====================================================== WARNING: possible circular locking dependency detected 4.15.0-rc2+ #117 Not tainted ------------------------------------------------------ syz-executor1/12876 is trying to acquire lock: (console_lock){+.+.}, at: [<00000000475e0ef1>] vcs_read+0x129/0xae0 drivers/tty/vt/vc_screen.c:219 but task is already holding lock: (&pipe->mutex/1){+.+.}, at: [<00000000d606aa1e>] pipe_lock_nested fs/pipe.c:67 [inline] (&pipe->mutex/1){+.+.}, at: [<00000000d606aa1e>] pipe_lock+0x56/0x70 fs/pipe.c:75 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&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 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 -> #2 (sb_writers){.+.+}: spin_lock include/linux/spinlock.h:315 [inline] dont_mount include/linux/dcache.h:355 [inline] vfs_unlink+0x2a2/0x480 fs/namei.c:3980 -> #1 ((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_create_groups_vargs+0x1f3/0x250 drivers/base/core.c:2430 device_create_vargs drivers/base/core.c:2470 [inline] device_create+0xda/0x110 drivers/base/core.c:2506 vcs_make_sysfs+0x35/0x60 drivers/tty/vt/vc_screen.c:629 vc_allocate+0x4b7/0x6b0 drivers/tty/vt/vt.c:797 con_install+0x52/0x440 drivers/tty/vt/vt.c:2876 tty_driver_install_tty drivers/tty/tty_io.c:1215 [inline] tty_init_dev+0xf6/0x4a0 drivers/tty/tty_io.c:1315 tty_open_by_driver drivers/tty/tty_io.c:1942 [inline] tty_open+0x608/0xab0 drivers/tty/tty_io.c:1990 chrdev_open+0x257/0x730 fs/char_dev.c:417 do_dentry_open+0x682/0xd70 fs/open.c:752 vfs_open+0x107/0x230 fs/open.c:866 do_last fs/namei.c:3379 [inline] path_openat+0x1157/0x3530 fs/namei.c:3519 do_filp_open+0x25b/0x3b0 fs/namei.c:3554 do_sys_open+0x502/0x6d0 fs/open.c:1059 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 entry_SYSCALL_64_fastpath+0x1f/0x96 -> #0 (console_lock){+.+.}: 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 console_lock+0x4b/0x80 kernel/printk/printk.c:2047 vcs_read+0x129/0xae0 drivers/tty/vt/vc_screen.c:219 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 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 other info that might help us debug this: Chain exists of: console_lock --> sb_writers --> &pipe->mutex/1 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&pipe->mutex/1); lock(sb_writers); lock(&pipe->mutex/1); lock(console_lock); *** DEADLOCK *** 1 lock held by syz-executor1/12876: #0: (&pipe->mutex/1){+.+.}, at: [<00000000d606aa1e>] pipe_lock_nested fs/pipe.c:67 [inline] #0: (&pipe->mutex/1){+.+.}, at: [<00000000d606aa1e>] pipe_lock+0x56/0x70 fs/pipe.c:75 stack backtrace: CPU: 1 PID: 12876 Comm: syz-executor1 Not tainted 4.15.0-rc2+ #117 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 console_lock+0x4b/0x80 kernel/printk/printk.c:2047 vcs_read+0x129/0xae0 drivers/tty/vt/vc_screen.c:219 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 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7fbbc79 RSP: 002b:00000000f77b708c EFLAGS: 00000296 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 0000000000000000 RDX: 0000000000000019 RSI: 0000000000000000 RDI: 0000000000000056 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 QAT: Invalid ioctl QAT: Invalid ioctl sctp: [Deprecated]: syz-executor2 (pid 12994) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead QAT: Invalid ioctl sctp: [Deprecated]: syz-executor2 (pid 12994) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl sctp: [Deprecated]: syz-executor2 (pid 13058) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl sctp: [Deprecated]: syz-executor2 (pid 13058) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead QAT: Invalid ioctl QAT: Invalid ioctl device gre0 entered promiscuous mode sctp: [Deprecated]: syz-executor2 (pid 13118) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead QAT: Invalid ioctl sctp: [Deprecated]: syz-executor2 (pid 13118) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor2 (pid 13162) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor2 (pid 13162) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor2 (pid 13218) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sock: process `syz-executor6' is using obsolete setsockopt SO_BSDCOMPAT sctp: [Deprecated]: syz-executor2 (pid 13218) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 13638 Comm: syz-executor4 Not tainted 4.15.0-rc2+ #117 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. 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:421 [inline] slab_alloc mm/slab.c:3371 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3545 getname_flags+0xcb/0x580 fs/namei.c:138 getname+0x19/0x20 fs/namei.c:209 do_sys_open+0x2e7/0x6d0 fs/open.c:1053 C_SYSC_open fs/open.c:1096 [inline] compat_SyS_open+0x2a/0x40 fs/open.c:1094 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7fd0c79 RSP: 002b:00000000f77cbfd4 EFLAGS: 00000296 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 00000000f77cc00c RCX: 0000000000000002 RDX: 00000000081101a8 RSI: 000000000000056e RDI: 00000000f77cc08c RBP: 00000000081101a8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 13823 Comm: syz-executor6 Not tainted 4.15.0-rc2+ #117 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:421 [inline] slab_alloc mm/slab.c:3371 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3545 getname_flags+0xcb/0x580 fs/namei.c:138 getname+0x19/0x20 fs/namei.c:209 do_sys_open+0x2e7/0x6d0 fs/open.c:1053 C_SYSC_open fs/open.c:1096 [inline] compat_SyS_open+0x2a/0x40 fs/open.c:1094 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7f18c79 RSP: 002b:00000000f7713fd4 EFLAGS: 00000296 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 00000000f771400c RCX: 0000000000000002 RDX: 00000000081101a8 RSI: 000000000000056e RDI: 00000000f771408c RBP: 00000000081101a8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 13837 Comm: syz-executor6 Not tainted 4.15.0-rc2+ #117 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:421 [inline] slab_alloc mm/slab.c:3371 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3545 kmem_cache_zalloc include/linux/slab.h:678 [inline] get_empty_filp+0xfb/0x4f0 fs/file_table.c:123 path_openat+0xed/0x3530 fs/namei.c:3496 do_filp_open+0x25b/0x3b0 fs/namei.c:3554 do_sys_open+0x502/0x6d0 fs/open.c:1059 C_SYSC_open fs/open.c:1096 [inline] compat_SyS_open+0x2a/0x40 fs/open.c:1094 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7f18c79 RSP: 002b:00000000f7713fd4 EFLAGS: 00000296 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 00000000f771400c RCX: 0000000000000002 RDX: 00000000081101a8 RSI: 000000000000056e RDI: 00000000f771408c RBP: 00000000081101a8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 13839 Comm: syz-executor6 Not tainted 4.15.0-rc2+ #117 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:421 [inline] slab_alloc mm/slab.c:3371 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3545 kmem_cache_zalloc include/linux/slab.h:678 [inline] get_empty_filp+0xfb/0x4f0 fs/file_table.c:123 path_openat+0xed/0x3530 fs/namei.c:3496 do_filp_open+0x25b/0x3b0 fs/namei.c:3554 do_sys_open+0x502/0x6d0 fs/open.c:1059 C_SYSC_open fs/open.c:1096 [inline] compat_SyS_open+0x2a/0x40 fs/open.c:1094 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7f18c79 RSP: 002b:00000000f7713fd4 EFLAGS: 00000296 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 00000000f771400c RCX: 0000000000000002 RDX: 00000000081101a8 RSI: 000000000000056e RDI: 00000000f771408c RBP: 00000000081101a8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 13854 Comm: syz-executor6 Not tainted 4.15.0-rc2+ #117 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:421 [inline] slab_alloc mm/slab.c:3371 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3545 kmem_cache_zalloc include/linux/slab.h:678 [inline] file_alloc_security security/selinux/hooks.c:369 [inline] selinux_file_alloc_security+0xae/0x190 security/selinux/hooks.c:3454 security_file_alloc+0x6d/0xa0 security/security.c:873 get_empty_filp+0x189/0x4f0 fs/file_table.c:129 path_openat+0xed/0x3530 fs/namei.c:3496 do_filp_open+0x25b/0x3b0 fs/namei.c:3554 do_sys_open+0x502/0x6d0 fs/open.c:1059 C_SYSC_open fs/open.c:1096 [inline] compat_SyS_open+0x2a/0x40 fs/open.c:1094 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7f18c79 RSP: 002b:00000000f7713fd4 EFLAGS: 00000296 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 00000000f771400c RCX: 0000000000000002 RDX: 00000000081101a8 RSI: 000000000000056e RDI: 00000000f771408c RBP: 00000000081101a8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 CPU: 0 PID: 13812 Comm: syz-executor5 Not tainted 4.15.0-rc2+ #117 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:421 [inline] slab_alloc mm/slab.c:3371 [inline] __do_kmalloc mm/slab.c:3709 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3726 memdup_user+0x2c/0x90 mm/util.c:164 map_update_elem kernel/bpf/syscall.c:634 [inline] SYSC_bpf kernel/bpf/syscall.c:1714 [inline] SyS_bpf+0x1ca5/0x4410 kernel/bpf/syscall.c:1685 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7fa6c79 RSP: 002b:00000000f77a208c EFLAGS: 00000296 ORIG_RAX: 0000000000000165 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 000000002051e000 RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 13875 Comm: syz-executor6 Not tainted 4.15.0-rc2+ #117 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:421 [inline] slab_alloc mm/slab.c:3371 [inline] kmem_cache_alloc_trace+0x4b/0x750 mm/slab.c:3611 kmalloc include/linux/slab.h:499 [inline] proc_thread_self_get_link+0x184/0x1e0 fs/proc/thread_self.c:21 get_link fs/namei.c:1048 [inline] link_path_walk+0x1033/0x1470 fs/namei.c:2119 path_openat+0x2c2/0x3530 fs/namei.c:3519 do_filp_open+0x25b/0x3b0 fs/namei.c:3554 do_sys_open+0x502/0x6d0 fs/open.c:1059 C_SYSC_open fs/open.c:1096 [inline] compat_SyS_open+0x2a/0x40 fs/open.c:1094 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7f18c79 RSP: 002b:00000000f7713fd4 EFLAGS: 00000296 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 00000000f771400c RCX: 0000000000000002 RDX: 00000000081101a8 RSI: 000000000000056e RDI: 00000000f771408c RBP: 00000000081101a8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 sctp_getsockopt_delayed_ack: 28 callbacks suppressed sctp: [Deprecated]: syz-executor2 (pid 13882) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 13894 Comm: syz-executor6 Not tainted 4.15.0-rc2+ #117 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:421 [inline] slab_alloc mm/slab.c:3371 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3545 proc_alloc_inode+0x1b/0x190 fs/proc/inode.c:62 alloc_inode+0x65/0x180 fs/inode.c:208 new_inode_pseudo+0x69/0x190 fs/inode.c:890 new_inode+0x1c/0x40 fs/inode.c:919 proc_pid_make_inode+0x25/0x210 fs/proc/base.c:1744 proc_pident_instantiate+0x80/0x290 fs/proc/base.c:2405 proc_pident_lookup+0x19e/0x200 fs/proc/base.c:2454 proc_tid_base_lookup+0x29/0x30 fs/proc/base.c:3388 lookup_slow+0x274/0x490 fs/namei.c:1655 walk_component+0x89f/0x13d0 fs/namei.c:1784 link_path_walk+0xd4e/0x1470 fs/namei.c:2113 path_openat+0x2c2/0x3530 fs/namei.c:3519 do_filp_open+0x25b/0x3b0 fs/namei.c:3554 do_sys_open+0x502/0x6d0 fs/open.c:1059 C_SYSC_open fs/open.c:1096 [inline] compat_SyS_open+0x2a/0x40 fs/open.c:1094 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7f18c79 RSP: 002b:00000000f7713fd4 EFLAGS: 00000296 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 00000000f771400c RCX: 0000000000000002 RDX: 00000000081101a8 RSI: 000000000000056e RDI: 00000000f771408c RBP: 00000000081101a8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 13904 Comm: syz-executor6 Not tainted 4.15.0-rc2+ #117 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:421 [inline] slab_alloc mm/slab.c:3371 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3545 kmem_cache_zalloc include/linux/slab.h:678 [inline] inode_alloc_security security/selinux/hooks.c:234 [inline] selinux_inode_alloc_security+0xf9/0x390 security/selinux/hooks.c:2885 security_inode_alloc+0x90/0xd0 security/security.c:437 inode_init_always+0x653/0xca0 fs/inode.c:167 alloc_inode+0x82/0x180 fs/inode.c:215 new_inode_pseudo+0x69/0x190 fs/inode.c:890 new_inode+0x1c/0x40 fs/inode.c:919 proc_pid_make_inode+0x25/0x210 fs/proc/base.c:1744 proc_pident_instantiate+0x80/0x290 fs/proc/base.c:2405 proc_pident_lookup+0x19e/0x200 fs/proc/base.c:2454 proc_tid_base_lookup+0x29/0x30 fs/proc/base.c:3388 lookup_slow+0x274/0x490 fs/namei.c:1655 walk_component+0x89f/0x13d0 fs/namei.c:1784 link_path_walk+0xd4e/0x1470 fs/namei.c:2113 path_openat+0x2c2/0x3530 fs/namei.c:3519 do_filp_open+0x25b/0x3b0 fs/namei.c:3554 do_sys_open+0x502/0x6d0 fs/open.c:1059 C_SYSC_open fs/open.c:1096 [inline] compat_SyS_open+0x2a/0x40 fs/open.c:1094 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7f18c79 RSP: 002b:00000000f7713fd4 EFLAGS: 00000296 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 00000000f771400c RCX: 0000000000000002 RDX: 00000000081101a8 RSI: 000000000000056e RDI: 00000000f771408c RBP: 00000000081101a8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 sctp: [Deprecated]: syz-executor2 (pid 13892) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 13916 Comm: syz-executor6 Not tainted 4.15.0-rc2+ #117 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:421 [inline] slab_alloc mm/slab.c:3371 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3545 kmem_cache_zalloc include/linux/slab.h:678 [inline] inode_alloc_security security/selinux/hooks.c:234 [inline] selinux_inode_alloc_security+0xf9/0x390 security/selinux/hooks.c:2885 security_inode_alloc+0x90/0xd0 security/security.c:437 inode_init_always+0x653/0xca0 fs/inode.c:167 alloc_inode+0x82/0x180 fs/inode.c:215 new_inode_pseudo+0x69/0x190 fs/inode.c:890 new_inode+0x1c/0x40 fs/inode.c:919 proc_pid_make_inode+0x25/0x210 fs/proc/base.c:1744 proc_pident_instantiate+0x80/0x290 fs/proc/base.c:2405 proc_pident_lookup+0x19e/0x200 fs/proc/base.c:2454 proc_tid_base_lookup+0x29/0x30 fs/proc/base.c:3388 lookup_slow+0x274/0x490 fs/namei.c:1655 walk_component+0x89f/0x13d0 fs/namei.c:1784 link_path_walk+0xd4e/0x1470 fs/namei.c:2113 path_openat+0x2c2/0x3530 fs/namei.c:3519 do_filp_open+0x25b/0x3b0 fs/namei.c:3554 do_sys_open+0x502/0x6d0 fs/open.c:1059 C_SYSC_open fs/open.c:1096 [inline] compat_SyS_open+0x2a/0x40 fs/open.c:1094 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7f18c79 RSP: 002b:00000000f7713fd4 EFLAGS: 00000296 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 00000000f771400c RCX: 0000000000000002 RDX: 00000000081101a8 RSI: 000000000000056e RDI: 00000000f771408c RBP: 00000000081101a8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 13935 Comm: syz-executor6 Not tainted 4.15.0-rc2+ #117 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 sctp: [Deprecated]: syz-executor2 (pid 13952) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor2 (pid 13952) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3371 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3545 proc_alloc_inode+0x1b/0x190 fs/proc/inode.c:62 alloc_inode+0x65/0x180 fs/inode.c:208 new_inode_pseudo+0x69/0x190 fs/inode.c:890 new_inode+0x1c/0x40 fs/inode.c:919 proc_pid_make_inode+0x25/0x210 fs/proc/base.c:1744 proc_ns_instantiate+0x4c/0x100 fs/proc/namespaces.c:97 proc_ns_dir_lookup+0x198/0x1e0 fs/proc/namespaces.c:170 QAT: Invalid ioctl lookup_open+0xad9/0x1900 fs/namei.c:3179 do_last fs/namei.c:3291 [inline] path_openat+0x184b/0x3530 fs/namei.c:3519 QAT: Invalid ioctl do_filp_open+0x25b/0x3b0 fs/namei.c:3554 do_sys_open+0x502/0x6d0 fs/open.c:1059 C_SYSC_open fs/open.c:1096 [inline] compat_SyS_open+0x2a/0x40 fs/open.c:1094 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7f18c79 RSP: 002b:00000000f7713fd4 EFLAGS: 00000296 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 00000000f771400c RCX: 0000000000000002 RDX: 00000000081101a8 RSI: 000000000000056e RDI: 00000000f771408c RBP: 00000000081101a8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 sctp: [Deprecated]: syz-executor2 (pid 14006) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor2 (pid 14006) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead QAT: Invalid ioctl QAT: Invalid ioctl sctp: [Deprecated]: syz-executor2 (pid 14069) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor2 (pid 14069) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14118 Comm: syz-executor1 Not tainted 4.15.0-rc2+ #117 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:421 [inline] slab_alloc_node mm/slab.c:3292 [inline] kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3635 __alloc_skb+0xf1/0x780 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:983 [inline] alloc_skb_with_frags+0x10d/0x750 net/core/skbuff.c:5142 sock_alloc_send_pskb+0x787/0x9b0 net/core/sock.c:2078 packet_alloc_skb net/packet/af_packet.c:2802 [inline] packet_snd net/packet/af_packet.c:2893 [inline] packet_sendmsg+0x1e9e/0x6060 net/packet/af_packet.c:2968 sock_sendmsg_nosec net/socket.c:632 [inline] sock_sendmsg+0xca/0x110 net/socket.c:642 SYSC_sendto+0x358/0x5a0 net/socket.c:1749 SyS_sendto+0x40/0x50 net/socket.c:1717 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7fbbc79 RSP: 002b:00000000f77b708c EFLAGS: 00000296 ORIG_RAX: 0000000000000171 RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00000000207c8fc9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000206adfec RBP: 0000000000000014 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 sctp: [Deprecated]: syz-executor2 (pid 14124) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14148 Comm: syz-executor1 Not tainted 4.15.0-rc2+ #117 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:421 [inline] slab_alloc_node mm/slab.c:3292 [inline] kmem_cache_alloc_node_trace+0x5a/0x760 mm/slab.c:3654 __do_kmalloc_node mm/slab.c:3674 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3689 __kmalloc_reserve.isra.41+0x41/0xd0 net/core/skbuff.c:137 __alloc_skb+0x13b/0x780 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:983 [inline] alloc_skb_with_frags+0x10d/0x750 net/core/skbuff.c:5142 sock_alloc_send_pskb+0x787/0x9b0 net/core/sock.c:2078 packet_alloc_skb net/packet/af_packet.c:2802 [inline] packet_snd net/packet/af_packet.c:2893 [inline] packet_sendmsg+0x1e9e/0x6060 net/packet/af_packet.c:2968 sock_sendmsg_nosec net/socket.c:632 [inline] sock_sendmsg+0xca/0x110 net/socket.c:642 SYSC_sendto+0x358/0x5a0 net/socket.c:1749 SyS_sendto+0x40/0x50 net/socket.c:1717 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7fbbc79 RSP: 002b:00000000f77b708c EFLAGS: 00000296 ORIG_RAX: 0000000000000171 RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00000000207c8fc9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000206adfec RBP: 0000000000000014 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 sctp: [Deprecated]: syz-executor2 (pid 14194) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead