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 = open(&(0x7f0000000000)='./bus\x00', 0x60142, 0x0) r2 = open(&(0x7f0000000080)='./bus\x00', 0x107382, 0x1d0) ftruncate(r2, 0x2007ffb) sendfile(r1, r2, 0x0, 0x1000000201005) r3 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000000)={'vxcan1\x00', 0x0}) bind$can_j1939(r3, &(0x7f00000000c0)={0x1d, r4}, 0x18) connect$can_j1939(r3, &(0x7f0000000140)={0x1d, r4, 0x0, {0x1, 0xf1, 0xa8fe8ad4eea2351f}, 0x2}, 0x18) setsockopt$SO_J1939_ERRQUEUE(r3, 0x6b, 0x4, &(0x7f00000003c0)=0x5, 0x4) sendmmsg(r3, &(0x7f0000003e40), 0x3fffffffffffe3d, 0xf5) syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000380)=ANY=[@ANYBLOB="1201500200000040"], 0x0) open(&(0x7f0000000180)='./bus\x00', 0x14937e, 0x111) socket(0x840000000002, 0x3, 0xff) mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x5000, 0x0) r5 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) ioctl$LOOP_SET_STATUS64(r5, 0x4c04, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x8005, 0x0, 0x0, 0x15, 0x1c, "ef359f413bb93852f7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e737ff0edf110ff4117639c2eb4b78c660e677df701905b9aafab4afaaf755a3f6a004", "036c47c6780820d1cbf7966d61fdcf335263bd9bffbcc2542ded71038259ca171ce1a311ef54ec32d71e14ef3dc177e9b48b00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x204]}) truncate(&(0x7f00000013c0)='./file1\x00', 0x0) [ 68.686273][ T5302] Bluetooth: hci0: command tx timeout [ 68.762411][ T5322] loop0: detected capacity change from 0 to 2048 [ 68.783968][ T5322] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=2362, location=2362 [ 68.804811][ T5322] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d [ 68.820498][ T5322] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 160: 0xd2 != 0xd4 [ 68.830872][ T5322] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 68.844596][ T26] audit: type=1800 audit(1761691333.342:2): 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 [ 69.289688][ T1352] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 69.509962][ T5322] loop0: detected capacity change from 2048 to 64 [ 69.534875][ T5322] ================================================================== [ 69.538606][ T5322] BUG: KASAN: slab-out-of-bounds in udf_write_aext+0x69d/0x7b0 [ 69.542501][ T5322] Write of size 4 at addr ffff888032fb21d8 by task syz.0.0/5322 [ 69.545928][ T5322] [ 69.547032][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 69.547047][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.547054][ T5322] Call Trace: [ 69.547062][ T5322] [ 69.547068][ T5322] dump_stack_lvl+0x189/0x250 [ 69.547087][ T5322] ? __virt_addr_valid+0x1c8/0x5c0 [ 69.547104][ T5322] ? rcu_is_watching+0x15/0xb0 [ 69.547117][ T5322] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.547133][ T5322] ? rcu_is_watching+0x15/0xb0 [ 69.547143][ T5322] ? lock_release+0x4b/0x3e0 [ 69.547153][ T5322] ? _raw_spin_lock_irqsave+0xb3/0xf0 [ 69.547212][ T5322] ? __virt_addr_valid+0x1c8/0x5c0 [ 69.547227][ T5322] ? __virt_addr_valid+0x4a5/0x5c0 [ 69.547241][ T5322] print_report+0xca/0x240 [ 69.547255][ T5322] ? udf_write_aext+0x69d/0x7b0 [ 69.547265][ T5322] kasan_report+0x118/0x150 [ 69.547280][ T5322] ? udf_write_aext+0x69d/0x7b0 [ 69.547293][ T5322] udf_write_aext+0x69d/0x7b0 [ 69.547306][ T5322] __udf_add_aext+0x2b9/0x6d0 [ 69.547317][ T5322] udf_free_blocks+0x1466/0x17f0 [ 69.547335][ T5322] ? do_raw_spin_lock+0x121/0x290 [ 69.547350][ T5322] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 69.547362][ T5322] ? __pfx_udf_free_blocks+0x10/0x10 [ 69.547378][ T5322] ? rcu_is_watching+0x15/0xb0 [ 69.547389][ T5322] ? __mark_inode_dirty+0x3d2/0xe10 [ 69.547401][ T5322] ? rcu_needs_cpu+0x90/0xb0 [ 69.547412][ T5322] ? __mark_inode_dirty+0x3d2/0xe10 [ 69.547423][ T5322] extent_trunc+0x35c/0x450 [ 69.547437][ T5322] ? __pfx_extent_trunc+0x10/0x10 [ 69.547452][ T5322] udf_truncate_extents+0x5b0/0xec0 [ 69.547472][ T5322] ? __pfx_udf_truncate_extents+0x10/0x10 [ 69.547489][ T5322] ? do_raw_spin_unlock+0x4d/0x240 [ 69.547503][ T5322] udf_setsize+0x972/0x1000 [ 69.547517][ T5322] ? udf_setattr+0x385/0x5a0 [ 69.547533][ T5322] ? __pfx_udf_setsize+0x10/0x10 [ 69.547548][ T5322] ? down_write+0x162/0x1f0 [ 69.547562][ T5322] ? __pfx_down_write+0x10/0x10 [ 69.547575][ T5322] ? __pfx_current_time+0x10/0x10 [ 69.547585][ T5322] udf_setattr+0x3a1/0x5a0 [ 69.547600][ T5322] ? __pfx_udf_setattr+0x10/0x10 [ 69.547614][ T5322] notify_change+0xc1a/0xf40 [ 69.547628][ T5322] do_truncate+0x1a4/0x220 [ 69.547641][ T5322] ? __pfx_do_truncate+0x10/0x10 [ 69.547653][ T5322] ? apparmor_path_truncate+0x238/0x2d0 [ 69.547668][ T5322] vfs_truncate+0x493/0x520 [ 69.547681][ T5322] ? __pfx_vfs_truncate+0x10/0x10 [ 69.547698][ T5322] do_sys_truncate+0xdb/0x190 [ 69.547712][ T5322] ? __pfx_do_sys_truncate+0x10/0x10 [ 69.547728][ T5322] __x64_sys_truncate+0x5b/0x70 [ 69.547740][ T5322] do_syscall_64+0xfa/0xfa0 [ 69.547754][ T5322] ? lockdep_hardirqs_on+0x9c/0x150 [ 69.547765][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.547775][ T5322] ? clear_bhb_loop+0x60/0xb0 [ 69.547786][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.547798][ T5322] RIP: 0033:0x7fea06b8efc9 [ 69.547809][ T5322] 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 [ 69.547819][ T5322] RSP: 002b:00007fea07a0e038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 69.547832][ T5322] RAX: ffffffffffffffda RBX: 00007fea06de5fa0 RCX: 00007fea06b8efc9 [ 69.547840][ T5322] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000013c0 [ 69.547846][ T5322] RBP: 00007fea06c11f91 R08: 0000000000000000 R09: 0000000000000000 [ 69.547853][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.547859][ T5322] R13: 00007fea06de6038 R14: 00007fea06de5fa0 R15: 00007ffec1a680b8 [ 69.547870][ T5322] [ 69.547874][ T5322] [ 69.703505][ T5322] Allocated by task 5322: [ 69.705376][ T5322] kasan_save_track+0x3e/0x80 [ 69.707348][ T5322] __kasan_kmalloc+0x93/0xb0 [ 69.709396][ T5322] __kmalloc_noprof+0x411/0x7f0 [ 69.711377][ T5322] __udf_iget+0xc66/0x3ae0 [ 69.713340][ T5322] udf_fill_partdesc_info+0x773/0x1320 [ 69.715607][ T5322] udf_process_sequence+0x111c/0x47e0 [ 69.717891][ T5322] udf_check_anchor_block+0x28e/0x550 [ 69.720182][ T5322] udf_load_vrs+0x96d/0xf20 [ 69.722020][ T5322] udf_fill_super+0x5ad/0x17a0 [ 69.723913][ T5322] get_tree_bdev_flags+0x40e/0x4d0 [ 69.725972][ T5322] vfs_get_tree+0x92/0x2b0 [ 69.727752][ T5322] do_new_mount+0x302/0xa10 [ 69.729657][ T5322] __se_sys_mount+0x313/0x410 [ 69.731567][ T5322] do_syscall_64+0xfa/0xfa0 [ 69.733444][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.735831][ T5322] [ 69.736849][ T5322] The buggy address belongs to the object at ffff888032fb2000 [ 69.736849][ T5322] which belongs to the cache kmalloc-512 of size 512 [ 69.742725][ T5322] The buggy address is located 0 bytes to the right of [ 69.742725][ T5322] allocated 472-byte region [ffff888032fb2000, ffff888032fb21d8) [ 69.748812][ T5322] [ 69.749820][ T5322] The buggy address belongs to the physical page: [ 69.752633][ T5322] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888032fb2800 pfn:0x32fb2 [ 69.756989][ T5322] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 69.760593][ T5322] flags: 0x4fff00000000240(workingset|head|node=1|zone=1|lastcpupid=0x7ff) [ 69.764102][ T5322] page_type: f5(slab) [ 69.765780][ T5322] raw: 04fff00000000240 ffff88801a041c80 ffff8880304007c8 ffffea0000cfa190 [ 69.769287][ T5322] raw: ffff888032fb2800 0000000000080007 00000000f5000000 0000000000000000 [ 69.772969][ T5322] head: 04fff00000000240 ffff88801a041c80 ffff8880304007c8 ffffea0000cfa190 [ 69.776706][ T5322] head: ffff888032fb2800 0000000000080007 00000000f5000000 0000000000000000 [ 69.780471][ T5322] head: 04fff00000000001 ffffea0000cbec81 00000000ffffffff 00000000ffffffff [ 69.784121][ T5322] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 69.787461][ T5322] page dumped because: kasan: bad access detected [ 69.790149][ T5322] page_owner tracks the page as allocated [ 69.792449][ T5322] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5105, tgid 5105 (getty), ts 45177273842, free_ts 43962033884 [ 69.800519][ T5322] post_alloc_hook+0x240/0x2a0 [ 69.802607][ T5322] get_page_from_freelist+0x2365/0x2440 [ 69.805012][ T5322] __alloc_frozen_pages_noprof+0x181/0x370 [ 69.807639][ T5322] alloc_pages_mpol+0x232/0x4a0 [ 69.809799][ T5322] allocate_slab+0x96/0x350 [ 69.811788][ T5322] ___slab_alloc+0xe94/0x18a0 [ 69.813744][ T5322] __slab_alloc+0x65/0x100 [ 69.815582][ T5322] __kmalloc_noprof+0x471/0x7f0 [ 69.817661][ T5322] tomoyo_init_log+0x1a6e/0x1f70 [ 69.819760][ T5322] tomoyo_supervisor+0x340/0x1480 [ 69.821957][ T5322] tomoyo_path_permission+0x25a/0x380 [ 69.824851][ T5322] tomoyo_check_open_permission+0x24d/0x3b0 [ 69.828138][ T5322] security_file_open+0xb1/0x270 [ 69.830858][ T5322] do_dentry_open+0x384/0x13f0 [ 69.833620][ T5322] vfs_open+0x3b/0x340 [ 69.835790][ T5322] path_openat+0x2ee5/0x3830 [ 69.838314][ T5322] page last free pid 5053 tgid 5053 stack trace: [ 69.841721][ T5322] __free_frozen_pages+0xbc4/0xd30 [ 69.844523][ T5322] __put_partials+0x146/0x170 [ 69.847078][ T5322] put_cpu_partial+0x1f2/0x2e0 [ 69.849280][ T5322] __slab_free+0x2b9/0x390 [ 69.851700][ T5322] qlist_free_all+0x97/0x140 [ 69.854024][ T5322] kasan_quarantine_reduce+0x148/0x160 [ 69.856416][ T5322] __kasan_slab_alloc+0x22/0x80 [ 69.858492][ T5322] kmem_cache_alloc_noprof+0x367/0x6e0 [ 69.860897][ T5322] getname_flags+0xb8/0x540 [ 69.862785][ T5322] do_sys_openat2+0xbc/0x1c0 [ 69.864828][ T5322] __x64_sys_openat+0x138/0x170 [ 69.867004][ T5322] do_syscall_64+0xfa/0xfa0 [ 69.868960][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.871496][ T5322] [ 69.872725][ T5322] Memory state around the buggy address: [ 69.875434][ T5322] ffff888032fb2080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 69.879547][ T5322] ffff888032fb2100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 69.883552][ T5322] >ffff888032fb2180: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc [ 69.886806][ T5322] ^ [ 69.889705][ T5322] ffff888032fb2200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 69.893140][ T5322] ffff888032fb2280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 69.896547][ T5322] ================================================================== [ 69.964491][ T5322] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 69.967666][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 69.971560][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.976272][ T5322] Call Trace: [ 69.977818][ T5322] [ 69.979093][ T5322] dump_stack_lvl+0x99/0x250 [ 69.981146][ T5322] ? __asan_memcpy+0x40/0x70 [ 69.982959][ T5322] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.984859][ T5322] ? __pfx__printk+0x10/0x10 [ 69.986823][ T5322] vpanic+0x237/0x6d0 [ 69.988506][ T5322] ? __pfx_vpanic+0x10/0x10 [ 69.990440][ T5322] ? preempt_schedule+0xae/0xc0 [ 69.992548][ T5322] ? __pfx_preempt_schedule+0x10/0x10 [ 69.994850][ T5322] panic+0xb9/0xc0 [ 69.996614][ T5322] ? __pfx_panic+0x10/0x10 [ 69.998461][ T5322] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 70.000891][ T5322] ? is_module_address+0x17/0xf0 [ 70.002735][ T5322] ? udf_write_aext+0x69d/0x7b0 [ 70.004739][ T5322] check_panic_on_warn+0x89/0xb0 [ 70.006738][ T5322] ? udf_write_aext+0x69d/0x7b0 [ 70.008582][ T5322] end_report+0x78/0x160 [ 70.010409][ T5322] kasan_report+0x129/0x150 [ 70.012496][ T5322] ? udf_write_aext+0x69d/0x7b0 [ 70.014572][ T5322] udf_write_aext+0x69d/0x7b0 [ 70.016624][ T5322] __udf_add_aext+0x2b9/0x6d0 [ 70.018632][ T5322] udf_free_blocks+0x1466/0x17f0 [ 70.020833][ T5322] ? do_raw_spin_lock+0x121/0x290 [ 70.022955][ T5322] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 70.025087][ T5322] ? __pfx_udf_free_blocks+0x10/0x10 [ 70.027344][ T5322] ? rcu_is_watching+0x15/0xb0 [ 70.029368][ T5322] ? __mark_inode_dirty+0x3d2/0xe10 [ 70.031618][ T5322] ? rcu_needs_cpu+0x90/0xb0 [ 70.033664][ T5322] ? __mark_inode_dirty+0x3d2/0xe10 [ 70.036001][ T5322] extent_trunc+0x35c/0x450 [ 70.038020][ T5322] ? __pfx_extent_trunc+0x10/0x10 [ 70.040141][ T5322] udf_truncate_extents+0x5b0/0xec0 [ 70.042420][ T5322] ? __pfx_udf_truncate_extents+0x10/0x10 [ 70.044924][ T5322] ? do_raw_spin_unlock+0x4d/0x240 [ 70.047144][ T5322] udf_setsize+0x972/0x1000 [ 70.049166][ T5322] ? udf_setattr+0x385/0x5a0 [ 70.051115][ T5322] ? __pfx_udf_setsize+0x10/0x10 [ 70.053341][ T5322] ? down_write+0x162/0x1f0 [ 70.055127][ T5322] ? __pfx_down_write+0x10/0x10 [ 70.057233][ T5322] ? __pfx_current_time+0x10/0x10 [ 70.059372][ T5322] udf_setattr+0x3a1/0x5a0 [ 70.061468][ T5322] ? __pfx_udf_setattr+0x10/0x10 [ 70.063547][ T5322] notify_change+0xc1a/0xf40 [ 70.065522][ T5322] do_truncate+0x1a4/0x220 [ 70.067337][ T5322] ? __pfx_do_truncate+0x10/0x10 [ 70.069456][ T5322] ? apparmor_path_truncate+0x238/0x2d0 [ 70.071781][ T5322] vfs_truncate+0x493/0x520 [ 70.073665][ T5322] ? __pfx_vfs_truncate+0x10/0x10 [ 70.075783][ T5322] do_sys_truncate+0xdb/0x190 [ 70.077811][ T5322] ? __pfx_do_sys_truncate+0x10/0x10 [ 70.079815][ T5322] __x64_sys_truncate+0x5b/0x70 [ 70.081945][ T5322] do_syscall_64+0xfa/0xfa0 [ 70.083997][ T5322] ? lockdep_hardirqs_on+0x9c/0x150 [ 70.086101][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.088743][ T5322] ? clear_bhb_loop+0x60/0xb0 [ 70.090763][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.093220][ T5322] RIP: 0033:0x7fea06b8efc9 [ 70.095117][ T5322] 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 [ 70.102718][ T5322] RSP: 002b:00007fea07a0e038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 70.106172][ T5322] RAX: ffffffffffffffda RBX: 00007fea06de5fa0 RCX: 00007fea06b8efc9 [ 70.109577][ T5322] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000013c0 [ 70.112502][ T5322] RBP: 00007fea06c11f91 R08: 0000000000000000 R09: 0000000000000000 [ 70.115461][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 70.118783][ T5322] R13: 00007fea06de6038 R14: 00007fea06de5fa0 R15: 00007ffec1a680b8 [ 70.122136][ T5322] [ 70.123683][ T5322] Kernel Offset: disabled [ 70.125431][ T5322] Rebooting in 86400 seconds..