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) 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) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000440)={0x11, 0x13, &(0x7f0000000080)=ANY=[@ANYBLOB="18080000000000000000000002000000851000000600000018020000", @ANYRES32, @ANYBLOB="00000000000000006600020000000000180000000000000000000000000000009500040000000000360a020000000000180100002020782500000000002020207b1a00fe00000000bfa100000000000007010000f8ffffffb702000008000000b50a00000000000085000000060000009500000000000000"], &(0x7f0000000000)='GPL\x00', 0x2, 0xff5c, &(0x7f0000000340)=""/222}, 0x78) sendmmsg$sock(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f0000000280)=[{&(0x7f0000000400)="5f1ef9653da1d0", 0x7}], 0x1}}], 0x1, 0x94) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000780), r3) ioctl$sock_SIOCGIFINDEX_80211(r3, 0x8933, &(0x7f00000002c0)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_FRAME(r3, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000003c0)=ANY=[@ANYBLOB="88020000", @ANYRES16=r4, @ANYBLOB="010000000000000000003b00000008000300", @ANYRES32=r5, @ANYBLOB="6102330050300100080211000001080211000000505050505050"], 0x288}, 0x1, 0x0, 0x0, 0x800}, 0x0) setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f0000000500), &(0x7f0000001040)=ANY=[], 0x841, 0x0) r6 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0) write$FUSE_WRITE(r6, &(0x7f00000000c0)={0x18}, 0xfffffdef) [ 74.310233][ T47] Bluetooth: hci0: command tx timeout [ 74.371458][ T5334] loop0: detected capacity change from 0 to 1024 [ 74.400520][ T5334] ======================================================= [ 74.400520][ T5334] WARNING: The mand mount option has been deprecated and [ 74.400520][ T5334] and is ignored by this kernel. Remove the mand [ 74.400520][ T5334] option from the mount to silence this warning. [ 74.400520][ T5334] ======================================================= [ 74.461344][ T5334] EXT4-fs: Ignoring removed oldalloc option [ 74.463508][ T5334] EXT4-fs: Ignoring removed orlov option [ 74.480882][ T5334] EXT4-fs (loop0): stripe (2) is not aligned with cluster size (16), stripe is disabled [ 74.538166][ T5334] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 74.666946][ T5335] netlink: 8 bytes leftover after parsing attributes in process `syz.0.0'. [ 74.698024][ T5335] ================================================================== [ 74.701792][ T5335] BUG: KASAN: slab-out-of-bounds in ext4_find_extent+0xae6/0xcc0 [ 74.705421][ T5335] Read of size 4 at addr ffff888000e4292c by task syz.0.0/5335 [ 74.708877][ T5335] [ 74.709988][ T5335] CPU: 0 UID: 0 PID: 5335 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 74.710004][ T5335] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.710012][ T5335] Call Trace: [ 74.710019][ T5335] [ 74.710026][ T5335] dump_stack_lvl+0x189/0x250 [ 74.710045][ T5335] ? __virt_addr_valid+0x1c8/0x5c0 [ 74.710062][ T5335] ? rcu_is_watching+0x15/0xb0 [ 74.710077][ T5335] ? __pfx_dump_stack_lvl+0x10/0x10 [ 74.710090][ T5335] ? rcu_is_watching+0x15/0xb0 [ 74.710102][ T5335] ? lock_release+0x4b/0x3b0 [ 74.710112][ T5335] ? _raw_spin_lock_irqsave+0xb3/0xf0 [ 74.710166][ T5335] ? __virt_addr_valid+0x1c8/0x5c0 [ 74.710181][ T5335] ? __virt_addr_valid+0x4a5/0x5c0 [ 74.710197][ T5335] print_report+0xca/0x240 [ 74.710209][ T5335] ? ext4_find_extent+0xae6/0xcc0 [ 74.710222][ T5335] kasan_report+0x118/0x150 [ 74.710235][ T5335] ? ext4_find_extent+0xae6/0xcc0 [ 74.710250][ T5335] ext4_find_extent+0xae6/0xcc0 [ 74.710267][ T5335] ext4_ext_map_blocks+0x278/0x69c0 [ 74.710282][ T5335] ? lockdep_unlock+0x89/0x120 [ 74.710300][ T5335] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 74.710320][ T5335] ? ext4_es_lookup_extent+0x6cd/0xb00 [ 74.710333][ T5335] ext4_map_blocks+0x82c/0x16f0 [ 74.710347][ T5335] ? kasan_save_track+0x4f/0x80 [ 74.710363][ T5335] ? __pfx_ext4_map_blocks+0x10/0x10 [ 74.710374][ T5335] ? ext4_da_write_begin+0x352/0xd30 [ 74.710389][ T5335] ? obj_cgroup_charge_account+0x13b/0x650 [ 74.710407][ T5335] _ext4_get_block+0x1fa/0x4c0 [ 74.710427][ T5335] ? __pfx__ext4_get_block+0x10/0x10 [ 74.710442][ T5335] ext4_get_block_unwritten+0x2e/0x100 [ 74.710456][ T5335] ext4_block_write_begin+0xb03/0x1940 [ 74.710474][ T5335] ? __pfx_ext4_get_block_unwritten+0x10/0x10 [ 74.710487][ T5335] ? __pfx_ext4_block_write_begin+0x10/0x10 [ 74.710524][ T5335] ? folio_mapping+0x16f/0x1f0 [ 74.710537][ T5335] ? ext4_inode_journal_mode+0x193/0x470 [ 74.710554][ T5335] ext4_write_begin+0xb3a/0x1860 [ 74.710577][ T5335] ? __pfx_ext4_write_begin+0x10/0x10 [ 74.710591][ T5335] ext4_da_write_begin+0x352/0xd30 [ 74.710603][ T5335] ? __pfx___might_resched+0x10/0x10 [ 74.710611][ T5335] ? __pfx_ext4_da_write_begin+0x10/0x10 [ 74.710626][ T5335] generic_perform_write+0x2c5/0x900 [ 74.710639][ T5335] ? __pfx_generic_perform_write+0x10/0x10 [ 74.710649][ T5335] ? file_update_time_flags+0x448/0x4e0 [ 74.710663][ T5335] ? ext4_write_checks+0x24b/0x2c0 [ 74.710673][ T5335] ext4_buffered_write_iter+0xce/0x3a0 [ 74.710686][ T5335] ext4_file_write_iter+0x292/0x1bc0 [ 74.710704][ T5335] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 74.710720][ T5335] vfs_write+0x5c9/0xb30 [ 74.710735][ T5335] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 74.710747][ T5335] ? __pfx_vfs_write+0x10/0x10 [ 74.710763][ T5335] ? __fget_files+0x2a/0x420 [ 74.710776][ T5335] ksys_write+0x145/0x250 [ 74.710791][ T5335] ? __pfx_ksys_write+0x10/0x10 [ 74.710806][ T5335] ? do_syscall_64+0xbe/0xf80 [ 74.710819][ T5335] do_syscall_64+0xfa/0xf80 [ 74.710831][ T5335] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.710843][ T5335] ? clear_bhb_loop+0x60/0xb0 [ 74.710855][ T5335] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.710865][ T5335] RIP: 0033:0x7f3d62f8f7c9 [ 74.710876][ T5335] 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 [ 74.710885][ T5335] RSP: 002b:00007f3d63eee038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.710898][ T5335] RAX: ffffffffffffffda RBX: 00007f3d631e6090 RCX: 00007f3d62f8f7c9 [ 74.710906][ T5335] RDX: 00000000fffffdef RSI: 00002000000000c0 RDI: 0000000000000009 [ 74.710914][ T5335] RBP: 00007f3d63013f91 R08: 0000000000000000 R09: 0000000000000000 [ 74.710922][ T5335] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.710928][ T5335] R13: 00007f3d631e6128 R14: 00007f3d631e6090 R15: 00007fff1e1163d8 [ 74.710941][ T5335] [ 74.710946][ T5335] [ 74.871223][ T5335] Allocated by task 1: [ 74.873016][ T5335] kasan_save_track+0x3e/0x80 [ 74.875028][ T5335] __kasan_kmalloc+0x93/0xb0 [ 74.876990][ T5335] __kmalloc_cache_noprof+0x3e2/0x700 [ 74.879272][ T5335] tty_register_device_attr+0x2d2/0x8f0 [ 74.881642][ T5335] tty_register_driver+0x5fa/0xb80 [ 74.884208][ T5335] legacy_pty_init+0x3a2/0x5d0 [ 74.886415][ T5335] pty_init+0x9/0x20 [ 74.888293][ T5335] do_one_initcall+0x1fb/0x820 [ 74.890419][ T5335] do_initcall_level+0x104/0x190 [ 74.892563][ T5335] do_initcalls+0x59/0xa0 [ 74.894627][ T5335] kernel_init_freeable+0x334/0x4b0 [ 74.896940][ T5335] kernel_init+0x1d/0x1d0 [ 74.898794][ T5335] ret_from_fork+0x599/0xb30 [ 74.900826][ T5335] ret_from_fork_asm+0x1a/0x30 [ 74.902812][ T5335] [ 74.903921][ T5335] The buggy address belongs to the object at ffff888000e42000 [ 74.903921][ T5335] which belongs to the cache kmalloc-2k of size 2048 [ 74.909794][ T5335] The buggy address is located 1212 bytes to the right of [ 74.909794][ T5335] allocated 1136-byte region [ffff888000e42000, ffff888000e42470) [ 74.915763][ T5335] [ 74.916842][ T5335] The buggy address belongs to the physical page: [ 74.919360][ T5335] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xe40 [ 74.922904][ T5335] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 74.926803][ T5335] flags: 0x7ff00000000040(head|node=0|zone=0|lastcpupid=0x7ff) [ 74.930295][ T5335] page_type: f5(slab) [ 74.932338][ T5335] raw: 007ff00000000040 ffff88801a442000 dead000000000122 0000000000000000 [ 74.936063][ T5335] raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 [ 74.940332][ T5335] head: 007ff00000000040 ffff88801a442000 dead000000000122 0000000000000000 [ 74.944570][ T5335] head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 [ 74.948673][ T5335] head: 007ff00000000003 ffffea0000039001 00000000ffffffff 00000000ffffffff [ 74.952525][ T5335] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 74.956238][ T5335] page dumped because: kasan: bad access detected [ 74.959024][ T5335] page_owner tracks the page as allocated [ 74.961430][ T5335] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 10348118589, free_ts 0 [ 74.969641][ T5335] post_alloc_hook+0x234/0x290 [ 74.971767][ T5335] get_page_from_freelist+0x2365/0x2440 [ 74.974278][ T5335] __alloc_frozen_pages_noprof+0x181/0x370 [ 74.976624][ T5335] alloc_pages_mpol+0x232/0x4a0 [ 74.978474][ T5335] allocate_slab+0x86/0x3b0 [ 74.980238][ T5335] ___slab_alloc+0xf2b/0x1960 [ 74.982202][ T5335] __slab_alloc+0x65/0x100 [ 74.984135][ T5335] __kmalloc_cache_noprof+0x41e/0x700 [ 74.986293][ T5335] tty_register_device_attr+0x2d2/0x8f0 [ 74.988488][ T5335] tty_register_driver+0x5fa/0xb80 [ 74.990791][ T5335] legacy_pty_init+0x3a2/0x5d0 [ 74.992649][ T5335] pty_init+0x9/0x20 [ 74.994048][ T5335] do_one_initcall+0x1fb/0x820 [ 74.995808][ T5335] do_initcall_level+0x104/0x190 [ 74.997674][ T5335] do_initcalls+0x59/0xa0 [ 74.999438][ T5335] kernel_init_freeable+0x334/0x4b0 [ 75.001670][ T5335] page_owner free stack trace missing [ 75.004094][ T5335] [ 75.005125][ T5335] Memory state around the buggy address: [ 75.007526][ T5335] ffff888000e42800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 75.010834][ T5335] ffff888000e42880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 75.014418][ T5335] >ffff888000e42900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 75.017929][ T5335] ^ [ 75.020306][ T5335] ffff888000e42980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 75.023883][ T5335] ffff888000e42a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 75.027633][ T5335] ================================================================== [ 75.131262][ T5335] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 75.134368][ T5335] CPU: 0 UID: 0 PID: 5335 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 75.138093][ T5335] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 75.142703][ T5335] Call Trace: [ 75.144101][ T5335] [ 75.145455][ T5335] dump_stack_lvl+0x99/0x250 [ 75.147703][ T5335] ? __asan_memcpy+0x40/0x70 [ 75.149759][ T5335] ? __pfx_dump_stack_lvl+0x10/0x10 [ 75.152258][ T5335] ? __pfx__printk+0x10/0x10 [ 75.154762][ T5335] vpanic+0x237/0x6d0 [ 75.156932][ T5335] ? __pfx_vpanic+0x10/0x10 [ 75.159394][ T5335] ? preempt_schedule+0xae/0xc0 [ 75.161630][ T5335] ? __pfx_preempt_schedule+0x10/0x10 [ 75.164105][ T5335] panic+0xb9/0xc0 [ 75.165667][ T5335] ? __pfx_panic+0x10/0x10 [ 75.167409][ T5335] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 75.169619][ T5335] ? is_module_address+0x17/0xf0 [ 75.171677][ T5335] ? ext4_find_extent+0xae6/0xcc0 [ 75.173817][ T5335] check_panic_on_warn+0x89/0xb0 [ 75.175962][ T5335] ? ext4_find_extent+0xae6/0xcc0 [ 75.178082][ T5335] end_report+0x6f/0x140 [ 75.179802][ T5335] kasan_report+0x129/0x150 [ 75.181765][ T5335] ? ext4_find_extent+0xae6/0xcc0 [ 75.183886][ T5335] ext4_find_extent+0xae6/0xcc0 [ 75.185981][ T5335] ext4_ext_map_blocks+0x278/0x69c0 [ 75.188241][ T5335] ? lockdep_unlock+0x89/0x120 [ 75.190430][ T5335] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 75.192939][ T5335] ? ext4_es_lookup_extent+0x6cd/0xb00 [ 75.195560][ T5335] ext4_map_blocks+0x82c/0x16f0 [ 75.197795][ T5335] ? kasan_save_track+0x4f/0x80 [ 75.200011][ T5335] ? __pfx_ext4_map_blocks+0x10/0x10 [ 75.202303][ T5335] ? ext4_da_write_begin+0x352/0xd30 [ 75.204509][ T5335] ? obj_cgroup_charge_account+0x13b/0x650 [ 75.207035][ T5335] _ext4_get_block+0x1fa/0x4c0 [ 75.209091][ T5335] ? __pfx__ext4_get_block+0x10/0x10 [ 75.211382][ T5335] ext4_get_block_unwritten+0x2e/0x100 [ 75.213759][ T5335] ext4_block_write_begin+0xb03/0x1940 [ 75.216183][ T5335] ? __pfx_ext4_get_block_unwritten+0x10/0x10 [ 75.218865][ T5335] ? __pfx_ext4_block_write_begin+0x10/0x10 [ 75.221468][ T5335] ? folio_mapping+0x16f/0x1f0 [ 75.223598][ T5335] ? ext4_inode_journal_mode+0x193/0x470 [ 75.226097][ T5335] ext4_write_begin+0xb3a/0x1860 [ 75.228278][ T5335] ? __pfx_ext4_write_begin+0x10/0x10 [ 75.230650][ T5335] ext4_da_write_begin+0x352/0xd30 [ 75.232935][ T5335] ? __pfx___might_resched+0x10/0x10 [ 75.235300][ T5335] ? __pfx_ext4_da_write_begin+0x10/0x10 [ 75.237269][ T5335] generic_perform_write+0x2c5/0x900 [ 75.239535][ T5335] ? __pfx_generic_perform_write+0x10/0x10 [ 75.241870][ T5335] ? file_update_time_flags+0x448/0x4e0 [ 75.243963][ T5335] ? ext4_write_checks+0x24b/0x2c0 [ 75.245915][ T5335] ext4_buffered_write_iter+0xce/0x3a0 [ 75.248262][ T5335] ext4_file_write_iter+0x292/0x1bc0 [ 75.250786][ T5335] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 75.253451][ T5335] vfs_write+0x5c9/0xb30 [ 75.255393][ T5335] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 75.257816][ T5335] ? __pfx_vfs_write+0x10/0x10 [ 75.259938][ T5335] ? __fget_files+0x2a/0x420 [ 75.261773][ T5335] ksys_write+0x145/0x250 [ 75.263432][ T5335] ? __pfx_ksys_write+0x10/0x10 [ 75.265184][ T5335] ? do_syscall_64+0xbe/0xf80 [ 75.266970][ T5335] do_syscall_64+0xfa/0xf80 [ 75.268786][ T5335] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.271364][ T5335] ? clear_bhb_loop+0x60/0xb0 [ 75.273356][ T5335] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.276022][ T5335] RIP: 0033:0x7f3d62f8f7c9 [ 75.278006][ T5335] 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 [ 75.285307][ T5335] RSP: 002b:00007f3d63eee038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.288960][ T5335] RAX: ffffffffffffffda RBX: 00007f3d631e6090 RCX: 00007f3d62f8f7c9 [ 75.292524][ T5335] RDX: 00000000fffffdef RSI: 00002000000000c0 RDI: 0000000000000009 [ 75.296105][ T5335] RBP: 00007f3d63013f91 R08: 0000000000000000 R09: 0000000000000000 [ 75.299534][ T5335] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.302989][ T5335] R13: 00007f3d631e6128 R14: 00007f3d631e6090 R15: 00007fff1e1163d8 [ 75.306522][ T5335] [ 75.308218][ T5335] Kernel Offset: disabled [ 75.310046][ T5335] Rebooting in 86400 seconds..