program: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x446, &(0x7f0000000080)={[{@stripe={'stripe', 0x3d, 0x2}}, {@journal_dev={'journal_dev', 0x3d, 0x1045}}, {@oldalloc}, {@noquota}, {@minixdf}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@delalloc}, {@nojournal_checksum}, {@orlov}, {@user_xattr}, {@quota}, {@delalloc}]}, 0x1, 0x553, &(0x7f0000001080)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0) pwrite64(r0, &(0x7f0000000140)='2', 0x1, 0x8000c61) syz_emit_vhci(&(0x7f00000002c0)=ANY=[@ANYBLOB="043e0d05c910010000"], 0x10) timer_settime(0x0, 0x1, 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) mlock(&(0x7f0000ffe000/0x1000)=nil, 0x1000) r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x42, 0x10) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x27ffff7, 0x4012011, r1, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x35) pwrite64(r2, &(0x7f0000000140)='2', 0xfdef, 0xfecc) syz_mount_image$hfs(&(0x7f00000001c0), &(0x7f0000000040)='./bus\x00', 0x14008, &(0x7f0000000280), 0x1, 0x2e9, &(0x7f00000008c0)="$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") r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0) getdents64(r3, &(0x7f0000000f80)=""/4096, 0x1000) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000180)={{{@in, @in=@private}}, {{@in=@initdev}, 0x0, @in=@dev}}, &(0x7f0000000280)=0xe8) setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f0000000500), &(0x7f0000001040)=ANY=[], 0x841, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0) write$FUSE_WRITE(r4, &(0x7f00000000c0)={0x18}, 0xfffffdef) [ 73.791087][ T46] Bluetooth: hci0: command tx timeout [ 73.833890][ T5337] loop0: detected capacity change from 0 to 1024 [ 73.886141][ T5337] ======================================================= [ 73.886141][ T5337] WARNING: The mand mount option has been deprecated and [ 73.886141][ T5337] and is ignored by this kernel. Remove the mand [ 73.886141][ T5337] option from the mount to silence this warning. [ 73.886141][ T5337] ======================================================= [ 73.925824][ T5337] EXT4-fs: Ignoring removed oldalloc option [ 73.928982][ T5337] EXT4-fs: Ignoring removed orlov option [ 73.935139][ T5337] EXT4-fs (loop0): stripe (2) is not aligned with cluster size (16), stripe is disabled [ 73.955376][ T5337] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 74.087908][ T5337] ================================================================== [ 74.091277][ T5337] BUG: KASAN: slab-out-of-bounds in ext4_find_extent+0xae6/0xcc0 [ 74.094428][ T5337] Read of size 4 at addr ffff888000a3583c by task syz.0.0/5337 [ 74.097557][ T5337] [ 74.098676][ T5337] CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 74.098691][ T5337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.098698][ T5337] Call Trace: [ 74.098706][ T5337] [ 74.098709][ T5337] dump_stack_lvl+0xe8/0x150 [ 74.098722][ T5337] print_report+0xca/0x240 [ 74.098730][ T5337] ? ext4_find_extent+0xae6/0xcc0 [ 74.098740][ T5337] kasan_report+0x118/0x150 [ 74.098747][ T5337] ? ext4_find_extent+0xae6/0xcc0 [ 74.098764][ T5337] ext4_find_extent+0xae6/0xcc0 [ 74.098774][ T5337] ext4_ext_map_blocks+0x278/0x69c0 [ 74.098790][ T5337] ? ext4_map_blocks+0x73f/0x16f0 [ 74.098797][ T5337] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 74.098808][ T5337] ? ext4_es_lookup_extent+0x6cd/0xb00 [ 74.098816][ T5337] ext4_map_blocks+0x82c/0x16f0 [ 74.098825][ T5337] ? kasan_save_track+0x4f/0x80 [ 74.098836][ T5337] ? __pfx_ext4_map_blocks+0x10/0x10 [ 74.098842][ T5337] ? ext4_da_write_begin+0x352/0xd30 [ 74.098853][ T5337] ? obj_cgroup_charge_account+0x13b/0x650 [ 74.098866][ T5337] _ext4_get_block+0x1fa/0x4c0 [ 74.098873][ T5337] ? __pfx__ext4_get_block+0x10/0x10 [ 74.098886][ T5337] ext4_get_block_unwritten+0x2e/0x100 [ 74.098895][ T5337] ext4_block_write_begin+0xb03/0x1940 [ 74.098909][ T5337] ? __pfx_ext4_get_block_unwritten+0x10/0x10 [ 74.098919][ T5337] ? __pfx_ext4_block_write_begin+0x10/0x10 [ 74.098927][ T5337] ? folio_mapping+0x16f/0x1f0 [ 74.098937][ T5337] ? ext4_inode_journal_mode+0x193/0x470 [ 74.098949][ T5337] ext4_write_begin+0xb3a/0x1860 [ 74.098969][ T5337] ? __pfx_ext4_write_begin+0x10/0x10 [ 74.098983][ T5337] ext4_da_write_begin+0x352/0xd30 [ 74.098999][ T5337] ? __pfx_ext4_da_write_begin+0x10/0x10 [ 74.099014][ T5337] generic_perform_write+0x2c5/0x900 [ 74.099027][ T5337] ? __pfx_generic_perform_write+0x10/0x10 [ 74.099036][ T5337] ? file_update_time_flags+0x448/0x4e0 [ 74.099046][ T5337] ? ext4_write_checks+0x24b/0x2c0 [ 74.099053][ T5337] ext4_buffered_write_iter+0xce/0x3a0 [ 74.099061][ T5337] ext4_file_write_iter+0x292/0x1bc0 [ 74.099069][ T5337] ? vfs_write+0x211/0xb30 [ 74.099078][ T5337] ? vfs_write+0x211/0xb30 [ 74.099086][ T5337] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 74.099096][ T5337] vfs_write+0x5c9/0xb30 [ 74.099108][ T5337] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 74.099119][ T5337] ? __pfx_vfs_write+0x10/0x10 [ 74.099133][ T5337] ? __fget_files+0x2a/0x420 [ 74.099146][ T5337] ksys_write+0x145/0x250 [ 74.099160][ T5337] ? __pfx_ksys_write+0x10/0x10 [ 74.099175][ T5337] do_syscall_64+0xec/0xf80 [ 74.099231][ T5337] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.099242][ T5337] ? trace_irq_disable+0x37/0x100 [ 74.099256][ T5337] ? clear_bhb_loop+0x60/0xb0 [ 74.099268][ T5337] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.099275][ T5337] RIP: 0033:0x7fe9a538f7c9 [ 74.099285][ T5337] 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 [ 74.099291][ T5337] RSP: 002b:00007fe9a6212038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.099301][ T5337] RAX: ffffffffffffffda RBX: 00007fe9a55e5fa0 RCX: 00007fe9a538f7c9 [ 74.099309][ T5337] RDX: 00000000fffffdef RSI: 00002000000000c0 RDI: 0000000000000009 [ 74.099316][ T5337] RBP: 00007fe9a5413f91 R08: 0000000000000000 R09: 0000000000000000 [ 74.099321][ T5337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.099327][ T5337] R13: 00007fe9a55e6038 R14: 00007fe9a55e5fa0 R15: 00007fffbfa98798 [ 74.099339][ T5337] [ 74.099343][ T5337] [ 74.242865][ T5337] Allocated by task 1: [ 74.245082][ T5337] kasan_save_track+0x3e/0x80 [ 74.247472][ T5337] __kasan_krealloc+0xeb/0x110 [ 74.249874][ T5337] krealloc_node_align_noprof+0x238/0x3a0 [ 74.252262][ T5337] add_sysfs_param+0x15f/0xa30 [ 74.254321][ T5337] kernel_add_sysfs_param+0x7f/0xe0 [ 74.256609][ T5337] param_sysfs_builtin+0x18a/0x230 [ 74.258860][ T5337] param_sysfs_builtin_init+0x23/0x30 [ 74.261214][ T5337] do_one_initcall+0x1f1/0x800 [ 74.263185][ T5337] do_initcall_level+0x104/0x190 [ 74.265193][ T5337] do_initcalls+0x59/0xa0 [ 74.266882][ T5337] kernel_init_freeable+0x2a7/0x3d0 [ 74.269222][ T5337] kernel_init+0x1d/0x1d0 [ 74.270827][ T5337] ret_from_fork+0x510/0xa50 [ 74.272465][ T5337] ret_from_fork_asm+0x1a/0x30 [ 74.274290][ T5337] [ 74.275421][ T5337] The buggy address belongs to the object at ffff888000a35800 [ 74.275421][ T5337] which belongs to the cache kmalloc-32 of size 32 [ 74.281495][ T5337] The buggy address is located 28 bytes to the right of [ 74.281495][ T5337] allocated 32-byte region [ffff888000a35800, ffff888000a35820) [ 74.287306][ T5337] [ 74.288393][ T5337] The buggy address belongs to the physical page: [ 74.291288][ T5337] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xa35 [ 74.295057][ T5337] ksm flags: 0x7ff00000000000(node=0|zone=0|lastcpupid=0x7ff) [ 74.298331][ T5337] page_type: f5(slab) [ 74.300171][ T5337] raw: 007ff00000000000 ffff88801a441780 ffffea0000030480 dead000000000003 [ 74.303909][ T5337] raw: 0000000000000000 0000000000400040 00000000f5000000 0000000000000000 [ 74.307394][ T5337] page dumped because: kasan: bad access detected [ 74.310039][ T5337] page_owner tracks the page as allocated [ 74.312540][ T5337] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP), pid 4377, tgid 4377 (kworker/u4:11), ts 26106427647, free_ts 26087896574 [ 74.319282][ T5337] post_alloc_hook+0x234/0x290 [ 74.320817][ T5337] get_page_from_freelist+0x24e0/0x2580 [ 74.322544][ T5337] __alloc_frozen_pages_noprof+0x181/0x370 [ 74.324389][ T5337] alloc_pages_mpol+0x232/0x4a0 [ 74.326094][ T5337] allocate_slab+0x86/0x3b0 [ 74.327565][ T5337] ___slab_alloc+0xe53/0x1820 [ 74.329335][ T5337] __slab_alloc+0x65/0x100 [ 74.330970][ T5337] __kmalloc_cache_noprof+0x41e/0x700 [ 74.333175][ T5337] kmem_cache_free+0x16b/0x620 [ 74.335190][ T5337] release_task+0xfd0/0x16c0 [ 74.337197][ T5337] do_exit+0x15e3/0x22f0 [ 74.339012][ T5337] call_usermodehelper_exec_async+0x358/0x360 [ 74.341634][ T5337] ret_from_fork+0x510/0xa50 [ 74.343679][ T5337] ret_from_fork_asm+0x1a/0x30 [ 74.345629][ T5337] page last free pid 786 tgid 786 stack trace: [ 74.348170][ T5337] __free_frozen_pages+0xbc8/0xd30 [ 74.350258][ T5337] vfree+0x25a/0x400 [ 74.351916][ T5337] delayed_vfree_work+0x55/0x80 [ 74.353994][ T5337] process_scheduled_works+0xad1/0x1770 [ 74.356454][ T5337] worker_thread+0x8a0/0xda0 [ 74.358492][ T5337] kthread+0x711/0x8a0 [ 74.360381][ T5337] ret_from_fork+0x510/0xa50 [ 74.362414][ T5337] ret_from_fork_asm+0x1a/0x30 [ 74.364575][ T5337] [ 74.365674][ T5337] Memory state around the buggy address: [ 74.368161][ T5337] ffff888000a35700: 00 00 03 fc fc fc fc fc 00 00 00 00 fc fc fc fc [ 74.371874][ T5337] ffff888000a35780: 00 00 00 00 fc fc fc fc 00 00 00 00 fc fc fc fc [ 74.375269][ T5337] >ffff888000a35800: 00 00 00 00 fc fc fc fc 00 00 00 00 fc fc fc fc [ 74.378362][ T5337] ^ [ 74.380558][ T5337] ffff888000a35880: 00 00 00 00 fc fc fc fc fa fb fb fb fc fc fc fc [ 74.383975][ T5337] ffff888000a35900: 00 00 00 00 fc fc fc fc 00 00 00 00 fc fc fc fc [ 74.387287][ T5337] ================================================================== [ 74.402770][ T5337] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 74.405921][ T5337] CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 74.409805][ T5337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.414321][ T5337] Call Trace: [ 74.415506][ T5337] [ 74.416656][ T5337] vpanic+0x1e0/0x670 [ 74.418380][ T5337] panic+0xb9/0xc0 [ 74.420149][ T5337] ? __pfx_panic+0x10/0x10 [ 74.422056][ T5337] ? preempt_schedule_common+0x83/0xd0 [ 74.424427][ T5337] ? ext4_find_extent+0xae6/0xcc0 [ 74.426432][ T5337] check_panic_on_warn+0x89/0xb0 [ 74.428463][ T5337] ? ext4_find_extent+0xae6/0xcc0 [ 74.430594][ T5337] end_report+0x6f/0x140 [ 74.432462][ T5337] kasan_report+0x129/0x150 [ 74.434697][ T5337] ? ext4_find_extent+0xae6/0xcc0 [ 74.437326][ T5337] ext4_find_extent+0xae6/0xcc0 [ 74.439562][ T5337] ext4_ext_map_blocks+0x278/0x69c0 [ 74.441767][ T5337] ? ext4_map_blocks+0x73f/0x16f0 [ 74.444009][ T5337] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 74.446190][ T5337] ? ext4_es_lookup_extent+0x6cd/0xb00 [ 74.448362][ T5337] ext4_map_blocks+0x82c/0x16f0 [ 74.450466][ T5337] ? kasan_save_track+0x4f/0x80 [ 74.452591][ T5337] ? __pfx_ext4_map_blocks+0x10/0x10 [ 74.454987][ T5337] ? ext4_da_write_begin+0x352/0xd30 [ 74.457455][ T5337] ? obj_cgroup_charge_account+0x13b/0x650 [ 74.460617][ T5337] _ext4_get_block+0x1fa/0x4c0 [ 74.463228][ T5337] ? __pfx__ext4_get_block+0x10/0x10 [ 74.466035][ T5337] ext4_get_block_unwritten+0x2e/0x100 [ 74.468931][ T5337] ext4_block_write_begin+0xb03/0x1940 [ 74.471798][ T5337] ? __pfx_ext4_get_block_unwritten+0x10/0x10 [ 74.474432][ T5337] ? __pfx_ext4_block_write_begin+0x10/0x10 [ 74.476929][ T5337] ? folio_mapping+0x16f/0x1f0 [ 74.479135][ T5337] ? ext4_inode_journal_mode+0x193/0x470 [ 74.481618][ T5337] ext4_write_begin+0xb3a/0x1860 [ 74.483891][ T5337] ? __pfx_ext4_write_begin+0x10/0x10 [ 74.486256][ T5337] ext4_da_write_begin+0x352/0xd30 [ 74.488536][ T5337] ? __pfx_ext4_da_write_begin+0x10/0x10 [ 74.490843][ T5337] generic_perform_write+0x2c5/0x900 [ 74.493150][ T5337] ? __pfx_generic_perform_write+0x10/0x10 [ 74.495445][ T5337] ? file_update_time_flags+0x448/0x4e0 [ 74.497769][ T5337] ? ext4_write_checks+0x24b/0x2c0 [ 74.499985][ T5337] ext4_buffered_write_iter+0xce/0x3a0 [ 74.502367][ T5337] ext4_file_write_iter+0x292/0x1bc0 [ 74.504621][ T5337] ? vfs_write+0x211/0xb30 [ 74.506489][ T5337] ? vfs_write+0x211/0xb30 [ 74.508335][ T5337] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 74.510825][ T5337] vfs_write+0x5c9/0xb30 [ 74.512708][ T5337] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 74.515308][ T5337] ? __pfx_vfs_write+0x10/0x10 [ 74.517551][ T5337] ? __fget_files+0x2a/0x420 [ 74.519716][ T5337] ksys_write+0x145/0x250 [ 74.521680][ T5337] ? __pfx_ksys_write+0x10/0x10 [ 74.523898][ T5337] do_syscall_64+0xec/0xf80 [ 74.525924][ T5337] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.528524][ T5337] ? trace_irq_disable+0x37/0x100 [ 74.530800][ T5337] ? clear_bhb_loop+0x60/0xb0 [ 74.532965][ T5337] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.535539][ T5337] RIP: 0033:0x7fe9a538f7c9 [ 74.537472][ T5337] 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 [ 74.545620][ T5337] RSP: 002b:00007fe9a6212038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.549332][ T5337] RAX: ffffffffffffffda RBX: 00007fe9a55e5fa0 RCX: 00007fe9a538f7c9 [ 74.552764][ T5337] RDX: 00000000fffffdef RSI: 00002000000000c0 RDI: 0000000000000009 [ 74.556192][ T5337] RBP: 00007fe9a5413f91 R08: 0000000000000000 R09: 0000000000000000 [ 74.559538][ T5337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.562962][ T5337] R13: 00007fe9a55e6038 R14: 00007fe9a55e5fa0 R15: 00007fffbfa98798 [ 74.566422][ T5337] [ 74.568114][ T5337] Kernel Offset: disabled [ 74.570081][ T5337] Rebooting in 86400 seconds..