syzkaller
syzkaller login: [ 14.153077][ T28] kauditd_printk_skb: 31 callbacks suppressed
[ 14.153091][ T28] audit: type=1400 audit(1759112125.098:59): avc: denied { transition } for pid=224 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 14.157322][ T28] audit: type=1400 audit(1759112125.098:60): avc: denied { noatsecure } for pid=224 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 14.160250][ T28] audit: type=1400 audit(1759112125.098:61): avc: denied { write } for pid=224 comm="sh" path="pipe:[14195]" dev="pipefs" ino=14195 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 14.163822][ T28] audit: type=1400 audit(1759112125.098:62): avc: denied { rlimitinh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 14.166847][ T28] audit: type=1400 audit(1759112125.098:63): avc: denied { siginh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 14.176955][ T221] sshd-session (221) used greatest stack depth: 22304 bytes left
[ 15.879099][ T228] sftp-server (228) used greatest stack depth: 21056 bytes left
Warning: Permanently added '10.128.0.44' (ED25519) to the list of known hosts.
2025/09/29 02:15:34 parsed 1 programs
[ 23.600859][ T28] audit: type=1400 audit(1759112134.538:64): avc: denied { node_bind } for pid=283 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 23.621559][ T28] audit: type=1400 audit(1759112134.538:65): avc: denied { module_request } for pid=283 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1
[ 24.742282][ T28] audit: type=1400 audit(1759112135.688:66): avc: denied { mounton } for pid=292 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1
[ 24.743511][ T292] cgroup: Unknown subsys name 'net'
[ 24.765117][ T28] audit: type=1400 audit(1759112135.688:67): avc: denied { mount } for pid=292 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 24.792551][ T28] audit: type=1400 audit(1759112135.718:68): avc: denied { unmount } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 24.792741][ T292] cgroup: Unknown subsys name 'devices'
[ 24.903675][ T292] cgroup: Unknown subsys name 'hugetlb'
[ 24.909452][ T292] cgroup: Unknown subsys name 'rlimit'
[ 25.052361][ T28] audit: type=1400 audit(1759112135.998:69): avc: denied { setattr } for pid=292 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 25.075584][ T28] audit: type=1400 audit(1759112135.998:70): avc: denied { create } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 25.094279][ T294] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 25.096304][ T28] audit: type=1400 audit(1759112135.998:71): avc: denied { write } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 25.124843][ T28] audit: type=1400 audit(1759112135.998:72): avc: denied { read } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 25.143001][ T292] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 25.145078][ T28] audit: type=1400 audit(1759112135.998:73): avc: denied { mounton } for pid=292 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1
[ 25.843568][ T296] request_module fs-gadgetfs succeeded, but still no fs?
[ 26.554939][ T346] bridge0: port 1(bridge_slave_0) entered blocking state
[ 26.562145][ T346] bridge0: port 1(bridge_slave_0) entered disabled state
[ 26.569557][ T346] device bridge_slave_0 entered promiscuous mode
[ 26.576599][ T346] bridge0: port 2(bridge_slave_1) entered blocking state
[ 26.583677][ T346] bridge0: port 2(bridge_slave_1) entered disabled state
[ 26.591051][ T346] device bridge_slave_1 entered promiscuous mode
[ 26.643068][ T346] bridge0: port 2(bridge_slave_1) entered blocking state
[ 26.650127][ T346] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 26.657452][ T346] bridge0: port 1(bridge_slave_0) entered blocking state
[ 26.664524][ T346] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 26.685962][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 26.693981][ T43] bridge0: port 1(bridge_slave_0) entered disabled state
[ 26.701148][ T43] bridge0: port 2(bridge_slave_1) entered disabled state
[ 26.710455][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 26.718638][ T43] bridge0: port 1(bridge_slave_0) entered blocking state
[ 26.725702][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 26.734549][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 26.742792][ T43] bridge0: port 2(bridge_slave_1) entered blocking state
[ 26.749817][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 26.762944][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 26.772587][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 26.787628][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 26.799577][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 26.807991][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 26.815678][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 26.828764][ T346] device veth0_vlan entered promiscuous mode
[ 26.839832][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 26.849145][ T346] device veth1_macvtap entered promiscuous mode
[ 26.859392][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 26.869779][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
2025/09/29 02:15:38 executed programs: 0
[ 27.162903][ T362] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.169957][ T362] bridge0: port 1(bridge_slave_0) entered disabled state
[ 27.177577][ T362] device bridge_slave_0 entered promiscuous mode
[ 27.189585][ T362] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.196762][ T362] bridge0: port 2(bridge_slave_1) entered disabled state
[ 27.204265][ T362] device bridge_slave_1 entered promiscuous mode
[ 27.260471][ T362] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.267557][ T362] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 27.274956][ T362] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.282013][ T362] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 27.308534][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 27.316334][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 27.323707][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 27.334269][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 27.342560][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.349603][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 27.360202][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 27.368623][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.375713][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 27.387875][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 27.398185][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 27.413820][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 27.425413][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 27.433818][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 27.441321][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 27.450768][ T362] device veth0_vlan entered promiscuous mode
[ 27.460950][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 27.469434][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 27.478931][ T362] device veth1_macvtap entered promiscuous mode
[ 27.488048][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 27.495775][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 27.504319][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 27.514114][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 27.522577][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 27.551388][ T373] loop2: detected capacity change from 0 to 1024
[ 27.558363][ T373] =======================================================
[ 27.558363][ T373] WARNING: The mand mount option has been deprecated and
[ 27.558363][ T373] and is ignored by this kernel. Remove the mand
[ 27.558363][ T373] option from the mount to silence this warning.
[ 27.558363][ T373] =======================================================
[ 27.594191][ T373] EXT4-fs: Ignoring removed nobh option
[ 27.599790][ T373] EXT4-fs: Ignoring removed bh option
[ 27.606388][ T373] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 27.623719][ T373] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[ 27.639505][ T315] ==================================================================
[ 27.647601][ T315] BUG: KASAN: use-after-free in ext4_find_extent+0xbeb/0xe20
[ 27.654979][ T315] Read of size 4 at addr ffff88812eb91018 by task kworker/u4:3/315
[ 27.662882][ T315]
[ 27.665198][ T315] CPU: 1 PID: 315 Comm: kworker/u4:3 Not tainted syzkaller #0
[ 27.672672][ T315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 27.682723][ T315] Workqueue: writeback wb_workfn (flush-7:2)
[ 27.688744][ T315] Call Trace:
[ 27.692048][ T315]
[ 27.695021][ T315] __dump_stack+0x21/0x24
[ 27.699376][ T315] dump_stack_lvl+0xee/0x150
[ 27.703974][ T315] ? __cfi_dump_stack_lvl+0x8/0x8
[ 27.709023][ T315] ? ext4_find_extent+0xbeb/0xe20
[ 27.714052][ T315] print_address_description+0x71/0x200
[ 27.719606][ T315] print_report+0x4a/0x60
[ 27.723951][ T315] kasan_report+0x122/0x150
[ 27.728465][ T315] ? ext4_find_extent+0xbeb/0xe20
[ 27.733494][ T315] __asan_report_load4_noabort+0x14/0x20
[ 27.739133][ T315] ext4_find_extent+0xbeb/0xe20
[ 27.743982][ T315] ? __cfi__raw_spin_lock_irqsave+0x10/0x10
[ 27.749879][ T315] ext4_ext_map_blocks+0x1dc/0x6060
[ 27.755076][ T315] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 27.760882][ T315] ? __stack_depot_save+0x445/0x480
[ 27.766078][ T315] ? kasan_set_track+0x60/0x70
[ 27.770842][ T315] ? kasan_set_track+0x4b/0x70
[ 27.775607][ T315] ? kasan_save_alloc_info+0x25/0x30
[ 27.780892][ T315] ? __kasan_slab_alloc+0x72/0x80
[ 27.785931][ T315] ? slab_post_alloc_hook+0x4f/0x2d0
[ 27.791258][ T315] ? kmem_cache_alloc+0x16e/0x330
[ 27.796285][ T315] ? ext4_alloc_io_end_vec+0x2a/0x160
[ 27.801666][ T315] ? ext4_writepages+0xf42/0x3020
[ 27.806700][ T315] ? do_writepages+0x3a9/0x5e0
[ 27.811457][ T315] ? __writeback_single_inode+0xc6/0xad0
[ 27.817091][ T315] ? writeback_sb_inodes+0x9b8/0x1550
[ 27.822473][ T315] ? wb_writeback+0x3f1/0x980
[ 27.827188][ T315] ? wb_workfn+0x350/0xda0
[ 27.831604][ T315] ? process_one_work+0x71f/0xc40
[ 27.836664][ T315] ? worker_thread+0xa29/0x11f0
[ 27.841540][ T315] ? kthread+0x281/0x320
[ 27.845816][ T315] ? __cfi_ext4_ext_map_blocks+0x10/0x10
[ 27.851456][ T315] ? ext4_es_lookup_extent+0x32d/0x8c0
[ 27.856937][ T315] ext4_map_blocks+0x9cb/0x1b60
[ 27.861801][ T315] ? __cfi_ext4_map_blocks+0x10/0x10
[ 27.867088][ T315] ? ext4_inode_journal_mode+0x19a/0x480
[ 27.872731][ T315] ext4_writepages+0x1260/0x3020
[ 27.877704][ T315] ? xas_load+0x39e/0x3b0
[ 27.882071][ T315] ? __cfi_ext4_writepages+0x10/0x10
[ 27.887362][ T315] ? __kasan_check_write+0x14/0x20
[ 27.892481][ T315] ? __filemap_get_folio+0x81c/0x980
[ 27.897778][ T315] ? __kasan_check_write+0x14/0x20
[ 27.902887][ T315] ? __cfi_ext4_writepages+0x10/0x10
[ 27.908178][ T315] do_writepages+0x3a9/0x5e0
[ 27.912774][ T315] ? __update_load_avg_cfs_rq+0xaf/0x2f0
[ 27.918409][ T315] ? __cfi_do_writepages+0x10/0x10
[ 27.923535][ T315] ? __kasan_check_write+0x14/0x20
[ 27.928644][ T315] ? _raw_spin_lock+0x8e/0xe0
[ 27.933330][ T315] __writeback_single_inode+0xc6/0xad0
[ 27.938789][ T315] ? inode_io_list_move_locked+0x366/0x3d0
[ 27.944613][ T315] writeback_sb_inodes+0x9b8/0x1550
[ 27.949834][ T315] ? check_preempt_wakeup+0x7fd/0xbc0
[ 27.955212][ T315] ? queue_io+0x4c0/0x4c0
[ 27.959556][ T315] ? __kasan_check_read+0x11/0x20
[ 27.964577][ T315] ? queue_io+0x382/0x4c0
[ 27.968910][ T315] wb_writeback+0x3f1/0x980
[ 27.973418][ T315] ? inode_cgwb_move_to_attached+0x3e0/0x3e0
[ 27.979482][ T315] ? set_worker_desc+0x155/0x1c0
[ 27.984421][ T315] ? update_load_avg+0x4c2/0x13f0
[ 27.989448][ T315] ? __kasan_check_write+0x14/0x20
[ 27.994558][ T315] ? __this_cpu_preempt_check+0x13/0x20
[ 28.000112][ T315] wb_workfn+0x350/0xda0
[ 28.004360][ T315] ? __cfi_wb_workfn+0x10/0x10
[ 28.009121][ T315] ? kthread_data+0x50/0xc0
[ 28.013617][ T315] ? _raw_spin_unlock+0x4c/0x70
[ 28.018465][ T315] ? finish_task_switch+0x16b/0x7b0
[ 28.023681][ T315] ? __switch_to_asm+0x3a/0x60
[ 28.028456][ T315] ? __schedule+0xb8f/0x14e0
[ 28.033041][ T315] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 28.038581][ T315] process_one_work+0x71f/0xc40
[ 28.043433][ T315] worker_thread+0xa29/0x11f0
[ 28.048110][ T315] kthread+0x281/0x320
[ 28.052179][ T315] ? __cfi_worker_thread+0x10/0x10
[ 28.057284][ T315] ? __cfi_kthread+0x10/0x10
[ 28.061866][ T315] ret_from_fork+0x1f/0x30
[ 28.066291][ T315]
[ 28.069301][ T315]
[ 28.071616][ T315] The buggy address belongs to the physical page:
[ 28.078020][ T315] page:ffffea0004bae440 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12eb91
[ 28.088273][ T315] flags: 0x4000000000000000(zone=1)
[ 28.093495][ T315] raw: 4000000000000000 ffffea0004bae448 ffffea0004bae448 0000000000000000
[ 28.102074][ T315] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 28.110648][ T315] page dumped because: kasan: bad access detected
[ 28.117058][ T315] page_owner info is not present (never set?)
[ 28.123105][ T315]
[ 28.125437][ T315] Memory state around the buggy address:
[ 28.131058][ T315] ffff88812eb90f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 28.139111][ T315] ffff88812eb90f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 28.147167][ T315] >ffff88812eb91000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 28.155238][ T315] ^
[ 28.160167][ T315] ffff88812eb91080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 28.168218][ T315] ffff88812eb91100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 28.176292][ T315] ==================================================================
[ 28.190172][ T315] Disabling lock debugging due to kernel taint
[ 28.196706][ T315] ------------[ cut here ]------------
[ 28.202302][ T315] kernel BUG at fs/ext4/inode.c:2447!
[ 28.208557][ T315] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 28.214671][ T315] CPU: 1 PID: 315 Comm: kworker/u4:3 Tainted: G B syzkaller #0
[ 28.223598][ T315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 28.233664][ T315] Workqueue: writeback wb_workfn (flush-7:2)
[ 28.239659][ T315] RIP: 0010:ext4_writepages+0x2f61/0x3020
[ 28.245379][ T315] Code: 08 48 89 df e8 90 f2 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 0f 89 86 ff <0f> 0b e8 08 89 86 ff eb 2f e8 01 89 86 ff eb 69 e8 fa 88 86 ff 31
[ 28.264978][ T315] RSP: 0018:ffffc900036d7120 EFLAGS: 00010293
[ 28.271063][ T315] RAX: ffffffff81e994f1 RBX: 0000000000000000 RCX: ffff88811022d100
[ 28.279048][ T315] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 28.287017][ T315] RBP: ffffc900036d7490 R08: dffffc0000000000 R09: ffffed1022b9f0dd
[ 28.295072][ T315] R10: ffffed1022b9f0dd R11: 1ffff11022b9f0dc R12: dffffc0000000000
[ 28.303040][ T315] R13: 0000000000000000 R14: ffff888115cf8720 R15: 000000000000042b
[ 28.311004][ T315] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 28.319928][ T315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.326506][ T315] CR2: 000000c006f98000 CR3: 0000000121978000 CR4: 00000000003506a0
[ 28.334483][ T315] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 28.342456][ T315] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 28.350422][ T315] Call Trace:
[ 28.353713][ T315]
[ 28.356648][ T315] ? xas_load+0x39e/0x3b0
[ 28.360980][ T315] ? __cfi_ext4_writepages+0x10/0x10
[ 28.366263][ T315] ? __kasan_check_write+0x14/0x20
[ 28.371373][ T315] ? __filemap_get_folio+0x81c/0x980
[ 28.376664][ T315] ? __kasan_check_write+0x14/0x20
[ 28.381770][ T315] ? __cfi_ext4_writepages+0x10/0x10
[ 28.387051][ T315] do_writepages+0x3a9/0x5e0
[ 28.391644][ T315] ? __update_load_avg_cfs_rq+0xaf/0x2f0
[ 28.397294][ T315] ? __cfi_do_writepages+0x10/0x10
[ 28.402398][ T315] ? __kasan_check_write+0x14/0x20
[ 28.407497][ T315] ? _raw_spin_lock+0x8e/0xe0
[ 28.412165][ T315] __writeback_single_inode+0xc6/0xad0
[ 28.417624][ T315] ? inode_io_list_move_locked+0x366/0x3d0
[ 28.423423][ T315] writeback_sb_inodes+0x9b8/0x1550
[ 28.428635][ T315] ? check_preempt_wakeup+0x7fd/0xbc0
[ 28.434001][ T315] ? queue_io+0x4c0/0x4c0
[ 28.438327][ T315] ? __kasan_check_read+0x11/0x20
[ 28.443341][ T315] ? queue_io+0x382/0x4c0
[ 28.447670][ T315] wb_writeback+0x3f1/0x980
[ 28.452216][ T315] ? inode_cgwb_move_to_attached+0x3e0/0x3e0
[ 28.458212][ T315] ? set_worker_desc+0x155/0x1c0
[ 28.463174][ T315] ? update_load_avg+0x4c2/0x13f0
[ 28.468219][ T315] ? __kasan_check_write+0x14/0x20
[ 28.473356][ T315] ? __this_cpu_preempt_check+0x13/0x20
[ 28.478954][ T315] wb_workfn+0x350/0xda0
[ 28.483314][ T315] ? __cfi_wb_workfn+0x10/0x10
[ 28.488081][ T315] ? kthread_data+0x50/0xc0
[ 28.492676][ T315] ? _raw_spin_unlock+0x4c/0x70
[ 28.497530][ T315] ? finish_task_switch+0x16b/0x7b0
[ 28.502730][ T315] ? __switch_to_asm+0x3a/0x60
[ 28.507491][ T315] ? __schedule+0xb8f/0x14e0
[ 28.512078][ T315] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 28.517661][ T315] process_one_work+0x71f/0xc40
[ 28.522659][ T315] worker_thread+0xa29/0x11f0
[ 28.527345][ T315] kthread+0x281/0x320
[ 28.531432][ T315] ? __cfi_worker_thread+0x10/0x10
[ 28.536541][ T315] ? __cfi_kthread+0x10/0x10
[ 28.541147][ T315] ret_from_fork+0x1f/0x30
[ 28.545572][ T315]
[ 28.548586][ T315] Modules linked in:
[ 28.553803][ T315] ---[ end trace 0000000000000000 ]---
[ 28.559314][ T315] RIP: 0010:ext4_writepages+0x2f61/0x3020
[ 28.565307][ T315] Code: 08 48 89 df e8 90 f2 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 0f 89 86 ff <0f> 0b e8 08 89 86 ff eb 2f e8 01 89 86 ff eb 69 e8 fa 88 86 ff 31
[ 28.585210][ T315] RSP: 0018:ffffc900036d7120 EFLAGS: 00010293
[ 28.591308][ T315] RAX: ffffffff81e994f1 RBX: 0000000000000000 RCX: ffff88811022d100
[ 28.599789][ T315] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 28.608091][ T315] RBP: ffffc900036d7490 R08: dffffc0000000000 R09: ffffed1022b9f0dd
[ 28.616253][ T315] R10: ffffed1022b9f0dd R11: 1ffff11022b9f0dc R12: dffffc0000000000
[ 28.624361][ T315] R13: 0000000000000000 R14: ffff888115cf8720 R15: 000000000000042b
[ 28.632426][ T315] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 28.641380][ T315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.648027][ T315] CR2: 000000c006f98000 CR3: 0000000118438000 CR4: 00000000003506a0
[ 28.656065][ T315] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 28.664365][ T315] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 28.672519][ T315] Kernel panic - not syncing: Fatal exception
[ 28.678729][ T315] Kernel Offset: disabled
[ 28.683051][ T315] Rebooting in 86400 seconds..