====================================================== WARNING: possible circular locking dependency detected 4.14.305-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.2/10141 is trying to acquire lock: (&xt[i].mutex){+.+.}, at: [] match_revfn+0x43/0x210 net/netfilter/x_tables.c:332 but task is already holding lock: (&table[i].mutex){+.+.}, at: [] nfnl_lock net/netfilter/nfnetlink.c:61 [inline] (&table[i].mutex){+.+.}, at: [] nfnetlink_rcv_msg+0x726/0xc00 net/netfilter/nfnetlink.c:209 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&table[i].mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 nf_tables_netdev_event+0x10d/0x4d0 net/netfilter/nf_tables_netdev.c:122 notifier_call_chain+0x108/0x1a0 kernel/notifier.c:93 call_netdevice_notifiers_info net/core/dev.c:1667 [inline] call_netdevice_notifiers net/core/dev.c:1683 [inline] rollback_registered_many+0x765/0xbb0 net/core/dev.c:7211 unregister_netdevice_many.part.0+0x18/0x2e0 net/core/dev.c:8293 unregister_netdevice_many+0x36/0x50 net/core/dev.c:8292 ip6gre_exit_net+0x41e/0x570 net/ipv6/ip6_gre.c:1211 ops_exit_list+0xad/0x160 net/core/net_namespace.c:142 cleanup_net+0x3b3/0x840 net/core/net_namespace.c:487 process_one_work+0x793/0x14a0 kernel/workqueue.c:2117 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:406 -> #1 (rtnl_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 unregister_netdevice_notifier+0x5e/0x2b0 net/core/dev.c:1630 tee_tg_destroy+0x5c/0xb0 net/netfilter/xt_TEE.c:123 cleanup_entry+0x1fd/0x2d0 net/ipv4/netfilter/ip_tables.c:666 __do_replace+0x38d/0x570 net/ipv4/netfilter/ip_tables.c:1086 do_replace net/ipv4/netfilter/ip_tables.c:1142 [inline] do_ipt_set_ctl+0x256/0x3a0 net/ipv4/netfilter/ip_tables.c:1676 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x5f/0xb0 net/netfilter/nf_sockopt.c:115 ip_setsockopt net/ipv4/ip_sockglue.c:1255 [inline] ip_setsockopt+0x94/0xb0 net/ipv4/ip_sockglue.c:1240 raw_setsockopt+0xac/0xd0 net/ipv4/raw.c:860 SYSC_setsockopt net/socket.c:1865 [inline] SyS_setsockopt+0x110/0x1e0 net/socket.c:1844 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 -> #0 (&xt[i].mutex){+.+.}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 match_revfn+0x43/0x210 net/netfilter/x_tables.c:332 xt_find_revision+0x8d/0x1d0 net/netfilter/x_tables.c:380 nfnl_compat_get+0x1f7/0x870 net/netfilter/nft_compat.c:678 nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2461 nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x651/0xbc0 net/netlink/af_netlink.c:1900 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 other info that might help us debug this: Chain exists of: &xt[i].mutex --> rtnl_mutex --> &table[i].mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&table[i].mutex); lock(rtnl_mutex); lock(&table[i].mutex); lock(&xt[i].mutex); *** DEADLOCK *** 1 lock held by syz-executor.2/10141: #0: (&table[i].mutex){+.+.}, at: [] nfnl_lock net/netfilter/nfnetlink.c:61 [inline] #0: (&table[i].mutex){+.+.}, at: [] nfnetlink_rcv_msg+0x726/0xc00 net/netfilter/nfnetlink.c:209 stack backtrace: CPU: 0 PID: 10141 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 match_revfn+0x43/0x210 net/netfilter/x_tables.c:332 xt_find_revision+0x8d/0x1d0 net/netfilter/x_tables.c:380 nfnl_compat_get+0x1f7/0x870 net/netfilter/nft_compat.c:678 nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2461 nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x651/0xbc0 net/netlink/af_netlink.c:1900 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 RIP: 0033:0x7faf535ec0f9 RSP: 002b:00007faf51b5e168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007faf5370bf80 RCX: 00007faf535ec0f9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00007faf53647ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe4798b9ff R14: 00007faf51b5e300 R15: 0000000000022000 unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 SQUASHFS error: squashfs_read_data failed to read block 0x736 SQUASHFS error: Unable to read metadata cache entry [736] SQUASHFS error: squashfs_read_data failed to read block 0x4e8 audit: type=1800 audit(1676091300.933:18): pid=10163 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.2" name="file1" dev="loop2" ino=5 res=0 SQUASHFS error: squashfs_read_data failed to read block 0x736 audit: type=1800 audit(1676091301.013:19): pid=10169 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="bus" dev="loop4" ino=7 res=0 SQUASHFS error: Unable to read metadata cache entry [736] SQUASHFS error: squashfs_read_data failed to read block 0x4e8 audit: type=1800 audit(1676091301.193:20): pid=10185 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.2" name="file1" dev="loop2" ino=5 res=0 SQUASHFS error: squashfs_read_data failed to read block 0x736 SQUASHFS error: Unable to read metadata cache entry [736] SQUASHFS error: squashfs_read_data failed to read block 0x4e8 audit: type=1800 audit(1676091301.493:21): pid=10203 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="bus" dev="loop4" ino=7 res=0 audit: type=1800 audit(1676091301.493:22): pid=10204 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.2" name="file1" dev="loop2" ino=5 res=0 BFS-fs: bfs_fill_super(): Inode 0x00000002 corrupted SQUASHFS error: squashfs_read_data failed to read block 0x736 SQUASHFS error: Unable to read metadata cache entry [736] SQUASHFS error: squashfs_read_data failed to read block 0x4e8 audit: type=1800 audit(1676091301.983:23): pid=10228 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.2" name="file1" dev="loop2" ino=5 res=0 BFS-fs: bfs_fill_super(): Inode 0x00000002 corrupted BFS-fs: bfs_fill_super(): Inode 0x00000002 corrupted BFS-fs: bfs_fill_super(): Inode 0x00000002 corrupted 9pnet: Insufficient options for proto=fd sd 0:0:1:0: [sda] tag#6828 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sda] tag#6828 CDB: opcode=0x71 (reserved) sd 0:0:1:0: [sda] tag#6828 CDB[00]: 71 60 01 06 5e 9d cb 77 89 37 fb 86 e0 4f e0 cf sd 0:0:1:0: [sda] tag#6828 CDB[10]: 35 49 0c 86 92 b5 3e 96 57 1e eb 38 04 59 b2 84 sd 0:0:1:0: [sda] tag#6828 CDB[20]: ae 43 f6 bd d9 bf f8 3b a0 2d 59 b9 71 c2 ee b0 sd 0:0:1:0: [sda] tag#6828 CDB[30]: da 67 46 8e f2 b6 66 1e 16 4c 95 9a 4b 6a 6e 65 sd 0:0:1:0: [sda] tag#6828 CDB[40]: 10 4d 0e 9a 9f 95 03 00 00 00 00 00 00 00 90 3b sd 0:0:1:0: [sda] tag#6828 CDB[50]: 6c db f1 89 ae f0 e2 72 3b 77 cd 85 44 bf 45 a1 sd 0:0:1:0: [sda] tag#6828 CDB[60]: 02 cb 04 9a 14 b2 45 5d 70 7b 78 f3 04 1e f3 fe sd 0:0:1:0: [sda] tag#6828 CDB[70]: be 9pnet: Insufficient options for proto=fd sd 0:0:1:0: [sda] tag#6934 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sda] tag#6934 CDB: opcode=0x71 (reserved) sd 0:0:1:0: [sda] tag#6934 CDB[00]: 71 60 01 06 5e 9d cb 77 89 37 fb 86 e0 4f e0 cf sd 0:0:1:0: [sda] tag#6934 CDB[10]: 35 49 0c 86 92 b5 3e 96 57 1e eb 38 04 59 b2 84 sd 0:0:1:0: [sda] tag#6934 CDB[20]: ae 43 f6 bd d9 bf f8 3b a0 2d 59 b9 71 c2 ee b0 sd 0:0:1:0: [sda] tag#6934 CDB[30]: da 67 46 8e f2 b6 66 1e 16 4c 95 9a 4b 6a 6e 65 sd 0:0:1:0: [sda] tag#6934 CDB[40]: 10 4d 0e 9a 9f 95 03 00 00 00 00 00 00 00 90 3b sd 0:0:1:0: [sda] tag#6934 CDB[50]: 6c db f1 89 ae f0 e2 72 3b 77 cd 85 44 bf 45 a1 sd 0:0:1:0: [sda] tag#6934 CDB[60]: 02 cb 04 9a 14 b2 45 5d 70 7b 78 f3 04 1e f3 fe sd 0:0:1:0: [sda] tag#6934 CDB[70]: be 9pnet: Insufficient options for proto=fd 9pnet: Insufficient options for proto=fd sd 0:0:1:0: [sda] tag#6934 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sda] tag#6934 CDB: opcode=0x71 (reserved) sd 0:0:1:0: [sda] tag#6934 CDB[00]: 71 60 01 06 5e 9d cb 77 89 37 fb 86 e0 4f e0 cf sd 0:0:1:0: [sda] tag#6934 CDB[10]: 35 49 0c 86 92 b5 3e 96 57 1e eb 38 04 59 b2 84 sd 0:0:1:0: [sda] tag#6934 CDB[20]: ae 43 f6 bd d9 bf f8 3b a0 2d 59 b9 71 c2 ee b0 sd 0:0:1:0: [sda] tag#6934 CDB[30]: da 67 46 8e f2 b6 66 1e 16 4c 95 9a 4b 6a 6e 65 sd 0:0:1:0: [sda] tag#6934 CDB[40]: 10 4d 0e 9a 9f 95 03 00 00 00 00 00 00 00 90 3b sd 0:0:1:0: [sda] tag#6934 CDB[50]: 6c db f1 89 ae f0 e2 72 3b 77 cd 85 44 bf 45 a1 sd 0:0:1:0: [sda] tag#6934 CDB[60]: 02 cb 04 9a 14 b2 45 5d 70 7b 78 f3 04 1e f3 fe sd 0:0:1:0: [sda] tag#6934 CDB[70]: be sd 0:0:1:0: [sda] tag#6934 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sda] tag#6934 CDB: opcode=0x71 (reserved) sd 0:0:1:0: [sda] tag#6934 CDB[00]: 71 60 01 06 5e 9d cb 77 89 37 fb 86 e0 4f e0 cf sd 0:0:1:0: [sda] tag#6934 CDB[10]: 35 49 0c 86 92 b5 3e 96 57 1e eb 38 04 59 b2 84 sd 0:0:1:0: [sda] tag#6934 CDB[20]: ae 43 f6 bd d9 bf f8 3b a0 2d 59 b9 71 c2 ee b0 sd 0:0:1:0: [sda] tag#6934 CDB[30]: da 67 46 8e f2 b6 66 1e 16 4c 95 9a 4b 6a 6e 65 sd 0:0:1:0: [sda] tag#6934 CDB[40]: 10 4d 0e 9a 9f 95 03 00 00 00 00 00 00 00 90 3b sd 0:0:1:0: [sda] tag#6934 CDB[50]: 6c db f1 89 ae f0 e2 72 3b 77 cd 85 44 bf 45 a1 sd 0:0:1:0: [sda] tag#6934 CDB[60]: 02 cb 04 9a 14 b2 45 5d 70 7b 78 f3 04 1e f3 fe sd 0:0:1:0: [sda] tag#6934 CDB[70]: be 9pnet: Insufficient options for proto=fd 9pnet: Insufficient options for proto=fd 9pnet: Insufficient options for proto=fd sd 0:0:1:0: [sda] tag#6828 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK *** Guest State *** sd 0:0:1:0: [sda] tag#6828 CDB: opcode=0x71 (reserved) CR0: actual=0x0000000000000021, shadow=0x0000000000000001, gh_mask=fffffffffffffff7 sd 0:0:1:0: [sda] tag#6828 CDB[00]: 71 60 01 06 5e 9d cb 77 89 37 fb 86 e0 4f e0 cf CR4: actual=0x0000000000002050, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 sd 0:0:1:0: [sda] tag#6828 CDB[10]: 35 49 0c 86 92 b5 3e 96 57 1e eb 38 04 59 b2 84 CR3 = 0x00000000fffbc000 sd 0:0:1:0: [sda] tag#6828 CDB[20]: ae 43 f6 bd d9 bf f8 3b a0 2d 59 b9 71 c2 ee b0 RSP = 0x0000000000000f80 RIP = 0x0000000000000000 sd 0:0:1:0: [sda] tag#6828 CDB[30]: da 67 46 8e f2 b6 66 1e 16 4c 95 9a 4b 6a 6e 65 sd 0:0:1:0: [sda] tag#6828 CDB[40]: 10 4d 0e 9a 9f 95 03 00 00 00 00 00 00 00 90 3b RFLAGS=0x00000002 DR7 = 0x0000000000000400 sd 0:0:1:0: [sda] tag#6828 CDB[50]: 6c db f1 89 ae f0 e2 72 3b 77 cd 85 44 bf 45 a1 sd 0:0:1:0: [sda] tag#6934 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sda] tag#6828 CDB[60]: 02 cb 04 9a 14 b2 45 5d 70 7b 78 f3 04 1e f3 fe sd 0:0:1:0: [sda] tag#6828 CDB[70]: be sd 0:0:1:0: [sda] tag#6934 CDB: opcode=0x71 (reserved) sd 0:0:1:0: [sda] tag#6934 CDB[00]: 71 60 01 06 5e 9d cb 77 89 37 fb 86 e0 4f e0 cf sd 0:0:1:0: [sda] tag#6934 CDB[10]: 35 49 0c 86 92 b5 3e 96 57 1e eb 38 04 59 b2 84 sd 0:0:1:0: [sda] tag#6934 CDB[20]: ae 43 f6 bd d9 bf f8 3b a0 2d 59 b9 71 c2 ee b0 sd 0:0:1:0: [sda] tag#6934 CDB[30]: da 67 46 8e f2 b6 66 1e 16 4c 95 9a 4b 6a 6e 65 sd 0:0:1:0: [sda] tag#6934 CDB[40]: 10 4d 0e 9a 9f 95 03 00 00 00 00 00 00 00 90 3b sd 0:0:1:0: [sda] tag#6934 CDB[50]: 6c db f1 89 ae f0 e2 72 3b 77 cd 85 44 bf 45 a1 sd 0:0:1:0: [sda] tag#6828 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sda] tag#6934 CDB[60]: 02 cb 04 9a 14 b2 45 5d 70 7b 78 f3 04 1e f3 fe sd 0:0:1:0: [sda] tag#6828 CDB: opcode=0x71 (reserved) sd 0:0:1:0: [sda] tag#6934 CDB[70]: be sd 0:0:1:0: [sda] tag#6828 CDB[00]: 71 60 01 06 5e 9d cb 77 89 37 fb 86 e0 4f e0 cf sd 0:0:1:0: [sda] tag#6828 CDB[10]: 35 49 0c 86 92 b5 3e 96 57 1e eb 38 04 59 b2 84 sd 0:0:1:0: [sda] tag#6828 CDB[20]: ae 43 f6 bd d9 bf f8 3b a0 2d 59 b9 71 c2 ee b0 sd 0:0:1:0: [sda] tag#6828 CDB[30]: da 67 46 8e f2 b6 66 1e 16 4c 95 9a 4b 6a 6e 65 sd 0:0:1:0: [sda] tag#6828 CDB[40]: 10 4d 0e 9a 9f 95 03 00 00 00 00 00 00 00 90 3b sd 0:0:1:0: [sda] tag#6828 CDB[50]: 6c db f1 89 ae f0 e2 72 3b 77 cd 85 44 bf 45 a1 sd 0:0:1:0: [sda] tag#6828 CDB[60]: 02 cb 04 9a 14 b2 45 5d 70 7b 78 f3 04 1e f3 fe Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810 sd 0:0:1:0: [sda] tag#6828 CDB[70]: be CS: sel=0x0030, attr=0x0409b, limit=0x000fffff, base=0x0000000000000000 DS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 9pnet: Insufficient options for proto=fd SS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 9pnet: Insufficient options for proto=fd ES: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 FS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 9pnet: Insufficient options for proto=fd GS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 GDTR: limit=0x000007ff, base=0x0000000000001000 sd 0:0:1:0: [sda] tag#6828 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800 sd 0:0:1:0: [sda] tag#6828 CDB: opcode=0x71 (reserved) IDTR: limit=0x000001ff, base=0x0000000000003800 sd 0:0:1:0: [sda] tag#6828 CDB[00]: 71 60 01 06 5e 9d cb 77 89 37 fb 86 e0 4f e0 cf TR: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 sd 0:0:1:0: [sda] tag#6828 CDB[10]: 35 49 0c 86 92 b5 3e 96 57 1e eb 38 04 59 b2 84 EFER = 0x0000000000000001 PAT = 0x0007040600070406 sd 0:0:1:0: [sda] tag#6828 CDB[20]: ae 43 f6 bd d9 bf f8 3b a0 2d 59 b9 71 c2 ee b0 sd 0:0:1:0: [sda] tag#6828 CDB[30]: da 67 46 8e f2 b6 66 1e 16 4c 95 9a 4b 6a 6e 65 sd 0:0:1:0: [sda] tag#6828 CDB[40]: 10 4d 0e 9a 9f 95 03 00 00 00 00 00 00 00 90 3b DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 sd 0:0:1:0: [sda] tag#6828 CDB[50]: 6c db f1 89 ae f0 e2 72 3b 77 cd 85 44 bf 45 a1 sd 0:0:1:0: [sda] tag#6828 CDB[60]: 02 cb 04 9a 14 b2 45 5d 70 7b 78 f3 04 1e f3 fe sd 0:0:1:0: [sda] tag#6828 CDB[70]: be sd 0:0:1:0: [sda] tag#6934 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sda] tag#6934 CDB: opcode=0x71 (reserved) sd 0:0:1:0: [sda] tag#6934 CDB[00]: 71 60 01 06 5e 9d cb 77 89 37 fb 86 e0 4f e0 cf sd 0:0:1:0: [sda] tag#6934 CDB[10]: 35 49 0c 86 92 b5 3e 96 57 1e eb 38 04 59 b2 84 sd 0:0:1:0: [sda] tag#6934 CDB[20]: ae 43 f6 bd d9 bf f8 3b a0 2d 59 b9 71 c2 ee b0 sd 0:0:1:0: [sda] tag#6934 CDB[30]: da 67 46 8e f2 b6 66 1e 16 4c 95 9a 4b 6a 6e 65 sd 0:0:1:0: [sda] tag#6934 CDB[40]: 10 4d 0e 9a 9f 95 03 00 00 00 00 00 00 00 90 3b sd 0:0:1:0: [sda] tag#6829 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sda] tag#6934 CDB[50]: 6c db f1 89 ae f0 e2 72 3b 77 cd 85 44 bf 45 a1 sd 0:0:1:0: [sda] tag#6829 CDB: opcode=0x71 (reserved) sd 0:0:1:0: [sda] tag#6934 CDB[60]: 02 cb 04 9a 14 b2 45 5d 70 7b 78 f3 04 1e f3 fe sd 0:0:1:0: [sda] tag#6829 CDB[00]: 71 60 01 06 5e 9d cb 77 89 37 fb 86 e0 4f e0 cf sd 0:0:1:0: [sda] tag#6934 CDB[70]: be sd 0:0:1:0: [sda] tag#6829 CDB[10]: 35 49 0c 86 92 b5 3e 96 57 1e eb 38 04 59 b2 84 sd 0:0:1:0: [sda] tag#6829 CDB[20]: ae 43 f6 bd d9 bf f8 3b a0 2d 59 b9 71 c2 ee b0 sd 0:0:1:0: [sda] tag#6829 CDB[30]: da 67 46 8e f2 b6 66 1e 16 4c 95 9a 4b 6a 6e 65 sd 0:0:1:0: [sda] tag#6829 CDB[40]: 10 4d 0e 9a 9f 95 03 00 00 00 00 00 00 00 90 3b Interruptibility = 00000000 ActivityState = 00000000 sd 0:0:1:0: [sda] tag#6829 CDB[50]: 6c db f1 89 ae f0 e2 72 3b 77 cd 85 44 bf 45 a1 sd 0:0:1:0: [sda] tag#6829 CDB[60]: 02 cb 04 9a 14 b2 45 5d 70 7b 78 f3 04 1e f3 fe *** Host State *** sd 0:0:1:0: [sda] tag#6829 CDB[70]: be RIP = 0xffffffff8116183e RSP = 0xffff8880596279b8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007ff0d9e9c700 GSBase=ffff8880ba400000 TRBase=fffffe0000003000 GDTBase=fffffe0000001000 IDTBase=fffffe0000000000 CR0=0000000080050033 CR3=000000009c3cd000 CR4=00000000003426f0 Sysenter RSP=fffffe0000003000 CS:RIP=0010:ffffffff87401780 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 *** Control State *** PinBased=0000003f CPUBased=b699edfe SecondaryExec=000000ea EntryControls=0000d1ff ExitControls=002fefff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=80000040 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffffa3513b360c EPT pointer = 0x00000000a9d2701e Virtual processor ID = 0x0001 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) audit: type=1804 audit(1676091305.343:24): pid=10524 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir1694443308/syzkaller.gw9xsq/16/file0/bus" dev="loop5" ino=3 res=1 attempt to access beyond end of device loop5: rw=1, want=2064, limit=2048 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) SQUASHFS error: zlib decompression failed, data probably corrupt SQUASHFS error: squashfs_read_data failed to read block 0x13c SQUASHFS error: Unable to read metadata cache entry [13c] SQUASHFS error: Unable to read directory block [13c:26] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop5 BTRFS info (device loop5): enabling inode map caching BTRFS warning (device loop5): excessive commit interval 622039222 BTRFS info (device loop5): force zlib compression BTRFS info (device loop5): using free space tree BTRFS info (device loop5): has skinny extents 9pnet: Unknown protocol version 9pü˙˙˙˙˙˙˙id>00000000000000000000 SQUASHFS error: zlib decompression failed, data probably corrupt SQUASHFS error: squashfs_read_data failed to read block 0x13c SQUASHFS error: Unable to read metadata cache entry [13c] SQUASHFS error: Unable to read directory block [13c:26] BTRFS info (device loop5): enabling inode map caching SQUASHFS error: zlib decompression failed, data probably corrupt SQUASHFS error: squashfs_read_data failed to read block 0x13c BTRFS warning (device loop5): excessive commit interval 622039222 SQUASHFS error: Unable to read metadata cache entry [13c] SQUASHFS error: Unable to read directory block [13c:26] BTRFS info (device loop5): force zlib compression BTRFS info (device loop5): using free space tree BTRFS info (device loop5): has skinny extents 9pnet: Unknown protocol version 9pü˙˙˙˙˙˙˙id>00000000000000000000 9pnet: Unknown protocol version 9pü˙˙˙˙˙˙˙id>00000000000000000000 9pnet: Unknown protocol version 9pü˙˙˙˙˙˙˙id>00000000000000000000 caif:caif_disconnect_client(): nothing to disconnect SQUASHFS error: zlib decompression failed, data probably corrupt caif:caif_disconnect_client(): nothing to disconnect SQUASHFS error: squashfs_read_data failed to read block 0x13c SQUASHFS error: Unable to read metadata cache entry [13c] SQUASHFS error: Unable to read directory block [13c:26] 9pnet: Unknown protocol version 9pü˙˙˙˙˙˙˙id>00000000000000000000 caif:caif_disconnect_client(): nothing to disconnect BTRFS info (device loop5): enabling inode map caching caif:caif_disconnect_client(): nothing to disconnect BTRFS warning (device loop5): excessive commit interval 622039222 BTRFS info (device loop5): force zlib compression BTRFS info (device loop5): using free space tree BTRFS info (device loop5): has skinny extents 9pnet: Unknown protocol version 9pü˙˙˙˙˙˙˙id>00000000000000000000 9pnet: Unknown protocol version 9pü˙˙˙˙˙˙˙id>00000000000000000000 9pnet: Unknown protocol version 9pü˙˙˙˙˙˙˙id>00000000000000000000 BTRFS info (device loop5): enabling inode map caching BTRFS warning (device loop5): excessive commit interval 622039222 BTRFS info (device loop5): force zlib compression BTRFS info (device loop5): using free space tree BTRFS info (device loop5): has skinny extents