program: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000000), 0x208e24b) 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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") r1 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x0) ftruncate(r1, 0x2007ffc) sendfile(r1, r1, 0x0, 0x800000009) r2 = open(&(0x7f0000000000)='./bus\x00', 0x60142, 0x0) r3 = open(&(0x7f0000000080)='./bus\x00', 0x107382, 0x1d0) ftruncate(r3, 0x2007ffb) sendfile(r2, r3, 0x0, 0x1000000201005) syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000380)=ANY=[@ANYBLOB="1201500200000040"], 0x0) open(&(0x7f0000000180)='./bus\x00', 0x14937e, 0x111) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x5000, 0x0) r4 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) ioctl$LOOP_SET_STATUS64(r4, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x15, 0x1c, "ef359f413bb93852f7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e737ff0edf110ff4117639c2eb4b78c660e677df701905b9aafab4afaaf755a3f6a004", "036c47c6780820d1cbf7966d61fdcf335263bd9bffbcc2542ded71038259ca171ce1a311ef54ec32d71e14ef3dc177e9b48b00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x204]}) truncate(&(0x7f00000013c0)='./file1\x00', 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0) pwrite64(r5, &(0x7f0000000140)='2', 0x1, 0x8080c61) ioctl$IOMMU_IOAS_ALLOC(0xffffffffffffffff, 0x3b81, &(0x7f0000000100)={0xc, 0x0, 0x0}) ioctl$IOMMU_TEST_OP_MOCK_DOMAIN(r0, 0x3ba0, &(0x7f0000000140)={0x48, 0x2, r6, 0x0, 0x0, 0x0}) ioctl$TIOCCBRK(0xffffffffffffffff, 0x5428) r8 = memfd_create(&(0x7f0000000040)='\x00\x00\x00\x00\x00\x00z\x9b\xb6\xe8t%\xfc\x02\x00\x00\x009\xa0\x8b\x14d\xa2\xa1\xa8!\xe8\xd1\xa0\x8a\xce0\x1c\xb7\xf1\xccm\xce\xd4\xdb\x89\xe5\x8f\xe2\xb6\xd6\x9cF\xbd\xff\x14\x05\x00\x00\x00\x00\x00\x00\x00\xf3\xdc\x91\'\x06\\8\r\xfc\xeeG\xbe\x90C\x1c\x87\x1e|C\xd8\x01\xd0\xf5\xbb}\xeb\x86P=\xe51\x9d,\xb7\xe6_M\xbe\x19\xea#\xff[\xd1\xc3\x9a\xa3\x1b\xf9\xe9\x1d \xce1\xc9\x9f\xb0\x14\xc2\xeb\xf9\xceE\xad\xa4\x92\f\xef\x87g\xb6\xabW\xac\rP\xf42\xb7\xc8\xaajnW\n\r\x802\xd7\x1b$\x95tO*\xf4\xae\xb8\xb8m\xbf\r\xd5\xbf*\xfd\xc7\x85\x1b\x8b\xe5\x97j`c\xe0\x88?\xda\x8a#t>r\xae\xe8\xc9)', 0x0) write$binfmt_elf64(r8, &(0x7f0000000540)=ANY=[@ANYRESDEC=r7], 0x3c) execveat(r8, &(0x7f0000000000)='\x00', 0x0, 0x0, 0x1000) [ 86.242809][ T5331] loop0: detected capacity change from 0 to 2048 [ 86.289252][ T5331] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=2362, location=2362 [ 86.320744][ T5331] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d [ 86.325425][ T5307] Bluetooth: hci0: command tx timeout [ 86.360167][ T5331] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 160: 0xd2 != 0xd4 [ 86.367318][ T5331] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 86.382280][ T25] audit: type=1800 audit(1762027530.531:2): pid=5331 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 [ 86.651845][ T9] cfg80211: failed to load regulatory.db [ 86.795023][ T55] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 87.015278][ T5330] loop0: detected capacity change from 2048 to 64 [ 87.038339][ T5330] ================================================================== [ 87.042428][ T5330] BUG: KASAN: slab-out-of-bounds in udf_write_aext+0x69d/0x7b0 [ 87.045990][ T5330] Write of size 4 at addr ffff8880344779d8 by task syz.0.0/5330 [ 87.049419][ T5330] [ 87.050532][ T5330] CPU: 0 UID: 0 PID: 5330 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 87.050550][ T5330] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 87.050559][ T5330] Call Trace: [ 87.050567][ T5330] [ 87.050573][ T5330] dump_stack_lvl+0x189/0x250 [ 87.050595][ T5330] ? __virt_addr_valid+0x1c8/0x5c0 [ 87.050611][ T5330] ? rcu_is_watching+0x15/0xb0 [ 87.050626][ T5330] ? __pfx_dump_stack_lvl+0x10/0x10 [ 87.050639][ T5330] ? rcu_is_watching+0x15/0xb0 [ 87.050651][ T5330] ? lock_release+0x4b/0x3e0 [ 87.050661][ T5330] ? _raw_spin_lock_irqsave+0xb3/0xf0 [ 87.050724][ T5330] ? __virt_addr_valid+0x1c8/0x5c0 [ 87.050740][ T5330] ? __virt_addr_valid+0x4a5/0x5c0 [ 87.050754][ T5330] print_report+0xca/0x240 [ 87.050768][ T5330] ? udf_write_aext+0x69d/0x7b0 [ 87.050779][ T5330] kasan_report+0x118/0x150 [ 87.050796][ T5330] ? udf_write_aext+0x69d/0x7b0 [ 87.050809][ T5330] udf_write_aext+0x69d/0x7b0 [ 87.050822][ T5330] __udf_add_aext+0x2b9/0x6d0 [ 87.050834][ T5330] udf_free_blocks+0x1466/0x17f0 [ 87.050853][ T5330] ? do_raw_spin_lock+0x121/0x290 [ 87.050868][ T5330] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 87.050882][ T5330] ? __pfx_udf_free_blocks+0x10/0x10 [ 87.050899][ T5330] ? rcu_is_watching+0x15/0xb0 [ 87.050911][ T5330] ? __mark_inode_dirty+0x3d2/0xe10 [ 87.050923][ T5330] ? rcu_needs_cpu+0x70/0xb0 [ 87.050940][ T5330] ? __mark_inode_dirty+0x3d2/0xe10 [ 87.050952][ T5330] extent_trunc+0x35c/0x450 [ 87.050967][ T5330] ? __pfx_extent_trunc+0x10/0x10 [ 87.050984][ T5330] udf_truncate_extents+0x5b0/0xec0 [ 87.051002][ T5330] ? __pfx_udf_truncate_extents+0x10/0x10 [ 87.051029][ T5330] ? do_raw_spin_unlock+0x4d/0x240 [ 87.051049][ T5330] udf_setsize+0x972/0x1000 [ 87.051067][ T5330] ? udf_setattr+0x385/0x5a0 [ 87.051086][ T5330] ? __pfx_udf_setsize+0x10/0x10 [ 87.051101][ T5330] ? down_write+0x162/0x1f0 [ 87.051117][ T5330] ? __pfx_down_write+0x10/0x10 [ 87.051133][ T5330] ? __pfx_current_time+0x10/0x10 [ 87.051145][ T5330] udf_setattr+0x3a1/0x5a0 [ 87.051160][ T5330] ? __pfx_udf_setattr+0x10/0x10 [ 87.051176][ T5330] notify_change+0xc1a/0xf40 [ 87.051190][ T5330] do_truncate+0x1a4/0x220 [ 87.051204][ T5330] ? __pfx_do_truncate+0x10/0x10 [ 87.051216][ T5330] ? apparmor_path_truncate+0x238/0x2d0 [ 87.051233][ T5330] vfs_truncate+0x493/0x520 [ 87.051248][ T5330] ? __pfx_vfs_truncate+0x10/0x10 [ 87.051262][ T5330] do_sys_truncate+0xdb/0x190 [ 87.051276][ T5330] ? __pfx_do_sys_truncate+0x10/0x10 [ 87.051292][ T5330] __x64_sys_truncate+0x5b/0x70 [ 87.051306][ T5330] do_syscall_64+0xfa/0xfa0 [ 87.051320][ T5330] ? lockdep_hardirqs_on+0x9c/0x150 [ 87.051334][ T5330] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.051344][ T5330] ? clear_bhb_loop+0x60/0xb0 [ 87.051356][ T5330] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.051367][ T5330] RIP: 0033:0x7fde9978efc9 [ 87.051380][ T5330] 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 [ 87.051390][ T5330] RSP: 002b:00007fde9a5c7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 87.051404][ T5330] RAX: ffffffffffffffda RBX: 00007fde999e5fa0 RCX: 00007fde9978efc9 [ 87.051413][ T5330] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000013c0 [ 87.051421][ T5330] RBP: 00007fde99811f91 R08: 0000000000000000 R09: 0000000000000000 [ 87.051430][ T5330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 87.051437][ T5330] R13: 00007fde999e6038 R14: 00007fde999e5fa0 R15: 00007fffcc9ff048 [ 87.051451][ T5330] [ 87.051456][ T5330] [ 87.200221][ T5330] Allocated by task 5331: [ 87.202642][ T5330] kasan_save_track+0x3e/0x80 [ 87.205235][ T5330] __kasan_kmalloc+0x93/0xb0 [ 87.207259][ T5330] __kmalloc_noprof+0x411/0x7f0 [ 87.209075][ T5330] __udf_iget+0xc66/0x3ae0 [ 87.210917][ T5330] udf_fill_partdesc_info+0x773/0x1320 [ 87.213267][ T5330] udf_process_sequence+0x111c/0x47e0 [ 87.215715][ T5330] udf_check_anchor_block+0x28e/0x550 [ 87.218701][ T5330] udf_load_vrs+0x96d/0xf20 [ 87.220790][ T5330] udf_fill_super+0x5ad/0x17a0 [ 87.222860][ T5330] get_tree_bdev_flags+0x40e/0x4d0 [ 87.225119][ T5330] vfs_get_tree+0x92/0x2b0 [ 87.227107][ T5330] do_new_mount+0x302/0xa10 [ 87.229208][ T5330] __se_sys_mount+0x313/0x410 [ 87.231410][ T5330] do_syscall_64+0xfa/0xfa0 [ 87.233566][ T5330] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.236178][ T5330] [ 87.237294][ T5330] The buggy address belongs to the object at ffff888034477800 [ 87.237294][ T5330] which belongs to the cache kmalloc-512 of size 512 [ 87.243294][ T5330] The buggy address is located 0 bytes to the right of [ 87.243294][ T5330] allocated 472-byte region [ffff888034477800, ffff8880344779d8) [ 87.249836][ T5330] [ 87.251074][ T5330] The buggy address belongs to the physical page: [ 87.253975][ T5330] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x34476 [ 87.257621][ T5330] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 87.261350][ T5330] flags: 0x4fff00000000040(head|node=1|zone=1|lastcpupid=0x7ff) [ 87.264662][ T5330] page_type: f5(slab) [ 87.266301][ T5330] raw: 04fff00000000040 ffff88801a041c80 ffffea0000cd0480 dead000000000004 [ 87.270285][ T5330] raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 [ 87.274585][ T5330] head: 04fff00000000040 ffff88801a041c80 ffffea0000cd0480 dead000000000004 [ 87.278645][ T5330] head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 [ 87.282581][ T5330] head: 04fff00000000001 ffffea0000d11d81 00000000ffffffff 00000000ffffffff [ 87.286274][ T5330] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 87.289869][ T5330] page dumped because: kasan: bad access detected [ 87.292529][ T5330] page_owner tracks the page as allocated [ 87.294883][ T5330] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5300, tgid 5300 (mkswap), ts 80250384091, free_ts 63396895531 [ 87.302559][ T5330] post_alloc_hook+0x240/0x2a0 [ 87.304514][ T5330] get_page_from_freelist+0x2365/0x2440 [ 87.306984][ T5330] __alloc_frozen_pages_noprof+0x181/0x370 [ 87.309368][ T5330] alloc_pages_mpol+0x232/0x4a0 [ 87.311098][ T5330] allocate_slab+0x96/0x350 [ 87.312885][ T5330] ___slab_alloc+0xe94/0x18a0 [ 87.314624][ T5330] __slab_alloc+0x65/0x100 [ 87.316497][ T5330] __kmalloc_noprof+0x471/0x7f0 [ 87.318504][ T5330] tomoyo_init_log+0x1a6e/0x1f70 [ 87.320572][ T5330] tomoyo_supervisor+0x340/0x1480 [ 87.322772][ T5330] tomoyo_path_permission+0x25a/0x380 [ 87.325080][ T5330] tomoyo_path_perm+0x392/0x4b0 [ 87.327221][ T5330] security_inode_getattr+0x12f/0x330 [ 87.329625][ T5330] __x64_sys_newfstat+0xfc/0x200 [ 87.331784][ T5330] do_syscall_64+0xfa/0xfa0 [ 87.333804][ T5330] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.336402][ T5330] page last free pid 5232 tgid 5232 stack trace: [ 87.339130][ T5330] __free_frozen_pages+0xbc4/0xd30 [ 87.341418][ T5330] __put_partials+0x146/0x170 [ 87.343499][ T5330] put_cpu_partial+0x1f2/0x2e0 [ 87.345616][ T5330] __slab_free+0x2b9/0x390 [ 87.347474][ T5330] qlist_free_all+0x97/0x140 [ 87.349526][ T5330] kasan_quarantine_reduce+0x148/0x160 [ 87.351729][ T5330] __kasan_slab_alloc+0x22/0x80 [ 87.353885][ T5330] kmem_cache_alloc_noprof+0x367/0x6e0 [ 87.356290][ T5330] __anon_vma_prepare+0xcb/0x4a0 [ 87.358397][ T5330] __handle_mm_fault+0x4c7a/0x5400 [ 87.360586][ T5330] handle_mm_fault+0x40a/0x8e0 [ 87.362705][ T5330] do_user_addr_fault+0xa7c/0x1380 [ 87.364952][ T5330] exc_page_fault+0x82/0x100 [ 87.366844][ T5330] asm_exc_page_fault+0x26/0x30 [ 87.368983][ T5330] [ 87.370084][ T5330] Memory state around the buggy address: [ 87.372452][ T5330] ffff888034477880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 87.375824][ T5330] ffff888034477900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 87.379190][ T5330] >ffff888034477980: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc [ 87.382139][ T5330] ^ [ 87.384992][ T5330] ffff888034477a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 87.388438][ T5330] ffff888034477a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 87.391827][ T5330] ================================================================== [ 87.455503][ T5330] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 87.458384][ T5330] CPU: 0 UID: 0 PID: 5330 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 87.461696][ T5330] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 87.465856][ T5330] Call Trace: [ 87.467275][ T5330] [ 87.468583][ T5330] dump_stack_lvl+0x99/0x250 [ 87.470420][ T5330] ? __asan_memcpy+0x40/0x70 [ 87.472337][ T5330] ? __pfx_dump_stack_lvl+0x10/0x10 [ 87.474555][ T5330] ? __pfx__printk+0x10/0x10 [ 87.476606][ T5330] vpanic+0x237/0x6d0 [ 87.478340][ T5330] ? __pfx_vpanic+0x10/0x10 [ 87.480251][ T5330] ? preempt_schedule+0xae/0xc0 [ 87.482250][ T5330] ? __pfx_preempt_schedule+0x10/0x10 [ 87.484625][ T5330] panic+0xb9/0xc0 [ 87.486170][ T5330] ? __pfx_panic+0x10/0x10 [ 87.487899][ T5330] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 87.490221][ T5330] ? is_module_address+0x17/0xf0 [ 87.492298][ T5330] ? udf_write_aext+0x69d/0x7b0 [ 87.494294][ T5330] check_panic_on_warn+0x89/0xb0 [ 87.496744][ T5330] ? udf_write_aext+0x69d/0x7b0 [ 87.498580][ T5330] end_report+0x78/0x160 [ 87.500444][ T5330] kasan_report+0x129/0x150 [ 87.502185][ T5330] ? udf_write_aext+0x69d/0x7b0 [ 87.504209][ T5330] udf_write_aext+0x69d/0x7b0 [ 87.506164][ T5330] __udf_add_aext+0x2b9/0x6d0 [ 87.508040][ T5330] udf_free_blocks+0x1466/0x17f0 [ 87.510149][ T5330] ? do_raw_spin_lock+0x121/0x290 [ 87.512322][ T5330] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 87.514565][ T5330] ? __pfx_udf_free_blocks+0x10/0x10 [ 87.516744][ T5330] ? rcu_is_watching+0x15/0xb0 [ 87.518759][ T5330] ? __mark_inode_dirty+0x3d2/0xe10 [ 87.521120][ T5330] ? rcu_needs_cpu+0x70/0xb0 [ 87.523354][ T5330] ? __mark_inode_dirty+0x3d2/0xe10 [ 87.525814][ T5330] extent_trunc+0x35c/0x450 [ 87.527754][ T5330] ? __pfx_extent_trunc+0x10/0x10 [ 87.529925][ T5330] udf_truncate_extents+0x5b0/0xec0 [ 87.532216][ T5330] ? __pfx_udf_truncate_extents+0x10/0x10 [ 87.534746][ T5330] ? do_raw_spin_unlock+0x4d/0x240 [ 87.537018][ T5330] udf_setsize+0x972/0x1000 [ 87.539055][ T5330] ? udf_setattr+0x385/0x5a0 [ 87.541156][ T5330] ? __pfx_udf_setsize+0x10/0x10 [ 87.543287][ T5330] ? down_write+0x162/0x1f0 [ 87.545321][ T5330] ? __pfx_down_write+0x10/0x10 [ 87.547408][ T5330] ? __pfx_current_time+0x10/0x10 [ 87.549945][ T5330] udf_setattr+0x3a1/0x5a0 [ 87.551910][ T5330] ? __pfx_udf_setattr+0x10/0x10 [ 87.553981][ T5330] notify_change+0xc1a/0xf40 [ 87.556028][ T5330] do_truncate+0x1a4/0x220 [ 87.557885][ T5330] ? __pfx_do_truncate+0x10/0x10 [ 87.560110][ T5330] ? apparmor_path_truncate+0x238/0x2d0 [ 87.562455][ T5330] vfs_truncate+0x493/0x520 [ 87.564500][ T5330] ? __pfx_vfs_truncate+0x10/0x10 [ 87.566742][ T5330] do_sys_truncate+0xdb/0x190 [ 87.568650][ T5330] ? __pfx_do_sys_truncate+0x10/0x10 [ 87.570532][ T5330] __x64_sys_truncate+0x5b/0x70 [ 87.572407][ T5330] do_syscall_64+0xfa/0xfa0 [ 87.574497][ T5330] ? lockdep_hardirqs_on+0x9c/0x150 [ 87.577201][ T5330] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.580610][ T5330] ? clear_bhb_loop+0x60/0xb0 [ 87.582857][ T5330] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.585280][ T5330] RIP: 0033:0x7fde9978efc9 [ 87.587348][ T5330] 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 [ 87.595609][ T5330] RSP: 002b:00007fde9a5c7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 87.599116][ T5330] RAX: ffffffffffffffda RBX: 00007fde999e5fa0 RCX: 00007fde9978efc9 [ 87.602473][ T5330] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000013c0 [ 87.605762][ T5330] RBP: 00007fde99811f91 R08: 0000000000000000 R09: 0000000000000000 [ 87.608911][ T5330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 87.612146][ T5330] R13: 00007fde999e6038 R14: 00007fde999e5fa0 R15: 00007fffcc9ff048 [ 87.615548][ T5330] [ 87.617118][ T5330] Kernel Offset: disabled [ 87.618833][ T5330] Rebooting in 86400 seconds..