BTRFS info (device loop4): using spread ssd allocation scheme BTRFS info (device loop4): using free space tree BTRFS info (device loop4): has skinny extents device batadv_slave_1 left promiscuous mode ====================================================== WARNING: possible circular locking dependency detected 4.14.307-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.4/10062 is trying to acquire lock: ("%s-%s""btrfs", name){+.+.}, at: [] flush_workqueue+0xcb/0x1310 kernel/workqueue.c:2622 but task is already holding lock: (&fs_info->scrub_lock){+.+.}, at: [] btrfs_scrub_dev+0x506/0xcd0 fs/btrfs/scrub.c:4217 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&fs_info->scrub_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 btrfs_scrub_dev+0x1f3/0xcd0 fs/btrfs/scrub.c:4150 btrfs_ioctl_scrub fs/btrfs/ioctl.c:4451 [inline] btrfs_ioctl+0xba8/0x5b20 fs/btrfs/ioctl.c:5681 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 -> #2 (&fs_devs->device_list_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 __reada_start_machine fs/btrfs/reada.c:765 [inline] reada_start_machine_worker+0x1d2/0xa90 fs/btrfs/reada.c:746 normal_work_helper+0x304/0x1330 fs/btrfs/async-thread.c:376 process_one_work+0x793/0x14a0 kernel/workqueue.c:2117 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:406 -> #1 ((&work->normal_work)){+.+.}: process_one_work+0x736/0x14a0 kernel/workqueue.c:2093 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:406 -> #0 ("%s-%s""btrfs", name){+.+.}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 flush_workqueue+0xfa/0x1310 kernel/workqueue.c:2625 drain_workqueue+0x177/0x3e0 kernel/workqueue.c:2790 destroy_workqueue+0x71/0x710 kernel/workqueue.c:4116 __btrfs_destroy_workqueue fs/btrfs/async-thread.c:436 [inline] btrfs_destroy_workqueue+0xf8/0x630 fs/btrfs/async-thread.c:447 scrub_workers_put+0x90/0x1a0 fs/btrfs/scrub.c:4075 btrfs_scrub_dev+0x536/0xcd0 fs/btrfs/scrub.c:4219 btrfs_ioctl_scrub fs/btrfs/ioctl.c:4451 [inline] btrfs_ioctl+0xba8/0x5b20 fs/btrfs/ioctl.c:5681 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 other info that might help us debug this: Chain exists of: "%s-%s""btrfs", name --> &fs_devs->device_list_mutex --> &fs_info->scrub_lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&fs_info->scrub_lock); lock(&fs_devs->device_list_mutex); lock(&fs_info->scrub_lock); lock("%s-%s""btrfs", name); *** DEADLOCK *** 1 lock held by syz-executor.4/10062: #0: (&fs_info->scrub_lock){+.+.}, at: [] btrfs_scrub_dev+0x506/0xcd0 fs/btrfs/scrub.c:4217 stack backtrace: CPU: 1 PID: 10062 Comm: syz-executor.4 Not tainted 4.14.307-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 flush_workqueue+0xfa/0x1310 kernel/workqueue.c:2625 drain_workqueue+0x177/0x3e0 kernel/workqueue.c:2790 destroy_workqueue+0x71/0x710 kernel/workqueue.c:4116 __btrfs_destroy_workqueue fs/btrfs/async-thread.c:436 [inline] btrfs_destroy_workqueue+0xf8/0x630 fs/btrfs/async-thread.c:447 scrub_workers_put+0x90/0x1a0 fs/btrfs/scrub.c:4075 btrfs_scrub_dev+0x536/0xcd0 fs/btrfs/scrub.c:4219 btrfs_ioctl_scrub fs/btrfs/ioctl.c:4451 [inline] btrfs_ioctl+0xba8/0x5b20 fs/btrfs/ioctl.c:5681 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7faca5f900f9 RSP: 002b:00007faca4502168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007faca60aff80 RCX: 00007faca5f900f9 RDX: 0000000020000100 RSI: 00000000c400941b RDI: 0000000000000004 RBP: 00007faca5febae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd92cf1abf R14: 00007faca4502300 R15: 0000000000022000 device batadv_slave_1 entered promiscuous mode device batadv_slave_1 entered promiscuous mode device batadv_slave_1 left promiscuous mode device batadv_slave_1 left promiscuous mode device batadv_slave_1 entered promiscuous mode device batadv_slave_1 entered promiscuous mode device batadv_slave_1 left promiscuous mode device batadv_slave_1 left promiscuous mode BTRFS info (device loop4): enabling inode map caching BTRFS info (device loop4): trying to use backup root at mount time BTRFS info (device loop4): use zlib compression BTRFS info (device loop4): enabling ssd optimizations BTRFS info (device loop4): using spread ssd allocation scheme BTRFS info (device loop4): using free space tree BTRFS info (device loop4): has skinny extents device batadv_slave_1 entered promiscuous mode device batadv_slave_1 entered promiscuous mode device batadv_slave_1 left promiscuous mode device batadv_slave_1 left promiscuous mode program syz-executor.1 is using a deprecated SCSI ioctl, please convert it to SG_IO sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 ====================================================== WARNING: the mand mount option is being deprecated and will be removed in v5.15! ====================================================== EXT4-fs: Warning: mounting with data=journal disables delayed allocation and O_DIRECT support! BTRFS info (device loop4): enabling inode map caching BTRFS info (device loop4): trying to use backup root at mount time BTRFS info (device loop4): use zlib compression [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=b002c028, mo2=0002] BTRFS info (device loop4): enabling ssd optimizations System zones: 0-1, 15-15, 18-18, 34-34 BTRFS info (device loop4): using spread ssd allocation scheme EXT4-fs (loop1): orphan cleanup on readonly fs BTRFS info (device loop4): using free space tree EXT4-fs warning (device loop1): ext4_enable_quotas:5780: Failed to enable quota tracking (type=-1, err=-13). Please run e2fsck to fix. BTRFS info (device loop4): has skinny extents EXT4-fs (loop1): Cannot turn on quotas: error -13 EXT4-fs error (device loop1): ext4_orphan_get:1265: comm syz-executor.1: bad orphan inode 16 EXT4-fs (loop1): Remounting filesystem read-only ext4_test_bit(bit=15, block=18) = 0 EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=,errors=remount-ro,data_err=abort,min_batch_time=0x00000000000000b process 'syz-executor.1' launched './file1' with NULL argv: empty string added audit: type=1800 audit(1677378364.087:3): pid=10352 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.1" name="file1" dev="loop1" ino=15 res=0 dccp_close: ABORT with 123 bytes unread program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=b002c028, mo2=0002] System zones: 0-1, 15-15, 18-18, 34-34 EXT4-fs (loop1): orphan cleanup on readonly fs EXT4-fs warning (device loop1): ext4_enable_quotas:5780: Failed to enable quota tracking (type=-1, err=-13). Please run e2fsck to fix. [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=b002c028, mo2=0002] System zones: 0-1, 15-15, 18-18, 34-34 EXT4-fs (loop1): Cannot turn on quotas: error -13 EXT4-fs (loop3): orphan cleanup on readonly fs EXT4-fs error (device loop1): ext4_orphan_get:1265: comm syz-executor.1: bad orphan inode 16 EXT4-fs warning (device loop3): ext4_enable_quotas:5780: Failed to enable quota tracking (type=-1, err=-13). Please run e2fsck to fix. EXT4-fs (loop3): Cannot turn on quotas: error -13 EXT4-fs error (device loop3): ext4_orphan_get:1265: comm syz-executor.3: bad orphan inode 16 EXT4-fs (loop1): Remounting filesystem read-only EXT4-fs (loop3): Remounting filesystem read-only ext4_test_bit(bit=15, block=18) = 0 EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=,errors=remount-ro,data_err=abort,min_batch_time=0x00000000000000b ext4_test_bit(bit=15, block=18) = 0 BTRFS info (device loop4): enabling inode map caching EXT4-fs (loop3): mounted filesystem without journal. Opts: usrjquota=,errors=remount-ro,data_err=abort,min_batch_time=0x00000000000000b BTRFS info (device loop4): trying to use backup root at mount time BTRFS info (device loop4): use zlib compression BTRFS info (device loop4): enabling ssd optimizations BTRFS info (device loop4): using spread ssd allocation scheme BTRFS info (device loop4): using free space tree BTRFS info (device loop4): has skinny extents audit: type=1800 audit(1677378365.087:4): pid=10436 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.3" name="file1" dev="loop3" ino=15 res=0 dccp_close: ABORT with 123 bytes unread audit: type=1800 audit(1677378365.127:5): pid=10442 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.1" name="file1" dev="loop1" ino=15 res=0 program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=b002c028, mo2=0002] System zones: 0-1, 15-15, 18-18, 34-34 [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=b002c028, mo2=0002] System zones: 0-1, 15-15, 18-18, 34-34 EXT4-fs (loop3): orphan cleanup on readonly fs EXT4-fs (loop1): orphan cleanup on readonly fs EXT4-fs warning (device loop3): ext4_enable_quotas:5780: Failed to enable quota tracking (type=-1, err=-13). Please run e2fsck to fix. [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=b002c028, mo2=0002] EXT4-fs warning (device loop1): ext4_enable_quotas:5780: Failed to enable quota tracking (type=-1, err=-13). Please run e2fsck to fix. EXT4-fs (loop3): Cannot turn on quotas: error -13 System zones: 0-1, 15-15, 18-18, 34-34 EXT4-fs error (device loop3): ext4_orphan_get:1265: comm syz-executor.3: bad orphan inode 16 EXT4-fs (loop1): Cannot turn on quotas: error -13 EXT4-fs (loop2): orphan cleanup on readonly fs EXT4-fs (loop3): Remounting filesystem read-only ext4_test_bit(bit=15, block=18) = 0 EXT4-fs error (device loop1): ext4_orphan_get:1265: comm syz-executor.1: bad orphan inode 16 EXT4-fs (loop3): mounted filesystem without journal. Opts: usrjquota=,errors=remount-ro,data_err=abort,min_batch_time=0x00000000000000b EXT4-fs warning (device loop2): ext4_enable_quotas:5780: Failed to enable quota tracking (type=-1, err=-13). Please run e2fsck to fix. EXT4-fs (loop1): Remounting filesystem read-only [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=b002c028, mo2=0002] System zones: 0-1, 15-15, 18-18, 34-34 ext4_test_bit(bit=15, block=18) = 0 EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=,errors=remount-ro,data_err=abort,min_batch_time=0x00000000000000b EXT4-fs (loop2): Cannot turn on quotas: error -13 EXT4-fs (loop4): orphan cleanup on readonly fs EXT4-fs warning (device loop4): ext4_enable_quotas:5780: Failed to enable quota tracking (type=-1, err=-13). Please run e2fsck to fix. EXT4-fs error (device loop2): ext4_orphan_get:1265: comm syz-executor.2: bad orphan inode 16 EXT4-fs (loop4): Cannot turn on quotas: error -13 EXT4-fs error (device loop4): ext4_orphan_get:1265: comm syz-executor.4: bad orphan inode 16 EXT4-fs (loop2): Remounting filesystem read-only EXT4-fs (loop4): Remounting filesystem read-only ext4_test_bit(bit=15, block=18) = 0 ext4_test_bit(bit=15, block=18) = 0 EXT4-fs (loop2): mounted filesystem without journal. Opts: usrjquota=,errors=remount-ro,data_err=abort,min_batch_time=0x00000000000000b EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=,errors=remount-ro,data_err=abort,min_batch_time=0x00000000000000b audit: type=1800 audit(1677378366.237:6): pid=10509 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.3" name="file1" dev="loop3" ino=15 res=0 audit: type=1800 audit(1677378366.357:7): pid=10514 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.1" name="file1" dev="loop1" ino=15 res=0 kvm [10545]: vcpu0, guest rIP: 0x9182 disabled perfctr wrmsr: 0xc1 data 0x8300007d00 program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO audit: type=1800 audit(1677378366.647:8): pid=10500 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.2" name="file1" dev="loop2" ino=15 res=0 dccp_close: ABORT with 123 bytes unread sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 dccp_close: ABORT with 123 bytes unread kvm [10545]: vcpu0, guest rIP: 0x9182 ignored wrmsr: 0x11e data 0x8800008200 [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=b002c028, mo2=0002] audit: type=1800 audit(1677378366.697:9): pid=10528 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.4" name="file1" dev="loop4" ino=15 res=0 System zones: 0-1, 15-15, 18-18, 34-34 kvm [10545]: vcpu0, guest rIP: 0x9182 disabled perfctr wrmsr: 0x186 data 0xcd0000fc00 [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=b002c028, mo2=0002] EXT4-fs (loop3): orphan cleanup on readonly fs System zones: 0-1, 15-15, 18-18, 34-34 EXT4-fs warning (device loop3): ext4_enable_quotas:5780: Failed to enable quota tracking (type=-1, err=-13). Please run e2fsck to fix. EXT4-fs (loop1): orphan cleanup on readonly fs kvm [10545]: vcpu0, guest rIP: 0x9202 disabled perfctr wrmsr: 0x187 data 0xce000005e5 EXT4-fs warning (device loop1): ext4_enable_quotas:5780: Failed to enable quota tracking (type=-1, err=-13). Please run e2fsck to fix. EXT4-fs (loop3): Cannot turn on quotas: error -13 EXT4-fs error (device loop3): ext4_orphan_get:1265: comm syz-executor.3: bad orphan inode 16 EXT4-fs (loop3): Remounting filesystem read-only ext4_test_bit(bit=15, block=18) = 0 EXT4-fs (loop3): mounted filesystem without journal. Opts: usrjquota=,errors=remount-ro,data_err=abort,min_batch_time=0x00000000000000b EXT4-fs (loop1): Cannot turn on quotas: error -13 EXT4-fs error (device loop1): ext4_orphan_get:1265: comm syz-executor.1: bad orphan inode 16 [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=b002c028, mo2=0002] EXT4-fs (loop1): Remounting filesystem read-only System zones: 0-1, 15-15, 18-18, 34-34 ext4_test_bit(bit=15, block=18) = 0 [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=b002c028, mo2=0002] EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=,errors=remount-ro,data_err=abort,min_batch_time=0x00000000000000b EXT4-fs (loop2): orphan cleanup on readonly fs System zones: 0-1, 15-15, 18-18, 34-34 EXT4-fs warning (device loop2): ext4_enable_quotas:5780: Failed to enable quota tracking (type=-1, err=-13). Please run e2fsck to fix. EXT4-fs (loop4): orphan cleanup on readonly fs EXT4-fs warning (device loop4): ext4_enable_quotas:5780: Failed to enable quota tracking (type=-1, err=-13). Please run e2fsck to fix. EXT4-fs (loop2): Cannot turn on quotas: error -13 EXT4-fs (loop4): Cannot turn on quotas: error -13 EXT4-fs error (device loop2): ext4_orphan_get:1265: comm syz-executor.2: bad orphan inode 16 EXT4-fs error (device loop4): ext4_orphan_get:1265: comm syz-executor.4: bad orphan inode 16 audit: type=1800 audit(1677378367.357:10): pid=10566 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.3" name="file1" dev="loop3" ino=15 res=0 EXT4-fs (loop4): Remounting filesystem read-only ext4_test_bit(bit=15, block=18) = 0 EXT4-fs (loop2): Remounting filesystem read-only EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=,errors=remount-ro,data_err=abort,min_batch_time=0x00000000000000b ext4_test_bit(bit=15, block=18) = 0 EXT4-fs (loop2): mounted filesystem without journal. Opts: usrjquota=,errors=remount-ro,data_err=abort,min_batch_time=0x00000000000000b kvm [10600]: vcpu0, guest rIP: 0x9182 disabled perfctr wrmsr: 0xc1 data 0x8300007d00 kvm [10600]: vcpu0, guest rIP: 0x9182 ignored wrmsr: 0x11e data 0x8800008200 audit: type=1800 audit(1677378367.527:11): pid=10576 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.1" name="file1" dev="loop1" ino=15 res=0 kvm [10600]: vcpu0, guest rIP: 0x9182 disabled perfctr wrmsr: 0x186 data 0xcd0000fc00 kvm [10600]: vcpu0, guest rIP: 0x9202 disabled perfctr wrmsr: 0x187 data 0xce000005e5 audit: type=1800 audit(1677378367.797:12): pid=10596 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.2" name="file1" dev="loop2" ino=15 res=0 program syz-executor.4 is using a deprecated SCSI ioctl, please convert it to SG_IO sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=b002c028, mo2=0002] System zones: 0-1, 15-15, 18-18, 34-34 [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=b002c028, mo2=0002] kvm [10641]: vcpu0, guest rIP: 0x9182 disabled perfctr wrmsr: 0xc1 data 0x8300007d00 EXT4-fs (loop4): orphan cleanup on readonly fs System zones: 0-1, 15-15, 18-18, 34-34 EXT4-fs (loop2): orphan cleanup on readonly fs EXT4-fs warning (device loop4): ext4_enable_quotas:5780: Failed to enable quota tracking (type=-1, err=-13). Please run e2fsck to fix. kvm [10641]: vcpu0, guest rIP: 0x9182 ignored wrmsr: 0x11e data 0x8800008200 EXT4-fs warning (device loop2): ext4_enable_quotas:5780: Failed to enable quota tracking (type=-1, err=-13). Please run e2fsck to fix. EXT4-fs (loop4): Cannot turn on quotas: error -13 kvm [10641]: vcpu0, guest rIP: 0x9182 disabled perfctr wrmsr: 0x186 data 0xcd0000fc00 EXT4-fs error (device loop4): ext4_orphan_get:1265: comm syz-executor.4: bad orphan inode 16 EXT4-fs (loop4): Remounting filesystem read-only EXT4-fs (loop2): Cannot turn on quotas: error -13 ext4_test_bit(bit=15, block=18) = 0 EXT4-fs error (device loop2): ext4_orphan_get:1265: comm syz-executor.2: bad orphan inode 16 kvm [10641]: vcpu0, guest rIP: 0x9202 disabled perfctr wrmsr: 0x187 data 0xce000005e5 EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=,errors=remount-ro,data_err=abort,min_batch_time=0x00000000000000b EXT4-fs (loop2): Remounting filesystem read-only ext4_test_bit(bit=15, block=18) = 0 EXT4-fs (loop2): mounted filesystem without journal. Opts: usrjquota=,errors=remount-ro,data_err=abort,min_batch_time=0x00000000000000b kvm [10673]: vcpu0, guest rIP: 0x9182 disabled perfctr wrmsr: 0xc1 data 0x8300007d00 kvm [10673]: vcpu0, guest rIP: 0x9182 ignored wrmsr: 0x11e data 0x8800008200 9p: Unknown access argument client tmpfs: Bad value 'local=relative:(' for mount option 'mpol' kauditd_printk_skb: 8 callbacks suppressed audit: type=1804 audit(1677378369.217:21): pid=10741 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir2096165304/syzkaller.YuXaNA/31/bus/bus" dev="loop3" ino=8 res=1 tmpfs: Bad value 'local=relative:(' for mount option 'mpol' audit: type=1804 audit(1677378369.257:22): pid=10742 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir831249946/syzkaller.oj38pr/27/bus/bus" dev="loop1" ino=8 res=1