INFO: task jfsCommit:121 blocked for more than 143 seconds. Not tainted 6.0.0-syzkaller-09423-g493ffd6605b2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jfsCommit state:D stack:23960 pid: 121 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5183 [inline] __schedule+0x91f/0xdf0 kernel/sched/core.c:6495 schedule+0xcb/0x190 kernel/sched/core.c:6571 io_schedule+0x83/0x100 kernel/sched/core.c:8715 __lock_metapage+0x209/0x330 fs/jfs/jfs_metapage.c:50 lock_metapage fs/jfs/jfs_metapage.c:64 [inline] __get_metapage+0x849/0xff0 fs/jfs/jfs_metapage.c:639 diIAGRead+0xca/0x130 fs/jfs/jfs_imap.c:2662 diFree+0x8fa/0x2c90 fs/jfs/jfs_imap.c:955 jfs_evict_inode+0x323/0x440 fs/jfs/inode.c:156 evict+0x2a4/0x620 fs/inode.c:664 txUpdateMap+0x8eb/0xaa0 fs/jfs/jfs_txnmgr.c:2362 txLazyCommit fs/jfs/jfs_txnmgr.c:2659 [inline] jfs_lazycommit+0x433/0xba0 fs/jfs/jfs_txnmgr.c:2727 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 INFO: lockdep is turned off. NMI backtrace for cpu 1 CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.0.0-syzkaller-09423-g493ffd6605b2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 nmi_cpu_backtrace+0x425/0x450 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x169/0x280 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline] watchdog+0xcd5/0xd20 kernel/hung_task.c:369 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 3637 Comm: syz-executor.2 Not tainted 6.0.0-syzkaller-09423-g493ffd6605b2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:hrtimer_clockid_to_base kernel/time/hrtimer.c:1532 [inline] RIP: 0010:__hrtimer_init+0xb2/0x250 kernel/time/hrtimer.c:1570 Code: 00 00 89 ee e8 2f c1 10 00 83 fd 0f 0f 87 85 01 00 00 e8 01 bd 10 00 48 8d 3c 9d 80 e8 8f 8a 48 89 f8 48 c1 e8 03 42 8a 04 28 <84> c0 0f 85 1a 01 00 00 41 bd 7c f7 00 00 89 d9 49 d3 ed 4c 89 ee RSP: 0018:ffffc90004e7fcf8 EFLAGS: 00000a03 RAX: 1ffffffff151fd00 RBX: 0000000000000001 RCX: ffff888025d28000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff8a8fe884 RBP: 0000000000000001 R08: ffffffff8175c441 R09: ffffc90004e7fd80 R10: fffff520009cffb8 R11: 1ffff920009cffb0 R12: 0000000000000000 R13: dffffc0000000000 R14: ffffc90004e7fd80 R15: 0000000000000001 FS: 00005555574ff400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2d6b58a723 CR3: 000000002eb09000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __hrtimer_init_sleeper kernel/time/hrtimer.c:1996 [inline] hrtimer_init_sleeper_on_stack kernel/time/hrtimer.c:446 [inline] hrtimer_nanosleep+0x144/0x470 kernel/time/hrtimer.c:2095 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1276 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1254 [inline] __x64_sys_clock_nanosleep+0x344/0x3d0 kernel/time/posix-timers.c:1254 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd055eb02d1 Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 aa e7 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 e3 e7 ff ff 48 8b 04 24 eb 97 66 2e 0f 1f RSP: 002b:00007ffc7a98fdd0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 000000000000203e RCX: 00007fd055eb02d1 RDX: 00007ffc7a98fe10 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffc7a98fe9c R08: 0000000000000000 R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032 R13: 000000000019dd20 R14: 0000000000000000 R15: 00007ffc7a98ff00