binder: 5072:5074 ERROR: BC_REGISTER_LOOPER called without request ===================================== [ BUG: bad unlock balance detected! ] 4.9.67-gf26d3c7 #106 Not tainted ------------------------------------- syz-executor2/5096 is trying to release lock ([ 48.582634] binder: release 5072:5074 transaction 12 in, still active binder: send failed reply for transaction 12 to 5072:5095 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 mrt_lock) at: but there are no more locks to release! other info that might help us debug this: 2 locks held by syz-executor2/5096: #0: (&f->f_pos_lock){+.+.+.}, at: [] __fdget_pos+0x9f/0xc0 fs/file.c:781 #1: (&p->lock){+.+.+.}, at: [] seq_read+0xdd/0x1290 fs/seq_file.c:178 stack backtrace: CPU: 0 PID: 5096 Comm: syz-executor2 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c83578e8 ffffffff81d906e9 ffffffff849ae8f8 ffff8801c8348000 ffffffff834dec54 ffffffff849ae8f8 ffff8801c8348888 ffff8801c8357918 ffffffff812353f4 dffffc0000000000 ffffffff849ae8f8 00000000ffffffff Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] print_unlock_imbalance_bug+0x174/0x1a0 kernel/locking/lockdep.c:3398 [] __lock_release kernel/locking/lockdep.c:3540 [inline] [] lock_release+0x6f8/0xb80 kernel/locking/lockdep.c:3775 [] __raw_read_unlock include/linux/rwlock_api_smp.h:225 [inline] [] _raw_read_unlock+0x1a/0x50 kernel/locking/spinlock.c:255 [] ipmr_mfc_seq_stop+0xe4/0x140 net/ipv6/ip6mr.c:553 [] seq_read+0xa83/0x1290 fs/seq_file.c:283 [] proc_reg_read+0xef/0x170 fs/proc/inode.c:202 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] do_readv+0xe6/0x250 fs/read_write.c:924 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 [] entry_SYSCALL_64_fastpath+0x23/0xc6 binder: 5072:5074 ioctl 40046205 6 returned -22 binder: 5072:5095 ioctl 40046205 0 returned -22 binder: 5072:5095 ERROR: BC_REGISTER_LOOPER called without request binder: 5072:5095 ioctl c0306201 20008fd0 returned -11 binder: release 5072:5074 transaction 14 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 14, target dead device lo entered promiscuous mode sg_write: data in/out 327644/32 bytes for SCSI command 0x4-- guessing data in; program syz-executor7 not setting count and/or reply_len properly nla_parse: 19 callbacks suppressed netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'. binder: 5223:5224 ERROR: BC_REGISTER_LOOPER called without request netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'. binder: 5223:5224 got reply with fd, 20, but target does not allow fds binder: 5223:5224 transaction failed 29201/-1, size 24-8 line 3235 binder: send failed reply for transaction 16 to 5223:5234 binder: 5223:5234 ERROR: BC_REGISTER_LOOPER called without request binder: BINDER_SET_CONTEXT_MGR already set binder: 5223:5224 ioctl 40046207 0 returned -16 binder_alloc: 5223: binder_alloc_buf, no vma binder: 5223:5234 transaction failed 29189/-3, size 0-0 line 3130 binder: 5223:5245 got reply transaction with no transaction stack binder: 5223:5245 transaction failed 29201/-71, size 24-8 line 2923 binder: undelivered TRANSACTION_ERROR: 29201 binder: 5250:5251 ioctl 8924 20002000 returned -22 binder_alloc: 5250: binder_alloc_buf, no vma binder: 5250:5251 transaction failed 29189/-3, size 68719476736-0 line 3130 binder: 5238:5248 ioctl 540f 2034cffc returned -22 binder: undelivered TRANSACTION_ERROR: 29190 binder: undelivered TRANSACTION_ERROR: 29201 binder: 5250:5253 ioctl 8924 20002000 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 5250:5251 ioctl 40046207 0 returned -16 binder_alloc: 5250: binder_alloc_buf, no vma binder: 5250:5253 transaction failed 29189/-3, size 68719476736-0 line 3130 binder: BINDER_SET_CONTEXT_MGR already set binder: 5238:5248 ioctl 40046207 0 returned -16 binder: 5238:5264 ioctl 540f 2034cffc returned -22 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in; program syz-executor4 not setting count and/or reply_len properly IPVS: length: 9 != 8 IPVS: length: 9 != 8 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4864 sclass=netlink_route_socket pig=5450 comm=syz-executor0 sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in; program syz-executor6 not setting count and/or reply_len properly SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4864 sclass=netlink_route_socket pig=5470 comm=syz-executor0 device gre0 entered promiscuous mode device gre0 left promiscuous mode device gre0 entered promiscuous mode netlink: 4 bytes leftover after parsing attributes in process `syz-executor1'. binder: 5604:5605 unknown command 0 binder: 5604:5605 ioctl c0306201 2000a000 returned -22 binder: 5604:5605 BC_FREE_BUFFER u0000000000000000 no match netlink: 4 bytes leftover after parsing attributes in process `syz-executor1'. binder: 5604:5605 ERROR: BC_REGISTER_LOOPER called without request loop_reread_partitions: partition scan of loop0 (2°]€fI¸Òæ¶Ì”B±!S,›ùDÏ') failed (rc=-13) binder: BINDER_SET_CONTEXT_MGR already set netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. binder: 5604:5632 ioctl 40046207 0 returned -16 binder: 5604:5605 unknown command 0 binder: 5604:5605 ioctl c0306201 2000a000 returned -22 binder_alloc: 5604: binder_alloc_buf, no vma binder: 5604:5653 transaction failed 29189/-3, size 24-8 line 3130 netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. loop_reread_partitions: partition scan of loop0 () failed (rc=-13) binder: undelivered transaction 26, process died. syz-executor0 (5676): /proc/5675/oom_adj is deprecated, please use /proc/5675/oom_score_adj instead. device lo entered promiscuous mode device gre0 entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=28815 sclass=netlink_route_socket pig=5784 comm=syz-executor6 device lo left promiscuous mode device syz2 entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=28815 sclass=netlink_route_socket pig=5784 comm=syz-executor6 binder: 5804:5813 not enough space to store 0 fds in buffer tc_dump_action: action bad kind binder: 5804:5813 transaction failed 29201/-22, size 72-32 line 3272 binder: BINDER_SET_CONTEXT_MGR already set binder: 5804:5831 ioctl 40046207 0 returned -16 binder_alloc: 5804: binder_alloc_buf, no vma binder: 5804:5813 transaction failed 29189/-3, size 72-32 line 3130 tc_dump_action: action bad kind netlink: 5 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor6'. Option ' device gre0 entered promiscuous mode Option ' device gre0 entered promiscuous mode keychord: using input dev AT Translated Set 2 keyboard for fevent device gre0 entered promiscuous mode device gre0 entered promiscuous mode binder: 6198:6199 ioctl 85 20416000 returned -22 binder: 6198:6199 ioctl c018620b 20236fe8 returned -14 binder: 6198:6199 unknown command 0 binder: 6198:6199 ioctl c0306201 20000fd0 returned -22 binder: 6198:6201 ioctl 85 20416000 returned -22 binder: 6198:6201 ioctl c018620b 20236fe8 returned -14 binder: 6198:6201 unknown command 0 binder: 6198:6201 ioctl c0306201 20000fd0 returned -22 binder: 6274:6278 ioctl 8918 20ad9000 returned -22 binder: 6274:6278 ioctl 8924 20002000 returned -22 binder: 6274:6278 ERROR: BC_REGISTER_LOOPER called without request binder: 6274:6278 ioctl 8918 20ad9000 returned -22 blk_update_request: I/O error, dev loop0, sector 0 binder: 6274:6291 ioctl 8924 20002000 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 6274:6291 ERROR: BC_REGISTER_LOOPER called without request binder: 6274:6278 ioctl 40046207 0 returned -16 binder: release 6274:6278 transaction 33 in, still active binder: send failed reply for transaction 33 to 6274:6291 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 blk_update_request: I/O error, dev loop0, sector 0 device syz4 entered promiscuous mode IPVS: Creating netns size=2536 id=11 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=11857 sclass=netlink_route_socket pig=6409 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=11857 sclass=netlink_route_socket pig=6415 comm=syz-executor0 pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads device gre0 entered promiscuous mode device gre0 entered promiscuous mode 9pnet_virtio: no channels available for device H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H 9pnet_virtio: no channels available for device H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H nla_parse: 9 callbacks suppressed netlink: 7 bytes leftover after parsing attributes in process `syz-executor0'. device gre0 entered promiscuous mode netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'. IPVS: Creating netns size=2536 id=12 netlink: 7 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'. pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads device gre0 entered promiscuous mode 9pnet_virtio: no channels available for device ûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûû 9pnet_virtio: no channels available for device ûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûûû IPVS: Creating netns size=2536 id=13 pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads IPVS: Creating netns size=2536 id=14 pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 netlink: 11 bytes leftover after parsing attributes in process `syz-executor0'. pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads netlink: 11 bytes leftover after parsing attributes in process `syz-executor0'. FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 6897 Comm: syz-executor6 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a55b78c0 ffffffff81d906e9 ffff8801a55b7ba0 0000000000000000 ffff8801c770f010 ffff8801a55b7a90 ffff8801c770ef00 ffff8801a55b7ab8 ffffffff8165e307 0000000000000000 ffff8801a55b7a10 00000001d1adb067 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 6862 Comm: syz-executor6 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a83e7710 ffffffff81d906e9 ffff8801a83e79f0 0000000000000000 ffff8801c770f010 ffff8801a83e78e0 ffff8801c770ef00 ffff8801a83e7908 ffffffff8165e307 ffff8801d007b080 ffff8801a83e7860 00000001d1adb067 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] SYSC_select fs/select.c:652 [inline] [] SyS_select+0x158/0x1e0 fs/select.c:634 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 6875 Comm: syz-executor6 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a73878c0 ffffffff81d906e9 ffff8801a7387ba0 0000000000000000 ffff8801c770f010 ffff8801a7387a90 ffff8801c770ef00 ffff8801a7387ab8 ffffffff8165e307 0000000000000000 ffff8801a7387a10 00000001d1adb067 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 IPv6: Can't replace route, no match found IPv6: Can't replace route, no match found netlink: 3865 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 3865 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. CPU: 0 PID: 6887 Comm: syz-executor6 Not tainted 4.9.67-gf26d3c7 #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d989f830 ffffffff81d906e9 ffff8801d989fb10 0000000000000000 ffff8801c770f010 ffff8801d989fa00 ffff8801c770ef00 ffff8801d989fa28 ffffffff8165e307 ffff8801db321400 ffff8801d989f980 00000001d1adb067 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] SYSC_mq_timedreceive ipc/mqueue.c:1092 [inline] [] SyS_mq_timedreceive+0xcd/0xdb0 ipc/mqueue.c:1077 [] entry_SYSCALL_64_fastpath+0x23/0xc6 sd 0:0:1:0: [sg0] tag#369 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#369 CDB: opcode=0xff (vendor) sd 0:0:1:0: [sg0] tag#369 CDB[00]: ff ff ff ff 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#369 CDB[10]: 00 00 00 00 10 27 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#369 CDB[20]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#369 CDB[30]: 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#369 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#369 CDB: opcode=0xff (vendor) sd 0:0:1:0: [sg0] tag#369 CDB[00]: ff ff ff ff 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#369 CDB[10]: 00 00 00 00 10 27 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#369 CDB[20]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#369 CDB[30]: 00 00 00 00 00 00 00 00 00 00 00 00 binder: 7028:7031 Acquire 1 refcount change on invalid ref 0 ret -22 binder: 7028:7031 Release 1 refcount change on invalid ref 0 ret -22 binder: 7028:7031 transaction failed 29189/-22, size 24-8 line 3007 binder: 7028:7031 Acquire 1 refcount change on invalid ref 0 ret -22 IPVS: Creating netns size=2536 id=15