program: syz_mount_image$udf(&(0x7f0000000180), &(0x7f0000000100)='./bus\x00', 0x1014494, &(0x7f00000002c0)={[{@iocharset={'iocharset', 0x3d, 'iso8859-4'}}, {@partition={'partition', 0x3d, 0x6}}, {@gid_forget}, {@session={'session', 0x3d, 0xfe8}}, {@noadinicb}, {@anchor}, {@uid_forget}]}, 0xfe, 0xc24, &(0x7f0000001480)="$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") r0 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x0) ftruncate(r0, 0x2007ffc) sendfile(r0, r0, 0x0, 0x800000009) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000840)='memory.events.local\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040), 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) ioctl$SNDRV_TIMER_IOCTL_CREATE(r1, 0xc02054a5, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f0000000140)={0xa, 0x4e22, 0xab, @loopback, 0x10001}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x4e22, 0x7, @loopback, 0x23}, 0x1c) r3 = dup(r2) socket(0xa, 0x3, 0xff) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = socket(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=@newqdisc={0x48, 0x24, 0xf0b, 0x0, 0x1000000, {0x60, 0x0, 0x0, r6, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_cake={{0x9}, {0x18, 0x2, [@TCA_CAKE_BASE_RATE64={0xc, 0x2, 0xfff}, @TCA_CAKE_ACK_FILTER={0x8, 0x10, 0x1}]}}]}, 0x48}}, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r3, &(0x7f00000000c0)={0x7, 0xffffffffffffffa0, 0xfa00, {0xffffffffffffffff, 0x10c}}, 0xfffffd88) r7 = open(&(0x7f0000000000)='./bus\x00', 0x60142, 0x0) r8 = open(&(0x7f0000000080)='./bus\x00', 0x107382, 0x1d0) ftruncate(r8, 0x2007ffb) sendfile(r7, r8, 0x0, 0x1000000201005) syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000380)=ANY=[@ANYBLOB="1201500200000040"], 0x0) open(&(0x7f0000000180)='./bus\x00', 0x14937e, 0x111) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x5000, 0x0) r9 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) ioctl$LOOP_SET_STATUS64(r9, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x15, 0x1c, "ef359f413bb93852f7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e737ff0edf110ff4117639c2eb4b78c660e677df701905b9aafab4afaaf755a3f6a004", "036c47c6780820d1cbf7966d61fdcf335263bd9bffbcc2542ded71038259ca171ce1a311ef54ec32d71e14ef3dc177e9b48b00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x204]}) truncate(&(0x7f00000013c0)='./file1\x00', 0x0) [ 85.456650][ T5336] Bluetooth: hci0: command tx timeout [ 85.530054][ T5364] loop0: detected capacity change from 0 to 2048 [ 85.555996][ T5364] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=2362, location=2362 [ 85.588595][ T5364] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d [ 85.603959][ T5364] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 160: 0xd2 != 0xd4 [ 85.623928][ T5364] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 85.645417][ T26] audit: type=1800 audit(1758639535.543:2): pid=5364 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="file1" dev="loop0" ino=1346 res=0 errno=0 [ 86.122413][ T5347] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 86.323539][ T5364] loop0: detected capacity change from 2048 to 64 [ 86.349437][ T5365] ================================================================== [ 86.352903][ T5365] BUG: KASAN: slab-out-of-bounds in udf_write_aext+0x69d/0x7b0 [ 86.356329][ T5365] Write of size 4 at addr ffff88803fe899d8 by task syz.0.0/5365 [ 86.359635][ T5365] [ 86.360746][ T5365] CPU: 0 UID: 0 PID: 5365 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 86.360766][ T5365] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 86.360775][ T5365] Call Trace: [ 86.360783][ T5365] [ 86.360791][ T5365] dump_stack_lvl+0x189/0x250 [ 86.360814][ T5365] ? __virt_addr_valid+0x1c8/0x5c0 [ 86.360832][ T5365] ? rcu_is_watching+0x15/0xb0 [ 86.360847][ T5365] ? __pfx_dump_stack_lvl+0x10/0x10 [ 86.360861][ T5365] ? rcu_is_watching+0x15/0xb0 [ 86.360872][ T5365] ? lock_release+0x4b/0x3e0 [ 86.360888][ T5365] ? _raw_spin_lock_irqsave+0xb3/0xf0 [ 86.360945][ T5365] ? __virt_addr_valid+0x1c8/0x5c0 [ 86.360956][ T5365] ? __virt_addr_valid+0x4a5/0x5c0 [ 86.360967][ T5365] print_report+0xca/0x240 [ 86.360978][ T5365] ? udf_write_aext+0x69d/0x7b0 [ 86.360990][ T5365] kasan_report+0x118/0x150 [ 86.361012][ T5365] ? udf_write_aext+0x69d/0x7b0 [ 86.361027][ T5365] udf_write_aext+0x69d/0x7b0 [ 86.361042][ T5365] __udf_add_aext+0x2b9/0x6d0 [ 86.361058][ T5365] udf_free_blocks+0x1466/0x17f0 [ 86.361082][ T5365] ? do_raw_spin_lock+0x121/0x290 [ 86.361097][ T5365] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 86.361110][ T5365] ? __pfx_udf_free_blocks+0x10/0x10 [ 86.361128][ T5365] ? rcu_is_watching+0x15/0xb0 [ 86.361139][ T5365] ? __mark_inode_dirty+0x3d2/0xe10 [ 86.361157][ T5365] ? rcu_is_watching+0x10/0xb0 [ 86.361168][ T5365] ? __mark_inode_dirty+0x3d2/0xe10 [ 86.361184][ T5365] extent_trunc+0x35c/0x450 [ 86.361202][ T5365] ? __pfx_extent_trunc+0x10/0x10 [ 86.361217][ T5365] ? udf_current_aext+0x51f/0xad0 [ 86.361230][ T5365] udf_truncate_extents+0x5b0/0xec0 [ 86.361249][ T5365] ? __pfx_udf_truncate_extents+0x10/0x10 [ 86.361269][ T5365] ? do_raw_spin_unlock+0x4d/0x240 [ 86.361282][ T5365] udf_setsize+0x972/0x1000 [ 86.361295][ T5365] ? __pfx_udf_setsize+0x10/0x10 [ 86.361304][ T5365] ? down_write+0x162/0x1f0 [ 86.361317][ T5365] ? __pfx_down_write+0x10/0x10 [ 86.361330][ T5365] ? __pfx_current_time+0x10/0x10 [ 86.361347][ T5365] udf_setattr+0x3a1/0x5a0 [ 86.361357][ T5365] ? __pfx_udf_setattr+0x10/0x10 [ 86.361365][ T5365] notify_change+0xb33/0xe40 [ 86.361375][ T5365] do_truncate+0x1a4/0x220 [ 86.361384][ T5365] ? __pfx_do_truncate+0x10/0x10 [ 86.361392][ T5365] ? apparmor_path_truncate+0x238/0x2d0 [ 86.361402][ T5365] ? mnt_get_write_access+0x223/0x2a0 [ 86.361411][ T5365] vfs_truncate+0x493/0x520 [ 86.361418][ T5365] ? lockdep_hardirqs_on+0x9c/0x150 [ 86.361434][ T5365] ? __pfx_vfs_truncate+0x10/0x10 [ 86.361443][ T5365] ? user_path_at+0x44/0x60 [ 86.361455][ T5365] do_sys_truncate+0xdb/0x190 [ 86.361467][ T5365] ? __pfx_do_sys_truncate+0x10/0x10 [ 86.361483][ T5365] __x64_sys_truncate+0x5b/0x70 [ 86.361497][ T5365] do_syscall_64+0xfa/0x3b0 [ 86.361508][ T5365] ? lockdep_hardirqs_on+0x9c/0x150 [ 86.361519][ T5365] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.361530][ T5365] ? clear_bhb_loop+0x60/0xb0 [ 86.361543][ T5365] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.361554][ T5365] RIP: 0033:0x7f16a8b8eec9 [ 86.361567][ T5365] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 86.361580][ T5365] RSP: 002b:00007f16a9ab8038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 86.361595][ T5365] RAX: ffffffffffffffda RBX: 00007f16a8de6090 RCX: 00007f16a8b8eec9 [ 86.361605][ T5365] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000013c0 [ 86.361613][ T5365] RBP: 00007f16a8c11f91 R08: 0000000000000000 R09: 0000000000000000 [ 86.361621][ T5365] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.361629][ T5365] R13: 00007f16a8de6128 R14: 00007f16a8de6090 R15: 00007ffd36030c48 [ 86.361641][ T5365] [ 86.361646][ T5365] [ 86.515864][ T5365] Allocated by task 5364: [ 86.517701][ T5365] kasan_save_track+0x3e/0x80 [ 86.519706][ T5365] __kasan_kmalloc+0x93/0xb0 [ 86.521734][ T5365] __kmalloc_noprof+0x27a/0x4f0 [ 86.523908][ T5365] __udf_iget+0xc66/0x3ae0 [ 86.525843][ T5365] udf_fill_partdesc_info+0x773/0x1310 [ 86.528339][ T5365] udf_process_sequence+0x111c/0x47e0 [ 86.530606][ T5365] udf_check_anchor_block+0x28e/0x550 [ 86.532940][ T5365] udf_load_vrs+0x96d/0xf20 [ 86.534866][ T5365] udf_fill_super+0x5ad/0x17a0 [ 86.537037][ T5365] get_tree_bdev_flags+0x40e/0x4d0 [ 86.539312][ T5365] vfs_get_tree+0x92/0x2b0 [ 86.541149][ T5365] do_new_mount+0x2a2/0x9e0 [ 86.543098][ T5365] __se_sys_mount+0x317/0x410 [ 86.545145][ T5365] do_syscall_64+0xfa/0x3b0 [ 86.547180][ T5365] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.549740][ T5365] [ 86.550828][ T5365] The buggy address belongs to the object at ffff88803fe89800 [ 86.550828][ T5365] which belongs to the cache kmalloc-512 of size 512 [ 86.556614][ T5365] The buggy address is located 0 bytes to the right of [ 86.556614][ T5365] allocated 472-byte region [ffff88803fe89800, ffff88803fe899d8) [ 86.562604][ T5365] [ 86.563657][ T5365] The buggy address belongs to the physical page: [ 86.566428][ T5365] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3fe88 [ 86.570391][ T5365] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 86.573981][ T5365] ksm flags: 0x4fff00000000040(head|node=1|zone=1|lastcpupid=0x7ff) [ 86.577183][ T5365] page_type: f5(slab) [ 86.578914][ T5365] raw: 04fff00000000040 ffff88801a841c80 ffffea0000ffa180 0000000000000003 [ 86.582338][ T5365] raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 [ 86.585845][ T5365] head: 04fff00000000040 ffff88801a841c80 ffffea0000ffa180 0000000000000003 [ 86.589486][ T5365] head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 [ 86.593175][ T5365] head: 04fff00000000001 ffffea0000ffa201 00000000ffffffff 00000000ffffffff [ 86.596786][ T5365] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 86.600378][ T5365] page dumped because: kasan: bad access detected [ 86.603117][ T5365] page_owner tracks the page as allocated [ 86.605421][ T5365] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5333, tgid 5333 (sh), ts 80424879815, free_ts 65393515927 [ 86.613779][ T5365] post_alloc_hook+0x240/0x2a0 [ 86.615842][ T5365] get_page_from_freelist+0x21e4/0x22c0 [ 86.618178][ T5365] __alloc_frozen_pages_noprof+0x181/0x370 [ 86.621126][ T5365] alloc_pages_mpol+0x232/0x4a0 [ 86.623346][ T5365] allocate_slab+0x8a/0x370 [ 86.625575][ T5365] ___slab_alloc+0xbeb/0x1420 [ 86.627975][ T5365] __kmalloc_noprof+0x305/0x4f0 [ 86.630160][ T5365] tomoyo_init_log+0x1a6e/0x1f70 [ 86.632312][ T5365] tomoyo_supervisor+0x340/0x1480 [ 86.634414][ T5365] tomoyo_path_permission+0x25a/0x380 [ 86.636745][ T5365] tomoyo_check_open_permission+0x24d/0x3b0 [ 86.639331][ T5365] security_file_open+0xb1/0x270 [ 86.641498][ T5365] do_dentry_open+0x384/0x13f0 [ 86.643615][ T5365] vfs_open+0x3b/0x340 [ 86.645561][ T5365] path_openat+0x2ee5/0x3830 [ 86.648185][ T5365] do_filp_open+0x1fa/0x410 [ 86.650114][ T5365] page last free pid 5049 tgid 5049 stack trace: [ 86.652877][ T5365] __free_frozen_pages+0xbc4/0xd30 [ 86.655017][ T5365] __put_partials+0x156/0x1a0 [ 86.656940][ T5365] put_cpu_partial+0x17c/0x250 [ 86.659078][ T5365] __slab_free+0x2d5/0x3c0 [ 86.660873][ T5365] qlist_free_all+0x97/0x140 [ 86.662958][ T5365] kasan_quarantine_reduce+0x148/0x160 [ 86.665377][ T5365] __kasan_slab_alloc+0x22/0x80 [ 86.667545][ T5365] kmem_cache_alloc_node_noprof+0x1bb/0x3c0 [ 86.670051][ T5365] __alloc_skb+0x112/0x2d0 [ 86.672249][ T5365] alloc_skb_with_frags+0xca/0x890 [ 86.674572][ T5365] sock_alloc_send_pskb+0x857/0x990 [ 86.676795][ T5365] unix_dgram_sendmsg+0x50e/0x18d0 [ 86.679043][ T5365] __sock_sendmsg+0x21c/0x270 [ 86.681157][ T5365] sock_write_iter+0x258/0x330 [ 86.683286][ T5365] vfs_write+0x5c9/0xb30 [ 86.685121][ T5365] ksys_write+0x145/0x250 [ 86.687017][ T5365] [ 86.688083][ T5365] Memory state around the buggy address: [ 86.690397][ T5365] ffff88803fe89880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 86.693748][ T5365] ffff88803fe89900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 86.697127][ T5365] >ffff88803fe89980: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc [ 86.700390][ T5365] ^ [ 86.703289][ T5365] ffff88803fe89a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 86.706519][ T5365] ffff88803fe89a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 86.709919][ T5365] ================================================================== [ 86.775289][ T5365] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 86.778456][ T5365] CPU: 0 UID: 0 PID: 5365 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 86.781552][ T5365] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 86.785847][ T5365] Call Trace: [ 86.787375][ T5365] [ 86.788812][ T5365] dump_stack_lvl+0x99/0x250 [ 86.790667][ T5365] ? __asan_memcpy+0x40/0x70 [ 86.792412][ T5365] ? __pfx_dump_stack_lvl+0x10/0x10 [ 86.794427][ T5365] ? __pfx__printk+0x10/0x10 [ 86.796045][ T5365] vpanic+0x281/0x750 [ 86.797418][ T5365] ? preempt_schedule+0xae/0xc0 [ 86.799208][ T5365] ? __pfx_vpanic+0x10/0x10 [ 86.800885][ T5365] ? preempt_schedule_common+0x83/0xd0 [ 86.802709][ T5365] ? preempt_schedule+0xae/0xc0 [ 86.804589][ T5365] ? __pfx_preempt_schedule+0x10/0x10 [ 86.807152][ T5365] panic+0xb9/0xc0 [ 86.808969][ T5365] ? __pfx_panic+0x10/0x10 [ 86.810841][ T5365] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 86.813381][ T5365] ? is_module_address+0x17/0xf0 [ 86.815663][ T5365] ? udf_write_aext+0x69d/0x7b0 [ 86.817854][ T5365] check_panic_on_warn+0x89/0xb0 [ 86.820025][ T5365] ? udf_write_aext+0x69d/0x7b0 [ 86.822064][ T5365] end_report+0x78/0x160 [ 86.823669][ T5365] kasan_report+0x129/0x150 [ 86.825475][ T5365] ? udf_write_aext+0x69d/0x7b0 [ 86.827663][ T5365] udf_write_aext+0x69d/0x7b0 [ 86.829807][ T5365] __udf_add_aext+0x2b9/0x6d0 [ 86.831954][ T5365] udf_free_blocks+0x1466/0x17f0 [ 86.834079][ T5365] ? do_raw_spin_lock+0x121/0x290 [ 86.836213][ T5365] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 86.838456][ T5365] ? __pfx_udf_free_blocks+0x10/0x10 [ 86.840829][ T5365] ? rcu_is_watching+0x15/0xb0 [ 86.843015][ T5365] ? __mark_inode_dirty+0x3d2/0xe10 [ 86.845260][ T5365] ? rcu_is_watching+0x10/0xb0 [ 86.847370][ T5365] ? __mark_inode_dirty+0x3d2/0xe10 [ 86.849572][ T5365] extent_trunc+0x35c/0x450 [ 86.851493][ T5365] ? __pfx_extent_trunc+0x10/0x10 [ 86.853744][ T5365] ? udf_current_aext+0x51f/0xad0 [ 86.855900][ T5365] udf_truncate_extents+0x5b0/0xec0 [ 86.858130][ T5365] ? __pfx_udf_truncate_extents+0x10/0x10 [ 86.860643][ T5365] ? do_raw_spin_unlock+0x4d/0x240 [ 86.862793][ T5365] udf_setsize+0x972/0x1000 [ 86.864809][ T5365] ? __pfx_udf_setsize+0x10/0x10 [ 86.866520][ T5365] ? down_write+0x162/0x1f0 [ 86.868349][ T5365] ? __pfx_down_write+0x10/0x10 [ 86.870458][ T5365] ? __pfx_current_time+0x10/0x10 [ 86.872679][ T5365] udf_setattr+0x3a1/0x5a0 [ 86.874549][ T5365] ? __pfx_udf_setattr+0x10/0x10 [ 86.876611][ T5365] notify_change+0xb33/0xe40 [ 86.878653][ T5365] do_truncate+0x1a4/0x220 [ 86.880510][ T5365] ? __pfx_do_truncate+0x10/0x10 [ 86.882491][ T5365] ? apparmor_path_truncate+0x238/0x2d0 [ 86.884743][ T5365] ? mnt_get_write_access+0x223/0x2a0 [ 86.887003][ T5365] vfs_truncate+0x493/0x520 [ 86.888878][ T5365] ? lockdep_hardirqs_on+0x9c/0x150 [ 86.890723][ T5365] ? __pfx_vfs_truncate+0x10/0x10 [ 86.892594][ T5365] ? user_path_at+0x44/0x60 [ 86.894279][ T5365] do_sys_truncate+0xdb/0x190 [ 86.896182][ T5365] ? __pfx_do_sys_truncate+0x10/0x10 [ 86.898510][ T5365] __x64_sys_truncate+0x5b/0x70 [ 86.900519][ T5365] do_syscall_64+0xfa/0x3b0 [ 86.902391][ T5365] ? lockdep_hardirqs_on+0x9c/0x150 [ 86.904403][ T5365] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.906897][ T5365] ? clear_bhb_loop+0x60/0xb0 [ 86.908781][ T5365] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.911037][ T5365] RIP: 0033:0x7f16a8b8eec9 [ 86.912758][ T5365] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 86.920416][ T5365] RSP: 002b:00007f16a9ab8038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 86.923337][ T5365] RAX: ffffffffffffffda RBX: 00007f16a8de6090 RCX: 00007f16a8b8eec9 [ 86.926030][ T5365] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000013c0 [ 86.929095][ T5365] RBP: 00007f16a8c11f91 R08: 0000000000000000 R09: 0000000000000000 [ 86.932112][ T5365] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.935057][ T5365] R13: 00007f16a8de6128 R14: 00007f16a8de6090 R15: 00007ffd36030c48 [ 86.937931][ T5365] [ 86.939262][ T5365] Kernel Offset: disabled [ 86.940862][ T5365] Rebooting in 86400 seconds..