Warning: Permanently added '10.128.1.122' (ED25519) to the list of known hosts.
2024/07/31 03:14:43 ignoring optional flag "sandboxArg"="0"
2024/07/31 03:14:43 parsed 1 programs
2024/07/31 03:14:43 executed programs: 0
[ 48.838952][ T30] kauditd_printk_skb: 19 callbacks suppressed
[ 48.838967][ T30] audit: type=1400 audit(1722395683.491:95): avc: denied { unlink } for pid=349 comm="syz-executor" name="swap-file" dev="sda1" ino=1930 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t"
[ 48.875981][ T349] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 48.931004][ T355] bridge0: port 1(bridge_slave_0) entered blocking state
[ 48.937856][ T355] bridge0: port 1(bridge_slave_0) entered disabled state
[ 48.945283][ T355] device bridge_slave_0 entered promiscuous mode
[ 48.952146][ T355] bridge0: port 2(bridge_slave_1) entered blocking state
[ 48.959183][ T355] bridge0: port 2(bridge_slave_1) entered disabled state
[ 48.966279][ T355] device bridge_slave_1 entered promiscuous mode
[ 49.012541][ T355] bridge0: port 2(bridge_slave_1) entered blocking state
[ 49.019414][ T355] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 49.026566][ T355] bridge0: port 1(bridge_slave_0) entered blocking state
[ 49.033395][ T355] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 49.051936][ T58] bridge0: port 1(bridge_slave_0) entered disabled state
[ 49.059295][ T58] bridge0: port 2(bridge_slave_1) entered disabled state
[ 49.066423][ T58] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 49.073947][ T58] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 49.083623][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 49.091898][ T301] bridge0: port 1(bridge_slave_0) entered blocking state
[ 49.098863][ T301] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 49.107378][ T58] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 49.115726][ T58] bridge0: port 2(bridge_slave_1) entered blocking state
[ 49.123161][ T58] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 49.134968][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 49.149187][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 49.157300][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 49.168029][ T58] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 49.175889][ T58] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 49.183385][ T58] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 49.191750][ T355] device veth0_vlan entered promiscuous mode
[ 49.201448][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 49.210361][ T355] device veth1_macvtap entered promiscuous mode
[ 49.219371][ T58] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 49.231445][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 49.252588][ T360] loop0: detected capacity change from 0 to 512
[ 49.260169][ T30] audit: type=1400 audit(1722395683.911:96): avc: denied { mounton } for pid=359 comm="syz-executor.0" path="/root/syzkaller-testdir2331925886/syzkaller.jivjYs/0/file1" dev="sda1" ino=1939 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 49.291166][ T360] EXT4-fs (loop0): 1 orphan inode deleted
[ 49.296794][ T360] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback.
[ 49.308377][ T30] audit: type=1400 audit(1722395683.951:97): avc: denied { mount } for pid=359 comm="syz-executor.0" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 49.308416][ T360] ext4 filesystem being mounted at /root/syzkaller-testdir2331925886/syzkaller.jivjYs/0/file1 supports timestamps until 2038 (0x7fffffff)
[ 49.348113][ T30] audit: type=1400 audit(1722395683.991:98): avc: denied { write } for pid=359 comm="syz-executor.0" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 49.370643][ T30] audit: type=1400 audit(1722395683.991:99): avc: denied { add_name } for pid=359 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 49.382206][ T359] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[ 49.405087][ T30] audit: type=1400 audit(1722395683.991:100): avc: denied { create } for pid=359 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 49.405270][ T359] EXT4-fs error (device loop0): ext4_discard_preallocations:5127: comm syz-executor.0: Error -117 reading block bitmap for 0
[ 49.425821][ T30] audit: type=1400 audit(1722395683.991:101): avc: denied { read write open } for pid=359 comm="syz-executor.0" path="/root/syzkaller-testdir2331925886/syzkaller.jivjYs/0/file1/bus" dev="loop0" ino=16 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 49.467194][ T30] audit: type=1400 audit(1722395684.001:102): avc: denied { read } for pid=82 comm="syslogd" name="log" dev="sda1" ino=1915 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1
[ 49.467299][ T8] ==================================================================
[ 49.489343][ T30] audit: type=1400 audit(1722395684.021:103): avc: denied { mounton } for pid=359 comm="syz-executor.0" path="/root/syzkaller-testdir2331925886/syzkaller.jivjYs/0/file1/bus" dev="loop0" ino=16 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 49.496796][ T8] BUG: KASAN: use-after-free in ext4_find_extent+0xbab/0xdb0
[ 49.524268][ T30] audit: type=1400 audit(1722395684.091:104): avc: denied { unmount } for pid=355 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 49.531100][ T8] Read of size 4 at addr ffff88811aa4dc10 by task kworker/u4:0/8
[ 49.531125][ T8]
[ 49.531142][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.15.151-syzkaller-1069658-gd0a6506ecafd #0
[ 49.531164][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
[ 49.581196][ T8] Workqueue: writeback wb_workfn (flush-7:0)
[ 49.586983][ T8] Call Trace:
[ 49.590106][ T8]
[ 49.592880][ T8] dump_stack_lvl+0x151/0x1b7
[ 49.597391][ T8] ? io_uring_drop_tctx_refs+0x190/0x190
[ 49.602951][ T8] ? __wake_up_klogd+0xd5/0x110
[ 49.607649][ T8] ? panic+0x751/0x751
[ 49.611644][ T8] print_address_description+0x87/0x3b0
[ 49.617370][ T8] kasan_report+0x179/0x1c0
[ 49.622025][ T8] ? __read_extent_tree_block+0x1e0/0x7b0
[ 49.627725][ T8] ? ext4_find_extent+0xbab/0xdb0
[ 49.633277][ T8] ? ext4_find_extent+0xbab/0xdb0
[ 49.638678][ T8] __asan_report_load4_noabort+0x14/0x20
[ 49.644151][ T8] ext4_find_extent+0xbab/0xdb0
[ 49.648989][ T8] ext4_ext_map_blocks+0x269/0x74a0
[ 49.654339][ T8] ? __kasan_check_write+0x14/0x20
[ 49.659366][ T8] ? ret_from_fork+0x1f/0x30
[ 49.664300][ T8] ? stack_trace_save+0x113/0x1c0
[ 49.669463][ T8] ? _raw_spin_unlock_irqrestore+0x5c/0x80
[ 49.675698][ T8] ? __stack_depot_save+0x40d/0x470
[ 49.681377][ T8] ? ext4_ext_release+0x10/0x10
[ 49.686140][ T8] ? __kasan_slab_alloc+0xc3/0xe0
[ 49.691085][ T8] ? __kasan_slab_alloc+0xb1/0xe0
[ 49.696130][ T8] ? slab_post_alloc_hook+0x53/0x2c0
[ 49.701321][ T8] ? kmem_cache_alloc+0xf5/0x200
[ 49.706281][ T8] ? ext4_alloc_io_end_vec+0x2a/0x170
[ 49.711483][ T8] ? ext4_writepages+0x13b4/0x4000
[ 49.716502][ T8] ? do_writepages+0x40e/0x670
[ 49.721217][ T8] ? __writeback_single_inode+0xdf/0xa70
[ 49.727059][ T8] ? writeback_sb_inodes+0xb2a/0x1920
[ 49.732556][ T8] ? wb_writeback+0x3b9/0x9e0
[ 49.737080][ T8] ? wb_workfn+0x3d9/0x1110
[ 49.741671][ T8] ? process_one_work+0x6bb/0xc10
[ 49.746535][ T8] ? worker_thread+0xad5/0x12a0
[ 49.751386][ T8] ? kthread+0x421/0x510
[ 49.755550][ T8] ? ret_from_fork+0x1f/0x30
[ 49.759983][ T8] ? _raw_read_unlock+0x25/0x40
[ 49.764770][ T8] ? ext4_es_lookup_extent+0x33b/0x940
[ 49.770071][ T8] ext4_map_blocks+0xaa7/0x1e00
[ 49.775063][ T8] ? ext4_issue_zeroout+0x250/0x250
[ 49.780082][ T8] ? ext4_inode_journal_mode+0x1a5/0x470
[ 49.785735][ T8] ext4_writepages+0x1628/0x4000
[ 49.790601][ T8] ? ext4_readpage+0x230/0x230
[ 49.795200][ T8] ? __kasan_check_read+0x11/0x20
[ 49.800328][ T8] ? shmem_getpage_gfp+0x21cd/0x23c0
[ 49.805524][ T8] ? copy_page_from_iter_atomic+0x7fd/0x10e0
[ 49.811889][ T8] ? memcpy+0x56/0x70
[ 49.815730][ T8] ? ext4_readpage+0x230/0x230
[ 49.820737][ T8] do_writepages+0x40e/0x670
[ 49.825140][ T8] ? __writepage+0x130/0x130
[ 49.829564][ T8] ? update_curr+0x31a/0x5d0
[ 49.833992][ T8] ? __update_load_avg_cfs_rq+0xb1/0x2f0
[ 49.839461][ T8] ? __kasan_check_write+0x14/0x20
[ 49.844406][ T8] ? _raw_spin_lock+0xa4/0x1b0
[ 49.849005][ T8] __writeback_single_inode+0xdf/0xa70
[ 49.854310][ T8] writeback_sb_inodes+0xb2a/0x1920
[ 49.859618][ T8] ? _raw_spin_lock+0xa4/0x1b0
[ 49.864203][ T8] ? queue_io+0x520/0x520
[ 49.868482][ T8] ? __writeback_inodes_wb+0x3f0/0x3f0
[ 49.874072][ T8] ? queue_io+0x3d0/0x520
[ 49.878230][ T8] wb_writeback+0x3b9/0x9e0
[ 49.882573][ T8] ? inode_cgwb_move_to_attached+0x3c0/0x3c0
[ 49.888380][ T8] ? set_worker_desc+0x158/0x1c0
[ 49.893346][ T8] ? __update_load_avg_cfs_rq+0xb1/0x2f0
[ 49.898805][ T8] ? __kasan_check_write+0x14/0x20
[ 49.903761][ T8] wb_workfn+0x3d9/0x1110
[ 49.908056][ T8] ? inode_wait_for_writeback+0x280/0x280
[ 49.913770][ T8] ? sched_clock+0x9/0x10
[ 49.917918][ T8] ? native_set_ldt+0x360/0x360
[ 49.922605][ T8] ? _raw_spin_unlock+0x4d/0x70
[ 49.927293][ T8] ? finish_task_switch+0x167/0x7b0
[ 49.932328][ T8] ? __kasan_check_read+0x11/0x20
[ 49.937186][ T8] ? read_word_at_a_time+0x12/0x20
[ 49.942134][ T8] ? strscpy+0x9c/0x260
[ 49.946216][ T8] process_one_work+0x6bb/0xc10
[ 49.950905][ T8] worker_thread+0xad5/0x12a0
[ 49.955426][ T8] kthread+0x421/0x510
[ 49.959412][ T8] ? worker_clr_flags+0x180/0x180
[ 49.964279][ T8] ? kthread_blkcg+0xd0/0xd0
[ 49.968696][ T8] ret_from_fork+0x1f/0x30
[ 49.973140][ T8]
[ 49.976005][ T8]
[ 49.978154][ T8] The buggy address belongs to the page:
[ 49.983682][ T8] page:ffffea00046a9340 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x11aa4d
[ 49.993736][ T8] flags: 0x4000000000000000(zone=1)
[ 49.998920][ T8] raw: 4000000000000000 ffffea000478ee88 ffffea0004449008 0000000000000000
[ 50.007658][ T8] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
[ 50.016218][ T8] page dumped because: kasan: bad access detected
[ 50.022552][ T8] page_owner tracks the page as freed
[ 50.027761][ T8] page last allocated via order 0, migratetype Movable, gfp_mask 0x100cca(GFP_HIGHUSER_MOVABLE), pid 294, ts 29568252463, free_ts 30768283336
[ 50.042246][ T8] post_alloc_hook+0x1a3/0x1b0
[ 50.046838][ T8] prep_new_page+0x1b/0x110
[ 50.051181][ T8] get_page_from_freelist+0x3550/0x35d0
[ 50.056572][ T8] __alloc_pages+0x27e/0x8f0
[ 50.060982][ T8] wp_page_copy+0x200/0x1b00
[ 50.065410][ T8] do_wp_page+0x6fa/0xb60
[ 50.069577][ T8] handle_pte_fault+0x7c0/0x24d0
[ 50.074350][ T8] do_handle_mm_fault+0x20bc/0x2400
[ 50.079384][ T8] exc_page_fault+0x26f/0x830
[ 50.083898][ T8] asm_exc_page_fault+0x27/0x30
[ 50.088600][ T8] page last free stack trace:
[ 50.093207][ T8] free_unref_page_prepare+0x7c8/0x7d0
[ 50.098491][ T8] free_unref_page_list+0x14b/0xa60
[ 50.103518][ T8] release_pages+0x1310/0x1370
[ 50.108318][ T8] free_pages_and_swap_cache+0x8a/0xa0
[ 50.113879][ T8] tlb_flush_mmu+0xd0/0x180
[ 50.118326][ T8] unmap_page_range+0x1c70/0x1ed0
[ 50.123337][ T8] unmap_vmas+0x389/0x560
[ 50.127522][ T8] exit_mmap+0x3e4/0x940
[ 50.131670][ T8] __mmput+0x95/0x310
[ 50.135484][ T8] mmput+0x5b/0x170
[ 50.139238][ T8] do_exit+0xb9c/0x2ca0
[ 50.143231][ T8] do_group_exit+0x141/0x310
[ 50.147656][ T8] get_signal+0x7a3/0x1630
[ 50.152185][ T8] arch_do_signal_or_restart+0xbd/0x1680
[ 50.157635][ T8] exit_to_user_mode_loop+0xa0/0xe0
[ 50.162827][ T8] exit_to_user_mode_prepare+0x5a/0xa0
[ 50.168206][ T8]
[ 50.170369][ T8] Memory state around the buggy address:
[ 50.175842][ T8] ffff88811aa4db00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 50.183912][ T8] ffff88811aa4db80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 50.191815][ T8] >ffff88811aa4dc00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 50.199796][ T8] ^
[ 50.204226][ T8] ffff88811aa4dc80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 50.212241][ T8] ffff88811aa4dd00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 50.220127][ T8] ==================================================================
[ 50.228234][ T8] Disabling lock debugging due to kernel taint
[ 50.237782][ T8] ------------[ cut here ]------------
[ 50.243569][ T8] kernel BUG at fs/ext4/inode.c:2421!
[ 50.248819][ T8] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 50.254668][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Tainted: G B 5.15.151-syzkaller-1069658-gd0a6506ecafd #0
[ 50.266031][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
[ 50.275928][ T8] Workqueue: writeback wb_workfn (flush-7:0)
[ 50.281895][ T8] RIP: 0010:ext4_writepages+0x3f4b/0x4000
[ 50.287495][ T8] Code: 00 74 08 48 89 df e8 a4 cc c9 ff 48 8b 3b 48 8b 74 24 48 48 8b 54 24 28 44 89 e9 45 89 f8 e8 4c 34 08 00 eb 58 e8 25 a6 87 ff <0f> 0b e8 1e a6 87 ff eb 3b e8 17 a6 87 ff eb 72 e8 10 a6 87 ff 31
[ 50.307033][ T8] RSP: 0018:ffffc90000087000 EFLAGS: 00010293
[ 50.312936][ T8] RAX: ffffffff81e89a1b RBX: dffffc0000000000 RCX: ffff88810026cf00
[ 50.320740][ T8] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 50.328550][ T8] RBP: ffffc90000087410 R08: ffffffff81e873db R09: ffffed1023264d4a
[ 50.336451][ T8] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[ 50.344360][ T8] R13: ffffc900000872e0 R14: 0000000000000000 R15: 0000000000000000
[ 50.352522][ T8] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 50.361376][ T8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.367799][ T8] CR2: 000055555669d818 CR3: 0000000105fd6000 CR4: 00000000003506a0
[ 50.375820][ T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 50.383626][ T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 50.391657][ T8] Call Trace:
[ 50.394770][ T8]
[ 50.397777][ T8] ? __die_body+0x62/0xb0
[ 50.401923][ T8] ? die+0x88/0xb0
[ 50.405653][ T8] ? do_trap+0x103/0x330
[ 50.409740][ T8] ? ext4_writepages+0x3f4b/0x4000
[ 50.414715][ T8] ? handle_invalid_op+0x95/0xc0
[ 50.419452][ T8] ? ext4_writepages+0x3f4b/0x4000
[ 50.424934][ T8] ? exc_invalid_op+0x32/0x50
[ 50.429434][ T8] ? asm_exc_invalid_op+0x1b/0x20
[ 50.434321][ T8] ? ext4_writepages+0x190b/0x4000
[ 50.439246][ T8] ? ext4_writepages+0x3f4b/0x4000
[ 50.444197][ T8] ? ext4_writepages+0x3f4b/0x4000
[ 50.449144][ T8] ? ext4_readpage+0x230/0x230
[ 50.453833][ T8] ? __kasan_check_read+0x11/0x20
[ 50.458685][ T8] ? shmem_getpage_gfp+0x21cd/0x23c0
[ 50.463945][ T8] ? copy_page_from_iter_atomic+0x7fd/0x10e0
[ 50.469759][ T8] ? memcpy+0x56/0x70
[ 50.473691][ T8] ? ext4_readpage+0x230/0x230
[ 50.478265][ T8] do_writepages+0x40e/0x670
[ 50.482770][ T8] ? __writepage+0x130/0x130
[ 50.487256][ T8] ? update_curr+0x31a/0x5d0
[ 50.491884][ T8] ? __update_load_avg_cfs_rq+0xb1/0x2f0
[ 50.497449][ T8] ? __kasan_check_write+0x14/0x20
[ 50.502475][ T8] ? _raw_spin_lock+0xa4/0x1b0
[ 50.507078][ T8] __writeback_single_inode+0xdf/0xa70
[ 50.512440][ T8] writeback_sb_inodes+0xb2a/0x1920
[ 50.517819][ T8] ? _raw_spin_lock+0xa4/0x1b0
[ 50.522423][ T8] ? queue_io+0x520/0x520
[ 50.526596][ T8] ? __writeback_inodes_wb+0x3f0/0x3f0
[ 50.531974][ T8] ? queue_io+0x3d0/0x520
[ 50.536267][ T8] wb_writeback+0x3b9/0x9e0
[ 50.540600][ T8] ? inode_cgwb_move_to_attached+0x3c0/0x3c0
[ 50.546509][ T8] ? set_worker_desc+0x158/0x1c0
[ 50.551269][ T8] ? __update_load_avg_cfs_rq+0xb1/0x2f0
[ 50.556828][ T8] ? __kasan_check_write+0x14/0x20
[ 50.561779][ T8] wb_workfn+0x3d9/0x1110
[ 50.566037][ T8] ? inode_wait_for_writeback+0x280/0x280
[ 50.571877][ T8] ? sched_clock+0x9/0x10
[ 50.576042][ T8] ? native_set_ldt+0x360/0x360
[ 50.580729][ T8] ? _raw_spin_unlock+0x4d/0x70
[ 50.585437][ T8] ? finish_task_switch+0x167/0x7b0
[ 50.590717][ T8] ? __kasan_check_read+0x11/0x20
[ 50.595606][ T8] ? read_word_at_a_time+0x12/0x20
[ 50.600536][ T8] ? strscpy+0x9c/0x260
[ 50.604527][ T8] process_one_work+0x6bb/0xc10
[ 50.609221][ T8] worker_thread+0xad5/0x12a0
[ 50.613731][ T8] kthread+0x421/0x510
[ 50.617641][ T8] ? worker_clr_flags+0x180/0x180
[ 50.622666][ T8] ? kthread_blkcg+0xd0/0xd0
[ 50.627104][ T8] ret_from_fork+0x1f/0x30
[ 50.631361][ T8]
[ 50.634213][ T8] Modules linked in:
[ 50.639862][ T8] ---[ end trace 173778ccd75f0cc0 ]---
[ 50.645337][ T8] RIP: 0010:ext4_writepages+0x3f4b/0x4000
[ 50.651064][ T8] Code: 00 74 08 48 89 df e8 a4 cc c9 ff 48 8b 3b 48 8b 74 24 48 48 8b 54 24 28 44 89 e9 45 89 f8 e8 4c 34 08 00 eb 58 e8 25 a6 87 ff <0f> 0b e8 1e a6 87 ff eb 3b e8 17 a6 87 ff eb 72 e8 10 a6 87 ff 31
[ 50.671019][ T8] RSP: 0018:ffffc90000087000 EFLAGS: 00010293
[ 50.676879][ T8] RAX: ffffffff81e89a1b RBX: dffffc0000000000 RCX: ffff88810026cf00
[ 50.684924][ T8] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 50.692733][ T8] RBP: ffffc90000087410 R08: ffffffff81e873db R09: ffffed1023264d4a
[ 50.700642][ T8] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[ 50.708615][ T8] R13: ffffc900000872e0 R14: 0000000000000000 R15: 0000000000000000
[ 50.716573][ T8] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 50.725525][ T8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.732026][ T8] CR2: 000055555669d818 CR3: 0000000105fd6000 CR4: 00000000003506a0
[ 50.740012][ T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 50.747836][ T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 50.755864][ T8] Kernel panic - not syncing: Fatal exception
[ 50.762023][ T8] Kernel Offset: disabled
[ 50.766164][ T8] Rebooting in 86400 seconds..