INFO: task jfsCommit:122 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:26616 pid: 122 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 0 CPU: 0 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 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3915 Comm: syz-fuzzer Not tainted 6.0.0-syzkaller-09423-g493ffd6605b2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0033:0x529824 Code: 84 00 00 00 00 00 48 39 d0 0f 85 b6 00 00 00 48 8d 05 30 60 4f 00 e8 4b 39 ee ff 48 89 44 24 68 48 8b 8c 24 90 00 00 00 84 01 <83> 3d 35 9b a0 01 00 75 18 48 8b 11 48 89 10 0f 10 41 08 0f 11 40 RSP: 002b:000000c020254d80 EFLAGS: 00000202 RAX: 000000c029604810 RBX: 000000000000008f RCX: 000000c0071fd770 RDX: 0000000000000000 RSI: 0000000000000028 RDI: 0000000000000000 RBP: 000000c020254e28 R08: 0000000000000008 R09: 0000000000000028 R10: 0000000000000008 R11: 0000000000c8bba0 R12: 000000000020300a R13: 000000000020300a R14: 000000c000083520 R15: 00007ff6c9cc7242 FS: 000000c0221f7c90 GS: 0000000000000000