm/vmscan.c:5435 [inline]
 shrink_lruvec+0x216/0x2810 mm/vmscan.c:6216
 shrink_node_memcgs mm/vmscan.c:6437 [inline]
 shrink_node+0x78e/0x35f0 mm/vmscan.c:6473
 shrink_zones mm/vmscan.c:6711 [inline]
 do_try_to_free_pages+0x3b4/0x17b0 mm/vmscan.c:6773
 try_to_free_mem_cgroup_pages+0x368/0x840 mm/vmscan.c:7088
 reclaim_high.constprop.0+0x182/0x230 mm/memcontrol.c:2403
 mem_cgroup_handle_over_high+0x190/0x520 mm/memcontrol.c:2588
 try_charge_memcg+0xeaf/0x13b0 mm/memcontrol.c:2826
 try_charge mm/memcontrol.c:2837 [inline]
 charge_memcg+0x90/0x3b0 mm/memcontrol.c:6960
 __mem_cgroup_charge+0x2b/0x90 mm/memcontrol.c:6981
 mem_cgroup_charge include/linux/memcontrol.h:678 [inline]
 __filemap_add_folio+0x615/0xe60 mm/filemap.c:857
 filemap_add_folio+0xaf/0x1e0 mm/filemap.c:939
 page_cache_ra_unbounded+0x1d2/0x5e0 mm/readahead.c:251
 do_page_cache_ra mm/readahead.c:300 [inline]
 page_cache_ra_order+0x6ec/0xa00 mm/readahead.c:560
 do_sync_mmap_readahead mm/filemap.c:3190 [inline]
 filemap_fault+0x152d/0x2450 mm/filemap.c:3282
 __do_fault+0x107/0x600 mm/memory.c:4155
 do_read_fault mm/memory.c:4506 [inline]
 do_fault mm/memory.c:4635 [inline]
 handle_pte_fault mm/memory.c:4923 [inline]
 __handle_mm_fault+0x24f3/0x3e60 mm/memory.c:5065
 handle_mm_fault+0x2ba/0x9c0 mm/memory.c:5211
 faultin_page mm/gup.c:925 [inline]
 __get_user_pages+0x4da/0xf30 mm/gup.c:1147
 populate_vma_page_range+0x2df/0x420 mm/gup.c:1543
 __mm_populate+0x105/0x3b0 mm/gup.c:1652
 mm_populate include/linux/mm.h:3026 [inline]
 vm_mmap_pgoff+0x201/0x280 mm/util.c:547
 ksys_mmap_pgoff+0x41f/0x5a0 mm/mmap.c:1410
 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: 0033:0x7fb426e8c169
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:00007fb427c6c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fb426fac050 RCX: 00007fb426e8c169
RDX: 0000000002000002 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007fb426ee7ca1 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdc2b2bc4f R14: 00007fb427c6c300 R15: 0000000000022000
 </TASK>