INFO: task syz-executor.5:27755 blocked for more than 143 seconds. Not tainted 6.7.0-syzkaller-04689-gea937f772083 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:27104 pid:27755 tgid:27755 ppid:5094 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5400 [inline] __schedule+0xf12/0x5c00 kernel/sched/core.c:6727 __schedule_loop kernel/sched/core.c:6802 [inline] schedule+0xe9/0x270 kernel/sched/core.c:6817 schedule_timeout+0x257/0x290 kernel/time/timer.c:2159 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116 __flush_work+0x523/0xa10 kernel/workqueue.c:3410 __cancel_work_timer+0x3ef/0x590 kernel/workqueue.c:3497 tls_sk_proto_close+0x4b1/0xac0 net/tls/tls_main.c:376 inet_release+0x132/0x270 net/ipv4/af_inet.c:433 inet6_release+0x4f/0x70 net/ipv6/af_inet6.c:485 __sock_release+0xae/0x260 net/socket.c:659 sock_close+0x1c/0x20 net/socket.c:1421 __fput+0x270/0xb70 fs/file_table.c:381 __fput_sync+0x47/0x50 fs/file_table.c:466 __do_sys_close fs/open.c:1554 [inline] __se_sys_close fs/open.c:1539 [inline] __x64_sys_close+0x87/0xf0 fs/open.c:1539 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7ff2f5e7bc9a RSP: 002b:00007ffedbf030c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff2f5e7bc9a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007ff2f5fad980 R08: 0000001b31860000 R09: 0000000000000001 R10: 00007ffedbfbc080 R11: 0000000000000293 R12: 0000000000273c45 R13: ffffffffffffffff R14: 00007ff2f5a00000 R15: 0000000000273904 INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-syzkaller-04689-gea937f772083 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x277/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xf87/0x1210 kernel/hung_task.c:379 kthread+0x2c6/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 31979 Comm: syz-executor.5 Not tainted 6.7.0-syzkaller-04689-gea937f772083 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:__mod_memcg_lruvec_state+0x12a/0x4e0 mm/memcontrol.c:867 Code: 89 04 24 65 4a 01 04 31 e8 83 d1 a1 08 49 8d bd 68 06 00 00 48 8b 04 24 48 b9 00 00 00 00 00 fc ff df 48 89 fe 48 8b 54 24 08 <48> c1 ee 03 80 3c 0e 00 0f 85 5b 03 00 00 48 83 fa 2d 4d 8b ad 68 RSP: 0018:ffffc90017f1f710 EFLAGS: 00000096 RAX: 0000000000000001 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: 0000000000000013 RSI: ffff888050fa4668 RDI: ffff888050fa4668 RBP: 0000000000000013 R08: 0000000000000000 R09: fffff94000348f00 R10: ffffea0001a47807 R11: dffffc0000000000 R12: ffff888050fa6950 R13: ffff888050fa4000 R14: 0000000000000098 R15: ffff888050fa6000 FS: 00007fd9d80a96c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002091b000 CR3: 0000000037c41000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lruvec_stat_mod_folio+0x1fb/0x380 mm/memcontrol.c:911 __filemap_add_folio+0x948/0xed0 mm/filemap.c:907 filemap_add_folio+0xb1/0x1e0 mm/filemap.c:938 __filemap_get_folio+0x463/0xaa0 mm/filemap.c:1927 ext4_da_write_begin+0x3c7/0x8c0 fs/ext4/inode.c:2891 generic_perform_write+0x278/0x600 mm/filemap.c:3928 ext4_buffered_write_iter+0x11f/0x3c0 fs/ext4/file.c:299 ext4_file_write_iter+0x819/0x1950 fs/ext4/file.c:698 call_write_iter include/linux/fs.h:2085 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0x64f/0xdf0 fs/read_write.c:590 ksys_write+0x12f/0x250 fs/read_write.c:643 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fd9d727cda9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd9d80a90c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fd9d73abf80 RCX: 00007fd9d727cda9 RDX: 000000000208e24b RSI: 0000000020001640 RDI: 0000000000000004 RBP: 00007fd9d72c947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fd9d73abf80 R15: 00007ffd15fabb98