program: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000380)={[{@nogrpid}, {@resuid={'resuid', 0x3d, 0xee01}}, {@resgid}, {@nomblk_io_submit}, {@nombcache}, {@resgid={'resgid', 0x3d, 0xee00}}]}, 0x1, 0x42f, &(0x7f0000000940)="$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") syz_mount_image$ocfs2(&(0x7f00000026c0), &(0x7f0000004780)='./file0\x00', 0x200000, &(0x7f0000000340)=ANY=[@ANYBLOB="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"], 0x1, 0x4703, &(0x7f0000004800)="$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r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0) openat(r0, &(0x7f0000000080)='./file1\x00', 0x4a00, 0x187) ioctl$FITRIM(r0, 0x40046f01, &(0x7f0000000500)={0x7fffffff, 0x2, 0x401}) r1 = syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0) ioctl$LOOP_SET_STATUS(r1, 0x4c02, &(0x7f0000000300)={0x0, {}, 0x0, {}, 0x20007, 0x0, 0x200000, 0xd, "22536af39b7c7cb7435b0a43852dbc3a9ada34cc97af10fd4fcca15748328c53096c2f359e9ba743d30b59c491a7b3e74d938981061383374a1d79471a2d2dfe", "0410b1617b6217917d72322c0c5aa9263626c0240010f9db74161ccff2c5cf5e", [0x3, 0x800]}) creat(&(0x7f0000000380)='./bus\x00', 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x1ff) write(r2, &(0x7f0000000180)="7e7226ce9b4d692092ffa2b579f0ff5793012c9738a9be19ff3e69a683a0a1bbace0dc3853c661a4e1019e7a1f3af60350126cb99c5f3ace6f5616c00e0fb30b2832398fed6233b8632a001dd0a846cbb8a5d77e3208db486b055edb6ae7917f07ccf4b6811be57047aa17799359e733ec395940d1feb7a9ec2ddadb1ff61070c9c00f9db8e47f74a5271fa77b6e692e6ac97aaae883e5522f8e86c2403aec0ff8dee1cba5d40f0969470b9a2a95f6f22f9d4250809400ea8403a6540948", 0xfffffec6) [ 85.615992][ T5318] Bluetooth: hci0: command tx timeout [ 85.694314][ T5344] loop0: detected capacity change from 0 to 512 [ 85.727305][ T5344] EXT4-fs: Ignoring removed nomblk_io_submit option [ 85.753295][ T5344] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 85.786629][ T5344] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 85.827824][ T5344] EXT4-fs (loop0): 1 truncate cleaned up [ 85.831431][ T5344] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 86.161670][ T25] audit: type=1800 audit(1765699145.627:2): pid=5344 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="file1" dev="loop0" ino=15 res=0 errno=0 [ 86.196147][ T5344] loop0: detected capacity change from 512 to 255 [ 86.220112][ T5344] EXT4-fs error (device loop0): __ext4_new_inode:1073: comm syz.0.0: reserved inode found cleared - inode=1 [ 86.240630][ T5344] ================================================================== [ 86.244427][ T5344] BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0x9c1/0x1e20 [ 86.247949][ T5344] Read of size 18446744073709551600 at addr ffff8880564822b8 by task syz.0.0/5344 [ 86.251998][ T5344] [ 86.253107][ T5344] CPU: 0 UID: 0 PID: 5344 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 86.253122][ T5344] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 86.253130][ T5344] Call Trace: [ 86.253136][ T5344] [ 86.253142][ T5344] dump_stack_lvl+0x189/0x250 [ 86.253162][ T5344] ? __virt_addr_valid+0x1c8/0x5c0 [ 86.253178][ T5344] ? rcu_is_watching+0x15/0xb0 [ 86.253191][ T5344] ? __kasan_check_byte+0x12/0x40 [ 86.253203][ T5344] ? __pfx_dump_stack_lvl+0x10/0x10 [ 86.253215][ T5344] ? rcu_is_watching+0x15/0xb0 [ 86.253235][ T5344] ? lock_release+0x4b/0x3b0 [ 86.253248][ T5344] ? __virt_addr_valid+0x1c8/0x5c0 [ 86.253263][ T5344] ? __virt_addr_valid+0x4a5/0x5c0 [ 86.253278][ T5344] print_report+0xca/0x240 [ 86.253289][ T5344] ? ext4_xattr_set_entry+0x9c1/0x1e20 [ 86.253303][ T5344] kasan_report+0x118/0x150 [ 86.253313][ T5344] ? ext4_xattr_set_entry+0x9c1/0x1e20 [ 86.253328][ T5344] ? ext4_xattr_set_entry+0x9c1/0x1e20 [ 86.253343][ T5344] kasan_check_range+0x2b0/0x2c0 [ 86.253353][ T5344] ? ext4_xattr_set_entry+0x9c1/0x1e20 [ 86.253366][ T5344] __asan_memmove+0x29/0x70 [ 86.253379][ T5344] ext4_xattr_set_entry+0x9c1/0x1e20 [ 86.253396][ T5344] ext4_xattr_ibody_set+0x254/0x6a0 [ 86.253410][ T5344] ext4_destroy_inline_data_nolock+0x214/0x5c0 [ 86.253423][ T5344] ? __pfx_ext4_destroy_inline_data_nolock+0x10/0x10 [ 86.253432][ T5344] ? ext4_read_inline_folio+0x6eb/0x850 [ 86.253447][ T5344] ? __pfx_ext4_read_inline_folio+0x10/0x10 [ 86.253461][ T5344] ? down_write+0x162/0x1f0 [ 86.253521][ T5344] ext4_convert_inline_data_to_extent+0x543/0xdd0 [ 86.253541][ T5344] ? __pfx_ext4_convert_inline_data_to_extent+0x10/0x10 [ 86.253558][ T5344] ? ext4_inode_journal_mode+0x193/0x470 [ 86.253574][ T5344] ? ext4_try_to_write_inline_data+0x49/0xa0 [ 86.253589][ T5344] ext4_write_begin+0x351/0x1860 [ 86.253609][ T5344] ? __pfx_ext4_write_begin+0x10/0x10 [ 86.253626][ T5344] generic_perform_write+0x2c5/0x900 [ 86.253639][ T5344] ? __pfx_generic_perform_write+0x10/0x10 [ 86.253649][ T5344] ? file_update_time_flags+0x448/0x4e0 [ 86.253664][ T5344] ? ext4_write_checks+0x24b/0x2c0 [ 86.253678][ T5344] ext4_buffered_write_iter+0xce/0x3a0 [ 86.253692][ T5344] ext4_file_write_iter+0x292/0x1bc0 [ 86.253708][ T5344] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 86.253723][ T5344] vfs_write+0x5c9/0xb30 [ 86.253738][ T5344] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 86.253749][ T5344] ? __pfx_vfs_write+0x10/0x10 [ 86.253764][ T5344] ? __fget_files+0x2a/0x420 [ 86.253776][ T5344] ksys_write+0x145/0x250 [ 86.253790][ T5344] ? __pfx_ksys_write+0x10/0x10 [ 86.253804][ T5344] ? do_syscall_64+0xbe/0xf80 [ 86.253815][ T5344] do_syscall_64+0xfa/0xf80 [ 86.253826][ T5344] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.253836][ T5344] ? clear_bhb_loop+0x60/0xb0 [ 86.253847][ T5344] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.253858][ T5344] RIP: 0033:0x7f7a3fd8f7c9 [ 86.253870][ T5344] 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 [ 86.253880][ T5344] RSP: 002b:00007f7a40be0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.253894][ T5344] RAX: ffffffffffffffda RBX: 00007f7a3ffe5fa0 RCX: 00007f7a3fd8f7c9 [ 86.253902][ T5344] RDX: 00000000fffffec6 RSI: 0000200000000180 RDI: 0000000000000007 [ 86.253910][ T5344] RBP: 00007f7a3fe13f91 R08: 0000000000000000 R09: 0000000000000000 [ 86.253916][ T5344] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.253923][ T5344] R13: 00007f7a3ffe6038 R14: 00007f7a3ffe5fa0 R15: 00007ffed1a563b8 [ 86.253935][ T5344] [ 86.253938][ T5344] [ 86.403380][ T5344] The buggy address belongs to the physical page: [ 86.405974][ T5344] page: refcount:3 mapcount:0 mapping:ffff888032174d80 index:0x2 pfn:0x56482 [ 86.409391][ T5344] memcg:ffff888030470d40 [ 86.411216][ T5344] aops:def_blk_aops ino:700000 dentry name(?):"" [ 86.413829][ T5344] flags: 0x4fff18000004214(referenced|dirty|workingset|private|node=1|zone=1|lastcpupid=0x7ff) [ 86.418326][ T5344] raw: 04fff18000004214 0000000000000000 dead000000000122 ffff888032174d80 [ 86.422716][ T5344] raw: 0000000000000002 ffff88801240aae0 00000003ffffffff ffff888030470d40 [ 86.427317][ T5344] page dumped because: kasan: bad access detected [ 86.430891][ T5344] page_owner tracks the page as allocated [ 86.434035][ T5344] page last allocated via order 0, migratetype Movable, gfp_mask 0x148c48(GFP_NOFS|__GFP_MOVABLE|__GFP_NOFAIL|__GFP_COMP|__GFP_HARDWALL), pid 5344, tgid 5343 (syz.0.0), ts 86239167479, free_ts 86233504635 [ 86.442662][ T5344] post_alloc_hook+0x234/0x290 [ 86.444774][ T5344] get_page_from_freelist+0x2365/0x2440 [ 86.447175][ T5344] __alloc_frozen_pages_noprof+0x181/0x370 [ 86.449428][ T5344] alloc_pages_mpol+0x232/0x4a0 [ 86.451413][ T5344] alloc_pages_noprof+0xa9/0x190 [ 86.453380][ T5344] folio_alloc_noprof+0x1e/0x30 [ 86.455582][ T5344] filemap_alloc_folio_noprof+0x112/0x490 [ 86.457944][ T5344] __filemap_get_folio_mpol+0x3fc/0xb00 [ 86.460231][ T5344] bdev_getblk+0x1f7/0x6e0 [ 86.462227][ T5344] __ext4_get_inode_loc+0x561/0x1040 [ 86.464519][ T5344] ext4_get_inode_loc+0x81/0xf0 [ 86.466707][ T5344] ext4_xattr_ibody_get+0x111/0x510 [ 86.468971][ T5344] ext4_xattr_get+0x123/0x6a0 [ 86.471063][ T5344] vfs_getxattr_alloc+0x42e/0x590 [ 86.473281][ T5344] ima_read_xattr+0x38/0x60 [ 86.475316][ T5344] process_measurement+0xfda/0x1a70 [ 86.477630][ T5344] page last free pid 5309 tgid 5309 stack trace: [ 86.480254][ T5344] free_unref_folios+0xdb3/0x14f0 [ 86.482422][ T5344] folios_put_refs+0x584/0x670 [ 86.484252][ T5344] folio_batch_move_lru+0x39b/0x420 [ 86.486045][ T5344] lru_add_drain_cpu+0x119/0x870 [ 86.487694][ T5344] lru_add_drain+0x122/0x3e0 [ 86.489311][ T5344] __folio_batch_release+0x48/0x90 [ 86.491150][ T5344] shmem_undo_range+0x49e/0x1490 [ 86.492756][ T5344] shmem_evict_inode+0x26e/0xa70 [ 86.494327][ T5344] evict+0x5f4/0xae0 [ 86.495745][ T5344] __dentry_kill+0x209/0x660 [ 86.497618][ T5344] finish_dput+0xc9/0x480 [ 86.499632][ T5344] do_renameat2+0x604/0x8e0 [ 86.501741][ T5344] __x64_sys_rename+0x82/0x90 [ 86.503857][ T5344] do_syscall_64+0xfa/0xf80 [ 86.505946][ T5344] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.508590][ T5344] [ 86.509705][ T5344] Memory state around the buggy address: [ 86.512140][ T5344] ffff888056482180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 86.515626][ T5344] ffff888056482200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 86.518921][ T5344] >ffff888056482280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 86.522307][ T5344] ^ [ 86.524773][ T5344] ffff888056482300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 86.528195][ T5344] ffff888056482380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 86.531675][ T5344] ================================================================== [ 86.535703][ T25] audit: type=1804 audit(1765699145.707:3): pid=5344 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz.0.0" name="/newroot/0/file2/file1" dev="loop0" ino=15 res=1 errno=0 [ 86.588090][ T5344] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 86.590774][ T5344] CPU: 0 UID: 0 PID: 5344 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 86.594511][ T5344] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 86.598663][ T5344] Call Trace: [ 86.600045][ T5344] [ 86.601271][ T5344] dump_stack_lvl+0x99/0x250 [ 86.603276][ T5344] ? __asan_memcpy+0x40/0x70 [ 86.605312][ T5344] ? __pfx_dump_stack_lvl+0x10/0x10 [ 86.607623][ T5344] ? __pfx__printk+0x10/0x10 [ 86.609612][ T5344] vpanic+0x237/0x6d0 [ 86.611294][ T5344] ? __pfx_vpanic+0x10/0x10 [ 86.613243][ T5344] ? preempt_schedule_common+0x83/0xd0 [ 86.615562][ T5344] ? preempt_schedule+0xae/0xc0 [ 86.617675][ T5344] panic+0xb9/0xc0 [ 86.619337][ T5344] ? __pfx_panic+0x10/0x10 [ 86.621302][ T5344] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 86.623997][ T5344] ? ext4_xattr_set_entry+0x9c1/0x1e20 [ 86.626429][ T5344] check_panic_on_warn+0x89/0xb0 [ 86.628593][ T5344] ? ext4_xattr_set_entry+0x9c1/0x1e20 [ 86.631035][ T5344] end_report+0x6f/0x140 [ 86.632909][ T5344] kasan_report+0x129/0x150 [ 86.635093][ T5344] ? ext4_xattr_set_entry+0x9c1/0x1e20 [ 86.637555][ T5344] ? ext4_xattr_set_entry+0x9c1/0x1e20 [ 86.639986][ T5344] kasan_check_range+0x2b0/0x2c0 [ 86.642256][ T5344] ? ext4_xattr_set_entry+0x9c1/0x1e20 [ 86.644795][ T5344] __asan_memmove+0x29/0x70 [ 86.646896][ T5344] ext4_xattr_set_entry+0x9c1/0x1e20 [ 86.649172][ T5344] ext4_xattr_ibody_set+0x254/0x6a0 [ 86.651732][ T5344] ext4_destroy_inline_data_nolock+0x214/0x5c0 [ 86.654661][ T5344] ? __pfx_ext4_destroy_inline_data_nolock+0x10/0x10 [ 86.657542][ T5344] ? ext4_read_inline_folio+0x6eb/0x850 [ 86.659873][ T5344] ? __pfx_ext4_read_inline_folio+0x10/0x10 [ 86.662044][ T5344] ? down_write+0x162/0x1f0 [ 86.663796][ T5344] ext4_convert_inline_data_to_extent+0x543/0xdd0 [ 86.666291][ T5344] ? __pfx_ext4_convert_inline_data_to_extent+0x10/0x10 [ 86.669004][ T5344] ? ext4_inode_journal_mode+0x193/0x470 [ 86.671258][ T5344] ? ext4_try_to_write_inline_data+0x49/0xa0 [ 86.673453][ T5344] ext4_write_begin+0x351/0x1860 [ 86.675216][ T5344] ? __pfx_ext4_write_begin+0x10/0x10 [ 86.677260][ T5344] generic_perform_write+0x2c5/0x900 [ 86.679366][ T5344] ? __pfx_generic_perform_write+0x10/0x10 [ 86.681963][ T5344] ? file_update_time_flags+0x448/0x4e0 [ 86.684398][ T5344] ? ext4_write_checks+0x24b/0x2c0 [ 86.686685][ T5344] ext4_buffered_write_iter+0xce/0x3a0 [ 86.689065][ T5344] ext4_file_write_iter+0x292/0x1bc0 [ 86.691412][ T5344] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 86.694004][ T5344] vfs_write+0x5c9/0xb30 [ 86.696008][ T5344] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 86.698598][ T5344] ? __pfx_vfs_write+0x10/0x10 [ 86.700835][ T5344] ? __fget_files+0x2a/0x420 [ 86.702940][ T5344] ksys_write+0x145/0x250 [ 86.704908][ T5344] ? __pfx_ksys_write+0x10/0x10 [ 86.707070][ T5344] ? do_syscall_64+0xbe/0xf80 [ 86.709218][ T5344] do_syscall_64+0xfa/0xf80 [ 86.711299][ T5344] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.713925][ T5344] ? clear_bhb_loop+0x60/0xb0 [ 86.716139][ T5344] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.718880][ T5344] RIP: 0033:0x7f7a3fd8f7c9 [ 86.720905][ T5344] 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 [ 86.729429][ T5344] RSP: 002b:00007f7a40be0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.732750][ T5344] RAX: ffffffffffffffda RBX: 00007f7a3ffe5fa0 RCX: 00007f7a3fd8f7c9 [ 86.736191][ T5344] RDX: 00000000fffffec6 RSI: 0000200000000180 RDI: 0000000000000007 [ 86.739692][ T5344] RBP: 00007f7a3fe13f91 R08: 0000000000000000 R09: 0000000000000000 [ 86.743778][ T5344] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.747611][ T5344] R13: 00007f7a3ffe6038 R14: 00007f7a3ffe5fa0 R15: 00007ffed1a563b8 [ 86.751709][ T5344] [ 86.753542][ T5344] Kernel Offset: disabled [ 86.755558][ T5344] Rebooting in 86400 seconds..