print_req_error: I/O error, dev loop3, sector 64 audit: type=1400 audit(1566451021.822:37): avc: denied { map } for pid=7605 comm="sh" path="/bin/dash" dev="sda1" ino=1473 scontext=system_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 INFO: task syz-executor010:7538 blocked for more than 140 seconds. Not tainted 4.19.67 #41 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor010 D29448 7538 7532 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3474 schedule+0x92/0x1c0 kernel/sched/core.c:3518 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3576 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mount_bdev+0x93/0x3c0 fs/super.c:1125 udf_mount+0x35/0x40 fs/udf/super.c:131 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44aa29 Code: 6e 51 75 65 75 65 44 69 73 63 61 72 64 4d 61 72 6b 22 2c 20 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 6e <6e> 69 6e 67 20 77 69 74 68 20 64 65 66 61 75 6c 74 20 73 65 74 74 RSP: 002b:00007f90742c4ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044aa29 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 00000000200001c0 RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c R13: 00007ffed473a76f R14: 00007f90742c59c0 R15: 0000000000000000 INFO: task syz-executor010:7578 blocked for more than 140 seconds. Not tainted 4.19.67 #41 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor010 D29448 7578 7532 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3474 schedule+0x92/0x1c0 kernel/sched/core.c:3518 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3576 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mount_bdev+0x93/0x3c0 fs/super.c:1125 udf_mount+0x35/0x40 fs/udf/super.c:131 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44aa29 Code: 6e 51 75 65 75 65 44 69 73 63 61 72 64 4d 61 72 6b 22 2c 20 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 6e <6e> 69 6e 67 20 77 69 74 68 20 64 65 66 61 75 6c 74 20 73 65 74 74 RSP: 002b:00007f9074282ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00000000006dbc48 RCX: 000000000044aa29 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 00000000200001c0 RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc4c R13: 00007ffed473a76f R14: 00007f90742839c0 R15: 0000000000000001 INFO: task syz-executor010:7576 blocked for more than 140 seconds. Not tainted 4.19.67 #41 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor010 D28840 7576 7534 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3474 schedule+0x92/0x1c0 kernel/sched/core.c:3518 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3576 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mount_bdev+0x93/0x3c0 fs/super.c:1125 udf_mount+0x35/0x40 fs/udf/super.c:131 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44aa29 Code: 6e 51 75 65 75 65 44 69 73 63 61 72 64 4d 61 72 6b 22 2c 20 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 6e <6e> 69 6e 67 20 77 69 74 68 20 64 65 66 61 75 6c 74 20 73 65 74 74 RSP: 002b:00007f9074282ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00000000006dbc48 RCX: 000000000044aa29 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 00000000200001c0 RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc4c R13: 00007ffed473a76f R14: 00007f90742839c0 R15: 0000000000000001 INFO: task syz-executor010:7540 blocked for more than 140 seconds. Not tainted 4.19.67 #41 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor010 D28888 7540 7530 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3474 schedule+0x92/0x1c0 kernel/sched/core.c:3518 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:589 [inline] rwsem_down_write_failed+0x774/0xc30 kernel/locking/rwsem-xadd.c:618 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x53/0x90 kernel/locking/rwsem.c:72 grab_super+0xaf/0x2c0 fs/super.c:383 sget_userns+0x357/0xd30 fs/super.c:511 sget+0x10c/0x150 fs/super.c:570 mount_bdev+0xff/0x3c0 fs/super.c:1131 udf_mount+0x35/0x40 fs/udf/super.c:131 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44aa29 Code: 6e 51 75 65 75 65 44 69 73 63 61 72 64 4d 61 72 6b 22 2c 20 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 6e <6e> 69 6e 67 20 77 69 74 68 20 64 65 66 61 75 6c 74 20 73 65 74 74 RSP: 002b:00007f90742c4ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044aa29 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 00000000200001c0 RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c R13: 00007ffed473a76f R14: 00007f90742c59c0 R15: 0000000000000000 INFO: task syz-executor010:7577 blocked for more than 140 seconds. Not tainted 4.19.67 #41 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor010 D29448 7577 7530 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3474 schedule+0x92/0x1c0 kernel/sched/core.c:3518 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3576 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mount_bdev+0x93/0x3c0 fs/super.c:1125 udf_mount+0x35/0x40 fs/udf/super.c:131 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44aa29 Code: 6e 51 75 65 75 65 44 69 73 63 61 72 64 4d 61 72 6b 22 2c 20 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 6e <6e> 69 6e 67 20 77 69 74 68 20 64 65 66 61 75 6c 74 20 73 65 74 74 RSP: 002b:00007f9074282ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00000000006dbc48 RCX: 000000000044aa29 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 00000000200001c0 RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc4c R13: 00007ffed473a76f R14: 00007f90742839c0 R15: 0000000000000001 INFO: task syz-executor010:7545 blocked for more than 140 seconds. Not tainted 4.19.67 #41 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor010 D29448 7545 7533 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3474 schedule+0x92/0x1c0 kernel/sched/core.c:3518 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3576 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mount_bdev+0x93/0x3c0 fs/super.c:1125 udf_mount+0x35/0x40 fs/udf/super.c:131 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44aa29 Code: 6e 51 75 65 75 65 44 69 73 63 61 72 64 4d 61 72 6b 22 2c 20 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 6e <6e> 69 6e 67 20 77 69 74 68 20 64 65 66 61 75 6c 74 20 73 65 74 74 RSP: 002b:00007f90742c4ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044aa29 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 00000000200001c0 RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c R13: 00007ffed473a76f R14: 00007f90742c59c0 R15: 0000000000000000 INFO: task syz-executor010:7584 blocked for more than 140 seconds. Not tainted 4.19.67 #41 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor010 D28840 7584 7533 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3474 schedule+0x92/0x1c0 kernel/sched/core.c:3518 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3576 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mount_bdev+0x93/0x3c0 fs/super.c:1125 udf_mount+0x35/0x40 fs/udf/super.c:131 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44aa29 Code: 6e 51 75 65 75 65 44 69 73 63 61 72 64 4d 61 72 6b 22 2c 20 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 6e <6e> 69 6e 67 20 77 69 74 68 20 64 65 66 61 75 6c 74 20 73 65 74 74 RSP: 002b:00007f9074261ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00000000006dbc58 RCX: 000000000044aa29 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 00000000200001c0 RBP: 00000000006dbc50 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc5c R13: 00007ffed473a76f R14: 00007f90742629c0 R15: 0000000000000001 INFO: task syz-executor010:7546 blocked for more than 140 seconds. Not tainted 4.19.67 #41 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor010 D29448 7546 7531 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3474 schedule+0x92/0x1c0 kernel/sched/core.c:3518 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3576 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mount_bdev+0x93/0x3c0 fs/super.c:1125 udf_mount+0x35/0x40 fs/udf/super.c:131 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44aa29 Code: 6e 51 75 65 75 65 44 69 73 63 61 72 64 4d 61 72 6b 22 2c 20 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 6e <6e> 69 6e 67 20 77 69 74 68 20 64 65 66 61 75 6c 74 20 73 65 74 74 RSP: 002b:00007f90742c4ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044aa29 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 00000000200001c0 RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c R13: 00007ffed473a76f R14: 00007f90742c59c0 R15: 0000000000000000 INFO: task syz-executor010:7580 blocked for more than 140 seconds. Not tainted 4.19.67 #41 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor010 D29448 7580 7531 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3474 schedule+0x92/0x1c0 kernel/sched/core.c:3518 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3576 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mount_bdev+0x93/0x3c0 fs/super.c:1125 udf_mount+0x35/0x40 fs/udf/super.c:131 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44aa29 Code: 6e 51 75 65 75 65 44 69 73 63 61 72 64 4d 61 72 6b 22 2c 20 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 6e <6e> 69 6e 67 20 77 69 74 68 20 64 65 66 61 75 6c 74 20 73 65 74 74 RSP: 002b:00007f9074261ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00000000006dbc58 RCX: 000000000044aa29 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 00000000200001c0 RBP: 00000000006dbc50 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc5c R13: 00007ffed473a76f R14: 00007f90742629c0 R15: 0000000000000001 INFO: task syz-executor010:7544 blocked for more than 140 seconds. Not tainted 4.19.67 #41 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor010 D29448 7544 7529 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3474 schedule+0x92/0x1c0 kernel/sched/core.c:3518 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3576 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mount_bdev+0x93/0x3c0 fs/super.c:1125 udf_mount+0x35/0x40 fs/udf/super.c:131 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44aa29 Code: 6e 51 75 65 75 65 44 69 73 63 61 72 64 4d 61 72 6b 22 2c 20 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 6e <6e> 69 6e 67 20 77 69 74 68 20 64 65 66 61 75 6c 74 20 73 65 74 74 RSP: 002b:00007f90742c4ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044aa29 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 00000000200001c0 RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c R13: 00007ffed473a76f R14: 00007f90742c59c0 R15: 0000000000000000 Showing all locks held in the system: 1 lock held by khungtaskd/1014: #0: 000000003dd93485 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:4435 1 lock held by rs:main Q:Reg/7377: 1 lock held by rsyslogd/7380: #0: 0000000015a8ad59 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:767 2 locks held by getty/7501: #0: 00000000cfaf1488 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 00000000cb1b5a50 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154 2 locks held by getty/7502: #0: 0000000051cdb0a4 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 00000000ef4c6d7a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154 2 locks held by getty/7503: #0: 000000005f03ee98 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 00000000d9cdf5ce (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154 2 locks held by getty/7504: #0: 000000002d73f265 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 0000000077e95563 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154 2 locks held by getty/7505: #0: 00000000aefaf590 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 00000000983b4b30 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154 2 locks held by getty/7506: #0: 00000000007f6203 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 000000002cb8a26c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154 2 locks held by getty/7507: #0: 0000000075432656 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 000000002928532b (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154 1 lock held by syz-executor010/7538: #0: 0000000081253a11 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 fs/super.c:1125 1 lock held by syz-executor010/7578: #0: 0000000081253a11 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 fs/super.c:1125 1 lock held by syz-executor010/7539: 1 lock held by syz-executor010/7576: #0: 0000000081253a11 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 fs/super.c:1125 2 locks held by syz-executor010/7540: #0: 0000000081253a11 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 fs/super.c:1125 #1: 00000000a809da12 (&type->s_umount_key#52){+.+.}, at: grab_super+0xaf/0x2c0 fs/super.c:383 1 lock held by syz-executor010/7577: #0: 0000000081253a11 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 fs/super.c:1125 1 lock held by syz-executor010/7545: #0: 0000000081253a11 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 fs/super.c:1125 1 lock held by syz-executor010/7584: #0: 0000000081253a11 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 fs/super.c:1125 1 lock held by syz-executor010/7546: #0: 0000000081253a11 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 fs/super.c:1125 1 lock held by syz-executor010/7580: #0: 0000000081253a11 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 fs/super.c:1125 1 lock held by syz-executor010/7544: #0: 0000000081253a11 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 fs/super.c:1125 1 lock held by syz-executor010/7582: #0: 0000000081253a11 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 fs/super.c:1125 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1014 Comm: khungtaskd Not tainted 4.19.67 #41 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+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x9df/0xee0 kernel/hung_task.c:287 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7539 Comm: syz-executor010 Not tainted 4.19.67 #41 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:mark_lock+0xbb/0x1370 kernel/locking/lockdep.c:3102 Code: 89 48 8d 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 61 0e 00 00 4c 85 6b 30 0f 84 c1 00 00 00 <41> bd 01 00 00 00 48 83 c4 20 44 89 e8 5b 41 5c 41 5d 41 5e 41 5f RSP: 0018:ffff888080db7550 EFLAGS: 00000002 RAX: dffffc0000000000 RBX: ffffffff89f0a9d0 RCX: 1ffff110139e51a4 RDX: 1ffffffff13e1540 RSI: ffff88809cf28d00 RDI: ffffffff89f0aa00 RBP: ffff888080db7598 R08: ffff88809cf28480 R09: ffff88809cf28d20 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809cf28d00 R13: 0000000000000004 R14: 0000000000000002 R15: ffff88809cf28480 FS: 00007f90742c5700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000a3a218 CR3: 0000000080ccb000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mark_held_locks+0xb1/0x100 kernel/locking/lockdep.c:2805 __trace_hardirqs_on_caller kernel/locking/lockdep.c:2826 [inline] lockdep_hardirqs_on+0x19b/0x5d0 kernel/locking/lockdep.c:2879 trace_hardirqs_on+0x67/0x220 kernel/trace/trace_preemptirq.c:30 lookup_bh_lru fs/buffer.c:1279 [inline] __find_get_block+0x250/0xcf0 fs/buffer.c:1291 __getblk_slow fs/buffer.c:1040 [inline] __getblk_gfp+0x1b1/0x970 fs/buffer.c:1321 __bread_gfp+0x2f/0x300 fs/buffer.c:1355 sb_bread include/linux/buffer_head.h:307 [inline] udf_tread+0xf1/0x140 fs/udf/misc.c:44 udf_read_tagged+0x50/0x530 fs/udf/misc.c:210 udf_check_anchor_block+0x1ef/0x680 fs/udf/super.c:1755 udf_scan_anchors+0x1cf/0x680 fs/udf/super.c:1795 udf_find_anchor fs/udf/super.c:1852 [inline] udf_load_vrs+0x67f/0xc80 fs/udf/super.c:1917 udf_fill_super+0x7cb/0x16f5 fs/udf/super.c:2112 mount_bdev+0x304/0x3c0 fs/super.c:1158 udf_mount+0x35/0x40 fs/udf/super.c:131 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44aa29 Code: 4d cb 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 1b cb fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f90742c4ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044aa29 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 00000000200001c0 RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c R13: 00007ffed473a76f R14: 00007f90742c59c0 R15: 0000000000000000