program: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000700)={[{@delalloc}, {@discard}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@data_err_ignore}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@nobarrier}, {@noblock_validity}, {@nobh}, {@user_xattr}, {@bh}, {@jqfmt_vfsv0}]}, 0x1, 0x553, &(0x7f0000001080)="$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") r0 = syz_clone(0x400, &(0x7f0000000080), 0x0, &(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180)="aecd5888175461610dc5a6c273c52ac7511780fa6a92cbbede683d416d4fc33c03ffbdaaa74113adce2afe7c408e9d041371f4a000cb15457c72654a793942e42f3aea388b31410f0372152d0f9cf1d2ff4e3f0d6b0a6b86cbb1") ptrace(0x8, r0) r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$sock_int(r1, 0x1, 0xf, &(0x7f0000000040)=0x8, 0x4) bind$inet(r1, &(0x7f0000000200)={0x2, 0x4e20, @empty}, 0x10) r2 = socket$inet(0x2, 0x2, 0x0) setsockopt$sock_int(r2, 0x1, 0xf, &(0x7f0000000040)=0x8, 0x4) bind$inet(r2, &(0x7f0000000200)={0x2, 0x4e20, @empty}, 0x10) syz_emit_ethernet(0x32, &(0x7f0000000240)={@multicast, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0, 0x11, 0x0, @dev, @multicast1}, {0x0, 0x4e20, 0x10, 0x0, @gue={{0x2}}}}}}}, 0x0) syz_mount_image$udf(&(0x7f0000000f00), &(0x7f0000000200)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x8, &(0x7f0000000800)={[{@lastblock={'lastblock', 0x3d, 0xfe}}, {@longad}, {@adinicb}, {@shortad}, {@unhide}, {@shortad}, {@utf8}, {@nostrict}, {@iocharset={'iocharset', 0x3d, 'iso8859-13'}}]}, 0x1, 0xc65, &(0x7f0000000f80)="$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") lsetxattr$trusted_overlay_redirect(&(0x7f00000002c0)='./file1\x00', &(0x7f00000006c0), 0x0, 0x0, 0x1) ptrace$poke(0x4, r0, &(0x7f0000000080), 0x8) lsetxattr$trusted_overlay_upper(&(0x7f00000000c0)='./file1\x00', &(0x7f0000000240), &(0x7f0000000300)={0x0, 0xfb, 0x381, 0x2, 0x7, "f2b2b4a7e5a0d8f2d5860b31327fd9b5", "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"}, 0x381, 0x0) [ 69.222166][ T5327] syz.0.0 (5327) used greatest stack depth: 1[ 68.430695][ T5311] Bluetooth: hci0: command tx timeout [ 68.474404][ T5327] loop0: detected capacity change from 0 to 1024 [ 68.501538][ T5327] ======================================================= [ 68.501538][ T5327] WARNING: The mand mount option has been deprecated and [ 68.501538][ T5327] and is ignored by this kernel. Remove the mand [ 68.501538][ T5327] option from the mount to silence this warning. [ 68.501538][ T5327] ======================================================= [ 68.535640][ T5327] EXT4-fs: Ignoring removed nobh option [ 68.537693][ T5327] EXT4-fs: Ignoring removed bh option [ 68.557953][ T5327] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 68.631647][ T5332] ================================================================== [ 68.634662][ T5332] BUG: KASAN: use-after-free in ext4_find_extent+0xb92/0xd80 [ 68.637186][ T5332] Read of size 4 at addr ffff88805388430c by task syz.0.0/5332 [ 68.639774][ T5332] [ 68.640653][ T5332] CPU: 0 UID: 0 PID: 5332 Comm: syz.0.0 Not tainted 6.15.0-rc2-syzkaller-00042-g1a1d569a75f3 #0 PREEMPT(full) [ 68.640667][ T5332] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.640674][ T5332] Call Trace: [ 68.640680][ T5332] [ 68.640685][ T5332] dump_stack_lvl+0x241/0x360 [ 68.640703][ T5332] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.640717][ T5332] ? rcu_is_watching+0x15/0xb0 [ 68.640729][ T5332] ? __virt_addr_valid+0x183/0x530 [ 68.640738][ T5332] ? lock_release+0x4e/0x3e0 [ 68.640746][ T5332] ? __virt_addr_valid+0x183/0x530 [ 68.640754][ T5332] ? __virt_addr_valid+0x183/0x530 [ 68.640763][ T5332] print_report+0x16e/0x5b0 [ 68.640772][ T5332] ? __virt_addr_valid+0x183/0x530 [ 68.640781][ T5332] ? __virt_addr_valid+0x183/0x530 [ 68.640793][ T5332] ? __virt_addr_valid+0x45f/0x530 [ 68.640804][ T5332] ? __phys_addr+0xba/0x170 [ 68.640817][ T5332] ? ext4_find_extent+0xb92/0xd80 [ 68.640832][ T5332] kasan_report+0x143/0x180 [ 68.640845][ T5332] ? ext4_find_extent+0xb92/0xd80 [ 68.640859][ T5332] ext4_find_extent+0xb92/0xd80 [ 68.640873][ T5332] ext4_ext_map_blocks+0x2e6/0x7d80 [ 68.640884][ T5332] ? __pfx___es_remove_extent+0x10/0x10 [ 68.640891][ T5332] ? __es_insert_extent+0xe7a/0x1780 [ 68.640900][ T5332] ? __pfx_ext4_ext_map_blocks+0x10/0x10 [ 68.640913][ T5332] ? __lock_acquire+0xad5/0xd80 [ 68.640923][ T5332] ? __pfx_down_write+0x10/0x10 [ 68.640974][ T5332] ? ext4_es_lookup_extent+0x61a/0xa90 [ 68.640987][ T5332] ext4_map_blocks+0x91b/0x1920 [ 68.641001][ T5332] ? __pfx_ext4_map_blocks+0x10/0x10 [ 68.641034][ T5332] ? mod_objcg_state+0x5c4/0x9b0 [ 68.641046][ T5332] ? lockdep_hardirqs_on+0x9d/0x150 [ 68.641061][ T5332] _ext4_get_block+0x23b/0x6b0 [ 68.641073][ T5332] ? __pfx__ext4_get_block+0x10/0x10 [ 68.641085][ T5332] ? ext4_inode_journal_mode+0x18b/0x460 [ 68.641099][ T5332] ext4_block_write_begin+0x4d8/0x1520 [ 68.641114][ T5332] ? __pfx_ext4_get_block+0x10/0x10 [ 68.641124][ T5332] ? __pfx_ext4_block_write_begin+0x10/0x10 [ 68.641137][ T5332] ext4_write_begin+0x786/0x1330 [ 68.641156][ T5332] ? __pfx_ext4_write_begin+0x10/0x10 [ 68.641171][ T5332] ? ktime_get_coarse_real_ts64_mg+0x57/0x220 [ 68.641181][ T5332] ? seqcount_lockdep_reader_access+0x159/0x230 [ 68.641196][ T5332] ext4_da_write_begin+0x4aa/0xb20 [ 68.641209][ T5332] ? __pfx_ext4_da_write_begin+0x10/0x10 [ 68.641222][ T5332] generic_perform_write+0x329/0xa10 [ 68.641236][ T5332] ? generic_write_checks_count+0x409/0x520 [ 68.641254][ T5332] ? __pfx_generic_perform_write+0x10/0x10 [ 68.641270][ T5332] ? ext4_write_checks+0x255/0x2c0 [ 68.641284][ T5332] ext4_buffered_write_iter+0xc7/0x390 [ 68.641297][ T5332] ext4_file_write_iter+0x97f/0x1da0 [ 68.641313][ T5332] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 68.641327][ T5332] __kernel_write_iter+0x439/0x990 [ 68.641339][ T5332] ? __pfx_ext4_file_write_iter+0x10/0x10 [ 68.641351][ T5332] ? __pfx___kernel_write_iter+0x10/0x10 [ 68.641361][ T5332] ? __up_read+0x2c4/0x6b0 [ 68.641375][ T5332] ? __pfx___up_read+0x10/0x10 [ 68.641388][ T5332] ? iov_iter_bvec+0x4e/0x180 [ 68.641402][ T5332] dump_user_range+0x940/0xef0 [ 68.641419][ T5332] ? __pfx_dump_user_range+0x10/0x10 [ 68.641434][ T5332] ? __pfx_elf_coredump_extra_notes_write+0x10/0x10 [ 68.641448][ T5332] ? __kmalloc_cache_noprof+0x236/0x370 [ 68.641463][ T5332] ? dump_emit+0x99/0xd0 [ 68.641476][ T5332] elf_core_dump+0x4098/0x4af0 [ 68.641492][ T5332] ? __pfx_elf_core_dump+0x10/0x10 [ 68.641501][ T5332] ? dump_vma_snapshot+0xc60/0x1180 [ 68.641511][ T5332] ? up_write+0x1ab/0x590 [ 68.641527][ T5332] ? rcu_read_lock_any_held+0xbb/0x160 [ 68.641540][ T5332] ? 0xffffffffff600000 [ 68.641551][ T5332] do_coredump+0x22c3/0x3260 [ 68.641576][ T5332] ? __pfx_do_coredump+0x10/0x10 [ 68.641599][ T5332] ? proc_coredump_connector+0x1fe/0x6a0 [ 68.641611][ T5332] ? __pfx_proc_coredump_connector+0x10/0x10 [ 68.641624][ T5332] ? _raw_spin_unlock_irq+0x23/0x50 [ 68.641634][ T5332] ? lockdep_hardirqs_on+0x9d/0x150 [ 68.641646][ T5332] get_signal+0x13ed/0x1730 [ 68.641659][ T5332] ? __pfx_get_signal+0x10/0x10 [ 68.641671][ T5332] arch_do_signal_or_restart+0x98/0x840 [ 68.641687][ T5332] ? rcu_is_watching+0x15/0xb0 [ 68.641699][ T5332] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 68.641713][ T5332] ? __bad_area_nosemaphore+0x451/0x770 [ 68.641728][ T5332] ? irqentry_exit_to_user_mode+0x53/0x250 [ 68.641740][ T5332] irqentry_exit_to_user_mode+0x7e/0x250 [ 68.641753][ T5332] exc_page_fault+0x5f8/0x920 [ 68.641766][ T5332] asm_exc_page_fault+0x26/0x30 [ 68.641776][ T5332] RIP: 0033:0x0 [ 68.641784][ T5332] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 68.641789][ T5332] RSP: 002b:0000200000000088 EFLAGS: 00010217 [ 68.641805][ T5332] RAX: 0000000000000000 RBX: 00007f62617b5fa0 RCX: 00007f626158e169 [ 68.641813][ T5332] RDX: 0000200000000100 RSI: 0000200000000080 RDI: 0000000000000400 [ 68.641820][ T5332] RBP: 00007f6261610a68 R08: 0000200000000180 R09: 0000200000000180 [ 68.641827][ T5332] R10: 0000200000000140 R11: 0000000000000206 R12: 0000000000000000 [ 68.641834][ T5332] R13: 0000000000000000 R14: 00007f62617b5fa0 R15: 00007ffc0b879f78 [ 68.641845][ T5332] [ 68.641848][ T5332] [ 68.820832][ T5332] The buggy address belongs to the physical page: [ 68.822903][ T5332] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x53884 [ 68.825738][ T5332] flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff) [ 68.828023][ T5332] raw: 04fff00000000000 ffffea00014e2148 ffffea000136dc08 0000000000000000 [ 68.830727][ T5332] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 68.833862][ T5332] page dumped because: kasan: bad access detected [ 68.836952][ T5332] page_owner info is not present (never set?) [ 68.839356][ T5332] [ 68.840432][ T5332] Memory state around the buggy address: [ 68.842829][ T5332] ffff888053884200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 68.846179][ T5332] ffff888053884280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 68.849364][ T5332] >ffff888053884300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 68.852437][ T5332] ^ [ 68.854016][ T5332] ffff888053884380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 68.856944][ T5332] ffff888053884400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 68.859596][ T5332] ==================================================================