program:
syz_mount_image$udf(&(0x7f0000000180), &(0x7f0000000100)='./bus\x00', 0x1014494, &(0x7f00000002c0)={[{@iocharset={'iocharset', 0x3d, 'iso8859-4'}}, {@partition={'partition', 0x3d, 0x6}}, {@gid_forget}, {@session={'session', 0x3d, 0xfe8}}, {@noadinicb}, {@anchor={'anchor', 0x3d, 0x1}}, {@uid_forget}]}, 0xfe, 0xc24, &(0x7f0000001480)="$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")
r0 = openat$comedi(0xffffff9c, &(0x7f0000000040)='/dev/comedi1\x00', 0x2180, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, &(0x7f0000000300)={'das16m1\x00', [0x2f00, 0x5, 0xd09a, 0x3b, 0x3, 0xfffffffe, 0x20000004, 0x6, 0xffe, 0x9, 0x3, 0x1, 0x104, 0x3, 0xffff, 0x100006, 0x5, 0xa, 0x830, 0x30000, 0x10000, 0x9, 0x1800, 0xe2df, 0x2, 0x80000001, 0x7, 0x3, 0x4, 0x5, 0x470f]})
ioctl$COMEDI_INSN(r0, 0x8028640c, &(0x7f0000000000)={0x4000000, 0xf, &(0x7f0000000080)=[0x3, 0xfff, 0x4, 0xb, 0x660, 0xfffffff9, 0xe0, 0xfffffff7, 0x9, 0xf5, 0xffffffff, 0x2, 0x200, 0x4, 0x6], 0x0, 0x4})
r1 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x0)
ftruncate(r1, 0x2007ffc)
sendfile(r1, r1, 0x0, 0x800000009)
r2 = open(&(0x7f0000000000)='./bus\x00', 0x60142, 0x0)
r3 = open(&(0x7f0000000080)='./bus\x00', 0x107382, 0x1d0)
ftruncate(r3, 0x2007ffb)
sendfile(r2, r3, 0x0, 0x1000000201005)
syz_usb_connect$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 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffe)
keyctl$chown(0x4, r4, 0xee01, 0x0)
keyctl$setperm(0x5, r4, 0x21062437)
r5 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r5, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a28000000000a030000000000000000000a00000708000240000000020900010073797a31000000002c000000030a010100000000000000000a0000070900010073797a31000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x4000000)
sendmsg$NFT_BATCH(r5, &(0x7f0000009b40)={0x0, 0x0, &(0x7f0000009b00)={&(0x7f0000000680)={{0x14, 0x10, 0x1, 0x0, 0x0, {0x5}}, [@NFT_MSG_NEWRULE={0x80, 0x6, 0xa, 0x401, 0x0, 0x0, {0xa, 0x0, 0x1}, [@NFTA_RULE_TABLE={0x9, 0x1, 'syz1\x00'}, @NFTA_RULE_EXPRESSIONS={0x54, 0x4, 0x0, 0x1, [{0x50, 0x1, 0x0, 0x1, @target={{0xb}, @val={0x40, 0x2, 0x0, 0x1, [@NFTA_TARGET_INFO={0x2c, 0x3, "7339f2f10455afb9fdd672bad09dfb78c7699c74e891a0c7fffffff5000000000000000200000000"}, @NFTA_TARGET_REV={0x8}, @NFTA_TARGET_NAME={0x8, 0x1, 'LED\x00'}]}}}]}, @NFTA_RULE_CHAIN={0x9, 0x2, 'syz2\x00'}]}], {0x14, 0x11, 0x1, 0x0, 0x0, {0x1}}}, 0xa8}, 0x1, 0x0, 0x0, 0x4000850}, 0x20040040)
keyctl$chown(0x4, r4, 0xee01, 0x0)
r6 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0)
ioctl$LOOP_SET_STATUS64(r6, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x15, 0x1c, "ef359f413bb93852f7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e737ff0edf110ff4117639c2eb4b78c660e677df701905b9aafab4afaaf755a3f6a004", "036c47c6780820d1cbf7966d61fdcf335263bd9bffbcc2542ded71038259ca171ce1a311ef54ec32d71e14ef3dc177e9b48b00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x204]})
truncate(&(0x7f00000013c0)='./file1\x00', 0x0)
[ 75.872750][ T4670] Bluetooth: hci0: command tx timeout
[ 76.056348][ T5322] loop0: detected capacity change from 0 to 2048
[ 76.118420][ T5322] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=2362, location=2362
[ 76.124780][ T5322] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d
[ 76.135674][ T5322] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 160: 0xd2 != 0xd4
[ 76.144827][ T5322] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
[ 76.229223][ T26] audit: type=1800 audit(1761392046.132:2): pid=5322 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
[ 76.341859][ T1313] ieee802154 phy0 wpan0: encryption failed: -22
[ 76.351509][ T1313] ieee802154 phy1 wpan1: encryption failed: -22
[ 76.630359][ T5320] usb 5-1: new high-speed USB device number 2 using dummy_hcd
[ 76.910347][ T5322] loop0: detected capacity change from 2048 to 64
[ 76.943799][ T5323] ==================================================================
[ 76.948859][ T5323] BUG: KASAN: slab-out-of-bounds in udf_write_aext+0x69d/0x7b0
[ 76.953415][ T5323] Write of size 4 at addr ffff88803e5741d8 by task syz.0.0/5323
[ 76.956396][ T5323]
[ 76.957461][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 76.957477][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 76.957486][ T5323] Call Trace:
[ 76.957494][ T5323]
[ 76.957505][ T5323] dump_stack_lvl+0x189/0x250
[ 76.957527][ T5323] ? __virt_addr_valid+0x1c8/0x5c0
[ 76.957545][ T5323] ? rcu_is_watching+0x15/0xb0
[ 76.957558][ T5323] ? __pfx_dump_stack_lvl+0x10/0x10
[ 76.957574][ T5323] ? rcu_is_watching+0x15/0xb0
[ 76.957587][ T5323] ? lock_release+0x4b/0x3e0
[ 76.957598][ T5323] ? _raw_spin_lock_irqsave+0xb3/0xf0
[ 76.957657][ T5323] ? __virt_addr_valid+0x1c8/0x5c0
[ 76.957672][ T5323] ? __virt_addr_valid+0x4a5/0x5c0
[ 76.957688][ T5323] print_report+0xca/0x240
[ 76.957703][ T5323] ? udf_write_aext+0x69d/0x7b0
[ 76.957714][ T5323] kasan_report+0x118/0x150
[ 76.957729][ T5323] ? udf_write_aext+0x69d/0x7b0
[ 76.957742][ T5323] udf_write_aext+0x69d/0x7b0
[ 76.957756][ T5323] __udf_add_aext+0x2b9/0x6d0
[ 76.957768][ T5323] udf_free_blocks+0x1466/0x17f0
[ 76.957785][ T5323] ? do_raw_spin_lock+0x121/0x290
[ 76.957800][ T5323] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 76.957813][ T5323] ? __pfx_udf_free_blocks+0x10/0x10
[ 76.957828][ T5323] ? rcu_is_watching+0x15/0xb0
[ 76.957840][ T5323] ? __mark_inode_dirty+0x3d2/0xe10
[ 76.957851][ T5323] ? __pfx_rcu_needs_cpu+0x10/0x10
[ 76.957864][ T5323] ? __mark_inode_dirty+0x3d2/0xe10
[ 76.957876][ T5323] extent_trunc+0x35c/0x450
[ 76.957892][ T5323] ? __pfx_extent_trunc+0x10/0x10
[ 76.957908][ T5323] udf_truncate_extents+0x5b0/0xec0
[ 76.957926][ T5323] ? __pfx_udf_truncate_extents+0x10/0x10
[ 76.957945][ T5323] ? do_raw_spin_unlock+0x4d/0x240
[ 76.957962][ T5323] udf_setsize+0x972/0x1000
[ 76.957978][ T5323] ? udf_setattr+0x385/0x5a0
[ 76.957996][ T5323] ? __pfx_udf_setsize+0x10/0x10
[ 76.958012][ T5323] ? down_write+0x162/0x1f0
[ 76.958027][ T5323] ? __pfx_down_write+0x10/0x10
[ 76.958043][ T5323] ? __pfx_current_time+0x10/0x10
[ 76.958055][ T5323] udf_setattr+0x3a1/0x5a0
[ 76.958071][ T5323] ? __pfx_udf_setattr+0x10/0x10
[ 76.958097][ T5323] notify_change+0xc1a/0xf40
[ 76.958114][ T5323] do_truncate+0x1a4/0x220
[ 76.958130][ T5323] ? __pfx_do_truncate+0x10/0x10
[ 76.958143][ T5323] ? apparmor_path_truncate+0x238/0x2d0
[ 76.958161][ T5323] vfs_truncate+0x493/0x520
[ 76.958176][ T5323] ? __pfx_vfs_truncate+0x10/0x10
[ 76.958192][ T5323] do_sys_truncate+0xdb/0x190
[ 76.958206][ T5323] ? __pfx_do_sys_truncate+0x10/0x10
[ 76.958222][ T5323] __x64_sys_truncate+0x5b/0x70
[ 76.958236][ T5323] do_syscall_64+0xfa/0xfa0
[ 76.958252][ T5323] ? lockdep_hardirqs_on+0x9c/0x150
[ 76.958265][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 76.958277][ T5323] ? clear_bhb_loop+0x60/0xb0
[ 76.958290][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 76.958303][ T5323] RIP: 0033:0x7f926218efc9
[ 76.958316][ T5323] 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
[ 76.958325][ T5323] RSP: 002b:00007f9262f9f038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 76.958338][ T5323] RAX: ffffffffffffffda RBX: 00007f92623e6090 RCX: 00007f926218efc9
[ 76.958347][ T5323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000013c0
[ 76.958354][ T5323] RBP: 00007f9262211f91 R08: 0000000000000000 R09: 0000000000000000
[ 76.958361][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 76.958368][ T5323] R13: 00007f92623e6128 R14: 00007f92623e6090 R15: 00007ffcdf96f418
[ 76.958380][ T5323]
[ 76.958385][ T5323]
[ 77.265960][ T5323] Allocated by task 5322:
[ 77.267728][ T5323] kasan_save_track+0x3e/0x80
[ 77.269830][ T5323] __kasan_kmalloc+0x93/0xb0
[ 77.272437][ T5323] __kmalloc_noprof+0x411/0x7f0
[ 77.276592][ T5323] __udf_iget+0xc66/0x3ae0
[ 77.279079][ T5323] udf_fill_partdesc_info+0x773/0x1320
[ 77.282173][ T5323] udf_process_sequence+0x111c/0x47e0
[ 77.286050][ T5323] udf_check_anchor_block+0x28e/0x550
[ 77.289468][ T5323] udf_load_vrs+0x96d/0xf20
[ 77.312320][ T5323] udf_fill_super+0x5ad/0x17a0
[ 77.314916][ T5323] get_tree_bdev_flags+0x40e/0x4d0
[ 77.317766][ T5323] vfs_get_tree+0x92/0x2b0
[ 77.320807][ T5323] do_new_mount+0x302/0xa10
[ 77.325812][ T5323] __se_sys_mount+0x313/0x410
[ 77.327955][ T5323] do_syscall_64+0xfa/0xfa0
[ 77.330114][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 77.333193][ T5323]
[ 77.334606][ T5323] The buggy address belongs to the object at ffff88803e574000
[ 77.334606][ T5323] which belongs to the cache kmalloc-512 of size 512
[ 77.342893][ T5323] The buggy address is located 0 bytes to the right of
[ 77.342893][ T5323] allocated 472-byte region [ffff88803e574000, ffff88803e5741d8)
[ 77.350769][ T5323]
[ 77.351801][ T5323] The buggy address belongs to the physical page:
[ 77.354386][ T5323] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3e574
[ 77.359760][ T5323] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 77.364587][ T5323] flags: 0x4fff00000000040(head|node=1|zone=1|lastcpupid=0x7ff)
[ 77.367999][ T5323] page_type: f5(slab)
[ 77.370035][ T5323] raw: 04fff00000000040 ffff88801a041c80 ffffea0000fce380 dead000000000004
[ 77.402542][ T5323] raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
[ 77.407444][ T5323] head: 04fff00000000040 ffff88801a041c80 ffffea0000fce380 dead000000000004
[ 77.412434][ T5323] head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
[ 77.417863][ T5323] head: 04fff00000000001 ffffea0000f95d01 00000000ffffffff 00000000ffffffff
[ 77.426735][ T5323] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
[ 77.454526][ T5323] page dumped because: kasan: bad access detected
[ 77.457094][ T5323] page_owner tracks the page as allocated
[ 77.459402][ T5323] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 22981845511, free_ts 0
[ 77.467171][ T5323] post_alloc_hook+0x240/0x2a0
[ 77.469160][ T5323] get_page_from_freelist+0x2365/0x2440
[ 77.471364][ T5323] __alloc_frozen_pages_noprof+0x181/0x370
[ 77.473691][ T5323] alloc_pages_mpol+0x232/0x4a0
[ 77.475653][ T5323] allocate_slab+0x96/0x350
[ 77.493497][ T5323] ___slab_alloc+0xe94/0x18a0
[ 77.495667][ T5323] __slab_alloc+0x65/0x100
[ 77.497784][ T5323] __kmalloc_noprof+0x471/0x7f0
[ 77.500089][ T5323] ops_init+0x1eb/0x5c0
[ 77.514701][ T5323] register_pernet_operations+0x336/0x800
[ 77.517308][ T5323] register_pernet_subsys+0x28/0x40
[ 77.520273][ T5323] tcf_register_action+0x8f/0x670
[ 77.522883][ T5323] do_one_initcall+0x236/0x820
[ 77.524832][ T5323] do_initcall_level+0x104/0x190
[ 77.526853][ T5323] do_initcalls+0x59/0xa0
[ 77.545544][ T5323] kernel_init_freeable+0x334/0x4b0
[ 77.547969][ T5323] page_owner free stack trace missing
[ 77.550411][ T5323]
[ 77.551553][ T5323] Memory state around the buggy address:
[ 77.561118][ T5323] ffff88803e574080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 77.564730][ T5323] ffff88803e574100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 77.568300][ T5323] >ffff88803e574180: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc
[ 77.588378][ T5323] ^
[ 77.592281][ T5323] ffff88803e574200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 77.597444][ T5323] ffff88803e574280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 77.624271][ T5323] ==================================================================
[ 77.732559][ T5323] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 77.753559][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 77.779694][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 77.785548][ T5323] Call Trace:
[ 77.786929][ T5323]
[ 77.788149][ T5323] dump_stack_lvl+0x99/0x250
[ 77.791114][ T5323] ? __asan_memcpy+0x40/0x70
[ 77.793211][ T5323] ? __pfx_dump_stack_lvl+0x10/0x10
[ 77.795564][ T5323] ? __pfx__printk+0x10/0x10
[ 77.799633][ T5323] vpanic+0x237/0x6d0
[ 77.803634][ T5323] ? __pfx_vpanic+0x10/0x10
[ 77.809060][ T5323] ? preempt_schedule+0xae/0xc0
[ 77.811837][ T5323] ? __pfx_preempt_schedule+0x10/0x10
[ 77.816628][ T5323] panic+0xb9/0xc0
[ 77.822622][ T5323] ? __pfx_panic+0x10/0x10
[ 77.829538][ T5323] ? _raw_spin_unlock_irqrestore+0xfd/0x110
[ 77.838396][ T5323] ? is_module_address+0x17/0xf0
[ 77.841189][ T5323] ? udf_write_aext+0x69d/0x7b0
[ 77.845404][ T5323] check_panic_on_warn+0x89/0xb0
[ 77.850554][ T5323] ? udf_write_aext+0x69d/0x7b0
[ 77.854099][ T5323] end_report+0x78/0x160
[ 77.856507][ T5323] kasan_report+0x129/0x150
[ 77.859068][ T5323] ? udf_write_aext+0x69d/0x7b0
[ 77.861881][ T5323] udf_write_aext+0x69d/0x7b0
[ 77.865563][ T5323] __udf_add_aext+0x2b9/0x6d0
[ 77.869539][ T5323] udf_free_blocks+0x1466/0x17f0
[ 77.872442][ T5323] ? do_raw_spin_lock+0x121/0x290
[ 77.875291][ T5323] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 77.879409][ T5323] ? __pfx_udf_free_blocks+0x10/0x10
[ 77.882951][ T5323] ? rcu_is_watching+0x15/0xb0
[ 77.888445][ T5323] ? __mark_inode_dirty+0x3d2/0xe10
[ 77.892764][ T5323] ? __pfx_rcu_needs_cpu+0x10/0x10
[ 77.900135][ T5323] ? __mark_inode_dirty+0x3d2/0xe10
[ 77.903111][ T5323] extent_trunc+0x35c/0x450
[ 77.905735][ T5323] ? __pfx_extent_trunc+0x10/0x10
[ 77.910536][ T5323] udf_truncate_extents+0x5b0/0xec0
[ 77.913505][ T5323] ? __pfx_udf_truncate_extents+0x10/0x10
[ 77.916709][ T5323] ? do_raw_spin_unlock+0x4d/0x240
[ 77.919685][ T5323] udf_setsize+0x972/0x1000
[ 77.938407][ T5323] ? udf_setattr+0x385/0x5a0
[ 77.941062][ T5323] ? __pfx_udf_setsize+0x10/0x10
[ 77.947891][ T5323] ? down_write+0x162/0x1f0
[ 77.950573][ T5323] ? __pfx_down_write+0x10/0x10
[ 77.959046][ T5323] ? __pfx_current_time+0x10/0x10
[ 77.961943][ T5323] udf_setattr+0x3a1/0x5a0
[ 77.964290][ T5323] ? __pfx_udf_setattr+0x10/0x10
[ 77.966519][ T5323] notify_change+0xc1a/0xf40
[ 77.968434][ T5323] do_truncate+0x1a4/0x220
[ 77.982064][ T5323] ? __pfx_do_truncate+0x10/0x10
[ 77.992054][ T5323] ? apparmor_path_truncate+0x238/0x2d0
[ 77.994556][ T5323] vfs_truncate+0x493/0x520
[ 77.999132][ T5323] ? __pfx_vfs_truncate+0x10/0x10
[ 78.011631][ T5323] do_sys_truncate+0xdb/0x190
[ 78.013826][ T5323] ? __pfx_do_sys_truncate+0x10/0x10
[ 78.016228][ T5323] __x64_sys_truncate+0x5b/0x70
[ 78.018483][ T5323] do_syscall_64+0xfa/0xfa0
[ 78.020561][ T5323] ? lockdep_hardirqs_on+0x9c/0x150
[ 78.038319][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 78.054133][ T5323] ? clear_bhb_loop+0x60/0xb0
[ 78.056301][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 78.059045][ T5323] RIP: 0033:0x7f926218efc9
[ 78.061098][ T5323] 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
[ 78.069735][ T5323] RSP: 002b:00007f9262f9f038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 78.087889][ T5323] RAX: ffffffffffffffda RBX: 00007f92623e6090 RCX: 00007f926218efc9
[ 78.091277][ T5323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000013c0
[ 78.094530][ T5323] RBP: 00007f9262211f91 R08: 0000000000000000 R09: 0000000000000000
[ 78.097745][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 78.100966][ T5323] R13: 00007f92623e6128 R14: 00007f92623e6090 R15: 00007ffcdf96f418
[ 78.121017][ T5323]
[ 78.123114][ T5323] Kernel Offset: disabled
[ 78.125335][ T5323] Rebooting in 86400 seconds..