INFO: task syz-executor.0:4097 blocked for more than 143 seconds. Not tainted 6.1.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:26776 pid:4097 ppid:4078 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5191 [inline] __schedule+0x8fc/0xda0 kernel/sched/core.c:6503 schedule+0xcb/0x190 kernel/sched/core.c:6579 schedule_timeout+0xac/0x300 kernel/time/timer.c:1911 do_wait_for_common+0x3ea/0x560 kernel/sched/completion.c:85 __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x46/0x60 kernel/sched/completion.c:138 xfs_buf_iowait fs/xfs/xfs_buf.c:1611 [inline] __xfs_buf_submit+0x3fe/0x730 fs/xfs/xfs_buf.c:1691 xfs_buf_submit fs/xfs/xfs_buf.c:60 [inline] xfs_buf_read_uncached+0x22c/0x3d0 fs/xfs/xfs_buf.c:925 xfs_readsb+0x217/0x6e0 fs/xfs/xfs_mount.c:179 xfs_fs_fill_super+0x4c6/0x11f0 fs/xfs/xfs_super.c:1515 get_tree_bdev+0x400/0x620 fs/super.c:1323 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x289/0xad0 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5158e89049 RSP: 002b:00007f5159f5c168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f5158f9bf60 RCX: 00007f5158e89049 RDX: 0000000020000140 RSI: 0000000020000000 RDI: 00000000200000c0 RBP: 00007f5158ee308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000008002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe6e77f2df R14: 00007f5159f5c300 R15: 0000000000022000 INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 nmi_cpu_backtrace+0x4e3/0x560 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x19b/0x3e0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0xcf5/0xd40 kernel/hung_task.c:377 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: 956 Comm: kworker/u4:4 Not tainted 6.1.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline] RIP: 0010:flush_tlb_mm_range+0x444/0x5a0 arch/x86/mm/tlb.c:1019 Code: 53 00 48 8b 7c 24 20 e8 ea f4 ff ff e8 e5 33 53 00 fb 65 ff 0d 25 3f c5 7e bf 01 00 00 00 e8 d3 9a 1f 00 65 8b 05 d4 39 c5 7e <85> c0 74 48 48 c7 44 24 40 0e 36 e0 45 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc90004947700 EFLAGS: 00000093 RAX: 0000000080000001 RBX: 0000000000000000 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 RBP: ffffc900049477d0 R08: ffffffff843cbf0b R09: ffffed100246608b R10: ffffed100246608b R11: 1ffff1100246608a R12: ffff8880123306a0 R13: 0000000000000002 R14: 1ffff92000928ee8 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561bab395600 CR3: 000000000ca8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __text_poke+0x787/0x9d0 arch/x86/kernel/alternative.c:1180 text_poke arch/x86/kernel/alternative.c:1217 [inline] text_poke_bp_batch+0x14c/0x850 arch/x86/kernel/alternative.c:1499 text_poke_flush arch/x86/kernel/alternative.c:1670 [inline] text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1677 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146 static_key_disable_cpuslocked+0xc8/0x1b0 kernel/jump_label.c:207 static_key_disable+0x16/0x20 kernel/jump_label.c:215 toggle_allocation_gate+0x3d8/0x470 mm/kfence/core.c:814 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306