[ 6.085883][ T23] audit: type=1400 audit(1635072534.490:70): avc: denied { read } for pid=256 comm="getty" name="log" dev="sda1" ino=1125 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 syzkaller syzkaller login: [ 8.747803][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 12.420042][ T23] audit: type=1400 audit(1635072540.840:71): avc: denied { transition } for pid=289 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.426080][ T23] audit: type=1400 audit(1635072540.840:72): avc: denied { write } for pid=289 comm="sh" path="pipe:[10589]" dev="pipefs" ino=10589 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 13.587652][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 13.678401][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! Warning: Permanently added '10.128.0.184' (ECDSA) to the list of known hosts. executing program executing program executing program [ 51.961878][ T23] audit: type=1400 audit(1635072580.380:73): avc: denied { execmem } for pid=365 comm="syz-executor040" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 51.983337][ T23] audit: type=1400 audit(1635072580.410:74): avc: denied { read write } for pid=366 comm="syz-executor040" name="loop0" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 executing program executing program executing program [ 52.007873][ T23] audit: type=1400 audit(1635072580.410:75): avc: denied { open } for pid=371 comm="syz-executor040" path="/dev/loop5" dev="devtmpfs" ino=120 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 52.037438][ T23] audit: type=1400 audit(1635072580.410:76): avc: denied { ioctl } for pid=371 comm="syz-executor040" path="/dev/loop5" dev="devtmpfs" ino=120 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 52.047042][ T376] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 52.064993][ T23] audit: type=1400 audit(1635072580.420:77): avc: denied { mounton } for pid=374 comm="syz-executor040" path="/root/syzkaller.nvvLUg/0/file0" dev="sda1" ino=1149 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 52.071851][ T375] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 52.095511][ T374] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 52.111882][ T374] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 52.122615][ T376] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 52.136050][ T23] audit: type=1400 audit(1635072580.540:78): avc: denied { mount } for pid=374 comm="syz-executor040" name="/" dev="loop5" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 executing program [ 52.137174][ T375] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 52.158047][ T23] audit: type=1400 audit(1635072580.540:79): avc: denied { unmount } for pid=371 comm="syz-executor040" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 52.167490][ T381] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 52.194978][ T381] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 52.195411][ T380] EXT4-fs (loop0): revision level too high, forcing read-only mode executing program executing program [ 52.211915][ T382] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 52.212995][ T380] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 52.230430][ T382] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 52.232933][ T402] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 52.247798][ T402] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 52.278493][ T408] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 52.286581][ T408] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue executing program executing program executing program executing program executing program executing program [ 52.520460][ T419] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 52.520675][ T413] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 52.529057][ T419] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 52.536677][ T413] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 52.546572][ T412] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 52.555938][ T415] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 52.562474][ T412] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 52.570758][ T415] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 52.598353][ T416] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 52.606480][ T416] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue executing program executing program executing program executing program [ 52.810160][ T421] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 52.818405][ T421] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 52.828708][ T436] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 52.828731][ T437] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 52.837063][ T436] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program executing program [ 52.844932][ T437] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 52.878242][ T434] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 52.878315][ T435] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 52.886649][ T434] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue executing program [ 52.894494][ T435] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 52.948176][ T453] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 52.956238][ T448] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 52.956557][ T453] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 52.964801][ T448] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue executing program executing program executing program executing program [ 53.088309][ T456] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 53.096446][ T456] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue executing program [ 53.178804][ T471] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 53.179123][ T462] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 53.187264][ T463] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 53.195062][ T462] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 53.203032][ T471] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 53.212010][ T463] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue executing program [ 53.225095][ T467] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 53.238199][ T467] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 53.251406][ T482] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 53.259901][ T482] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 53.260214][ T464] EXT4-fs (loop5): revision level too high, forcing read-only mode executing program [ 53.279306][ T464] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue executing program executing program executing program executing program executing program executing program executing program [ 53.488309][ T488] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 53.496454][ T488] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue executing program executing program [ 53.540188][ T492] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 53.552766][ T492] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 53.566424][ T491] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 53.575296][ T491] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue executing program [ 53.578053][ T496] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 53.584530][ T493] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 53.593675][ T496] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 53.600256][ T501] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 53.617039][ T493] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 53.618027][ T501] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue executing program [ 53.634841][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! executing program executing program executing program executing program executing program [ 53.760687][ T516] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 53.768871][ T516] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 53.838611][ T518] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 53.846723][ T518] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 53.878449][ T521] EXT4-fs (loop3): revision level too high, forcing read-only mode executing program [ 53.878492][ T522] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 53.886799][ T521] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 53.894649][ T522] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue executing program [ 53.930236][ T526] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 53.930254][ T523] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 53.938568][ T526] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 53.946410][ T523] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue executing program executing program executing program [ 54.087294][ T537] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 54.087430][ T542] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 54.096167][ T537] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 54.104005][ T545] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 54.112693][ T542] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 54.120218][ T546] EXT4-fs (loop1): revision level too high, forcing read-only mode executing program [ 54.120553][ T546] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 54.129869][ T545] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue executing program executing program executing program [ 54.258691][ T550] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 54.258697][ T561] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 54.259036][ T561] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 54.266962][ T550] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 54.354983][ T369] ================================================================== [ 54.356704][ T367] ------------[ cut here ]------------ [ 54.363294][ T369] BUG: KASAN: use-after-free in kthread_stop+0x36/0x3d0 [ 54.363312][ T369] Write of size 4 at addr ffff88810e6fe2e0 by task syz-executor040/369 [ 54.368892][ T367] refcount_t: addition on 0; use-after-free. [ 54.375661][ T369] [ 54.383993][ T367] WARNING: CPU: 0 PID: 367 at lib/refcount.c:25 refcount_warn_saturate+0x147/0x1b0 [ 54.389825][ T369] CPU: 1 PID: 369 Comm: syz-executor040 Not tainted 5.10.75-syzkaller-01082-g234d53d2bb60 #0 [ 54.389837][ T369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.392137][ T367] Modules linked in: [ 54.401378][ T369] Call Trace: [ 54.401393][ T369] dump_stack_lvl+0x1e2/0x24b [ 54.401408][ T369] ? show_regs_print_info+0x18/0x18 [ 54.411609][ T367] [ 54.421636][ T369] ? devkmsg_release+0x127/0x127 [ 54.421654][ T369] ? ____kasan_slab_free+0x13e/0x170 [ 54.425523][ T367] CPU: 0 PID: 367 Comm: syz-executor040 Not tainted 5.10.75-syzkaller-01082-g234d53d2bb60 #0 [ 54.428785][ T369] print_address_description+0x8d/0x3d0 [ 54.428800][ T369] __kasan_report+0x142/0x220 [ 54.433440][ T367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.438605][ T369] ? kthread_stop+0x36/0x3d0 [ 54.438620][ T369] kasan_report+0x51/0x70 [ 54.440922][ T367] RIP: 0010:refcount_warn_saturate+0x147/0x1b0 [ 54.445834][ T369] kasan_check_range+0x2b6/0x2f0 [ 54.451099][ T367] Code: c7 e0 b0 49 85 31 c0 e8 e7 7d eb fe 0f 0b eb a1 e8 1e 9b 18 ff c6 05 4b cb 68 04 01 48 c7 c7 80 b1 49 85 31 c0 e8 c9 7d eb fe <0f> 0b eb 83 e8 00 9b 18 ff c6 05 2e cb 68 04 01 48 c7 c7 e0 b1 49 [ 54.461218][ T369] __kasan_check_write+0x14/0x20 [ 54.461232][ T369] kthread_stop+0x36/0x3d0 [ 54.466742][ T367] RSP: 0018:ffffc9000093fc60 EFLAGS: 00010246 [ 54.471384][ T369] ext4_stop_mmpd+0x47/0xb0 [ 54.471400][ T369] ext4_put_super+0xa09/0xe90 [ 54.481421][ T367] [ 54.485983][ T369] ? ext4_drop_inode+0x170/0x170 [ 54.490287][ T367] RAX: c738e5380459a400 RBX: 0000000000000002 RCX: 1ffff92000127f44 [ 54.496403][ T369] generic_shutdown_super+0x13f/0x2c0 [ 54.501311][ T367] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 54.520879][ T369] kill_block_super+0x80/0xe0 [ 54.520894][ T369] deactivate_locked_super+0xb0/0x100 [ 54.525883][ T367] RBP: ffffc9000093fc70 R08: ffffffff81545368 R09: 0000000000000003 [ 54.530263][ T369] deactivate_super+0xa5/0xd0 [ 54.530277][ T369] cleanup_mnt+0x45f/0x510 [ 54.536309][ T367] R10: fffff52000127edd R11: 0000000000000004 R12: ffff88810e8693c0 [ 54.540775][ T369] __cleanup_mnt+0x19/0x20 [ 54.540792][ T369] task_work_run+0x147/0x1b0 [ 54.545429][ T367] R13: dffffc0000000000 R14: 0000000000000002 R15: dffffc0000000000 [ 54.547727][ T369] exit_to_user_mode_prepare+0xc3/0xe0 [ 54.547743][ T369] syscall_exit_to_user_mode+0x24/0x40 [ 54.552658][ T367] FS: 00005555556db300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 54.560593][ T369] do_syscall_64+0x3d/0x70 [ 54.560609][ T369] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.565949][ T367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.573900][ T369] RIP: 0033:0x7ff98ad3a537 [ 54.573914][ T369] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 54.578569][ T367] CR2: 0000558c9e769af8 CR3: 0000000117bd0000 CR4: 00000000003506b0 [ 54.583914][ T369] RSP: 002b:00007ffd285963e8 EFLAGS: 00000206 [ 54.591864][ T367] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.596772][ T369] ORIG_RAX: 00000000000000a6 [ 54.601160][ T367] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.609100][ T369] RAX: 0000000000000000 RBX: 000000000000d323 RCX: 00007ff98ad3a537 [ 54.609106][ T369] RDX: 00007ffd285964a9 RSI: 0000000000000002 RDI: 00007ffd285964a0 [ 54.609119][ T369] RBP: 00007ffd285964a0 R08: 00000000ffffffff R09: 00007ffd28596280 [ 54.613499][ T367] Call Trace: [ 54.618058][ T369] R10: 00005555556dc633 R11: 0000000000000206 R12: 00007ffd28597510 [ 54.618065][ T369] R13: 00005555556dc5f0 R14: 00007ffd28596410 R15: 0000000000000009 [ 54.618073][ T369] [ 54.626045][ T367] kthread_stop+0x1b0/0x3d0 [ 54.631459][ T369] Allocated by task 2: [ 54.631471][ T369] __kasan_slab_alloc+0xb2/0xe0 [ 54.631478][ T369] kmem_cache_alloc+0x1a2/0x380 [ 54.631487][ T369] dup_task_struct+0xbc/0xea0 [ 54.631501][ T369] copy_process+0x665/0x5330 [ 54.636940][ T367] ext4_stop_mmpd+0x47/0xb0 [ 54.645844][ T369] kernel_clone+0x21f/0x9a0 [ 54.645852][ T369] kernel_thread+0x16c/0x1e0 [ 54.645859][ T369] kthreadd+0x3cd/0x510 [ 54.645877][ T369] ret_from_fork+0x1f/0x30 [ 54.650383][ T367] ext4_put_super+0xa09/0xe90 [ 54.656222][ T369] [ 54.662809][ T367] ? ext4_drop_inode+0x170/0x170 [ 54.667176][ T369] Freed by task 0: [ 54.686778][ T367] generic_shutdown_super+0x13f/0x2c0 [ 54.694718][ T369] kasan_set_track+0x4c/0x80 [ 54.694728][ T369] kasan_set_free_info+0x23/0x40 [ 54.694736][ T369] ____kasan_slab_free+0x133/0x170 [ 54.694753][ T369] __kasan_slab_free+0x11/0x20 [ 54.700999][ T367] kill_block_super+0x80/0xe0 [ 54.708929][ T369] slab_free_freelist_hook+0xb2/0x180 [ 54.708937][ T369] kmem_cache_free+0xaa/0x1e0 [ 54.708953][ T369] free_task+0xb9/0x1e0 [ 54.713599][ T367] deactivate_locked_super+0xb0/0x100 [ 54.721554][ T369] __put_task_struct+0x2e0/0x440 [ 54.721563][ T369] delayed_put_task_struct+0x67/0x190 [ 54.721579][ T369] rcu_do_batch+0x4cd/0xb40 [ 54.729573][ T367] deactivate_super+0xa5/0xd0 [ 54.737510][ T369] rcu_core+0x822/0x10d0 [ 54.745459][ T367] cleanup_mnt+0x45f/0x510 [ 54.748729][ T369] rcu_core_si+0x9/0x10 [ 54.748739][ T369] __do_softirq+0x27e/0x598 [ 54.748742][ T369] [ 54.748754][ T369] Last potentially related work creation: [ 54.756720][ T367] __cleanup_mnt+0x19/0x20 [ 54.764675][ T369] kasan_save_stack+0x36/0x60 [ 54.764684][ T369] kasan_record_aux_stack+0xd3/0xf0 [ 54.764692][ T369] call_rcu+0x134/0x1470 [ 54.764701][ T369] put_task_struct_rcu_user+0x58/0xa0 [ 54.764719][ T369] finish_task_switch+0x251/0x5f0 [ 54.767459][ T367] task_work_run+0x147/0x1b0 [ 54.771941][ T369] __schedule+0x94c/0xda0 [ 54.771957][ T369] schedule_idle+0x60/0x90 [ 54.776000][ T367] exit_to_user_mode_prepare+0xc3/0xe0 [ 54.780813][ T369] do_idle+0x584/0x5e0 [ 54.780821][ T369] cpu_startup_entry+0x25/0x30 [ 54.780836][ T369] start_secondary+0xd7/0xe0 [ 54.785684][ T367] syscall_exit_to_user_mode+0x24/0x40 [ 54.790329][ T369] secondary_startup_64_no_verify+0xb0/0xbb [ 54.790331][ T369] [ 54.790338][ T369] The buggy address belongs to the object at ffff88810e6fe2c0 [ 54.790338][ T369] which belongs to the cache task_struct of size 4800 [ 54.790346][ T369] The buggy address is located 32 bytes inside of [ 54.790346][ T369] 4800-byte region [ffff88810e6fe2c0, ffff88810e6ff580) [ 54.790349][ T369] The buggy address belongs to the page: [ 54.790366][ T369] page:ffffea000439be00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10e6f8 [ 54.794933][ T367] do_syscall_64+0x3d/0x70 [ 54.799397][ T369] head:ffffea000439be00 order:3 compound_mapcount:0 compound_pincount:0 [ 54.799406][ T369] flags: 0x8000000000010200(slab|head) [ 54.799419][ T369] raw: 8000000000010200 dead000000000100 dead000000000122 ffff888100067680 [ 54.803900][ T367] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.808455][ T369] raw: 0000000000000000 0000000000060006 00000001ffffffff 0000000000000000 [ 54.808466][ T369] page dumped because: kasan: bad access detected [ 54.812608][ T367] RIP: 0033:0x7ff98ad3a537 [ 54.816993][ T369] page_owner tracks the page as allocated executing program [ 54.821677][ T367] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 54.823963][ T369] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2, ts 54095727322, free_ts 53963999791 [ 54.828868][ T367] RSP: 002b:00007ffd285963e8 EFLAGS: 00000206 [ 54.832585][ T369] get_page_from_freelist+0xa74/0xa90 [ 54.838010][ T367] ORIG_RAX: 00000000000000a6 [ 54.842570][ T369] __alloc_pages_nodemask+0x3c8/0x820 [ 54.847571][ T367] RAX: 0000000000000000 RBX: 000000000000d325 RCX: 00007ff98ad3a537 [ 54.852648][ T369] allocate_slab+0x6b/0x350 [ 54.857381][ T367] RDX: 00007ffd285964aa RSI: 0000000000000002 RDI: 00007ffd285964a0 [ 54.862031][ T369] ___slab_alloc+0x143/0x2f0 [ 54.862040][ T369] kmem_cache_alloc+0x26f/0x380 [ 54.862048][ T369] dup_task_struct+0xbc/0xea0 [ 54.862065][ T369] copy_process+0x665/0x5330 [ 54.867464][ T367] RBP: 00007ffd285964a0 R08: 00000000ffffffff R09: 00007ffd28596280 [ 54.872105][ T369] kernel_clone+0x21f/0x9a0 [ 54.872113][ T369] kernel_thread+0x16c/0x1e0 [ 54.872127][ T369] kthreadd+0x3cd/0x510 [ 54.876270][ T367] R10: 00005555556dc633 R11: 0000000000000206 R12: 00007ffd28597510 [ 54.881608][ T369] ret_from_fork+0x1f/0x30 [ 54.881612][ T369] page last free stack trace: [ 54.881620][ T369] __free_pages_ok+0xbe7/0xc20 [ 54.881627][ T369] __free_pages+0x2d6/0x4a0 [ 54.881643][ T369] __free_slab+0xdf/0x1a0 [ 54.886551][ T367] R13: 00005555556dc5f0 R14: 00007ffd28596410 R15: 000000000000000b [ 54.891887][ T369] unfreeze_partials+0x17d/0x1b0 [ 54.891894][ T369] put_cpu_partial+0xc8/0x190 [ 54.891901][ T369] __slab_free+0x2eb/0x4e0 [ 54.891915][ T369] ___cache_free+0x131/0x150 [ 54.896389][ T367] ---[ end trace d2645a27067adcc5 ]--- [ 54.901031][ T369] qlink_free+0x38/0x40 [ 54.901038][ T369] kasan_quarantine_reduce+0x178/0x1d0 [ 54.901054][ T369] __kasan_slab_alloc+0x2f/0xe0 [ 54.905264][ T367] ------------[ cut here ]------------ [ 54.909645][ T369] kmem_cache_alloc_trace+0x1a5/0x3a0 [ 54.909654][ T369] inode_doinit_use_xattr+0x60/0x400 [ 54.909669][ T369] inode_doinit_with_dentry+0x8fc/0x11f0 [ 54.913789][ T367] refcount_t: underflow; use-after-free. [ 54.918258][ T369] sb_finish_set_opts+0x4f8/0x7f0 [ 54.918265][ T369] selinux_set_mnt_opts+0x16f8/0x23c0 [ 54.918281][ T369] security_sb_set_mnt_opts+0x7b/0xe0 [ 54.920649][ T367] WARNING: CPU: 0 PID: 367 at lib/refcount.c:28 refcount_warn_saturate+0x165/0x1b0 [ 54.926269][ T369] [ 54.930661][ T367] Modules linked in: [ 54.935307][ T369] Memory state around the buggy address: [ 54.940477][ T367] [ 54.944685][ T369] ffff88810e6fe180: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 54.950043][ T367] CPU: 0 PID: 367 Comm: syz-executor040 Tainted: G W 5.10.75-syzkaller-01082-g234d53d2bb60 #0 [ 54.955025][ T369] ffff88810e6fe200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 54.959586][ T367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.963896][ T369] >ffff88810e6fe280: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 54.968301][ T367] RIP: 0010:refcount_warn_saturate+0x165/0x1b0 [ 54.973712][ T369] ^ [ 54.977759][ T367] Code: c7 80 b1 49 85 31 c0 e8 c9 7d eb fe 0f 0b eb 83 e8 00 9b 18 ff c6 05 2e cb 68 04 01 48 c7 c7 e0 b1 49 85 31 c0 e8 ab 7d eb fe <0f> 0b e9 62 ff ff ff e8 df 9a 18 ff c6 05 0e cb 68 04 01 48 c7 c7 [ 54.982567][ T369] ffff88810e6fe300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 54.987139][ T367] RSP: 0018:ffffc9000093fc60 EFLAGS: 00010246 [ 54.992559][ T369] ffff88810e6fe380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 54.992563][ T369] ================================================================== [ 54.992566][ T369] Disabling lock debugging due to kernel taint [ 55.094530][ T558] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 55.097297][ T563] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 55.102547][ T558] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 55.141305][ T563] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 55.150830][ T367] [ 55.516753][ T367] RAX: c738e5380459a400 RBX: 0000000000000003 RCX: 1ffff92000127f44 [ 55.524748][ T367] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 55.532756][ T367] RBP: ffffc9000093fc70 R08: ffffffff81545368 R09: 0000000000000003 [ 55.540740][ T367] R10: fffff52000127edd R11: 0000000000000004 R12: 00000000ffffffff [ 55.548714][ T367] R13: dffffc0000000000 R14: 0000000000000003 R15: 0000000000000000 [ 55.556691][ T367] FS: 00005555556db300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 55.565628][ T367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.572223][ T367] CR2: 00007ff98ad69070 CR3: 0000000117bd0000 CR4: 00000000003506a0 [ 55.580263][ T367] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.588466][ T367] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.596452][ T367] Call Trace: [ 55.599999][ T367] kthread_stop+0x1c7/0x3d0 [ 55.604567][ T367] ext4_stop_mmpd+0x47/0xb0 executing program executing program [ 55.609338][ T367] ext4_put_super+0xa09/0xe90 [ 55.617370][ T367] ? ext4_drop_inode+0x170/0x170 [ 55.623950][ T367] generic_shutdown_super+0x13f/0x2c0 [ 55.629571][ T367] kill_block_super+0x80/0xe0 [ 55.634254][ T367] deactivate_locked_super+0xb0/0x100 [ 55.639678][ T367] deactivate_super+0xa5/0xd0 [ 55.644353][ T367] cleanup_mnt+0x45f/0x510 [ 55.648860][ T367] __cleanup_mnt+0x19/0x20 [ 55.653267][ T367] task_work_run+0x147/0x1b0 [ 55.658204][ T367] exit_to_user_mode_prepare+0xc3/0xe0 [ 55.663664][ T367] syscall_exit_to_user_mode+0x24/0x40 [ 55.669513][ T367] do_syscall_64+0x3d/0x70 [ 55.673909][ T367] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.680038][ T367] RIP: 0033:0x7ff98ad3a537 [ 55.684447][ T367] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 55.704278][ T367] RSP: 002b:00007ffd285963e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 55.712737][ T367] RAX: 0000000000000000 RBX: 000000000000d325 RCX: 00007ff98ad3a537 [ 55.720703][ T367] RDX: 00007ffd285964aa RSI: 0000000000000002 RDI: 00007ffd285964a0 [ 55.728678][ T367] RBP: 00007ffd285964a0 R08: 00000000ffffffff R09: 00007ffd28596280 [ 55.736733][ T367] R10: 00005555556dc633 R11: 0000000000000206 R12: 00007ffd28597510 [ 55.744708][ T367] R13: 00005555556dc5f0 R14: 00007ffd28596410 R15: 000000000000000b [ 55.752940][ T367] ---[ end trace d2645a27067adcc6 ]--- [ 55.798420][ T574] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 55.806575][ T574] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue executing program executing program executing program executing program executing program [ 55.884612][ T577] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 55.893222][ T577] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 55.893239][ T584] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 55.904011][ T583] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 55.910407][ T584] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 55.918119][ T581] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 55.927328][ T583] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 55.935187][ T581] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 55.943862][ T582] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 55.961625][ T582] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue executing program [ 55.988145][ T588] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 55.996369][ T588] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue executing program executing program executing program executing program [ 56.319877][ T603] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 56.328936][ T603] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 56.329053][ T608] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 56.346054][ T608] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 56.381673][ T606] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 56.392943][ T606] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 56.400551][ T605] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 56.402246][ T607] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 56.410279][ T605] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue executing program executing program [ 56.418779][ T607] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 56.449107][ T624] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 56.457292][ T624] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 56.458182][ T618] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 56.474351][ T618] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue executing program executing program executing program [ 56.548262][ T629] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 56.556526][ T629] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program executing program [ 56.638254][ T638] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 56.646430][ T638] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 56.688420][ T635] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 56.696590][ T635] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 56.728333][ T637] EXT4-fs (loop4): revision level too high, forcing read-only mode executing program executing program executing program [ 56.801323][ T636] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 56.803556][ T650] EXT4-fs (loop0): revision level too high, forcing read-only mode executing program executing program executing program [ 56.920346][ T652] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 56.958661][ T653] EXT4-fs (loop3): revision level too high, forcing read-only mode executing program [ 56.958777][ T662] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 56.966713][ T661] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 57.008194][ T659] EXT4-fs (loop1): revision level too high, forcing read-only mode executing program executing program [ 57.078408][ T674] EXT4-fs (loop2): revision level too high, forcing read-only mode executing program executing program executing program [ 57.228358][ T682] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 57.238246][ T677] EXT4-fs (loop0): revision level too high, forcing read-only mode executing program executing program executing program [ 57.288339][ T690] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 57.320272][ T685] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 57.320565][ T684] EXT4-fs (loop3): revision level too high, forcing read-only mode executing program executing program executing program [ 57.422179][ T696] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 57.424106][ T702] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 57.430192][ T706] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 57.439853][ T701] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 57.508094][ T717] EXT4-fs (loop1): revision level too high, forcing read-only mode executing program executing program executing program executing program executing program executing program [ 57.648231][ T721] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 57.655310][ T725] EXT4-fs (loop4): revision level too high, forcing read-only mode executing program [ 57.688473][ T733] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 57.728140][ T724] EXT4-fs (loop2): revision level too high, forcing read-only mode executing program executing program executing program [ 57.788240][ T737] EXT4-fs (loop1): revision level too high, forcing read-only mode executing program executing program executing program [ 57.928285][ T742] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 57.929018][ T741] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 57.948080][ T743] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 57.968601][ T749] EXT4-fs (loop3): revision level too high, forcing read-only mode executing program [ 57.971832][ T750] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 58.008485][ T757] EXT4-fs (loop1): revision level too high, forcing read-only mode executing program executing program executing program executing program executing program [ 58.188405][ T767] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 58.188497][ T768] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 58.228454][ T772] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 58.228628][ T781] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 58.237306][ T773] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 58.278305][ T771] EXT4-fs (loop3): revision level too high, forcing read-only mode executing program executing program executing program [ 58.338271][ T792] EXT4-fs (loop4): revision level too high, forcing read-only mode executing program [ 58.438226][ T791] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 58.438544][ T794] EXT4-fs (loop5): revision level too high, forcing read-only mode executing program executing program [ 58.658488][ T803] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 58.658595][ T804] EXT4-fs (loop1): revision level too high, forcing read-only mode executing program executing program executing program [ 58.738679][ T812] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 58.738770][ T814] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 58.746648][ T807] EXT4-fs (loop3): revision level too high, forcing read-only mode executing program executing program [ 58.908471][ T817] EXT4-fs (loop0): revision level too high, forcing read-only mode executing program executing program executing program executing program [ 59.058586][ T831] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 59.058603][ T827] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 59.068040][ T828] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 59.109437][ T834] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 59.110544][ T830] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 59.118413][ T843] EXT4-fs (loop0): revision level too high, forcing read-only mode executing program executing program executing program [ 59.328468][ T852] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 59.328639][ T851] EXT4-fs (loop2): revision level too high, forcing read-only mode executing program executing program executing program executing program [ 59.448310][ T860] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 59.458463][ T854] EXT4-fs (loop4): revision level too high, forcing read-only mode executing program executing program [ 59.518561][ T863] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 59.519064][ T865] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 59.527117][ T864] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 59.578414][ T873] EXT4-fs (loop2): revision level too high, forcing read-only mode executing program executing program [ 59.648378][ T881] EXT4-fs (loop3): revision level too high, forcing read-only mode executing program executing program executing program [ 59.737676][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 59.768673][ T891] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 59.776653][ T888] EXT4-fs (loop0): revision level too high, forcing read-only mode executing program [ 59.784896][ T885] EXT4-fs (loop4): revision level too high, forcing read-only mode executing program [ 59.808446][ T893] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 59.808576][ T902] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 59.821459][ T895] EXT4-fs (loop2): revision level too high, forcing read-only mode executing program executing program [ 60.038390][ T911] EXT4-fs (loop0): revision level too high, forcing read-only mode executing program executing program executing program executing program [ 60.139219][ T913] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 60.147163][ T914] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 60.150465][ T920] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 60.155193][ T918] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 60.178394][ T921] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 60.218514][ T933] EXT4-fs (loop0): revision level too high, forcing read-only mode executing program executing program executing program executing program executing program executing program [ 60.439431][ T946] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 60.449103][ T941] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 60.459078][ T942] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 60.465952][ T939] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 60.468057][ T940] EXT4-fs (loop5): revision level too high, forcing read-only mode executing program [ 60.484122][ T948] EXT4-fs (loop0): revision level too high, forcing read-only mode executing program executing program executing program [ 60.538211][ T963] EXT4-fs (loop3): revision level too high, forcing read-only mode executing program executing program executing program [ 60.729182][ T969] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 60.730472][ T970] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 60.738023][ T965] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 60.745265][ T966] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 60.754965][ T971] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 60.788331][ T987] EXT4-fs (loop3): revision level too high, forcing read-only mode executing program executing program executing program executing program executing program executing program [ 61.152174][ T1001] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 61.160546][ T997] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 61.160802][ T993] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 61.176816][ T995] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 61.186173][ T991] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 61.195991][ T992] EXT4-fs (loop4): revision level too high, forcing read-only mode executing program executing program executing program executing program executing program executing program executing program [ 61.458443][ T1015] EXT4-fs (loop0): revision level too high, forcing read-only mode executing program [ 61.508504][ T1023] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 61.508912][ T1022] EXT4-fs (loop3): revision level too high, forcing read-only mode executing program [ 61.568514][ T1020] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 61.568982][ T1021] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 61.578785][ T1024] EXT4-fs (loop4): revision level too high, forcing read-only mode executing program [ 61.658421][ T1034] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 61.658427][ T1041] EXT4-fs (loop3): revision level too high, forcing read-only mode executing program executing program [ 61.738304][ T1044] EXT4-fs (loop2): revision level too high, forcing read-only mode executing program executing program executing program [ 61.828309][ T1052] EXT4-fs (loop5): revision level too high, forcing read-only mode executing program [ 61.878463][ T1053] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 61.918663][ T1056] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 61.918742][ T1057] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 61.927181][ T1060] EXT4-fs (loop0): revision level too high, forcing read-only mode executing program executing program [ 62.088348][ T1066] EXT4-fs (loop2): revision level too high, forcing read-only mode executing program executing program executing program executing program [ 62.218541][ T1074] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 62.218953][ T1079] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 62.226587][ T1075] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 62.268345][ T1081] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 62.268376][ T1083] EXT4-fs (loop4): revision level too high, forcing read-only mode executing program executing program executing program [ 62.358340][ T1090] EXT4-fs (loop2): revision level too high, forcing read-only mode executing program executing program executing program [ 62.498342][ T1100] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 62.498500][ T1102] EXT4-fs (loop5): revision level too high, forcing read-only mode executing program [ 62.538589][ T1104] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 62.538686][ T1103] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 62.547139][ T1101] EXT4-fs (loop3): revision level too high, forcing read-only mode executing program [ 62.658421][ T1114] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 62.658427][ T1121] EXT4-fs (loop5): revision level too high, forcing read-only mode executing program executing program executing program [ 62.758369][ T1130] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 62.766439][ T1123] EXT4-fs (loop1): revision level too high, forcing read-only mode executing program executing program executing program [ 62.878421][ T1133] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 62.878426][ T1132] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 62.918422][ T1140] EXT4-fs (loop5): revision level too high, forcing read-only mode executing program [ 62.918444][ T1141] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 63.048305][ T1147] EXT4-fs (loop1): revision level too high, forcing read-only mode executing program executing program executing program [ 63.118687][ T1160] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 63.118840][ T1154] EXT4-fs (loop0): revision level too high, forcing read-only mode executing program executing program executing program [ 63.220688][ T1159] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 63.228319][ T1168] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 63.229662][ T1158] EXT4-fs (loop4): revision level too high, forcing read-only mode executing program [ 63.318410][ T1177] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 63.318503][ T1180] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 63.358405][ T1171] EXT4-fs (loop1): revision level too high, forcing read-only mode executing program executing program executing program executing program executing program executing program [ 63.594143][ T1190] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 63.602525][ T1191] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 63.614393][ T1189] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 63.615587][ T1200] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 63.631600][ T1188] EXT4-fs (loop4): revision level too high, forcing read-only mode executing program [ 63.632092][ T1195] EXT4-fs (loop0): revision level too high, forcing read-only mode executing program [ 63.738236][ T1212] EXT4-fs (loop2): revision level too high, forcing read-only mode executing program executing program executing program executing program executing program [ 63.918192][ T1214] EXT4-fs (loop5): revision level too high, forcing read-only mode executing program [ 63.968976][ T1222] EXT4-fs (loop3): revision level too high, forcing read-only mode [ 63.969247][ T1221] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 63.977452][ T1218] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 63.985154][ T1220] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 64.038556][ T1227] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 64.038753][ T1238] EXT4-fs (loop5): revision level too high, forcing read-only mode executing program executing program executing program executing program executing program executing program executing program [ 64.270062][ T1252] EXT4-fs (loop5): revision level too high, forcing read-only mode [ 64.271832][ T1249] EXT4-fs (loop1): revision level too high, forcing read-only mode [ 64.278387][ T1250] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 64.286415][ T1244] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 64.302675][ T1248] EXT4-fs (loop2): revision level too high, forcing read-only mode [ 64.311321][ T1245] EXT4-fs (loop3): revision level too high, forcing read-only mode