Warning: Permanently added '10.128.0.141' (ED25519) to the list of known hosts.
2025/10/13 21:48:41 parsed 1 programs
[ 45.885829][ T28] audit: type=1400 audit(1760392122.035:106): avc: denied { unlink } for pid=397 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t"
[ 45.927917][ T397] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 46.902158][ T28] audit: type=1401 audit(1760392123.045:107): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768"
[ 46.949897][ T427] bridge0: port 1(bridge_slave_0) entered blocking state
[ 46.957169][ T427] bridge0: port 1(bridge_slave_0) entered disabled state
[ 46.964614][ T427] device bridge_slave_0 entered promiscuous mode
[ 46.972469][ T427] bridge0: port 2(bridge_slave_1) entered blocking state
[ 46.979600][ T427] bridge0: port 2(bridge_slave_1) entered disabled state
[ 46.987201][ T427] device bridge_slave_1 entered promiscuous mode
[ 47.030300][ T427] bridge0: port 2(bridge_slave_1) entered blocking state
[ 47.037360][ T427] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 47.044856][ T427] bridge0: port 1(bridge_slave_0) entered blocking state
[ 47.052065][ T427] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 47.070039][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 47.077597][ T421] bridge0: port 1(bridge_slave_0) entered disabled state
[ 47.084939][ T421] bridge0: port 2(bridge_slave_1) entered disabled state
[ 47.094988][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 47.103173][ T421] bridge0: port 1(bridge_slave_0) entered blocking state
[ 47.110415][ T421] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 47.119385][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 47.127626][ T421] bridge0: port 2(bridge_slave_1) entered blocking state
[ 47.134683][ T421] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 47.146895][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 47.156557][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 47.170047][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 47.182545][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 47.190829][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 47.198589][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 47.207030][ T427] device veth0_vlan entered promiscuous mode
[ 47.217796][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 47.227387][ T427] device veth1_macvtap entered promiscuous mode
[ 47.237315][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 47.247486][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
2025/10/13 21:48:43 executed programs: 0
[ 47.849842][ T465] bridge0: port 1(bridge_slave_0) entered blocking state
[ 47.857256][ T465] bridge0: port 1(bridge_slave_0) entered disabled state
[ 47.866190][ T465] device bridge_slave_0 entered promiscuous mode
[ 47.876525][ T465] bridge0: port 2(bridge_slave_1) entered blocking state
[ 47.883694][ T465] bridge0: port 2(bridge_slave_1) entered disabled state
[ 47.891174][ T465] device bridge_slave_1 entered promiscuous mode
[ 47.937361][ T465] bridge0: port 2(bridge_slave_1) entered blocking state
[ 47.944591][ T465] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 47.951928][ T465] bridge0: port 1(bridge_slave_0) entered blocking state
[ 47.958983][ T465] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 47.978004][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 47.986285][ T421] bridge0: port 1(bridge_slave_0) entered disabled state
[ 47.993662][ T421] bridge0: port 2(bridge_slave_1) entered disabled state
[ 48.008124][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 48.016407][ T421] bridge0: port 1(bridge_slave_0) entered blocking state
[ 48.023535][ T421] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 48.031249][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 48.040345][ T421] bridge0: port 2(bridge_slave_1) entered blocking state
[ 48.047533][ T421] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 48.061078][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 48.069099][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 48.082155][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 48.093536][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 48.102191][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 48.110019][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 48.118529][ T465] device veth0_vlan entered promiscuous mode
[ 48.130927][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 48.140071][ T465] device veth1_macvtap entered promiscuous mode
[ 48.149109][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 48.158931][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 48.187095][ T476] loop2: detected capacity change from 0 to 1024
[ 48.193942][ T476] EXT4-fs: Ignoring removed mblk_io_submit option
[ 48.201533][ T476] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 48.226813][ T476] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none.
[ 48.235577][ T28] audit: type=1400 audit(1760392124.385:108): avc: denied { mount } for pid=475 comm="syz.2.16" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 48.257082][ T8] EXT4-fs error (device loop2): ext4_map_blocks:745: inode #15: block 40889252790367: comm kworker/u4:0: lblock 0 mapped to illegal pblock 40889252790367 (length 1)
[ 48.257264][ T28] audit: type=1400 audit(1760392124.385:109): avc: denied { write } for pid=475 comm="syz.2.16" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 48.295570][ T28] audit: type=1400 audit(1760392124.385:110): avc: denied { add_name } for pid=475 comm="syz.2.16" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 48.296581][ T8] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117
[ 48.316119][ T28] audit: type=1400 audit(1760392124.385:111): avc: denied { create } for pid=475 comm="syz.2.16" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 48.349089][ T28] audit: type=1400 audit(1760392124.385:112): avc: denied { read write } for pid=475 comm="syz.2.16" name="file1" dev="loop2" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1
[ 48.349398][ T8] EXT4-fs (loop2): This should not happen!! Data will be lost
[ 48.349398][ T8]
[ 48.371641][ T28] audit: type=1400 audit(1760392124.385:113): avc: denied { open } for pid=475 comm="syz.2.16" path="/0/file1/file1" dev="loop2" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1
[ 48.403964][ T28] audit: type=1400 audit(1760392124.395:114): avc: denied { setattr } for pid=475 comm="syz.2.16" name="file1" dev="loop2" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1
[ 48.428357][ T465] EXT4-fs (loop2): unmounting filesystem.
[ 48.450842][ T481] loop2: detected capacity change from 0 to 1024
[ 48.458426][ T481] EXT4-fs: Ignoring removed mblk_io_submit option
[ 48.465120][ T481] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 48.486656][ T481] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none.
[ 48.508872][ T421] ==================================================================
[ 48.517041][ T421] BUG: KASAN: use-after-free in ext4_find_extent+0xbeb/0xe20
[ 48.524410][ T421] Read of size 4 at addr ffff88812fcd5018 by task kworker/u4:4/421
[ 48.532313][ T421]
[ 48.534638][ T421] CPU: 0 PID: 421 Comm: kworker/u4:4 Not tainted syzkaller #0
[ 48.542093][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 48.552159][ T421] Workqueue: writeback wb_workfn (flush-7:2)
[ 48.558150][ T421] Call Trace:
[ 48.561426][ T421]
[ 48.564368][ T421] __dump_stack+0x21/0x24
[ 48.568691][ T421] dump_stack_lvl+0xee/0x150
[ 48.573309][ T421] ? __cfi_dump_stack_lvl+0x8/0x8
[ 48.578320][ T421] ? ext4_find_extent+0xbeb/0xe20
[ 48.583338][ T421] print_address_description+0x71/0x200
[ 48.588886][ T421] print_report+0x4a/0x60
[ 48.593316][ T421] kasan_report+0x122/0x150
[ 48.597822][ T421] ? ext4_find_extent+0xbeb/0xe20
[ 48.603192][ T421] __asan_report_load4_noabort+0x14/0x20
[ 48.608840][ T421] ext4_find_extent+0xbeb/0xe20
[ 48.613689][ T421] ext4_ext_map_blocks+0x1dc/0x6060
[ 48.618890][ T421] ? __stack_depot_save+0x36/0x480
[ 48.624007][ T421] ? kasan_set_track+0x60/0x70
[ 48.628758][ T421] ? kasan_set_track+0x4b/0x70
[ 48.633511][ T421] ? kasan_save_alloc_info+0x25/0x30
[ 48.638789][ T421] ? __kasan_slab_alloc+0x72/0x80
[ 48.643804][ T421] ? slab_post_alloc_hook+0x4f/0x2d0
[ 48.649075][ T421] ? kmem_cache_alloc+0x16e/0x330
[ 48.654087][ T421] ? ext4_alloc_io_end_vec+0x2a/0x160
[ 48.659453][ T421] ? ext4_writepages+0xf42/0x3020
[ 48.664468][ T421] ? do_writepages+0x3a9/0x5e0
[ 48.669244][ T421] ? __writeback_single_inode+0xc6/0xad0
[ 48.674958][ T421] ? writeback_sb_inodes+0x9b8/0x1550
[ 48.680591][ T421] ? wb_writeback+0x3f1/0x980
[ 48.685290][ T421] ? wb_workfn+0x350/0xda0
[ 48.690153][ T421] ? process_one_work+0x71f/0xc40
[ 48.695181][ T421] ? worker_thread+0xa29/0x11f0
[ 48.700580][ T421] ? kthread+0x281/0x320
[ 48.704811][ T421] ? __cfi_ext4_ext_map_blocks+0x10/0x10
[ 48.710443][ T421] ? ext4_es_lookup_extent+0x32d/0x8c0
[ 48.715914][ T421] ext4_map_blocks+0x9cb/0x1b60
[ 48.720768][ T421] ? __cfi_ext4_map_blocks+0x10/0x10
[ 48.726049][ T421] ? ext4_inode_journal_mode+0x19a/0x480
[ 48.731724][ T421] ext4_writepages+0x1260/0x3020
[ 48.736714][ T421] ? arch_stack_walk+0x124/0x150
[ 48.741649][ T421] ? xas_load+0x39e/0x3b0
[ 48.745965][ T421] ? __cfi_ext4_writepages+0x10/0x10
[ 48.751419][ T421] ? __kasan_check_write+0x14/0x20
[ 48.756526][ T421] ? __filemap_get_folio+0x81c/0x980
[ 48.761895][ T421] ? ext4_end_io_rsv_work+0x2b9/0x600
[ 48.767526][ T421] ? process_one_work+0x71f/0xc40
[ 48.772908][ T421] ? worker_thread+0xa29/0x11f0
[ 48.777771][ T421] ? __kasan_check_read+0x11/0x20
[ 48.782811][ T421] ? folio_mark_accessed+0x1b8/0x3f0
[ 48.788191][ T421] ? memcpy+0x56/0x70
[ 48.792195][ T421] ? __cfi_ext4_writepages+0x10/0x10
[ 48.797577][ T421] do_writepages+0x3a9/0x5e0
[ 48.802170][ T421] ? __update_load_avg_cfs_rq+0xaf/0x2f0
[ 48.807814][ T421] ? __cfi_do_writepages+0x10/0x10
[ 48.812914][ T421] ? __kasan_check_write+0x14/0x20
[ 48.818044][ T421] ? _raw_spin_lock+0x8e/0xe0
[ 48.822718][ T421] __writeback_single_inode+0xc6/0xad0
[ 48.828267][ T421] ? inode_io_list_move_locked+0x366/0x3d0
[ 48.834078][ T421] writeback_sb_inodes+0x9b8/0x1550
[ 48.839296][ T421] ? check_preempt_wakeup+0x7fd/0xbc0
[ 48.844671][ T421] ? queue_io+0x4c0/0x4c0
[ 48.849048][ T421] ? __kasan_check_read+0x11/0x20
[ 48.854166][ T421] ? queue_io+0x382/0x4c0
[ 48.858524][ T421] wb_writeback+0x3f1/0x980
[ 48.863058][ T421] ? inode_cgwb_move_to_attached+0x3e0/0x3e0
[ 48.869039][ T421] ? set_worker_desc+0x155/0x1c0
[ 48.873994][ T421] ? update_load_avg+0x4c2/0x13f0
[ 48.879019][ T421] ? __kasan_check_write+0x14/0x20
[ 48.884141][ T421] ? sched_clock_cpu+0x6e/0x250
[ 48.888980][ T421] wb_workfn+0x350/0xda0
[ 48.893247][ T421] ? __cfi_wb_workfn+0x10/0x10
[ 48.898021][ T421] ? kthread_data+0x50/0xc0
[ 48.902600][ T421] ? _raw_spin_unlock+0x4c/0x70
[ 48.907439][ T421] ? finish_task_switch+0x16b/0x7b0
[ 48.912631][ T421] ? __switch_to_asm+0x3a/0x60
[ 48.917385][ T421] ? __schedule+0xb8f/0x14e0
[ 48.922056][ T421] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 48.927680][ T421] process_one_work+0x71f/0xc40
[ 48.932524][ T421] worker_thread+0xa29/0x11f0
[ 48.937186][ T421] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 48.942647][ T421] ? __kthread_parkme+0x142/0x180
[ 48.947714][ T421] kthread+0x281/0x320
[ 48.951874][ T421] ? __cfi_worker_thread+0x10/0x10
[ 48.957222][ T421] ? __cfi_kthread+0x10/0x10
[ 48.961919][ T421] ret_from_fork+0x1f/0x30
[ 48.966345][ T421]
[ 48.969370][ T421]
[ 48.971701][ T421] The buggy address belongs to the physical page:
[ 48.978120][ T421] page:ffffea0004bf3540 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12fcd5
[ 48.988524][ T421] flags: 0x4000000000000000(zone=1)
[ 48.993728][ T421] raw: 4000000000000000 ffffea0004bf3548 ffffea0004bf3548 0000000000000000
[ 49.002300][ T421] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 49.010960][ T421] page dumped because: kasan: bad access detected
[ 49.017372][ T421] page_owner info is not present (never set?)
[ 49.023437][ T421]
[ 49.025748][ T421] Memory state around the buggy address:
[ 49.031363][ T421] ffff88812fcd4f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 49.039413][ T421] ffff88812fcd4f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 49.047461][ T421] >ffff88812fcd5000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 49.055503][ T421] ^
[ 49.060432][ T421] ffff88812fcd5080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 49.068481][ T421] ffff88812fcd5100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 49.076547][ T421] ==================================================================
[ 49.087474][ T421] Disabling lock debugging due to kernel taint
[ 49.092456][ T28] audit: type=1400 audit(1760392125.235:115): avc: denied { read } for pid=84 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1
[ 49.097198][ T421] ------------[ cut here ]------------
[ 49.121093][ T421] kernel BUG at fs/ext4/inode.c:2447!
[ 49.127599][ T421] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 49.133801][ T421] CPU: 0 PID: 421 Comm: kworker/u4:4 Tainted: G B syzkaller #0
[ 49.142821][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 49.153159][ T421] Workqueue: writeback wb_workfn (flush-7:2)
[ 49.159139][ T421] RIP: 0010:ext4_writepages+0x2f61/0x3020
[ 49.164937][ T421] Code: 08 48 89 df e8 30 f1 ca ff 48 8b 3b 48 8b 74 24 40 48 8b 54 24 30 48 8b 4c 24 20 45 89 f0 e8 86 c7 07 00 eb 5b e8 1f 83 86 ff <0f> 0b e8 18 83 86 ff eb 2f e8 11 83 86 ff eb 69 e8 0a 83 86 ff 31
[ 49.184527][ T421] RSP: 0018:ffffc90000ca7120 EFLAGS: 00010293
[ 49.190727][ T421] RAX: ffffffff81e99ae1 RBX: 0000000000000000 RCX: ffff888118e1d100
[ 49.198783][ T421] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 49.206749][ T421] RBP: ffffc90000ca7490 R08: dffffc0000000000 R09: ffffed1024735695
[ 49.214711][ T421] R10: ffffed1024735695 R11: 1ffff11024735694 R12: dffffc0000000000
[ 49.222674][ T421] R13: 0000000000000000 R14: ffff8881239ab4e0 R15: 000000000000042b
[ 49.230636][ T421] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 49.239654][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.246224][ T421] CR2: 00007f40b93f5000 CR3: 000000010f192000 CR4: 00000000003506b0
[ 49.254271][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 49.262404][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 49.270362][ T421] Call Trace:
[ 49.273698][ T421]
[ 49.276631][ T421] ? arch_stack_walk+0x124/0x150
[ 49.281742][ T421] ? xas_load+0x39e/0x3b0
[ 49.286062][ T421] ? __cfi_ext4_writepages+0x10/0x10
[ 49.291389][ T421] ? __kasan_check_write+0x14/0x20
[ 49.296490][ T421] ? __filemap_get_folio+0x81c/0x980
[ 49.301760][ T421] ? ext4_end_io_rsv_work+0x2b9/0x600
[ 49.307141][ T421] ? process_one_work+0x71f/0xc40
[ 49.312163][ T421] ? worker_thread+0xa29/0x11f0
[ 49.317020][ T421] ? __kasan_check_read+0x11/0x20
[ 49.322037][ T421] ? folio_mark_accessed+0x1b8/0x3f0
[ 49.327329][ T421] ? memcpy+0x56/0x70
[ 49.331332][ T421] ? __cfi_ext4_writepages+0x10/0x10
[ 49.336610][ T421] do_writepages+0x3a9/0x5e0
[ 49.341233][ T421] ? __update_load_avg_cfs_rq+0xaf/0x2f0
[ 49.346869][ T421] ? __cfi_do_writepages+0x10/0x10
[ 49.352045][ T421] ? __kasan_check_write+0x14/0x20
[ 49.357150][ T421] ? _raw_spin_lock+0x8e/0xe0
[ 49.361811][ T421] __writeback_single_inode+0xc6/0xad0
[ 49.367262][ T421] ? inode_io_list_move_locked+0x366/0x3d0
[ 49.373086][ T421] writeback_sb_inodes+0x9b8/0x1550
[ 49.378271][ T421] ? check_preempt_wakeup+0x7fd/0xbc0
[ 49.383636][ T421] ? queue_io+0x4c0/0x4c0
[ 49.387972][ T421] ? __kasan_check_read+0x11/0x20
[ 49.393506][ T421] ? queue_io+0x382/0x4c0
[ 49.397998][ T421] wb_writeback+0x3f1/0x980
[ 49.402501][ T421] ? inode_cgwb_move_to_attached+0x3e0/0x3e0
[ 49.408572][ T421] ? set_worker_desc+0x155/0x1c0
[ 49.413506][ T421] ? update_load_avg+0x4c2/0x13f0
[ 49.418523][ T421] ? __kasan_check_write+0x14/0x20
[ 49.423632][ T421] ? sched_clock_cpu+0x6e/0x250
[ 49.428559][ T421] wb_workfn+0x350/0xda0
[ 49.432807][ T421] ? __cfi_wb_workfn+0x10/0x10
[ 49.437578][ T421] ? kthread_data+0x50/0xc0
[ 49.442071][ T421] ? _raw_spin_unlock+0x4c/0x70
[ 49.447093][ T421] ? finish_task_switch+0x16b/0x7b0
[ 49.452661][ T421] ? __switch_to_asm+0x3a/0x60
[ 49.457517][ T421] ? __schedule+0xb8f/0x14e0
[ 49.462102][ T421] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 49.467730][ T421] process_one_work+0x71f/0xc40
[ 49.472667][ T421] worker_thread+0xa29/0x11f0
[ 49.477374][ T421] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 49.482916][ T421] ? __kthread_parkme+0x142/0x180
[ 49.487930][ T421] kthread+0x281/0x320
[ 49.491996][ T421] ? __cfi_worker_thread+0x10/0x10
[ 49.497265][ T421] ? __cfi_kthread+0x10/0x10
[ 49.502018][ T421] ret_from_fork+0x1f/0x30
[ 49.506607][ T421]
[ 49.509628][ T421] Modules linked in:
[ 49.514511][ T421] ---[ end trace 0000000000000000 ]---
[ 49.520065][ T421] RIP: 0010:ext4_writepages+0x2f61/0x3020
[ 49.525972][ T421] Code: 08 48 89 df e8 30 f1 ca ff 48 8b 3b 48 8b 74 24 40 48 8b 54 24 30 48 8b 4c 24 20 45 89 f0 e8 86 c7 07 00 eb 5b e8 1f 83 86 ff <0f> 0b e8 18 83 86 ff eb 2f e8 11 83 86 ff eb 69 e8 0a 83 86 ff 31
[ 49.546247][ T421] RSP: 0018:ffffc90000ca7120 EFLAGS: 00010293
[ 49.552785][ T421] RAX: ffffffff81e99ae1 RBX: 0000000000000000 RCX: ffff888118e1d100
[ 49.561002][ T421] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 49.569375][ T421] RBP: ffffc90000ca7490 R08: dffffc0000000000 R09: ffffed1024735695
[ 49.577558][ T421] R10: ffffed1024735695 R11: 1ffff11024735694 R12: dffffc0000000000
[ 49.585867][ T421] R13: 0000000000000000 R14: ffff8881239ab4e0 R15: 000000000000042b
[ 49.593850][ T421] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 49.602823][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.609849][ T421] CR2: 000055558573d4a8 CR3: 0000000110176000 CR4: 00000000003506a0
[ 49.618093][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 49.626121][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 49.634211][ T421] Kernel panic - not syncing: Fatal exception
[ 49.640575][ T421] Kernel Offset: disabled
[ 49.644901][ T421] Rebooting in 86400 seconds..