kobject: 'loop1' (0000000057925463): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000084845235): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004870ee8f): kobject_uevent_env ------------[ cut here ]------------ REISERFS warning (device loop0): sh-2021 reiserfs_fill_super: can not find reiserfs on loop0 kernel BUG at fs/reiserfs/lock.c:44! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9396 Comm: syz-executor.2 Not tainted 5.0.0-rc5+ #65 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop5' (000000004870ee8f): fill_kobj_path: path = '/devices/virtual/block/loop5' RIP: 0010:reiserfs_write_unlock+0xeb/0x110 fs/reiserfs/lock.c:44 Code: 5d c3 e8 d8 1d 89 ff 48 8d 7b 28 48 c7 83 a8 00 00 00 00 00 00 00 e8 b4 6d 1b 05 e8 bf 1d 89 ff 5b 41 5c 5d c3 e8 b5 1d 89 ff <0f> 0b e8 2e 1a c0 ff eb a1 e8 47 1a c0 ff e9 33 ff ff ff e8 3d 1a RSP: 0018:ffff88808da8fa10 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88808a894dc0 RCX: ffffc9000a235000 RDX: 0000000000040000 RSI: ffffffff81e6c2cb RDI: ffff88808a894e68 RBP: ffff88808da8fa20 R08: 0000000000000065 R09: ffff8880a646e8a0 kobject: 'loop1' (0000000057925463): kobject_uevent_env R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffea R13: ffff88808b0645c0 R14: ffff88808da8fbc0 R15: ffff88808a894dc0 FS: 00007f38b4516700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004cdd10 CR3: 0000000059d17000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'loop1' (0000000057925463): fill_kobj_path: path = '/devices/virtual/block/loop1' Call Trace: reiserfs_fill_super+0x2b51/0x2eb0 fs/reiserfs/super.c:2219 mount_bdev+0x307/0x3c0 fs/super.c:1159 get_super_block+0x35/0x40 fs/reiserfs/super.c:2605 mount_fs+0x106/0x3ff fs/super.c:1258 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:959 vfs_kern_mount fs/namespace.c:949 [inline] do_new_mount fs/namespace.c:2513 [inline] do_mount+0x581/0x2d30 fs/namespace.c:2847 ksys_mount+0xdb/0x150 fs/namespace.c:3063 __do_sys_mount fs/namespace.c:3077 [inline] __se_sys_mount fs/namespace.c:3074 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3074 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a8aa Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007f38b4515a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f38b4515b30 RCX: 000000000045a8aa RDX: 00007f38b4515ad0 RSI: 0000000020000200 RDI: 00007f38b4515af0 RBP: 0000000020000200 R08: 00007f38b4515b30 R09: 00007f38b4515ad0 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 R13: 0000000000000000 R14: 00000000004dbc38 R15: 0000000000000003 Modules linked in: REISERFS warning (device loop3): super-6505 reiserfs_getopt: head of option "jdev" is only correct ---[ end trace 45b1402c96f843b7 ]--- RIP: 0010:reiserfs_write_unlock+0xeb/0x110 fs/reiserfs/lock.c:44 kobject: 'loop0' (000000005a412b2b): kobject_uevent_env Code: 5d c3 e8 d8 1d 89 ff 48 8d 7b 28 48 c7 83 a8 00 00 00 00 00 00 00 e8 b4 6d 1b 05 e8 bf 1d 89 ff 5b 41 5c 5d c3 e8 b5 1d 89 ff <0f> 0b e8 2e 1a c0 ff eb a1 e8 47 1a c0 ff e9 33 ff ff ff e8 3d 1a kobject: 'loop0' (000000005a412b2b): fill_kobj_path: path = '/devices/virtual/block/loop0' RSP: 0018:ffff88808da8fa10 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88808a894dc0 RCX: ffffc9000a235000 RDX: 0000000000040000 RSI: ffffffff81e6c2cb RDI: ffff88808a894e68 RBP: ffff88808da8fa20 R08: 0000000000000065 R09: ffff8880a646e8a0 R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffea R13: ffff88808b0645c0 R14: ffff88808da8fbc0 R15: ffff88808a894dc0 kobject: 'loop2' (00000000b3788760): kobject_uevent_env FS: 00007f38b4516700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 kobject: 'loop2' (00000000b3788760): fill_kobj_path: path = '/devices/virtual/block/loop2' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop0' (000000005a412b2b): kobject_uevent_env CR2: 0000001b30521000 CR3: 0000000059d17000 CR4: 00000000001426f0 kobject: 'loop0' (000000005a412b2b): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (0000000084845235): kobject_uevent_env DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'loop3' (0000000084845235): fill_kobj_path: path = '/devices/virtual/block/loop3' DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'loop4' (000000009bbd6f60): kobject_uevent_env