====================================================== WARNING: possible circular locking dependency detected 4.15.0+ #290 Not tainted ------------------------------------------------------ syz-executor1/11038 is trying to acquire lock: (rtnl_mutex){+.+.}, at: [<00000000a6f02522>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 but task is already holding lock: (sk_lock-AF_INET){+.+.}, at: [<000000006a6e18f4>] lock_sock include/net/sock.h:1461 [inline] (sk_lock-AF_INET){+.+.}, at: [<000000006a6e18f4>] ip_setsockopt+0x8c/0xb0 net/ipv4/ip_sockglue.c:1259 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (sk_lock-AF_INET){+.+.}: lock_sock_nested+0xc2/0x110 net/core/sock.c:2780 lock_sock include/net/sock.h:1461 [inline] do_ip_setsockopt.isra.12+0x1d9/0x3210 net/ipv4/ip_sockglue.c:646 ip_setsockopt+0x3a/0xb0 net/ipv4/ip_sockglue.c:1252 udp_setsockopt+0x45/0x80 net/ipv4/udp.c:2401 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 entry_SYSCALL_64_fastpath+0x29/0xa0 -> #0 (rtnl_mutex){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 register_netdevice_notifier+0xad/0x860 net/core/dev.c:1607 tee_tg_check+0x1a0/0x280 net/netfilter/xt_TEE.c:106 xt_check_target+0x22c/0x7d0 net/netfilter/x_tables.c:845 check_target net/ipv4/netfilter/ip_tables.c:513 [inline] find_check_entry.isra.8+0x8c8/0xcb0 net/ipv4/netfilter/ip_tables.c:554 translate_table+0xed1/0x1610 net/ipv4/netfilter/ip_tables.c:725 do_replace net/ipv4/netfilter/ip_tables.c:1141 [inline] do_ipt_set_ctl+0x370/0x5f0 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1260 udp_setsockopt+0x45/0x80 net/ipv4/udp.c:2401 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 entry_SYSCALL_64_fastpath+0x29/0xa0 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(sk_lock-AF_INET); lock(rtnl_mutex); lock(sk_lock-AF_INET); lock(rtnl_mutex); *** DEADLOCK *** 1 lock held by syz-executor1/11038: #0: (sk_lock-AF_INET){+.+.}, at: [<000000006a6e18f4>] lock_sock include/net/sock.h:1461 [inline] #0: (sk_lock-AF_INET){+.+.}, at: [<000000006a6e18f4>] ip_setsockopt+0x8c/0xb0 net/ipv4/ip_sockglue.c:1259 stack backtrace: CPU: 0 PID: 11038 Comm: syz-executor1 Not tainted 4.15.0+ #290 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+0x194/0x257 lib/dump_stack.c:53 print_circular_bug.isra.38+0x2cd/0x2dc kernel/locking/lockdep.c:1223 check_prev_add kernel/locking/lockdep.c:1863 [inline] check_prevs_add kernel/locking/lockdep.c:1976 [inline] validate_chain kernel/locking/lockdep.c:2417 [inline] __lock_acquire+0x30a8/0x3e00 kernel/locking/lockdep.c:3431 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 register_netdevice_notifier+0xad/0x860 net/core/dev.c:1607 tee_tg_check+0x1a0/0x280 net/netfilter/xt_TEE.c:106 xt_check_target+0x22c/0x7d0 net/netfilter/x_tables.c:845 check_target net/ipv4/netfilter/ip_tables.c:513 [inline] find_check_entry.isra.8+0x8c8/0xcb0 net/ipv4/netfilter/ip_tables.c:554 translate_table+0xed1/0x1610 net/ipv4/netfilter/ip_tables.c:725 do_replace net/ipv4/netfilter/ip_tables.c:1141 [inline] do_ipt_set_ctl+0x370/0x5f0 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1260 udp_setsockopt+0x45/0x80 net/ipv4/udp.c:2401 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f33fd2f0c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 00000000000005c4 R08: 00000000000002e0 R09: 0000000000000000 R10: 000000002002ccf8 R11: 0000000000000212 R12: 00000000006f7b00 R13: 00000000ffffffff R14: 00007f33fd2f16d4 R15: 0000000000000000 xt_socket: unknown flags 0xec audit: type=1326 audit(1517488587.882:735): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=11094 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 binder: 11095:11098 ioctl 4008af12 2066c000 returned -22 binder: 11095:11098 transaction failed 29189/-22, size 0-0 line 2788 binder: 11095:11098 ioctl 4008af12 2066c000 returned -22 binder: 11095:11098 transaction failed 29189/-22, size 0-0 line 2788 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 audit: type=1326 audit(1517488587.884:736): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=11094 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488587.884:737): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=11094 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=39 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488587.884:738): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=11094 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488587.884:739): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=11094 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488587.884:740): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=11094 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=101 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488587.884:741): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=11094 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488587.884:742): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=11094 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 binder_alloc: binder_alloc_mmap_handler: 11149 20000000-20002000 already mapped failed -16 binder: 11229:11235 ERROR: BC_REGISTER_LOOPER called without request binder: 11229:11235 BC_INCREFS_DONE uffffffffffffffff no match binder: 11235 RLIMIT_NICE not set binder: 11235 RLIMIT_NICE not set binder: 11235 RLIMIT_NICE not set binder_alloc: 11229: binder_alloc_buf, no vma binder: 11229:11235 transaction failed 29189/-3, size 0-16 line 2903 binder: send failed reply for transaction 29 to 11229:11251 binder_alloc: binder_alloc_mmap_handler: 11229 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 11229:11251 ERROR: BC_REGISTER_LOOPER called without request binder: 11229:11251 BC_INCREFS_DONE uffffffffffffffff no match binder: 11229:11235 ioctl 40046207 0 returned -16 binder_alloc: 11229: binder_alloc_buf, no vma binder: 11229:11264 transaction failed 29189/-3, size 0-0 line 2903 binder: 11229:11264 got reply transaction with no transaction stack binder: 11229:11264 transaction failed 29201/-71, size 0-16 line 2703 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29190 binder: undelivered TRANSACTION_ERROR: 29189 binder: 11364:11372 got reply transaction with bad transaction stack, transaction 34 has target 11364:0 binder: 11364:11372 transaction failed 29201/-71, size 0-0 line 2718 binder: BINDER_SET_CONTEXT_MGR already set binder: 11364:11383 ioctl 40046207 0 returned -16 binder_alloc: 11364: binder_alloc_buf, no vma binder: 11364:11372 transaction failed 29189/-3, size 40-0 line 2903 binder: 11364:11383 got reply transaction with no transaction stack binder: 11364:11383 transaction failed 29201/-71, size 0-0 line 2703 binder_alloc: 11364: binder_alloc_buf, no vma binder: 11396:11401 transaction failed 29189/-3, size 24-0 line 2903 binder_alloc: 11364: binder_alloc_buf, no vma binder: 11396:11407 transaction failed 29189/-3, size 24-0 line 2903 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 11364:11372 transaction 34 out, still active binder: undelivered TRANSACTION_ERROR: 29201 binder: send failed reply for transaction 34, target dead binder: 11429:11445 got reply transaction with bad transaction stack, transaction 41 has target 11429:0 binder: 11429:11445 transaction failed 29201/-71, size 0-0 line 2718 binder: BINDER_SET_CONTEXT_MGR already set binder: 11429:11464 ioctl 40046207 0 returned -16 binder_alloc: 11429: binder_alloc_buf, no vma binder: 11429:11464 got reply transaction with no transaction stack binder: 11429:11464 transaction failed 29201/-71, size 0-0 line 2703 binder: 11429:11445 transaction failed 29189/-3, size 0-0 line 2903 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: release 11429:11445 transaction 41 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: send failed reply for transaction 41, target dead atomic_op 000000003599fa54 conn xmit_atomic (null) atomic_op 00000000905df4ee conn xmit_atomic (null) rfkill: input handler disabled rfkill: input handler enabled device eql entered promiscuous mode binder: BINDER_SET_CONTEXT_MGR already set binder: 11862:11868 ioctl 40046207 0 returned -16 binder: 11862:11868 BC_FREE_BUFFER u0000000020000000 matched unreturned buffer binder: BINDER_SET_CONTEXT_MGR already set binder: 11862:11876 ioctl 40046207 0 returned -16 binder_alloc: 11862: binder_alloc_buf, no vma binder: BINDER_SET_CONTEXT_MGR already set binder: 11862:11876 ioctl 40046207 0 returned -16 binder: 11862:11885 BC_FREE_BUFFER u0000000020000000 no match binder: 11862:11868 transaction failed 29189/-3, size 0-0 line 2903 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 11862:11868 transaction 46 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 46, target dead netlink: 'syz-executor5': attribute type 17 has an invalid length. netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 'syz-executor5': attribute type 17 has an invalid length. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1025 sclass=netlink_route_socket pig=11932 comm=syz-executor4 netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. handle_userfault: 135 callbacks suppressed FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 11955 Comm: syz-executor7 Not tainted 4.15.0+ #290 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+0x194/0x257 lib/dump_stack.c:53 handle_userfault+0xbd9/0x2500 fs/userfaultfd.c:430 do_anonymous_page mm/memory.c:3153 [inline] handle_pte_fault mm/memory.c:3967 [inline] __handle_mm_fault+0x32a3/0x3ce0 mm/memory.c:4093 handle_mm_fault+0x38f/0x930 mm/memory.c:4130 __do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1426 do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1501 page_fault+0x2c/0x60 arch/x86/entry/entry_64.S:1261 RIP: 0010:fault_in_pages_readable include/linux/pagemap.h:601 [inline] RIP: 0010:iov_iter_fault_in_readable+0x1a7/0x410 lib/iov_iter.c:421 RSP: 0018:ffff8801b5d87928 EFLAGS: 00010246 RAX: 0000000000010000 RBX: 0000000020011fd2 RCX: ffffffff825adc81 RDX: 0000000000000100 RSI: ffffc90003060000 RDI: ffff8801b5d87d28 RBP: ffff8801b5d87a08 R08: 0000000000000000 R09: 1ffff10036bb0ed1 R10: ffff8801b5d87858 R11: ffff8801af9db6d0 R12: 1ffff10036bb0f28 R13: ffff8801b5d879e0 R14: 0000000000000000 R15: ffff8801b5d87d20 generic_perform_write+0x200/0x600 mm/filemap.c:3128 __generic_file_write_iter+0x366/0x5b0 mm/filemap.c:3263 generic_file_write_iter+0x399/0x790 mm/filemap.c:3291 call_write_iter include/linux/fs.h:1781 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x684/0x970 fs/read_write.c:482 vfs_write+0x189/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xef/0x220 fs/read_write.c:581 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f1aa81a6c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: 0000000000000030 RSI: 0000000020011fd2 RDI: 0000000000000015 RBP: 00000000000003d6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4cb0 R13: 00000000ffffffff R14: 00007f1aa81a76d4 R15: 0000000000000000 audit: type=1400 audit(1517488591.642:875): avc: denied { setfcap } for pid=12010 comm="syz-executor0" capability=31 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 device eql entered promiscuous mode netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 12027 Comm: syz-executor7 Not tainted 4.15.0+ #290 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+0x194/0x257 lib/dump_stack.c:53 handle_userfault+0xbd9/0x2500 fs/userfaultfd.c:430 do_anonymous_page mm/memory.c:3153 [inline] handle_pte_fault mm/memory.c:3967 [inline] __handle_mm_fault+0x32a3/0x3ce0 mm/memory.c:4093 handle_mm_fault+0x38f/0x930 mm/memory.c:4130 __do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1426 do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1501 page_fault+0x2c/0x60 arch/x86/entry/entry_64.S:1261 RIP: 0010:fault_in_pages_readable include/linux/pagemap.h:601 [inline] RIP: 0010:iov_iter_fault_in_readable+0x1a7/0x410 lib/iov_iter.c:421 RSP: 0018:ffff8801ce247928 EFLAGS: 00010246 RAX: 0000000000010000 RBX: 0000000020011fd2 RCX: ffffffff825adc81 RDX: 0000000000000100 RSI: ffffc90003060000 RDI: ffff8801ce247d28 RBP: ffff8801ce247a08 R08: 0000000000000000 R09: 1ffff10039c48ed1 R10: ffff8801ce247858 R11: ffff8801d03121a0 R12: 1ffff10039c48f28 R13: ffff8801ce2479e0 R14: 0000000000000000 R15: ffff8801ce247d20 generic_perform_write+0x200/0x600 mm/filemap.c:3128 __generic_file_write_iter+0x366/0x5b0 mm/filemap.c:3263 generic_file_write_iter+0x399/0x790 mm/filemap.c:3291 call_write_iter include/linux/fs.h:1781 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x684/0x970 fs/read_write.c:482 vfs_write+0x189/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xef/0x220 fs/read_write.c:581 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f1aa81a6c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: 0000000000000030 RSI: 0000000020011fd2 RDI: 0000000000000015 RBP: 00000000000003f6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4fb0 R13: 00000000ffffffff R14: 00007f1aa81a76d4 R15: 0000000000000000 netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1025 sclass=netlink_route_socket pig=12080 comm=syz-executor4 Bearer <> rejected, not supported in standalone mode Bearer <> rejected, not supported in standalone mode Protocol error: SET target dimension is over the limit! RDS: rds_bind could not find a transport for 224.0.0.2, load rds_tcp or rds_rdma? Protocol error: SET target dimension is over the limit! device eql entered promiscuous mode audit: type=1326 audit(1517488592.965:876): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=12324 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488592.969:877): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=12324 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=257 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488592.969:878): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=12324 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488592.970:879): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=12324 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=16 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488592.970:880): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=12324 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488592.971:881): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=12324 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=39 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488592.971:882): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=12324 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=8 sclass=netlink_xfrm_socket pig=12355 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=8 sclass=netlink_xfrm_socket pig=12368 comm=syz-executor4 QAT: Invalid ioctl device eql entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl sctp: [Deprecated]: syz-executor5 (pid 12515) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor5 (pid 12516) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead device eql entered promiscuous mode binder: release 12780:12789 transaction 49 out, still active binder: send failed reply for transaction 49, target dead binder: send failed reply for transaction 51 to 12780:12789 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 12857 Comm: syz-executor6 Not tainted 4.15.0+ #290 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+0x194/0x257 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3538 getname_flags+0xcb/0x580 fs/namei.c:138 getname+0x19/0x20 fs/namei.c:209 SYSC_execve fs/exec.c:1928 [inline] SyS_execve+0x1f/0x50 fs/exec.c:1923 do_syscall_64+0x273/0x920 arch/x86/entry/common.c:285 entry_SYSCALL64_slow_path+0x25/0x25 RIP: 0033:0x453299 RSP: 002b:00007fe4c71cbc58 EFLAGS: 00000212 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: 0000000020148ffc RSI: 0000000020f86000 RDI: 0000000020f61ff8 RBP: 0000000000000077 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006efbc8 R13: 0000000000000014 R14: 00007fe4c71cc6d4 R15: ffffffffffffffff SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12939 comm=syz-executor6 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12948 comm=syz-executor6 ieee80211 phy4: Selected rate control algorithm 'minstrel_ht' ieee80211 phy5: Selected rate control algorithm 'minstrel_ht' xt_hashlimit: overflow, rate too high: 0 kauditd_printk_skb: 105 callbacks suppressed audit: type=1326 audit(1517488596.684:988): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13172 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488596.686:989): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13172 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488596.687:990): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13172 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=257 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488596.687:991): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13172 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488596.687:992): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13172 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488596.689:993): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13172 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=47 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488596.689:994): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13172 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488596.690:995): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13172 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488596.690:996): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13172 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=318 compat=0 ip=0x453299 code=0x7ffc0000 audit: type=1326 audit(1517488596.690:997): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13172 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000 xt_hashlimit: overflow, rate too high: 0