net_ratelimit: 18 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 ====================================================== WARNING: possible circular locking dependency detected 4.19.91-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.5/17279 is trying to acquire lock: 00000000da774a2b (&sig->cred_guard_mutex){+.+.}, at: do_io_accounting+0x1f4/0x830 fs/proc/base.c:2738 but task is already holding lock: 00000000490a1d2b (&p->lock){+.+.}, at: seq_read+0x71/0x1110 fs/seq_file.c:161 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&p->lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 seq_read+0x71/0x1110 fs/seq_file.c:161 do_loop_readv_writev fs/read_write.c:701 [inline] do_loop_readv_writev fs/read_write.c:688 [inline] do_iter_read+0x490/0x640 fs/read_write.c:925 vfs_readv+0xf0/0x160 fs/read_write.c:987 kernel_readv fs/splice.c:362 [inline] default_file_splice_read+0x478/0x970 fs/splice.c:417 do_splice_to+0x127/0x180 fs/splice.c:881 splice_direct_to_actor+0x2d3/0x970 fs/splice.c:959 do_splice_direct+0x1da/0x2a0 fs/splice.c:1068 do_sendfile+0x597/0xce0 fs/read_write.c:1447 __do_sys_sendfile64 fs/read_write.c:1508 [inline] __se_sys_sendfile64 fs/read_write.c:1494 [inline] __x64_sys_sendfile64+0x1dd/0x220 fs/read_write.c:1494 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #2 (sb_writers#4){.+.+}: percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x208/0x360 fs/super.c:1387 sb_start_write include/linux/fs.h:1578 [inline] mnt_want_write+0x3f/0xc0 fs/namespace.c:360 ovl_want_write+0x76/0xa0 fs/overlayfs/util.c:24 ovl_create_object+0xb3/0x2c0 fs/overlayfs/dir.c:600 ovl_create+0x28/0x30 fs/overlayfs/dir.c:631 lookup_open+0x12be/0x1ad0 fs/namei.c:3234 do_last fs/namei.c:3324 [inline] path_openat+0x149a/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_open fs/open.c:1106 [inline] __se_sys_open fs/open.c:1101 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1101 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (&ovl_i_mutex_dir_key[depth]){++++}: down_read+0x3b/0xb0 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:757 [inline] do_last fs/namei.c:3323 [inline] path_openat+0x1e59/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_open_execat+0x140/0x660 fs/exec.c:853 __do_execve_file.isra.0+0x15a4/0x2150 fs/exec.c:1755 do_execveat_common fs/exec.c:1866 [inline] do_execve fs/exec.c:1883 [inline] __do_sys_execve fs/exec.c:1964 [inline] __se_sys_execve fs/exec.c:1959 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:1959 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&sig->cred_guard_mutex){+.+.}: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102 do_io_accounting+0x1f4/0x830 fs/proc/base.c:2738 proc_tgid_io_accounting+0x23/0x30 fs/proc/base.c:2787 proc_single_show+0xf0/0x180 fs/proc/base.c:755 seq_read+0x4ca/0x1110 fs/seq_file.c:229 do_loop_readv_writev fs/read_write.c:701 [inline] do_loop_readv_writev fs/read_write.c:688 [inline] do_iter_read+0x490/0x640 fs/read_write.c:925 vfs_readv+0xf0/0x160 fs/read_write.c:987 kernel_readv fs/splice.c:362 [inline] default_file_splice_read+0x478/0x970 fs/splice.c:417 do_splice_to+0x127/0x180 fs/splice.c:881 splice_direct_to_actor+0x2d3/0x970 fs/splice.c:959 do_splice_direct+0x1da/0x2a0 fs/splice.c:1068 do_sendfile+0x597/0xce0 fs/read_write.c:1447 __do_sys_sendfile64 fs/read_write.c:1508 [inline] __se_sys_sendfile64 fs/read_write.c:1494 [inline] __x64_sys_sendfile64+0x1dd/0x220 fs/read_write.c:1494 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: &sig->cred_guard_mutex --> sb_writers#4 --> &p->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&p->lock); lock(sb_writers#4); lock(&p->lock); lock(&sig->cred_guard_mutex); *** DEADLOCK *** 1 lock held by syz-executor.5/17279: #0: 00000000490a1d2b (&p->lock){+.+.}, at: seq_read+0x71/0x1110 fs/seq_file.c:161 stack backtrace: CPU: 0 PID: 17279 Comm: syz-executor.5 Not tainted 4.19.91-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1221 check_prev_add kernel/locking/lockdep.c:1861 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x2e19/0x49c0 kernel/locking/lockdep.c:3411 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102 do_io_accounting+0x1f4/0x830 fs/proc/base.c:2738 proc_tgid_io_accounting+0x23/0x30 fs/proc/base.c:2787 proc_single_show+0xf0/0x180 fs/proc/base.c:755 seq_read+0x4ca/0x1110 fs/seq_file.c:229 do_loop_readv_writev fs/read_write.c:701 [inline] do_loop_readv_writev fs/read_write.c:688 [inline] do_iter_read+0x490/0x640 fs/read_write.c:925 vfs_readv+0xf0/0x160 fs/read_write.c:987 kernel_readv fs/splice.c:362 [inline] default_file_splice_read+0x478/0x970 fs/splice.c:417 do_splice_to+0x127/0x180 fs/splice.c:881 splice_direct_to_actor+0x2d3/0x970 fs/splice.c:959 do_splice_direct+0x1da/0x2a0 fs/splice.c:1068 do_sendfile+0x597/0xce0 fs/read_write.c:1447 __do_sys_sendfile64 fs/read_write.c:1508 [inline] __se_sys_sendfile64 fs/read_write.c:1494 [inline] __x64_sys_sendfile64+0x1dd/0x220 fs/read_write.c:1494 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a919 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ff7df963c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045a919 RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 00001000000000e3 R11: 0000000000000246 R12: 00007ff7df9646d4 R13: 00000000004c925e R14: 00000000004e0f88 R15: 00000000ffffffff protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=14962 sclass=netlink_route_socket pig=17279 comm=syz-executor.5 kobject: 'loop1' (000000007f1b1821): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF FAT-fs (loop1): Filesystem has been set read-only kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF FAT-fs (loop1): Filesystem has been set read-only kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000000c661664): kobject_uevent_env FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' FAT-fs (loop1): Filesystem has been set read-only protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF FAT-fs (loop1): Filesystem has been set read-only kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' print_req_error: 22 callbacks suppressed print_req_error: I/O error, dev loop8, sector 0 kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' f2fs_msg: 22 callbacks suppressed F2FS-fs (loop8): Unable to read 1th superblock print_req_error: I/O error, dev loop8, sector 8 F2FS-fs (loop8): Unable to read 2th superblock kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' print_req_error: I/O error, dev loop8, sector 0 F2FS-fs (loop8): Unable to read 1th superblock print_req_error: I/O error, dev loop8, sector 8 F2FS-fs (loop8): Unable to read 2th superblock kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' print_req_error: I/O error, dev loop8, sector 0 F2FS-fs (loop8): Unable to read 1th superblock kobject: 'loop4' (000000000c661664): kobject_uevent_env FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' FAT-fs (loop1): Filesystem has been set read-only print_req_error: I/O error, dev loop8, sector 8 kobject: 'loop5' (00000000b668b03f): kobject_uevent_env F2FS-fs (loop8): Unable to read 2th superblock kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' print_req_error: I/O error, dev loop8, sector 0 F2FS-fs (loop8): Unable to read 1th superblock kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' print_req_error: I/O error, dev loop8, sector 8 F2FS-fs (loop8): Unable to read 2th superblock kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF FAT-fs (loop1): Filesystem has been set read-only kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF netlink: 'syz-executor.5': attribute type 39 has an invalid length. FAT-fs (loop1): Filesystem has been set read-only kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'bridge1' (00000000736c73f5): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'bridge1' (00000000736c73f5): kobject_uevent_env kobject: 'bridge1' (00000000736c73f5): fill_kobj_path: path = '/devices/virtual/net/bridge1' kobject: 'queues' (00000000265f1677): kobject_add_internal: parent: 'bridge1', set: '' kobject: 'queues' (00000000265f1677): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (00000000265f1677): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (0000000027bf8df6): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (0000000027bf8df6): kobject_uevent_env kobject: 'rx-0' (0000000027bf8df6): fill_kobj_path: path = '/devices/virtual/net/bridge1/queues/rx-0' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'tx-0' (000000004395ad13): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (000000004395ad13): kobject_uevent_env kobject: 'tx-0' (000000004395ad13): fill_kobj_path: path = '/devices/virtual/net/bridge1/queues/tx-0' kobject: 'brif' (000000005719703f): kobject_add_internal: parent: 'bridge1', set: '' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'batman_adv' (00000000fbfa99c7): kobject_add_internal: parent: 'bridge1', set: '' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 'syz-executor.5': attribute type 39 has an invalid length. kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'bridge2' (00000000b3917f8e): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop4' (000000000c661664): kobject_uevent_env FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'bridge2' (00000000b3917f8e): kobject_uevent_env FAT-fs (loop1): Filesystem has been set read-only kobject: 'bridge2' (00000000b3917f8e): fill_kobj_path: path = '/devices/virtual/net/bridge2' kobject: 'queues' (000000004c324cf0): kobject_add_internal: parent: 'bridge2', set: '' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues' (000000004c324cf0): kobject_uevent_env kobject: 'queues' (000000004c324cf0): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'rx-0' (000000003618a558): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (000000003618a558): kobject_uevent_env kobject: 'rx-0' (000000003618a558): fill_kobj_path: path = '/devices/virtual/net/bridge2/queues/rx-0' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (000000009dbc657a): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000009dbc657a): kobject_uevent_env kobject: 'tx-0' (000000009dbc657a): fill_kobj_path: path = '/devices/virtual/net/bridge2/queues/tx-0' kobject: 'brif' (00000000b4d2dfd1): kobject_add_internal: parent: 'bridge2', set: '' FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' FAT-fs (loop1): Filesystem has been set read-only kobject: 'batman_adv' (00000000cc38165d): kobject_add_internal: parent: 'bridge2', set: '' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' net_ratelimit: 12 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (00000000b668b03f): kobject_uevent_env FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF FAT-fs (loop1): Filesystem has been set read-only kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF FAT-fs (loop1): Filesystem has been set read-only netlink: 'syz-executor.5': attribute type 39 has an invalid length. kobject: 'bridge3' (00000000d2fb76cc): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'bridge3' (00000000d2fb76cc): kobject_uevent_env kobject: 'bridge3' (00000000d2fb76cc): fill_kobj_path: path = '/devices/virtual/net/bridge3' kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues' (00000000bb7f0f1f): kobject_add_internal: parent: 'bridge3', set: '' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'queues' (00000000bb7f0f1f): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues' (00000000bb7f0f1f): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000d7310b81): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000d7310b81): kobject_uevent_env kobject: 'rx-0' (00000000d7310b81): fill_kobj_path: path = '/devices/virtual/net/bridge3/queues/rx-0' kobject: 'tx-0' (000000004c7e2673): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000004c7e2673): kobject_uevent_env kobject: 'tx-0' (000000004c7e2673): fill_kobj_path: path = '/devices/virtual/net/bridge3/queues/tx-0' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'brif' (00000000069e06f2): kobject_add_internal: parent: 'bridge3', set: '' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'batman_adv' (000000006c68d2d1): kobject_add_internal: parent: 'bridge3', set: '' kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' print_req_error: I/O error, dev loop8, sector 0 F2FS-fs (loop8): Unable to read 1th superblock protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 print_req_error: I/O error, dev loop8, sector 8 F2FS-fs (loop8): Unable to read 2th superblock kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env print_req_error: 22 callbacks suppressed print_req_error: I/O error, dev loop8, sector 0 f2fs_msg: 22 callbacks suppressed F2FS-fs (loop8): Unable to read 1th superblock print_req_error: I/O error, dev loop8, sector 8 F2FS-fs (loop8): Unable to read 2th superblock kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' print_req_error: I/O error, dev loop8, sector 0 F2FS-fs (loop8): Unable to read 1th superblock print_req_error: I/O error, dev loop10, sector 0 F2FS-fs (loop10): Unable to read 1th superblock kobject: 'loop5' (00000000b668b03f): kobject_uevent_env print_req_error: I/O error, dev loop8, sector 8 print_req_error: I/O error, dev loop10, sector 8 F2FS-fs (loop8): Unable to read 2th superblock F2FS-fs (loop10): Unable to read 2th superblock print_req_error: I/O error, dev loop10, sector 0 F2FS-fs (loop10): Unable to read 1th superblock FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' print_req_error: I/O error, dev loop10, sector 8 F2FS-fs (loop10): Unable to read 2th superblock FAT-fs (loop1): Filesystem has been set read-only kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env print_req_error: I/O error, dev loop8, sector 0 kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' F2FS-fs (loop8): Unable to read 1th superblock print_req_error: I/O error, dev loop8, sector 8 F2FS-fs (loop10): Unable to read 1th superblock kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env FAT-fs (loop1): error, fat_free_clusters: deleting FAT entry beyond EOF FAT-fs (loop1): Filesystem has been set read-only kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' FAT-fs (loop1): bogus number of reserved sectors FAT-fs (loop1): Can't find a valid FAT filesystem kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' FAT-fs (loop1): bogus number of reserved sectors FAT-fs (loop1): Can't find a valid FAT filesystem kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000007f1b1821): kobject_uevent_env kobject: 'loop1' (000000007f1b1821): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000c661664): kobject_uevent_env kobject: 'loop4' (000000000c661664): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000b668b03f): kobject_uevent_env kobject: 'loop5' (00000000b668b03f): fill_kobj_path: path = '/devices/virtual/block/loop5' net_ratelimit: 16 callbacks suppressed