loop0: detected capacity change from 0 to 32768 (syz.0.0,5328,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. (syz.0.0,5328,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. loop0: detected capacity change from 32768 to 32767 (syz.0.0,5328,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0x0, computed 0xb88e92ae. Applying ECC. (syz.0.0,5328,0):ocfs2_block_check_validate:416 ERROR: Fixed CRC32 failed: stored: 0x0, computed 0xb88e92ae (syz.0.0,5328,0):ocfs2_validate_inode_block:1441 ERROR: Checksum failed for dinode 17 (syz.0.0,5328,0):ocfs2_find_entry_id:420 ERROR: status = -5 VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)): inode:ffff88801194b338 fs:ocfs2 mode:100000 opflags:0x2 flags:0x20 state:0x0 count:2 ------------[ cut here ]------------ kernel BUG at fs/namei.c:682! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:lookup_inode_permission_may_exec fs/namei.c:682 [inline] RIP: 0010:may_lookup fs/namei.c:1958 [inline] RIP: 0010:link_path_walk+0x18cb/0x18d0 fs/namei.c:2601 Code: e8 8a 72 03 00 90 0f 0b e8 02 ea 7c ff 44 89 fd e9 6a fd ff ff e8 f5 e9 7c ff 48 89 ef 48 c7 c6 00 16 de 8b e8 66 72 03 00 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 RSP: 0018:ffffc9000de67680 EFLAGS: 00010246 RAX: f8d2363f48562e00 RBX: ffffc9000de678b8 RCX: f8d2363f48562e00 RDX: ffffc9000ec1a000 RSI: 0000000000000871 RDI: 0000000000000872 RBP: ffff88801194b338 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cbd628 R12: 0000000000008000 R13: ffffc9000de67880 R14: 0000000000008000 R15: ffff888042fd6a18 FS: 00007fd73daa56c0(0000) GS:ffff88808ca49000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffce4974f80 CR3: 000000001cdab000 CR4: 0000000000352ef0 Call Trace: path_lookupat+0xe4/0x8c0 fs/namei.c:2809 filename_lookup+0x256/0x5d0 fs/namei.c:2839 kern_path+0x3d/0x150 fs/namei.c:3046 lookup_bdev+0xc8/0x290 block/bdev.c:1221 resume_store+0x16f/0x4f0 kernel/power/hibernate.c:1306 kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x61d/0xb90 fs/read_write.c:688 ksys_write+0x150/0x270 fs/read_write.c:740 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd73cb9c819 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 RSP: 002b:00007fd73daa4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fd73ce15fa0 RCX: 00007fd73cb9c819 RDX: 0000000000000012 RSI: 0000200000000040 RDI: 0000000000000005 RBP: 00007fd73cc32c91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd73ce16038 R14: 00007fd73ce15fa0 R15: 00007ffce4975438 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:lookup_inode_permission_may_exec fs/namei.c:682 [inline] RIP: 0010:may_lookup fs/namei.c:1958 [inline] RIP: 0010:link_path_walk+0x18cb/0x18d0 fs/namei.c:2601 Code: e8 8a 72 03 00 90 0f 0b e8 02 ea 7c ff 44 89 fd e9 6a fd ff ff e8 f5 e9 7c ff 48 89 ef 48 c7 c6 00 16 de 8b e8 66 72 03 00 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 RSP: 0018:ffffc9000de67680 EFLAGS: 00010246 RAX: f8d2363f48562e00 RBX: ffffc9000de678b8 RCX: f8d2363f48562e00 RDX: ffffc9000ec1a000 RSI: 0000000000000871 RDI: 0000000000000872 RBP: ffff88801194b338 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cbd628 R12: 0000000000008000 R13: ffffc9000de67880 R14: 0000000000008000 R15: ffff888042fd6a18 FS: 00007fd73daa56c0(0000) GS:ffff88808ca49000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffce4974f80 CR3: 000000001cdab000 CR4: 0000000000352ef0