XFS (loop0): Log size out of supported range. XFS (loop0): Continuing onwards, but if log hangs are experienced then please report this message in the bug report. XFS (loop0): Starting recovery (logdev: internal) INFO: task syz-executor239:7987 blocked for more than 140 seconds. Not tainted 4.14.302-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor239 D27312 7987 7986 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 xlog_grant_head_wait+0x12f/0xc10 fs/xfs/xfs_log.c:274 xlog_grant_head_check+0x357/0x3a0 fs/xfs/xfs_log.c:336 xfs_log_reserve+0x2fb/0x9e0 fs/xfs/xfs_log.c:465 xfs_trans_reserve+0x5bb/0x940 fs/xfs/xfs_trans.c:176 xfs_trans_alloc+0x1fc/0x320 fs/xfs/xfs_trans.c:255 xlog_finish_defer_ops fs/xfs/xfs_log_recover.c:4833 [inline] xlog_recover_process_intents+0x1d2/0x3f0 fs/xfs/xfs_log_recover.c:4938 xlog_recover_finish+0x52/0x210 fs/xfs/xfs_log_recover.c:5840 xfs_log_mount_finish+0xd9/0x2d0 fs/xfs/xfs_log.c:789 xfs_mountfs+0xeef/0x1f40 fs/xfs/xfs_mount.c:952 xfs_fs_fill_super+0xb7a/0x1380 fs/xfs/xfs_super.c:1688 mount_bdev+0x2b3/0x360 fs/super.c:1134 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2572 [inline] do_mount+0xe65/0x2a30 fs/namespace.c:2905 SYSC_mount fs/namespace.c:3121 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3098 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fe08f9bb60a RSP: 002b:00007ffc7f434638 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00646975756f6e2c RCX: 00007fe08f9bb60a RDX: 000000002000bb00 RSI: 0000000020000000 RDI: 00007ffc7f434650 RBP: 00007ffc7f434650 R08: 00007ffc7f434690 R09: 0000000000000002 R10: 0000000000008000 R11: 0000000000000206 R12: 0000000000000004 R13: 00005555569012c0 R14: 0000000000008000 R15: 00007ffc7f434690 Showing all locks held in the system: 1 lock held by khungtaskd/1533: #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548 2 locks held by syz-executor239/7987: #0: (&type->s_umount_key#46/1){+.+.}, at: [] alloc_super fs/super.c:251 [inline] #0: (&type->s_umount_key#46/1){+.+.}, at: [] sget_userns+0x556/0xc10 fs/super.c:516 #1: (sb_internal#2){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1598 [inline] #1: (sb_internal#2){.+.+}, at: [] xfs_trans_alloc+0x259/0x320 fs/xfs/xfs_trans.c:242 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1533 Comm: khungtaskd Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 nmi_cpu_backtrace.cold+0x57/0x93 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x13a/0x180 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline] watchdog+0x5b9/0xb40 kernel/hung_task.c:274 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:406 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4610 Comm: systemd-journal Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 task: ffff8880a1c824c0 task.stack: ffff8880a1c88000 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:60 RSP: 0018:ffff8880a1c8fb20 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88808e951040 RCX: 000000000000002e RDX: 0000000000000000 RSI: ffff8880a1c82d48 RDI: ffff88808e951040 RBP: ffff88810e951040 R08: ffffea0002c17800 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000008e951040 R13: ffff8880a1c8fb80 R14: 0000000000000000 R15: 0000000000000282 FS: 00007f7efa16f8c0(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7ef7542008 CR3: 00000000a1d9b000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __phys_addr+0x73/0xe0 arch/x86/mm/physaddr.c:30 virt_to_head_page include/linux/mm.h:612 [inline] qlink_to_cache mm/kasan/quarantine.c:127 [inline] qlist_free_all+0xbb/0x140 mm/kasan/quarantine.c:163 quarantine_reduce+0x185/0x200 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:536 slab_post_alloc_hook mm/slab.h:442 [inline] slab_alloc mm/slab.c:3390 [inline] kmem_cache_alloc+0x111/0x3c0 mm/slab.c:3550 prepare_creds+0x39/0x490 kernel/cred.c:255 SYSC_faccessat fs/open.c:365 [inline] SyS_faccessat+0x7b/0x680 fs/open.c:353 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f7ef942a9c7 RSP: 002b:00007ffccc26a5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00007ffccc26d5f0 RCX: 00007f7ef942a9c7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055a4ff6739a3 RBP: 00007ffccc26a710 R08: 000055a4ff6693e5 R09: 0000000000000018 R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 000055a5015468a0 R15: 00007ffccc26ac00 Code: ff ff 48 89 df e8 21 c1 29 00 e9 9f fe ff ff 4c 89 e7 e8 14 c1 29 00 e9 2c fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <65> 48 8b 04 25 c0 7f 02 00 48 85 c0 74 1a 65 8b 15 fb 24 ad 7e