IPVS: Scheduler module ip_vs_ blcr not found IPVS: Scheduler module ip_vs_ blcr not found ====================================================== WARNING: possible circular locking dependency detected 4.14.154 #0 Not tainted ------------------------------------------------------ syz-executor.3/24923 is trying to acquire lock: (&sig->cred_guard_mutex){+.+.}, at: [] proc_pid_attr_write+0x163/0x290 fs/proc/base.c:2585 but task is already holding lock: kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env (&pipe->mutex/1){+.+.}, at: [] pipe_lock_nested fs/pipe.c:67 [inline] (&pipe->mutex/1){+.+.}, at: [] pipe_lock+0x63/0x80 fs/pipe.c:75 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' -> #3 (&pipe->mutex/1){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 pipe_lock_nested fs/pipe.c:67 [inline] pipe_lock+0x63/0x80 fs/pipe.c:75 iter_file_splice_write+0x15e/0xad0 fs/splice.c:699 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0xd92/0x1430 fs/splice.c:1382 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #2 (sb_writers#4){.+.+}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 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+0x1ae/0x2f0 fs/super.c:1363 sb_start_write include/linux/fs.h:1548 [inline] mnt_want_write+0x3f/0xb0 fs/namespace.c:386 ovl_want_write+0x76/0xa0 fs/overlayfs/util.c:25 ovl_create_object+0x79/0x1e0 fs/overlayfs/dir.c:538 ovl_create+0x28/0x30 fs/overlayfs/dir.c:563 lookup_open+0x11a6/0x1860 fs/namei.c:3240 do_last fs/namei.c:3331 [inline] path_openat+0xfca/0x3f70 fs/namei.c:3566 do_filp_open+0x18e/0x250 fs/namei.c:3600 do_sys_open+0x2c5/0x430 fs/open.c:1084 SYSC_open fs/open.c:1102 [inline] SyS_open fs/open.c:1097 [inline] SYSC_creat fs/open.c:1142 [inline] SyS_creat+0x27/0x30 fs/open.c:1140 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #1 (&ovl_i_mutex_dir_key[depth]){++++}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 down_read+0x3b/0xb0 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:728 [inline] lookup_slow+0x138/0x440 fs/namei.c:1673 walk_component+0x698/0x1d00 fs/namei.c:1824 link_path_walk+0x81f/0x10a0 fs/namei.c:2153 path_openat+0x189/0x3f70 fs/namei.c:3565 do_filp_open+0x18e/0x250 fs/namei.c:3600 do_open_execat+0xe7/0x4a0 fs/exec.c:849 do_execveat_common.isra.0+0x6d5/0x1dd0 fs/exec.c:1740 do_execve fs/exec.c:1847 [inline] SYSC_execve fs/exec.c:1928 [inline] SyS_execve+0x39/0x50 fs/exec.c:1923 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #0 (&sig->cred_guard_mutex){+.+.}: check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_interruptible_nested+0x16/0x20 kernel/locking/mutex.c:930 proc_pid_attr_write+0x163/0x290 fs/proc/base.c:2585 __vfs_write+0x105/0x6b0 fs/read_write.c:480 __kernel_write+0xfc/0x370 fs/read_write.c:501 write_pipe_buf+0x148/0x1c0 fs/splice.c:797 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x348/0x780 fs/splice.c:626 splice_from_pipe+0xf0/0x150 fs/splice.c:661 default_file_splice_write+0x3c/0x80 fs/splice.c:809 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0xd92/0x1430 fs/splice.c:1382 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 other info that might help us debug this: Chain exists of: &sig->cred_guard_mutex --> sb_writers#4 --> &pipe->mutex/1 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&pipe->mutex/1); lock(sb_writers#4); lock(&pipe->mutex/1); lock(&sig->cred_guard_mutex); *** DEADLOCK *** 2 locks held by syz-executor.3/24923: #0: (sb_writers#7){.+.+}, at: [] file_start_write include/linux/fs.h:2707 [inline] #0: (sb_writers#7){.+.+}, at: [] do_splice fs/splice.c:1146 [inline] #0: (sb_writers#7){.+.+}, at: [] SYSC_splice fs/splice.c:1402 [inline] #0: (sb_writers#7){.+.+}, at: [] SyS_splice+0xf3a/0x1430 fs/splice.c:1382 #1: (&pipe->mutex/1){+.+.}, at: [] pipe_lock_nested fs/pipe.c:67 [inline] #1: (&pipe->mutex/1){+.+.}, at: [] pipe_lock+0x63/0x80 fs/pipe.c:75 stack backtrace: CPU: 0 PID: 24923 Comm: syz-executor.3 Not tainted 4.14.154 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_interruptible_nested+0x16/0x20 kernel/locking/mutex.c:930 proc_pid_attr_write+0x163/0x290 fs/proc/base.c:2585 __vfs_write+0x105/0x6b0 fs/read_write.c:480 __kernel_write+0xfc/0x370 fs/read_write.c:501 write_pipe_buf+0x148/0x1c0 fs/splice.c:797 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x348/0x780 fs/splice.c:626 splice_from_pipe+0xf0/0x150 fs/splice.c:661 default_file_splice_write+0x3c/0x80 fs/splice.c:809 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0xd92/0x1430 fs/splice.c:1382 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a669 RSP: 002b:00007f2f46c29c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045a669 RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000100000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2f46c2a6d4 R13: 00000000004ca611 R14: 00000000004e17d0 R15: 00000000ffffffff overlayfs: './file0' not a directory netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1326 audit(2000000002.810:188): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=24944 comm="syz-executor.0" exe="/root/syz-executor.0" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45d4aa code=0x0 kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free_clusters: deleting FAT entry beyond EOF overlayfs: unrecognized mount option "uppeģ" or missing value overlayfs: unrecognized mount option "uppeģ" or missing value kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aad260): kobject_uevent_env kobject: 'loop3' (ffff8880a4aad260): fill_kobj_path: path = '/devices/virtual/block/loop3' FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free: invalid cluster chain (i_pos 17) kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) audit: type=1326 audit(2000000003.590:189): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=24944 comm="syz-executor.0" exe="/root/syz-executor.0" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45d4aa code=0x0 FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free: invalid cluster chain (i_pos 17) kobject: 'loop3' (ffff8880a4aad260): kobject_uevent_env kobject: 'loop3' (ffff8880a4aad260): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1326 audit(2000000003.740:190): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=25010 comm="syz-executor.3" exe="/root/syz-executor.3" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45d4aa code=0x0 kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free_clusters: deleting FAT entry beyond EOF kobject: 'loop3' (ffff8880a4aad260): kobject_uevent_env kobject: 'loop3' (ffff8880a4aad260): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1326 audit(2000000004.560:191): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=25053 comm="syz-executor.3" exe="/root/syz-executor.3" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45d4aa code=0x0 kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free_clusters: deleting FAT entry beyond EOF kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' IPVS: set_ctl: invalid protocol: 0 255.255.255.255:20001 IPVS: set_ctl: invalid protocol: 0 255.255.255.255:20001 FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free: invalid cluster chain (i_pos 17) kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aad260): kobject_uevent_env kobject: 'loop3' (ffff8880a4aad260): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1326 audit(2000000005.370:192): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=25099 comm="syz-executor.3" exe="/root/syz-executor.3" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45d4aa code=0x0 kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free: invalid cluster chain (i_pos 17) kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aad260): kobject_uevent_env kobject: 'loop3' (ffff8880a4aad260): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1326 audit(2000000006.250:193): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=25139 comm="syz-executor.3" exe="/root/syz-executor.3" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45d4aa code=0x0 kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free_clusters: deleting FAT entry beyond EOF kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aad260): kobject_uevent_env kobject: 'loop3' (ffff8880a4aad260): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1326 audit(2000000007.070:194): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=25178 comm="syz-executor.3" exe="/root/syz-executor.3" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45d4aa code=0x0 kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' IPVS: set_ctl: invalid protocol: 43 127.0.0.1:20002 kobject: 'loop3' (ffff8880a4aad260): kobject_uevent_env kobject: 'loop3' (ffff8880a4aad260): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1326 audit(2000000008.090:195): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=25222 comm="syz-executor.3" exe="/root/syz-executor.3" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45d4aa code=0x0 kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free_clusters: deleting FAT entry beyond EOF kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aad260): kobject_uevent_env kobject: 'loop3' (ffff8880a4aad260): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1326 audit(2000000008.940:196): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=25270 comm="syz-executor.3" exe="/root/syz-executor.3" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45d4aa code=0x0 kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free: invalid cluster chain (i_pos 17) kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aad260): kobject_uevent_env kobject: 'loop3' (ffff8880a4aad260): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1326 audit(2000000009.770:197): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=25302 comm="syz-executor.3" exe="/root/syz-executor.3" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45d4aa code=0x0 kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free: invalid cluster chain (i_pos 17) kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free_clusters: deleting FAT entry beyond EOF kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aad260): kobject_uevent_env kobject: 'loop3' (ffff8880a4aad260): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1326 audit(2000000010.590:198): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=25343 comm="syz-executor.3" exe="/root/syz-executor.3" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45d4aa code=0x0 kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free_clusters: deleting FAT entry beyond EOF kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free: invalid cluster chain (i_pos 17) kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aad260): kobject_uevent_env kobject: 'loop3' (ffff8880a4aad260): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1326 audit(2000000011.440:199): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=25384 comm="syz-executor.3" exe="/root/syz-executor.3" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45d4aa code=0x0 kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free: invalid cluster chain (i_pos 17) audit: type=1326 audit(2000000011.620:200): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=25400 comm="syz-executor.0" exe="/root/syz-executor.0" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45d4aa code=0x0 kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2' FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 17) FAT-fs (loop2): Filesystem has been set read-only FAT-fs (loop2): error, fat_free: invalid cluster chain (i_pos 17) kobject: 'loop2' (ffff8880a0afa120): kobject_uevent_env kobject: 'loop2' (ffff8880a0afa120): fill_kobj_path: path = '/devices/virtual/block/loop2'