====================================================== binder: 7532:7533 ERROR: BC_REGISTER_LOOPER called without request binder: 7533 RLIMIT_NICE not set QAT: Invalid ioctl WARNING: possible circular locking dependency detected 4.15.0-rc2-mm1+ #39 Not tainted ------------------------------------------------------ syz-executor0/7514 is trying to acquire lock: (&tty->ldisc_sem){++++}, at: [<0000000053f52737>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 but task is already holding lock: (&pipe->mutex/1){+.+.}, at: [<0000000072df94e4>] pipe_lock_nested fs/pipe.c:67 [inline] (&pipe->mutex/1){+.+.}, at: [<0000000072df94e4>] pipe_lock+0x56/0x70 fs/pipe.c:75 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #6 (&pipe->mutex/1){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 __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 pipe_lock_nested fs/pipe.c:67 [inline] pipe_lock+0x56/0x70 fs/pipe.c:75 iter_file_splice_write+0x264/0xf30 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+0x7d5/0x1630 fs/splice.c:1382 entry_SYSCALL_64_fastpath+0x1f/0x96 -> #5 (sb_writers){.+.+}: spin_lock include/linux/spinlock.h:315 [inline] d_alloc+0xdd/0x340 fs/dcache.c:1688 __lookup_hash+0x58/0x190 fs/namei.c:1527 filename_create+0x1c7/0x520 fs/namei.c:3644 kern_path_create+0x33/0x40 fs/namei.c:3684 handle_create+0xc0/0x760 drivers/base/devtmpfs.c:203 -> #4 ((completion)&req.done){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 complete_acquire include/linux/completion.h:40 [inline] __wait_for_common kernel/sched/completion.c:109 [inline] wait_for_common kernel/sched/completion.c:123 [inline] wait_for_completion+0xcb/0x7b0 kernel/sched/completion.c:144 devtmpfs_create_node+0x32b/0x4a0 drivers/base/devtmpfs.c:115 device_add+0x120f/0x1640 drivers/base/core.c:1824 device_register+0x1d/0x20 drivers/base/core.c:1905 tty_register_device_attr+0x422/0x740 drivers/tty/tty_io.c:2956 tty_port_register_device_attr_serdev+0x100/0x140 drivers/tty/tty_port.c:166 uart_add_one_port+0xa7a/0x15a0 drivers/tty/serial/serial_core.c:2783 serial8250_register_8250_port+0xfac/0x1990 drivers/tty/serial/8250/8250_core.c:1045 serial_pnp_probe+0x5e7/0xac0 drivers/tty/serial/8250/8250_pnp.c:480 pnp_device_probe+0x15f/0x250 drivers/pnp/driver.c:109 really_probe drivers/base/dd.c:424 [inline] driver_probe_device+0x71b/0xae0 drivers/base/dd.c:566 __driver_attach+0x181/0x1c0 drivers/base/dd.c:800 bus_for_each_dev+0x154/0x1e0 drivers/base/bus.c:313 driver_attach+0x3d/0x50 drivers/base/dd.c:819 bus_add_driver+0x466/0x620 drivers/base/bus.c:669 driver_register+0x1bf/0x3c0 drivers/base/driver.c:168 pnp_register_driver+0x75/0xa0 drivers/pnp/driver.c:272 serial8250_pnp_init+0x15/0x20 drivers/tty/serial/8250/8250_pnp.c:537 serial8250_init+0x8f/0x270 drivers/tty/serial/8250/8250_core.c:1122 do_one_initcall+0x9e/0x330 init/main.c:833 do_initcall_level init/main.c:899 [inline] do_initcalls init/main.c:907 [inline] do_basic_setup init/main.c:925 [inline] kernel_init_freeable+0x469/0x521 init/main.c:1073 kernel_init+0x13/0x172 init/main.c:1000 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:524 -> #3 (&port->mutex){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 __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 uart_set_termios+0x8f/0x5b0 drivers/tty/serial/serial_core.c:1416 tty_set_termios+0x6d4/0xa40 drivers/tty/tty_ioctl.c:334 set_termios+0x377/0x6b0 drivers/tty/tty_ioctl.c:414 tty_mode_ioctl+0x9fb/0xb10 drivers/tty/tty_ioctl.c:749 n_tty_ioctl_helper+0x40/0x360 drivers/tty/tty_ioctl.c:940 n_tty_ioctl+0x148/0x2d0 drivers/tty/n_tty.c:2435 tty_ioctl+0x32e/0x1600 drivers/tty/tty_io.c:2638 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x1f/0x96 -> #2 (&tty->termios_rwsem){++++}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 down_write+0x87/0x120 kernel/locking/rwsem.c:70 n_tty_flush_buffer+0x21/0x320 drivers/tty/n_tty.c:357 tty_buffer_flush+0x29a/0x390 drivers/tty/tty_buffer.c:233 tty_ldisc_flush+0x25/0x70 drivers/tty/tty_ldisc.c:418 tty_port_close_start.part.4+0x1cd/0x4e0 drivers/tty/tty_port.c:603 tty_port_close_start drivers/tty/tty_port.c:646 [inline] tty_port_close+0x3f/0x80 drivers/tty/tty_port.c:640 uart_close+0x77/0x1d0 drivers/tty/serial/serial_core.c:1487 tty_release+0x446/0x14c0 drivers/tty/tty_io.c:1639 __fput+0x333/0x7f0 fs/file_table.c:210 ____fput+0x15/0x20 fs/file_table.c:244 task_work_run+0x199/0x270 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x275/0x2f0 arch/x86/entry/common.c:165 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath+0x490/0x550 arch/x86/entry/common.c:264 entry_SYSCALL_64_fastpath+0x94/0x96 -> #1 (&buf->lock){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 __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 tty_buffer_flush+0xbd/0x390 drivers/tty/tty_buffer.c:222 tty_ldisc_flush+0x25/0x70 drivers/tty/tty_ldisc.c:418 tty_port_close_start.part.4+0x1cd/0x4e0 drivers/tty/tty_port.c:603 tty_port_close_start drivers/tty/tty_port.c:646 [inline] tty_port_close+0x3f/0x80 drivers/tty/tty_port.c:640 uart_close+0x77/0x1d0 drivers/tty/serial/serial_core.c:1487 tty_release+0x446/0x14c0 drivers/tty/tty_io.c:1639 __fput+0x333/0x7f0 fs/file_table.c:210 ____fput+0x15/0x20 fs/file_table.c:244 task_work_run+0x199/0x270 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x275/0x2f0 arch/x86/entry/common.c:165 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath+0x490/0x550 arch/x86/entry/common.c:264 entry_SYSCALL_64_fastpath+0x94/0x96 -> #0 (&tty->ldisc_sem){++++}: check_prevs_add kernel/locking/lockdep.c:2031 [inline] validate_chain kernel/locking/lockdep.c:2473 [inline] __lock_acquire+0x3498/0x47f0 kernel/locking/lockdep.c:3500 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 __ldsem_down_read_nested+0xd1/0xa90 drivers/tty/tty_ldsem.c:325 ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 tty_ldisc_ref_wait+0x25/0x80 drivers/tty/tty_ldisc.c:277 tty_read+0xf8/0x250 drivers/tty/tty_io.c:852 do_loop_readv_writev fs/read_write.c:673 [inline] do_iter_read+0x3db/0x5b0 fs/read_write.c:897 vfs_readv+0x121/0x1c0 fs/read_write.c:959 kernel_readv fs/splice.c:361 [inline] default_file_splice_read+0x508/0xae0 fs/splice.c:416 do_splice_to+0x110/0x170 fs/splice.c:880 do_splice fs/splice.c:1173 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x11a8/0x1630 fs/splice.c:1382 entry_SYSCALL_64_fastpath+0x1f/0x96 other info that might help us debug this: Chain exists of: &tty->ldisc_sem --> sb_writers --> &pipe->mutex/1 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&pipe->mutex/1); lock(sb_writers); lock(&pipe->mutex/1); lock(&tty->ldisc_sem); *** DEADLOCK *** 1 lock held by syz-executor0/7514: #0: (&pipe->mutex/1){+.+.}, at: [<0000000072df94e4>] pipe_lock_nested fs/pipe.c:67 [inline] #0: (&pipe->mutex/1){+.+.}, at: [<0000000072df94e4>] pipe_lock+0x56/0x70 fs/pipe.c:75 stack backtrace: CPU: 1 PID: 7514 Comm: syz-executor0 Not tainted 4.15.0-rc2-mm1+ #39 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+0x42d/0x610 kernel/locking/lockdep.c:1271 check_prev_add+0x666/0x15f0 kernel/locking/lockdep.c:1914 check_prevs_add kernel/locking/lockdep.c:2031 [inline] validate_chain kernel/locking/lockdep.c:2473 [inline] __lock_acquire+0x3498/0x47f0 kernel/locking/lockdep.c:3500 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 __ldsem_down_read_nested+0xd1/0xa90 drivers/tty/tty_ldsem.c:325 ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 tty_ldisc_ref_wait+0x25/0x80 drivers/tty/tty_ldisc.c:277 tty_read+0xf8/0x250 drivers/tty/tty_io.c:852 do_loop_readv_writev fs/read_write.c:673 [inline] do_iter_read+0x3db/0x5b0 fs/read_write.c:897 vfs_readv+0x121/0x1c0 fs/read_write.c:959 kernel_readv fs/splice.c:361 [inline] default_file_splice_read+0x508/0xae0 fs/splice.c:416 do_splice_to+0x110/0x170 fs/splice.c:880 do_splice fs/splice.c:1173 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x11a8/0x1630 fs/splice.c:1382 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:00007ffbd027ec58 EFLAGS: 00000212 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 00007ffbd027f700 RCX: 0000000000452a39 RDX: 0000000000000017 RSI: 0000000000000000 RDI: 0000000000000014 RBP: 0000000000a6f880 R08: 0000000000000200 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000 R13: 0000000000a6f7ff R14: 00007ffbd027f9c0 R15: 0000000000000002 sg_write: data in/out 1562545402/1 bytes for SCSI command 0x0-- guessing data in; program syz-executor7 not setting count and/or reply_len properly binder: release 7532:7533 transaction 74 out, still active binder: undelivered TRANSACTION_COMPLETE binder: BINDER_SET_CONTEXT_MGR already set binder: 7551:7553 ioctl 40046207 0 returned -16 binder: 7551:7553 ERROR: BC_REGISTER_LOOPER called without request binder: 7553 RLIMIT_NICE not set binder_alloc: 7532: binder_alloc_buf, no vma binder: 7551:7553 transaction failed 29189/-3, size 0-0 line 2947 sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in; program syz-executor7 not setting count and/or reply_len properly binder: 7551:7553 got transaction to invalid handle binder: 7551:7553 transaction failed 29201/-22, size 48-8 line 2832 binder_alloc: binder_alloc_mmap_handler: 7551 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 7551:7553 ioctl 40046207 0 returned -16 binder: 7551:7553 ERROR: BC_REGISTER_LOOPER called without request binder: 7553 RLIMIT_NICE not set binder_alloc: 7532: binder_alloc_buf, no vma binder: 7551:7553 transaction failed 29189/-3, size 0-0 line 2947 binder: 7551:7553 got transaction to invalid handle binder: 7551:7553 transaction failed 29201/-22, size 48-8 line 2832 QAT: Invalid ioctl sg_write: data in/out 1562545402/1 bytes for SCSI command 0x0-- guessing data in; program syz-executor7 not setting count and/or reply_len properly sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in; program syz-executor7 not setting count and/or reply_len properly netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 9 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 9 bytes leftover after parsing attributes in process `syz-executor0'. binder: send failed reply for transaction 74, target dead binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 kauditd_printk_skb: 18 callbacks suppressed audit: type=1400 audit(1513064482.056:329): avc: denied { create } for pid=7674 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_iscsi_socket permissive=1 audit: type=1400 audit(1513064482.181:330): avc: denied { create } for pid=7707 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_rdma_socket permissive=1 QAT: Invalid ioctl QAT: Invalid ioctl Disabled LAPIC found during irq injection audit: type=1400 audit(1513064482.541:331): avc: denied { connect } for pid=7802 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 QAT: Invalid ioctl QAT: Invalid ioctl nla_parse: 2 callbacks suppressed netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. audit: type=1400 audit(1513064483.264:332): avc: denied { map } for pid=7919 comm="syz-executor1" path="/dev/usbmon0" dev="devtmpfs" ino=8869 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:usbmon_device_t:s0 tclass=chr_file permissive=1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7934 comm=syz-executor1 audit: type=1400 audit(1513064483.416:333): avc: denied { map } for pid=7919 comm="syz-executor1" path="socket:[25836]" dev="sockfs" ino=25836 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_route_socket permissive=1 dccp_v4_rcv: dropped packet with invalid checksum dccp_v4_rcv: dropped packet with invalid checksum netlink: 6 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor1'. binder: 7994:8014 got reply transaction with no transaction stack binder: 7994:8014 transaction failed 29201/-71, size 32-8 line 2747 binder: 7994:8034 got new transaction with bad transaction stack, transaction 83 has target 7994:0 binder: 7994:8034 transaction failed 29201/-71, size 0-0 line 2859 binder: release 7994:8034 transaction 83 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: 7994:8034 DecRefs 0 refcount change on invalid ref 0 ret -22 binder: send failed reply for transaction 83, target dead QAT: Invalid ioctl binder: 7994:8014 got reply transaction with no transaction stack binder: 7994:8014 transaction failed 29201/-71, size 32-8 line 2747 binder: 7994:8034 got new transaction with bad transaction stack, transaction 88 has target 7994:0 binder: 7994:8034 transaction failed 29201/-71, size 0-0 line 2859 binder: 7994:8014 DecRefs 0 refcount change on invalid ref 0 ret -22 mmap: syz-executor2 (8056): VmData 15966208 exceed data ulimit 6. Update limits or use boot option ignore_rlimit_data. QAT: Invalid ioctl binder: BINDER_SET_CONTEXT_MGR already set binder: 8051:8071 ioctl 40046207 0 returned -16 QAT: Invalid ioctl device gre0 entered promiscuous mode QAT: Invalid ioctl binder: release 7994:8034 transaction 88 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: send failed reply for transaction 88, target dead TCP: request_sock_TCPv6: Possible SYN flooding on port 20022. Sending cookies. Check SNMP counters. audit: type=1326 audit(1513064484.158:334): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8137 comm="syz-executor7" exe="/root/syz-executor7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000 audit: type=1400 audit(1513064484.232:335): avc: denied { create } for pid=8158 comm="syz-executor0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_connector_socket permissive=1 audit: type=1400 audit(1513064484.235:336): avc: denied { prog_load } for pid=8165 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 audit: type=1326 audit(1513064484.420:337): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8212 comm="syz-executor7" exe="/root/syz-executor7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000 audit: type=1326 audit(1513064484.559:338): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8212 comm="syz-executor7" exe="/root/syz-executor7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000 netlink: 2 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor4'. QAT: Invalid ioctl QAT: Invalid ioctl device lo entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl device lo entered promiscuous mode IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready binder: 8428:8430 ioctl 894b 207ab000 returned -22 binder: 8428:8430 ERROR: BC_REGISTER_LOOPER called without request binder: 8430 RLIMIT_NICE not set binder: 8428:8437 got reply transaction with bad transaction stack, transaction 91 has target 8428:0 binder: 8428:8437 transaction failed 29201/-71, size 24-8 line 2762 binder: 8428:8442 ioctl 894b 207ab000 returned -22 binder: 8428:8442 ERROR: BC_REGISTER_LOOPER called without request binder: 8442 RLIMIT_NICE not set binder: BINDER_SET_CONTEXT_MGR already set binder: 8428:8437 ioctl 40046207 0 returned -16 binder_alloc: 8428: binder_alloc_buf, no vma binder: 8428:8437 transaction failed 29189/-3, size 0-0 line 2947 binder: 8430 RLIMIT_NICE not set binder: release 8428:8430 transaction 91 in, still active binder: send failed reply for transaction 91 to 8428:8437 binder: undelivered TRANSACTION_COMPLETE skbuff: bad partial csum: csum=53081/14726 len=2273 skbuff: bad partial csum: csum=53081/14726 len=2273 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl device lo left promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl kvm: emulating exchange as write device gre0 entered promiscuous mode device eql entered promiscuous mode kauditd_printk_skb: 9 callbacks suppressed audit: type=1400 audit(1513064487.120:348): avc: denied { connect } for pid=8874 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode audit: type=1400 audit(1513064487.445:349): avc: denied { attach_queue } for pid=8949 comm="syz-executor3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=tun_socket permissive=1 binder: 9012:9013 ERROR: BC_REGISTER_LOOPER called without request binder: 9013 RLIMIT_NICE not set binder: 9013 RLIMIT_NICE not set binder: 9013 RLIMIT_NICE not set binder: 9012:9013 ioctl c0306201 2000dfd0 returned -14 binder: BINDER_SET_CONTEXT_MGR already set binder: 9012:9022 ioctl 40046207 0 returned -16 binder: 9012:9013 ERROR: BC_REGISTER_LOOPER called without request binder: 9013 RLIMIT_NICE not set binder_alloc: 9012: binder_alloc_buf, no vma binder: 9012:9052 transaction failed 29189/-3, size 0-0 line 2947 binder: 9012:9013 got reply transaction with no transaction stack binder: 9012:9013 transaction failed 29201/-71, size 32-8 line 2747 binder: 9012:9013 ioctl c0306201 2000dfd0 returned -14 audit: type=1400 audit(1513064487.706:350): avc: denied { dyntransition } for pid=9056 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0,c1 tclass=process permissive=1 audit: type=1400 audit(1513064487.776:351): avc: denied { dac_override } for pid=9056 comm="syz-executor2" capability=1 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0,c1 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0,c1 tclass=cap_userns permissive=1 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 96, process died. device gre0 entered promiscuous mode sctp: [Deprecated]: syz-executor0 (pid 9106) Use of int in maxseg socket option. Use struct sctp_assoc_value instead audit: type=1400 audit(1513064488.076:352): avc: denied { accept } for pid=9168 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 nla_parse: 8 callbacks suppressed netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'. audit: type=1400 audit(1513064488.078:353): avc: denied { net_admin } for pid=9168 comm="syz-executor2" capability=12 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 audit: type=1400 audit(1513064488.093:354): avc: denied { dac_read_search } for pid=9182 comm="syz-executor0" capability=2 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 audit: type=1400 audit(1513064488.112:355): avc: denied { ipc_owner } for pid=9182 comm="syz-executor0" capability=15 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 netlink: 25 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 25 bytes leftover after parsing attributes in process `syz-executor3'. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9220 Comm: syz-executor4 Not tainted 4.15.0-rc2-mm1+ #39 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:425 [inline] slab_alloc mm/slab.c:3372 [inline] __do_kmalloc mm/slab.c:3710 [inline] __kmalloc+0x63/0x760 mm/slab.c:3721 kmalloc include/linux/slab.h:521 [inline] kzalloc include/linux/slab.h:705 [inline] rds_message_alloc+0xb1/0x330 net/rds/message.c:202 rds_sendmsg+0xb52/0x1f90 net/rds/send.c:1086 sock_sendmsg_nosec net/socket.c:636 [inline] sock_sendmsg+0xca/0x110 net/socket.c:646 SYSC_sendto+0x358/0x5a0 net/socket.c:1727 SyS_sendto+0x40/0x50 net/socket.c:1695 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:00007fa0da329c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fa0da329aa0 RCX: 0000000000452a39 RDX: 0000000000000000 RSI: 0000000020fbffff RDI: 0000000000000013 RBP: 00007fa0da329a90 R08: 0000000020fc9000 R09: 0000000000000010 R10: 0008000000000000 R11: 0000000000000212 R12: 00000000004b75fb R13: 00007fa0da329bc8 R14: 00000000004b75fb R15: 0000000000000000 audit: type=1400 audit(1513064488.367:356): avc: denied { dac_override } for pid=9208 comm="syz-executor2" capability=1 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 audit: type=1400 audit(1513064488.481:357): avc: denied { net_raw } for pid=9239 comm="syz-executor6" capability=13 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 netlink: 17 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 17 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor0'. device gre0 left promiscuous mode RDS: rds_bind could not find a transport for 172.20.4.170, load rds_tcp or rds_rdma? tmpfs: Bad mount option ÅPY—g!¼äê tmpfs: Bad mount option ÅPY—g!¼äê device gre0 entered promiscuous mode netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. device gre0 entered promiscuous mode RDS: rds_bind could not find a transport for 0.0.0.2, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 0.0.0.2, load rds_tcp or rds_rdma?