program: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000580)=@base={0x5, 0x4, 0x4, 0x4}, 0x48) r1 = syz_init_net_socket$ax25(0x3, 0x5, 0x0) syz_mount_image$ocfs2(&(0x7f0000004440), &(0x7f0000000040)='./file1\x00', 0x8c0, &(0x7f0000000600)=ANY=[@ANYBLOB="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"], 0x1, 0x442d, &(0x7f0000004480)="$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r2 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./bus\x00', 0x141842, 0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='blkio.bfq.io_service_time_recursive\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000200), 0xfea7) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpuset.effective_cpus\x00', 0x275a, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r4, &(0x7f0000000140)={0x0, 0x18, 0xfa00, {0x0, 0x0}}, 0xffc9) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000040)={@cgroup, 0xffffffffffffffff, 0x37, 0x201d}, 0x20) write$P9_RLERROR(r2, &(0x7f0000000280)=ANY=[@ANYBLOB="0a65b3a40f02000000000000000076a1fc"], 0xa) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuset.effective_cpus\x00', 0x275a, 0x0) syz_mount_image$msdos(&(0x7f0000000f40), &(0x7f0000000f00)='.\x00', 0x1a4a438, &(0x7f0000000100)=ANY=[], 0xb, 0x0, &(0x7f0000000100)) r5 = syz_open_dev$loop(&(0x7f0000000580), 0x0, 0x20000) ioctl$LOOP_SET_STATUS(r5, 0x4c02, &(0x7f0000000080)={0x0, {}, 0x0, {}, 0x8, 0x1, 0x14, 0x19, "981dfe1404ea1234275704afed730428df8208a7c9b3be966a82ea28b7f307e69b054b0cb5d6966e64512dba391b82c6ba86117bcb0fac71f4d84f5f54297589", "0bc262b5f40e155c7b772ff3beb84c47828a6403bed6f41cc070c1f4c52c0d71", [0x6]}) copy_file_range(r3, &(0x7f00000001c0), r2, 0x0, 0xffffffffa003e45b, 0x700000000000000) listen(r1, 0x0) r6 = perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x99, 0x1, 0x0, 0x0, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0xffffffffffffff91, 0xfffffffffffffff8}, 0x126a0, 0x1000, 0x0, 0x0, 0x0, 0x2, 0x7ff, 0x0, 0x0, 0x0, 0x2}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r6, 0x40082406, &(0x7f0000000040)=',)}]\x00') setsockopt$ax25_SO_BINDTODEVICE(r1, 0x101, 0x19, &(0x7f0000000000)=@rose={'rose', 0x0}, 0x10) bpf$PROG_LOAD(0x5, &(0x7f0000002c40)={0x6, 0x17, &(0x7f00000007c0)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1ffffc}, {{0x18, 0x1, 0x1, 0x0, r0}, {}, {}, {0x85, 0x0, 0x0, 0x5}}, {{0x6, 0x0, 0x6, 0x9, 0x0, 0x6, 0xe7030000}, {0x4, 0x0, 0x0, 0x6}}, [@printk={@p, {0x3, 0x3, 0x3, 0xa, 0x9}, {0x4, 0x1, 0xa, 0x1, 0x9}, {0x7, 0x0, 0x3}, {}, {}, {0x14}}], {{0x5, 0x1, 0x5, 0x3}, {0x5, 0x0, 0xb, 0x3, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x89}}}, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) [ 83.542208][ T45] Bluetooth: hci0: command tx timeout [ 84.134945][ T5322] loop0: detected capacity change from 0 to 32768 [ 84.150360][ T5322] ======================================================= [ 84.150360][ T5322] WARNING: The mand mount option has been deprecated and [ 84.150360][ T5322] and is ignored by this kernel. Remove the mand [ 84.150360][ T5322] option from the mount to silence this warning. [ 84.150360][ T5322] ======================================================= [ 84.235885][ T5322] JBD2: Ignoring recovery information on journal [ 84.296127][ T5322] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 84.432123][ T5322] (syz.0.0,5322,0):ocfs2_check_set_options:1244 ERROR: Invalid heartbeat mount options [ 84.459231][ T5322] loop0: detected capacity change from 32768 to 32767 [ 84.484091][ T5322] OCFS2: ERROR (device loop0): int ocfs2_validate_inode_block(struct super_block *, struct buffer_head *): Invalid dinode #17058: signature = B±¹ [ 84.505323][ T5322] On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. [ 84.521581][ T5322] OCFS2: File system is now read-only. [ 84.524377][ T5322] (syz.0.0,5322,0):ocfs2_assign_bh:2417 ERROR: status = -30 [ 84.554712][ T5322] (syz.0.0,5322,0):ocfs2_inode_lock_full_nested:2512 ERROR: status = -30 [ 84.575177][ T5322] (syz.0.0,5322,0):ocfs2_reflink_inodes_lock:4748 ERROR: status = -30 [ 84.599336][ T5322] ================================================================== [ 84.603232][ T5322] BUG: KASAN: use-after-free in ocfs2_write_end_nolock+0xbd9/0x18f0 [ 84.608301][ T5322] Write of size 4086 at addr ffff888056cb94d2 by task syz.0.0/5322 [ 84.612135][ T5322] [ 84.613285][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 84.613304][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 84.613314][ T5322] Call Trace: [ 84.613323][ T5322] [ 84.613331][ T5322] dump_stack_lvl+0xe8/0x150 [ 84.613358][ T5322] print_report+0xba/0x230 [ 84.613371][ T5322] ? ocfs2_write_end_nolock+0xbd9/0x18f0 [ 84.613384][ T5322] kasan_report+0x117/0x150 [ 84.613402][ T5322] ? ocfs2_write_end_nolock+0xbd9/0x18f0 [ 84.613417][ T5322] kasan_check_range+0x264/0x2c0 [ 84.613430][ T5322] ? ocfs2_write_end_nolock+0xbd9/0x18f0 [ 84.613443][ T5322] __asan_memcpy+0x40/0x70 [ 84.613460][ T5322] ocfs2_write_end_nolock+0xbd9/0x18f0 [ 84.613478][ T5322] ? __pfx_ocfs2_write_end_nolock+0x10/0x10 [ 84.613490][ T5322] ? lockdep_hardirqs_on+0x7a/0x110 [ 84.613551][ T5322] ocfs2_write_end+0x58/0x90 [ 84.613566][ T5322] generic_perform_write+0x620/0x8f0 [ 84.613586][ T5322] ? __pfx_generic_perform_write+0x10/0x10 [ 84.613598][ T5322] ? file_update_time_flags+0x26d/0x4a0 [ 84.613612][ T5322] ? __generic_file_write_iter+0xf9/0x230 [ 84.613625][ T5322] ? ocfs2_file_write_iter+0x163a/0x1ed0 [ 84.613639][ T5322] ocfs2_file_write_iter+0x1663/0x1ed0 [ 84.613650][ T5322] ? __kmalloc_noprof+0x35c/0x760 [ 84.613660][ T5322] ? iter_file_splice_write+0x1da/0x10f0 [ 84.613674][ T5322] ? direct_splice_actor+0x101/0x160 [ 84.613692][ T5322] ? __pfx_ocfs2_file_write_iter+0x10/0x10 [ 84.613710][ T5322] ? splice_from_pipe_next+0x61c/0x670 [ 84.613726][ T5322] ? __asan_memset+0x22/0x50 [ 84.613742][ T5322] iter_file_splice_write+0x9a1/0x10f0 [ 84.613763][ T5322] ? __pfx_iter_file_splice_write+0x10/0x10 [ 84.613781][ T5322] ? __pfx_iter_file_splice_write+0x10/0x10 [ 84.613794][ T5322] direct_splice_actor+0x101/0x160 [ 84.613810][ T5322] splice_direct_to_actor+0x53a/0xc70 [ 84.613825][ T5322] ? __pfx_direct_splice_actor+0x10/0x10 [ 84.613841][ T5322] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 84.613855][ T5322] ? ocfs2_remap_file_range+0x24a/0x6f0 [ 84.613867][ T5322] do_splice_direct+0x195/0x290 [ 84.613883][ T5322] ? __pfx_do_splice_direct+0x10/0x10 [ 84.613896][ T5322] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 84.613915][ T5322] vfs_copy_file_range+0xb02/0x1370 [ 84.613943][ T5322] ? __pfx_vfs_copy_file_range+0x10/0x10 [ 84.613962][ T5322] __se_sys_copy_file_range+0x2fb/0x480 [ 84.613980][ T5322] ? __pfx___se_sys_copy_file_range+0x10/0x10 [ 84.613995][ T5322] ? rcu_is_watching+0x15/0xb0 [ 84.614016][ T5322] ? __x64_sys_copy_file_range+0x21/0xf0 [ 84.614032][ T5322] do_syscall_64+0x14d/0xf80 [ 84.614047][ T5322] ? trace_irq_disable+0x3b/0x150 [ 84.614055][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.614063][ T5322] ? clear_bhb_loop+0x40/0x90 [ 84.614070][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.614079][ T5322] RIP: 0033:0x7f915939c819 [ 84.614090][ T5322] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 84.614100][ T5322] RSP: 002b:00007f91557f4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000146 [ 84.614113][ T5322] RAX: ffffffffffffffda RBX: 00007f9159615fa0 RCX: 00007f915939c819 [ 84.614122][ T5322] RDX: 0000000000000006 RSI: 00002000000001c0 RDI: 0000000000000007 [ 84.614129][ T5322] RBP: 00007f9159432c91 R08: ffffffffa003e45b R09: 0700000000000000 [ 84.614137][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 84.614143][ T5322] R13: 00007f9159616038 R14: 00007f9159615fa0 R15: 00007ffd910843b8 [ 84.614154][ T5322] [ 84.614158][ T5322] [ 84.782169][ T5322] The buggy address belongs to the physical page: [ 84.785375][ T5322] page: refcount:2 mapcount:0 mapping:ffff88801cc2e6c8 index:0x854 pfn:0x56cb9 [ 84.789208][ T5322] memcg:ffff88801c6c0d40 [ 84.791005][ T5322] aops:def_blk_aops ino:700000 dentry name(?):"" [ 84.794140][ T5322] flags: 0x4fff38000004224(referenced|lru|workingset|private|node=1|zone=1|lastcpupid=0x7ff) [ 84.798553][ T5322] raw: 04fff38000004224 ffffea0000daa148 ffff8880304509e0 ffff88801cc2e6c8 [ 84.802302][ T5322] raw: 0000000000000854 ffff888047a7f488 00000002ffffffff ffff88801c6c0d40 [ 84.805874][ T5322] page dumped because: kasan: bad access detected [ 84.808664][ T5322] page_owner tracks the page as allocated [ 84.811169][ T5322] page last allocated via order 0, migratetype Movable, gfp_mask 0x148c48(GFP_NOFS|__GFP_MOVABLE|__GFP_NOFAIL|__GFP_COMP|__GFP_HARDWALL), pid 5322, tgid 5321 (syz.0.0), ts 84481666302, free_ts 84442966008 [ 84.820010][ T5322] post_alloc_hook+0x231/0x280 [ 84.822345][ T5322] get_page_from_freelist+0x24dc/0x2580 [ 84.825094][ T5322] __alloc_frozen_pages_noprof+0x18d/0x380 [ 84.827707][ T5322] alloc_pages_mpol+0x232/0x4a0 [ 84.829800][ T5322] alloc_pages_noprof+0xa8/0x1a0 [ 84.831911][ T5322] folio_alloc_noprof+0x1e/0x30 [ 84.834148][ T5322] filemap_alloc_folio_noprof+0x111/0x470 [ 84.836801][ T5322] __filemap_get_folio_mpol+0x3fc/0xb00 [ 84.839653][ T5322] bdev_getblk+0x1f6/0x6e0 [ 84.841861][ T5322] ocfs2_read_blocks+0x57e/0x15e0 [ 84.843990][ T5322] ocfs2_read_inode_block+0xec/0x1d0 [ 84.846254][ T5322] ocfs2_inode_lock_full_nested+0x2ac/0x1bd0 [ 84.849419][ T5322] ocfs2_reflink_inodes_lock+0x477/0xc50 [ 84.852516][ T5322] ocfs2_remap_file_range+0x236/0x6f0 [ 84.854993][ T5322] vfs_copy_file_range+0xd80/0x1370 [ 84.857400][ T5322] __se_sys_copy_file_range+0x2fb/0x480 [ 84.859815][ T5322] page last free pid 5322 tgid 5321 stack trace: [ 84.862947][ T5322] free_unref_folios+0xed5/0x16d0 [ 84.865591][ T5322] folios_put_refs+0x789/0x8d0 [ 84.868190][ T5322] mapping_try_invalidate+0x3c2/0x4c0 [ 84.870466][ T5322] loop_set_status+0x29b/0xe40 [ 84.872507][ T5322] lo_ioctl+0xce6/0x1fb0 [ 84.874448][ T5322] blkdev_ioctl+0x5e3/0x740 [ 84.876587][ T5322] __se_sys_ioctl+0xfc/0x170 [ 84.878991][ T5322] do_syscall_64+0x14d/0xf80 [ 84.882326][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.885460][ T5322] [ 84.886659][ T5322] Memory state around the buggy address: [ 84.889345][ T5322] ffff888056cb9f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 84.892710][ T5322] ffff888056cb9f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 84.896051][ T5322] >ffff888056cba000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 84.900160][ T5322] ^ [ 84.902159][ T5322] ffff888056cba080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 84.906099][ T5322] ffff888056cba100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 84.909442][ T5322] ================================================================== [ 84.949397][ T5322] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 84.952760][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 84.956737][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 84.961142][ T5322] Call Trace: [ 84.962876][ T5322] [ 84.964429][ T5322] vpanic+0x56c/0xa60 [ 84.966862][ T5322] ? __pfx_vpanic+0x10/0x10 [ 84.968873][ T5322] panic+0xc5/0xd0 [ 84.970532][ T5322] ? __pfx_panic+0x10/0x10 [ 84.972607][ T5322] ? preempt_schedule_thunk+0x16/0x30 [ 84.975037][ T5322] ? ocfs2_write_end_nolock+0xbd9/0x18f0 [ 84.978040][ T5322] ? preempt_schedule_thunk+0x16/0x30 [ 84.980698][ T5322] ? ocfs2_write_end_nolock+0xbd9/0x18f0 [ 84.983177][ T5322] check_panic_on_warn+0x89/0xb0 [ 84.985289][ T5322] ? ocfs2_write_end_nolock+0xbd9/0x18f0 [ 84.987706][ T5322] end_report+0x73/0x180 [ 84.989705][ T5322] ? ocfs2_write_end_nolock+0xbd9/0x18f0 [ 84.992838][ T5322] kasan_report+0x128/0x150 [ 84.995128][ T5322] ? ocfs2_write_end_nolock+0xbd9/0x18f0 [ 84.997555][ T5322] kasan_check_range+0x264/0x2c0 [ 84.999963][ T5322] ? ocfs2_write_end_nolock+0xbd9/0x18f0 [ 85.002733][ T5322] __asan_memcpy+0x40/0x70 [ 85.005288][ T5322] ocfs2_write_end_nolock+0xbd9/0x18f0 [ 85.008745][ T5322] ? __pfx_ocfs2_write_end_nolock+0x10/0x10 [ 85.011933][ T5322] ? lockdep_hardirqs_on+0x7a/0x110 [ 85.014418][ T5322] ocfs2_write_end+0x58/0x90 [ 85.016459][ T5322] generic_perform_write+0x620/0x8f0 [ 85.018893][ T5322] ? __pfx_generic_perform_write+0x10/0x10 [ 85.022707][ T5322] ? file_update_time_flags+0x26d/0x4a0 [ 85.024989][ T5322] ? __generic_file_write_iter+0xf9/0x230 [ 85.027731][ T5322] ? ocfs2_file_write_iter+0x163a/0x1ed0 [ 85.031160][ T5322] ocfs2_file_write_iter+0x1663/0x1ed0 [ 85.033675][ T5322] ? __kmalloc_noprof+0x35c/0x760 [ 85.035920][ T5322] ? iter_file_splice_write+0x1da/0x10f0 [ 85.038750][ T5322] ? direct_splice_actor+0x101/0x160 [ 85.041427][ T5322] ? __pfx_ocfs2_file_write_iter+0x10/0x10 [ 85.044296][ T5322] ? splice_from_pipe_next+0x61c/0x670 [ 85.046906][ T5322] ? __asan_memset+0x22/0x50 [ 85.048954][ T5322] iter_file_splice_write+0x9a1/0x10f0 [ 85.051399][ T5322] ? __pfx_iter_file_splice_write+0x10/0x10 [ 85.054089][ T5322] ? __pfx_iter_file_splice_write+0x10/0x10 [ 85.057140][ T5322] direct_splice_actor+0x101/0x160 [ 85.059815][ T5322] splice_direct_to_actor+0x53a/0xc70 [ 85.063059][ T5322] ? __pfx_direct_splice_actor+0x10/0x10 [ 85.065995][ T5322] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 85.068208][ T5322] ? ocfs2_remap_file_range+0x24a/0x6f0 [ 85.070285][ T5322] do_splice_direct+0x195/0x290 [ 85.072324][ T5322] ? __pfx_do_splice_direct+0x10/0x10 [ 85.074518][ T5322] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 85.077457][ T5322] vfs_copy_file_range+0xb02/0x1370 [ 85.079840][ T5322] ? __pfx_vfs_copy_file_range+0x10/0x10 [ 85.082926][ T5322] __se_sys_copy_file_range+0x2fb/0x480 [ 85.085861][ T5322] ? __pfx___se_sys_copy_file_range+0x10/0x10 [ 85.088414][ T5322] ? rcu_is_watching+0x15/0xb0 [ 85.090391][ T5322] ? __x64_sys_copy_file_range+0x21/0xf0 [ 85.092678][ T5322] do_syscall_64+0x14d/0xf80 [ 85.094458][ T5322] ? trace_irq_disable+0x3b/0x150 [ 85.096645][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.099511][ T5322] ? clear_bhb_loop+0x40/0x90 [ 85.101787][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.104219][ T5322] RIP: 0033:0x7f915939c819 [ 85.106120][ T5322] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 85.114341][ T5322] RSP: 002b:00007f91557f4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000146 [ 85.118695][ T5322] RAX: ffffffffffffffda RBX: 00007f9159615fa0 RCX: 00007f915939c819 [ 85.122713][ T5322] RDX: 0000000000000006 RSI: 00002000000001c0 RDI: 0000000000000007 [ 85.126313][ T5322] RBP: 00007f9159432c91 R08: ffffffffa003e45b R09: 0700000000000000 [ 85.129368][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.132736][ T5322] R13: 00007f9159616038 R14: 00007f9159615fa0 R15: 00007ffd910843b8 [ 85.136016][ T5322] [ 85.138070][ T5322] Kernel Offset: disabled [ 85.140274][ T5322] Rebooting in 86400 seconds..