UDF-fs: warning (device loop4): udf_load_vrs: No VRS found ================================ WARNING: inconsistent lock state 4.14.306-syzkaller #0 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. systemd-udevd/4634 [HC0[0]:SC1[1]:HE1:SE0] takes: (&(&local->client_conns_lock)->rlock){+.?.}, at: [] spin_lock include/linux/spinlock.h:317 [inline] (&(&local->client_conns_lock)->rlock){+.?.}, at: [] rxrpc_put_one_client_conn net/rxrpc/conn_client.c:905 [inline] (&(&local->client_conns_lock)->rlock){+.?.}, at: [] rxrpc_put_client_conn+0x661/0xac0 net/rxrpc/conn_client.c:957 {SOFTIRQ-ON-W} state was registered at: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] rxrpc_get_client_conn net/rxrpc/conn_client.c:306 [inline] rxrpc_connect_call+0x2bb/0x3e10 net/rxrpc/conn_client.c:692 rxrpc_new_client_call+0x8f4/0x1a10 net/rxrpc/call_object.c:276 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:531 [inline] rxrpc_do_sendmsg+0x8dc/0xfb0 net/rxrpc/sendmsg.c:583 rxrpc_sendmsg+0x3cf/0x5f0 net/rxrpc/af_rxrpc.c:543 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 irq event stamp: 887712 hardirqs last enabled at (887712): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (887712): [] _raw_spin_unlock_irqrestore+0x79/0xe0 kernel/locking/spinlock.c:192 hardirqs last disabled at (887711): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (887711): [] _raw_spin_lock_irqsave+0x66/0xc0 kernel/locking/spinlock.c:160 softirqs last enabled at (885298): [] __do_softirq+0x68b/0x9ff kernel/softirq.c:314 softirqs last disabled at (887683): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (887683): [] irq_exit+0x193/0x240 kernel/softirq.c:409 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&(&local->client_conns_lock)->rlock); lock(&(&local->client_conns_lock)->rlock); *** DEADLOCK *** 2 locks held by systemd-udevd/4634: #0: (remove_cache_srcu){....}, at: [] quarantine_reduce+0x38/0x200 mm/kasan/quarantine.c:261 #1: (rcu_callback){....}, at: [] __rcu_reclaim kernel/rcu/rcu.h:185 [inline] #1: (rcu_callback){....}, at: [] rcu_do_batch kernel/rcu/tree.c:2699 [inline] #1: (rcu_callback){....}, at: [] invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline] #1: (rcu_callback){....}, at: [] __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline] #1: (rcu_callback){....}, at: [] rcu_process_callbacks+0x84e/0x1180 kernel/rcu/tree.c:2946 stack backtrace: CPU: 0 PID: 4634 Comm: systemd-udevd Not tainted 4.14.306-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_usage_bug.cold+0x42e/0x570 kernel/locking/lockdep.c:2589 valid_state kernel/locking/lockdep.c:2602 [inline] mark_lock_irq kernel/locking/lockdep.c:2796 [inline] mark_lock+0xb4d/0x1050 kernel/locking/lockdep.c:3194 mark_irqflags kernel/locking/lockdep.c:3072 [inline] __lock_acquire+0xc81/0x3f20 kernel/locking/lockdep.c:3448 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] rxrpc_put_one_client_conn net/rxrpc/conn_client.c:905 [inline] rxrpc_put_client_conn+0x661/0xac0 net/rxrpc/conn_client.c:957 rxrpc_put_connection net/rxrpc/ar-internal.h:862 [inline] rxrpc_rcu_destroy_call+0x83/0x190 net/rxrpc/call_object.c:653 __rcu_reclaim kernel/rcu/rcu.h:195 [inline] rcu_do_batch kernel/rcu/tree.c:2699 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline] rcu_process_callbacks+0x780/0x1180 kernel/rcu/tree.c:2946 __do_softirq+0x24d/0x9ff kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:638 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1106 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:796 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] RIP: 0010:qlink_free mm/kasan/quarantine.c:150 [inline] RIP: 0010:qlist_free_all+0xfc/0x140 mm/kasan/quarantine.c:166 RSP: 0018:ffff88809bb27a60 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000007 RBX: ffff88809d8d5680 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88809bb1ec48 RDI: 0000000000000282 RBP: 0000000000000000 R08: ffffea0002784d80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809d8fba00 R13: ffff88809bb27a98 R14: ffff88813fe74ac0 R15: 0000000000000282 quarantine_reduce+0x185/0x200 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:536 slab_post_alloc_hook mm/slab.h:442 [inline] slab_alloc mm/slab.c:3390 [inline] kmem_cache_alloc_trace+0x11b/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] kzalloc include/linux/slab.h:661 [inline] kernfs_iop_get_link fs/kernfs/symlink.c:127 [inline] kernfs_iop_get_link+0x61/0x6b0 fs/kernfs/symlink.c:118 generic_readlink fs/namei.c:4732 [inline] vfs_readlink+0x1a3/0x3b0 fs/namei.c:4767 SYSC_readlinkat fs/stat.c:405 [inline] SyS_readlinkat+0x1e8/0x270 fs/stat.c:381 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f45539d80ba RSP: 002b:00007ffcb16b3738 EFLAGS: 00000206 ORIG_RAX: 000000000000010b RAX: ffffffffffffffda RBX: 000055a7a43418a0 RCX: 00007f45539d80ba RDX: 000055a7a43418a0 RSI: 00007ffcb16b3800 RDI: 00000000ffffff9c RBP: 0000000000000064 R08: 000055a7a255a670 R09: 0000000000000070 R10: 0000000000000063 R11: 0000000000000206 R12: 00007ffcb16b3800 R13: 00000000ffffff9c R14: 00007ffcb16b3790 R15: 0000000000000063 attempt to access beyond end of device loop2: rw=2049, want=138, limit=128 UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop1): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop4): udf_load_vrs: No VRS found FAT-fs (loop0): Directory bread(block 64) failed UDF-fs: warning (device loop1): udf_load_vrs: No VRS found FAT-fs (loop0): Directory bread(block 65) failed UDF-fs: Scanning with blocksize 1024 failed UDF-fs: Scanning with blocksize 1024 failed FAT-fs (loop0): Directory bread(block 66) failed UDF-fs: warning (device loop4): udf_load_vrs: No VRS found FAT-fs (loop0): Directory bread(block 67) failed UDF-fs: warning (device loop1): udf_load_vrs: No VRS found FAT-fs (loop0): Directory bread(block 68) failed UDF-fs: Scanning with blocksize 2048 failed FAT-fs (loop0): Directory bread(block 69) failed UDF-fs: Scanning with blocksize 2048 failed FAT-fs (loop0): Directory bread(block 70) failed UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) FAT-fs (loop0): Directory bread(block 71) failed UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) FAT-fs (loop0): Directory bread(block 72) failed FAT-fs (loop0): Directory bread(block 73) failed audit: type=1800 audit(1677245221.588:7): pid=9574 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.1" name="bus" dev="loop1" ino=842 res=0 audit: type=1800 audit(1677245221.608:8): pid=9576 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="bus" dev="loop4" ino=842 res=0 L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. attempt to access beyond end of device loop2: rw=2049, want=138, limit=128 FAT-fs (loop4): Directory bread(block 64) failed FAT-fs (loop4): Directory bread(block 65) failed FAT-fs (loop4): Directory bread(block 66) failed FAT-fs (loop4): Directory bread(block 67) failed FAT-fs (loop4): Directory bread(block 68) failed FAT-fs (loop0): Directory bread(block 64) failed FAT-fs (loop0): Directory bread(block 65) failed FAT-fs (loop0): Directory bread(block 66) failed FAT-fs (loop4): Directory bread(block 69) failed attempt to access beyond end of device FAT-fs (loop4): Directory bread(block 70) failed loop2: rw=2049, want=138, limit=128 FAT-fs (loop0): Directory bread(block 67) failed FAT-fs (loop4): Directory bread(block 71) failed FAT-fs (loop0): Directory bread(block 68) failed FAT-fs (loop4): Directory bread(block 72) failed FAT-fs (loop4): Directory bread(block 73) failed FAT-fs (loop0): Directory bread(block 69) failed FAT-fs (loop0): Directory bread(block 70) failed FAT-fs (loop0): Directory bread(block 71) failed FAT-fs (loop0): Directory bread(block 72) failed attempt to access beyond end of device FAT-fs (loop0): Directory bread(block 73) failed loop2: rw=2049, want=138, limit=128 FAT-fs (loop4): Directory bread(block 64) failed FAT-fs (loop4): Directory bread(block 65) failed FAT-fs (loop4): Directory bread(block 66) failed FAT-fs (loop0): Directory bread(block 64) failed FAT-fs (loop4): Directory bread(block 67) failed FAT-fs (loop0): Directory bread(block 65) failed FAT-fs (loop4): Directory bread(block 68) failed FAT-fs (loop0): Directory bread(block 66) failed FAT-fs (loop0): Directory bread(block 67) failed FAT-fs (loop0): Directory bread(block 68) failed FAT-fs (loop4): Directory bread(block 69) failed FAT-fs (loop4): Directory bread(block 70) failed FAT-fs (loop0): Directory bread(block 69) failed FAT-fs (loop4): Directory bread(block 71) failed FAT-fs (loop0): Directory bread(block 70) failed FAT-fs (loop4): Directory bread(block 72) failed FAT-fs (loop0): Directory bread(block 71) failed FAT-fs (loop4): Directory bread(block 73) failed FAT-fs (loop0): Directory bread(block 72) failed FAT-fs (loop0): Directory bread(block 73) failed FAT-fs (loop0): Directory bread(block 64) failed FAT-fs (loop0): Directory bread(block 65) failed FAT-fs (loop0): Directory bread(block 66) failed FAT-fs (loop0): Directory bread(block 67) failed FAT-fs (loop0): Directory bread(block 68) failed FAT-fs (loop0): Directory bread(block 69) failed FAT-fs (loop0): Directory bread(block 70) failed FAT-fs (loop0): Directory bread(block 71) failed FAT-fs (loop0): Directory bread(block 72) failed FAT-fs (loop0): Directory bread(block 73) failed FAT-fs (loop4): Directory bread(block 64) failed FAT-fs (loop4): Directory bread(block 65) failed FAT-fs (loop4): Directory bread(block 66) failed FAT-fs (loop4): Directory bread(block 67) failed FAT-fs (loop4): Directory bread(block 68) failed FAT-fs (loop4): Directory bread(block 69) failed FAT-fs (loop4): Directory bread(block 70) failed FAT-fs (loop4): Directory bread(block 71) failed FAT-fs (loop4): Directory bread(block 72) failed FAT-fs (loop4): Directory bread(block 73) failed IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 capability: warning: `syz-executor.3' uses deprecated v2 capabilities in a way that may be insecure sch_tbf: burst 0 is lower than device lo mtu (65550) ! sch_tbf: burst 0 is lower than device lo mtu (65550) ! sch_tbf: burst 0 is lower than device lo mtu (65550) ! sch_tbf: burst 0 is lower than device lo mtu (65550) ! ERROR: (device loop2): txAbort: ERROR: (device loop2): txAbort: ERROR: (device loop2): txAbort: ERROR: (device loop2): txAbort: ERROR: (device loop4): txAbort: ERROR: (device loop5): txAbort: ERROR: (device loop1): txAbort: ERROR: (device loop4): txAbort: ERROR: (device loop5): txAbort: ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table ERROR: (device loop5): txAbort: ip6_tables: ip6tables: counters copy to user failed while replacing table ERROR: (device loop1): txAbort: ERROR: (device loop4): txAbort: ERROR: (device loop1): txAbort: audit: type=1800 audit(1677245229.538:9): pid=10237 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.5" name="bus" dev="sda1" ino=13976 res=0 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) audit: type=1804 audit(1677245229.968:10): pid=10270 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir4136473049/syzkaller.iqXZQa/28/file0/bus" dev="loop3" ino=1367 res=1 audit: type=1800 audit(1677245230.128:11): pid=10277 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.5" name="bus" dev="sda1" ino=13944 res=0 ceph: No mds server is up or the cluster is laggy audit: type=1800 audit(1677245230.468:12): pid=10301 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.5" name="bus" dev="sda1" ino=14001 res=0 libceph: connect [d::]:6789 error -101 libceph: mon0 [d::]:6789 connect error libceph: connect [d::]:6789 error -101 ntfs: volume version 3.1. libceph: mon0 [d::]:6789 connect error