possible deadlock in tty_port_tty

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	possible deadlock in tty_port_tty_get serial	C			22661	532d	734d	22/28	fixed on 2023/06/08 14:41
upstream	possible deadlock in tty_port_tty_get (2) bpf net				3	177d	195d	25/28	fixed on 2024/05/22 23:36

RBP: 00007f00b54291d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc2805941f R14: 00007f00b5429300 R15: 0000000000022000 CPU: 0 PID: 14129 Comm: syz-executor.4 Not tainted 4.14.305-syzkaller #0 ====================================================== WARNING: possible circular locking dependency detected 4.14.305-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.0/14130 is trying to acquire lock: (console_owner){....}, at: [<ffffffff8144195a>] console_trylock_spinning kernel/printk/printk.c:1660 [inline] (console_owner){....}, at: [<ffffffff8144195a>] vprintk_emit+0x32a/0x620 kernel/printk/printk.c:1924 but task is already holding lock: (&(&port->lock)->rlock){-.-.}, at: [<ffffffff83560b1b>] tty_insert_flip_string_and_push_buffer+0x2b/0x160 drivers/tty/tty_buffer.c:569 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&(&port->lock)->rlock){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:160 tty_port_tty_get+0x1d/0x80 drivers/tty/tty_port.c:288 tty_port_default_wakeup+0x11/0x40 drivers/tty/tty_port.c:46 serial8250_tx_chars+0x3fe/0xc70 drivers/tty/serial/8250/8250_port.c:1828 serial8250_handle_irq.part.0+0x2c7/0x390 drivers/tty/serial/8250/8250_port.c:1918 serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1891 [inline] serial8250_default_handle_irq+0x8a/0x1f0 drivers/tty/serial/8250/8250_port.c:1934 serial8250_interrupt+0xf3/0x210 drivers/tty/serial/8250/8250_core.c:129 __handle_irq_event_percpu+0xee/0x7f0 kernel/irq/handle.c:147 handle_irq_event_percpu kernel/irq/handle.c:187 [inline] handle_irq_event+0xed/0x240 kernel/irq/handle.c:204 handle_edge_irq+0x224/0xc40 kernel/irq/chip.c:770 generic_handle_irq_desc include/linux/irqdesc.h:159 [inline] handle_irq+0x35/0x50 arch/x86/kernel/irq_64.c:87 do_IRQ+0x93/0x1d0 arch/x86/kernel/irq.c:230 ret_from_intr+0x0/0x1e native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline] default_idle+0x47/0x370 arch/x86/kernel/process.c:558 cpuidle_idle_call kernel/sched/idle.c:156 [inline] do_idle+0x250/0x3c0 kernel/sched/idle.c:246 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:351 start_kernel+0x743/0x763 init/main.c:712 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #1 (&port_lock_key){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:160 serial8250_console_write+0x8cb/0xb40 drivers/tty/serial/8250/8250_port.c:3281 call_console_drivers kernel/printk/printk.c:1727 [inline] console_unlock+0x99d/0xf20 kernel/printk/printk.c:2409 vprintk_emit+0x224/0x620 kernel/printk/printk.c:1925 vprintk_func+0x58/0x160 kernel/printk/printk_safe.c:409 printk+0x9e/0xbc kernel/printk/printk.c:1998 register_console+0x6f4/0xad0 kernel/printk/printk.c:2728 univ8250_console_init+0x2f/0x3a drivers/tty/serial/8250/8250_core.c:691 console_init+0x46/0x53 kernel/printk/printk.c:2809 start_kernel+0x521/0x763 init/main.c:638 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #0 (console_owner){....}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 console_trylock_spinning kernel/printk/printk.c:1681 [inline] vprintk_emit+0x367/0x620 kernel/printk/printk.c:1924 vprintk_func+0x58/0x160 kernel/printk/printk_safe.c:409 printk+0x9e/0xbc kernel/printk/printk.c:1998 fail_dump lib/fault-inject.c:44 [inline] should_fail.cold+0xdf/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x6d/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc+0xc0/0x270 drivers/tty/tty_buffer.c:169 __tty_buffer_request_room+0x12c/0x290 drivers/tty/tty_buffer.c:268 tty_insert_flip_string_fixed_flag+0x8b/0x210 drivers/tty/tty_buffer.c:313 tty_insert_flip_string include/linux/tty_flip.h:36 [inline] tty_insert_flip_string_and_push_buffer+0x3e/0x160 drivers/tty/tty_buffer.c:570 pty_write+0xc3/0xf0 drivers/tty/pty.c:118 tty_send_xchar+0x245/0x360 drivers/tty/tty_io.c:1092 n_tty_ioctl_helper+0x145/0x350 drivers/tty/tty_ioctl.c:926 n_tty_ioctl+0x47/0x2e0 drivers/tty/n_tty.c:2466 tty_ioctl+0x5af/0x1430 drivers/tty/tty_io.c:2670 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 other info that might help us debug this: Chain exists of: console_owner --> &port_lock_key --> &(&port->lock)->rlock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&(&port->lock)->rlock); lock(&port_lock_key); lock(&(&port->lock)->rlock); lock(console_owner); *** DEADLOCK *** 4 locks held by syz-executor.0/14130: #0: (&tty->ldisc_sem){++++}, at: [<ffffffff8355cf92>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 #1: (&tty->atomic_write_lock){+.+.}, at: [<ffffffff8354be65>] tty_write_lock drivers/tty/tty_io.c:885 [inline] #1: (&tty->atomic_write_lock){+.+.}, at: [<ffffffff8354be65>] tty_send_xchar+0x1b5/0x360 drivers/tty/tty_io.c:1086 #2: (&tty->termios_rwsem){++++}, at: [<ffffffff8354be98>] tty_send_xchar+0x1e8/0x360 drivers/tty/tty_io.c:1089 #3: (&(&port->lock)->rlock){-.-.}, at: [<ffffffff83560b1b>] tty_insert_flip_string_and_push_buffer+0x2b/0x160 drivers/tty/tty_buffer.c:569 stack backtrace: CPU: 1 PID: 14130 Comm: syz-executor.0 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 console_trylock_spinning kernel/printk/printk.c:1681 [inline] vprintk_emit+0x367/0x620 kernel/printk/printk.c:1924 vprintk_func+0x58/0x160 kernel/printk/printk_safe.c:409 printk+0x9e/0xbc kernel/printk/printk.c:1998 fail_dump lib/fault-inject.c:44 [inline] should_fail.cold+0xdf/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x6d/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc+0xc0/0x270 drivers/tty/tty_buffer.c:169 __tty_buffer_request_room+0x12c/0x290 drivers/tty/tty_buffer.c:268 tty_insert_flip_string_fixed_flag+0x8b/0x210 drivers/tty/tty_buffer.c:313 tty_insert_flip_string include/linux/tty_flip.h:36 [inline] tty_insert_flip_string_and_push_buffer+0x3e/0x160 drivers/tty/tty_buffer.c:570 pty_write+0xc3/0xf0 drivers/tty/pty.c:118 tty_send_xchar+0x245/0x360 drivers/tty/tty_io.c:1092 n_tty_ioctl_helper+0x145/0x350 drivers/tty/tty_ioctl.c:926 n_tty_ioctl+0x47/0x2e0 drivers/tty/n_tty.c:2466 tty_ioctl+0x5af/0x1430 drivers/tty/tty_io.c:2670 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f00b6eb70f9 RSP: 002b:00007f00b5429168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f00b6fd6f80 RCX: 00007f00b6eb70f9 RDX: 0000000000000002 RSI: 000000000000540a RDI: 0000000000000003 RBP: 00007f00b54291d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc2805941f R14: 00007f00b5429300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x40/0x3c0 mm/slab.c:3550 skb_clone+0x126/0x9a0 net/core/skbuff.c:1291 __netlink_deliver_tap_skb net/netlink/af_netlink.c:268 [inline] __netlink_deliver_tap net/netlink/af_netlink.c:293 [inline] netlink_deliver_tap+0x67e/0x860 net/netlink/af_netlink.c:304 netlink_deliver_tap_kernel net/netlink/af_netlink.c:313 [inline] netlink_unicast_kernel net/netlink/af_netlink.c:1301 [inline] netlink_unicast+0x485/0x610 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x651/0xbc0 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f1cbb1e80f9 RSP: 002b:00007f1cb975a168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f1cbb307f80 RCX: 00007f1cbb1e80f9 RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000003 RBP: 00007f1cb975a1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffed1c48fdf R14: 00007f1cb975a300 R15: 0000000000022000 CPU: 1 PID: 14135 Comm: syz-executor.1 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 anon_vma_chain_alloc mm/rmap.c:130 [inline] __anon_vma_prepare+0x5d/0x510 mm/rmap.c:184 anon_vma_prepare include/linux/rmap.h:157 [inline] do_huge_pmd_anonymous_page+0xd38/0x1700 mm/huge_memory.c:682 create_huge_pmd mm/memory.c:4007 [inline] __handle_mm_fault+0x2ac4/0x4620 mm/memory.c:4210 handle_mm_fault+0x455/0x9c0 mm/memory.c:4276 __do_page_fault+0x549/0xad0 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1126 RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 arch/x86/lib/copy_user_64.S:67 RSP: 0018:ffff888098e1fdf0 EFLAGS: 00050202 RAX: ffffed10131c3fcb RBX: 0000000000000010 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffff888098e1fe48 RDI: 0000000020000340 RBP: ffff888098e1fe48 R08: 0000000000000000 R09: ffffed10131c3fca R10: ffff888098e1fe57 R11: ffff8880b18d4640 R12: 0000000020000340 R13: 00007ffffffff000 R14: 0000000020000350 R15: 0000000000000000 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:112 [inline] _copy_to_user+0xaa/0xd0 lib/usercopy.c:28 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 copy_to_user include/linux/uaccess.h:155 [inline] put_timespec64+0x9e/0xf0 kernel/time/time.c:920 SYSC_clock_gettime kernel/time/posix-timers.c:1075 [inline] SyS_clock_gettime+0x128/0x180 kernel/time/posix-timers.c:1063 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fd8f8b7a0f9 RSP: 002b:00007fd8f70ec168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e4 RAX: ffffffffffffffda RBX: 00007fd8f8c99f80 RCX: 00007fd8f8b7a0f9 RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 RBP: 00007fd8f70ec1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffdc501b0df R14: 00007fd8f70ec300 R15: 0000000000022000 CPU: 0 PID: 14143 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] sock_alloc_inode+0x5f/0x250 net/socket.c:254 alloc_inode+0x5d/0x170 fs/inode.c:209 new_inode_pseudo+0x14/0xe0 fs/inode.c:898 sock_alloc+0x3c/0x270 net/socket.c:569 __sock_create+0x8a/0x620 net/socket.c:1239 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 CPU: 0 PID: 14142 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 socket: no more sockets sk_prot_alloc+0x5f/0x290 net/core/sock.c:1478 sk_alloc+0x36/0xcd0 net/core/sock.c:1538 inet6_create net/ipv6/af_inet6.c:183 [inline] inet6_create+0x2df/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 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: 14182 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 sk_prot_alloc+0x5f/0x290 net/core/sock.c:1478 sk_alloc+0x36/0xcd0 net/core/sock.c:1538 inet6_create net/ipv6/af_inet6.c:183 [inline] inet6_create+0x2df/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 CPU: 1 PID: 14187 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2bc/0x400 mm/slab.c:3735 kmemdup+0x23/0x50 mm/util.c:119 kmemdup include/linux/string.h:449 [inline] dccp_feat_clone_sp_val.part.0+0x4a/0xd0 net/dccp/feat.c:374 dccp_feat_clone_sp_val net/dccp/feat.c:373 [inline] __feat_register_sp+0x19d/0x490 net/dccp/feat.c:738 dccp_feat_init+0x238/0x6b0 net/dccp/feat.c:1464 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 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: 1 PID: 14208 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] dccp_feat_entry_new+0x173/0x350 net/dccp/feat.c:467 dccp_feat_push_change net/dccp/feat.c:487 [inline] __feat_register_sp+0x1c9/0x490 net/dccp/feat.c:741 dccp_feat_init+0x238/0x6b0 net/dccp/feat.c:1464 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 netlink: 44 bytes leftover after parsing attributes in process `syz-executor.4'. R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 CPU: 0 PID: 14213 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2bc/0x400 mm/slab.c:3735 kmemdup+0x23/0x50 mm/util.c:119 kmemdup include/linux/string.h:449 [inline] dccp_feat_clone_sp_val.part.0+0x4a/0xd0 net/dccp/feat.c:374 dccp_feat_clone_sp_val net/dccp/feat.c:373 [inline] __feat_register_sp+0x19d/0x490 net/dccp/feat.c:738 dccp_feat_init+0x238/0x6b0 net/dccp/feat.c:1464 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 CPU: 1 PID: 14230 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2bc/0x400 mm/slab.c:3735 kmemdup+0x23/0x50 mm/util.c:119 kmemdup include/linux/string.h:449 [inline] dccp_feat_clone_sp_val.part.0+0x4a/0xd0 net/dccp/feat.c:374 dccp_feat_clone_sp_val net/dccp/feat.c:373 [inline] __feat_register_sp+0x19d/0x490 net/dccp/feat.c:738 dccp_feat_init+0x266/0x6b0 net/dccp/feat.c:1469 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 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: 1 PID: 14256 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 netlink: 44 bytes leftover after parsing attributes in process `syz-executor.4'. Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] dccp_feat_entry_new+0x173/0x350 net/dccp/feat.c:467 netlink: 44 bytes leftover after parsing attributes in process `syz-executor.4'. dccp_feat_push_change net/dccp/feat.c:487 [inline] __feat_register_sp+0x1c9/0x490 net/dccp/feat.c:741 dccp_feat_init+0x266/0x6b0 net/dccp/feat.c:1469 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 CPU: 0 PID: 14260 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] dccp_feat_entry_new+0x173/0x350 net/dccp/feat.c:467 dccp_feat_push_change net/dccp/feat.c:487 [inline] __feat_register_sp+0x1c9/0x490 net/dccp/feat.c:741 dccp_feat_init+0x238/0x6b0 net/dccp/feat.c:1464 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 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: 1 PID: 14294 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2bc/0x400 mm/slab.c:3735 kmemdup+0x23/0x50 mm/util.c:119 kmemdup include/linux/string.h:449 [inline] dccp_feat_clone_sp_val.part.0+0x4a/0xd0 net/dccp/feat.c:374 dccp_feat_clone_sp_val net/dccp/feat.c:373 [inline] __feat_register_sp+0x19d/0x490 net/dccp/feat.c:738 dccp_feat_init+0x266/0x6b0 net/dccp/feat.c:1469 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 CPU: 0 PID: 14289 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] ccid_get_builtin_ccids+0x6b/0x1c0 net/dccp/ccid.c:54 dccp_feat_init+0x2be/0x6b0 net/dccp/feat.c:1479 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 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: 14318 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] ccid_get_builtin_ccids+0x6b/0x1c0 net/dccp/ccid.c:54 dccp_feat_init+0x2e4/0x6b0 net/dccp/feat.c:1481 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 CPU: 1 PID: 14322 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] dccp_feat_entry_new+0x173/0x350 net/dccp/feat.c:467 dccp_feat_push_change net/dccp/feat.c:487 [inline] __feat_register_sp+0x1c9/0x490 net/dccp/feat.c:741 dccp_feat_init+0x266/0x6b0 net/dccp/feat.c:1469 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14358 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2bc/0x400 mm/slab.c:3735 kmemdup+0x23/0x50 mm/util.c:119 kmemdup include/linux/string.h:449 [inline] dccp_feat_clone_sp_val.part.0+0x4a/0xd0 net/dccp/feat.c:374 dccp_feat_clone_sp_val net/dccp/feat.c:373 [inline] __feat_register_sp+0x19d/0x490 net/dccp/feat.c:738 dccp_feat_init+0x5ce/0x6b0 net/dccp/feat.c:1490 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 CPU: 0 PID: 14357 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] ccid_get_builtin_ccids+0x6b/0x1c0 net/dccp/ccid.c:54 dccp_feat_init+0x2be/0x6b0 net/dccp/feat.c:1479 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 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: 14390 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] dccp_feat_entry_new+0x173/0x350 net/dccp/feat.c:467 dccp_feat_push_change net/dccp/feat.c:487 [inline] __feat_register_sp+0x1c9/0x490 net/dccp/feat.c:741 dccp_feat_init+0x5ce/0x6b0 net/dccp/feat.c:1490 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 CPU: 1 PID: 14394 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] ccid_get_builtin_ccids+0x6b/0x1c0 net/dccp/ccid.c:54 dccp_feat_init+0x2e4/0x6b0 net/dccp/feat.c:1481 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 CPU: 0 PID: 14407 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2bc/0x400 mm/slab.c:3735 kmemdup+0x23/0x50 mm/util.c:119 kmemdup include/linux/string.h:449 [inline] dccp_feat_clone_sp_val.part.0+0x4a/0xd0 net/dccp/feat.c:374 dccp_feat_clone_sp_val net/dccp/feat.c:373 [inline] __feat_register_sp+0x19d/0x490 net/dccp/feat.c:738 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 dccp_feat_init+0x600/0x6b0 net/dccp/feat.c:1494 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 CPU: 1 PID: 14415 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2bc/0x400 mm/slab.c:3735 kmemdup+0x23/0x50 mm/util.c:119 kmemdup include/linux/string.h:449 [inline] dccp_feat_clone_sp_val.part.0+0x4a/0xd0 net/dccp/feat.c:374 dccp_feat_clone_sp_val net/dccp/feat.c:373 [inline] __feat_register_sp+0x19d/0x490 net/dccp/feat.c:738 dccp_feat_init+0x5ce/0x6b0 net/dccp/feat.c:1490 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 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: 14430 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] dccp_feat_entry_new+0x173/0x350 net/dccp/feat.c:467 dccp_feat_push_change net/dccp/feat.c:487 [inline] __feat_register_sp+0x1c9/0x490 net/dccp/feat.c:741 dccp_feat_init+0x600/0x6b0 net/dccp/feat.c:1494 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 CPU: 1 PID: 14443 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] dccp_feat_entry_new+0x173/0x350 net/dccp/feat.c:467 dccp_feat_push_change net/dccp/feat.c:487 [inline] __feat_register_sp+0x1c9/0x490 net/dccp/feat.c:741 dccp_feat_init+0x5ce/0x6b0 net/dccp/feat.c:1490 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14467 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 sock_alloc_inode+0x19/0x250 net/socket.c:251 alloc_inode+0x5d/0x170 fs/inode.c:209 new_inode_pseudo+0x14/0xe0 fs/inode.c:898 sock_alloc+0x3c/0x270 net/socket.c:569 __sock_create+0x8a/0x620 net/socket.c:1239 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 CPU: 0 PID: 14472 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 socket: no more sockets should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2bc/0x400 mm/slab.c:3735 kmemdup+0x23/0x50 mm/util.c:119 kmemdup include/linux/string.h:449 [inline] dccp_feat_clone_sp_val.part.0+0x4a/0xd0 net/dccp/feat.c:374 dccp_feat_clone_sp_val net/dccp/feat.c:373 [inline] __feat_register_sp+0x19d/0x490 net/dccp/feat.c:738 dccp_feat_init+0x600/0x6b0 net/dccp/feat.c:1494 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 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: 14497 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] dccp_feat_entry_new+0x173/0x350 net/dccp/feat.c:467 dccp_feat_push_change net/dccp/feat.c:487 [inline] __feat_register_sp+0x1c9/0x490 net/dccp/feat.c:741 dccp_feat_init+0x600/0x6b0 net/dccp/feat.c:1494 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1387 [inline] SyS_socketpair+0xdf/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 CPU: 1 PID: 14501 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kmalloc include/linux/slab.h:488 [inline] sock_alloc_inode+0x5f/0x250 net/socket.c:254 alloc_inode+0x5d/0x170 fs/inode.c:209 new_inode_pseudo+0x14/0xe0 fs/inode.c:898 sock_alloc+0x3c/0x270 net/socket.c:569 __sock_create+0x8a/0x620 net/socket.c:1239 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 CPU: 0 PID: 14512 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 socket: no more sockets Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 sock_alloc_inode+0x19/0x250 net/socket.c:251 alloc_inode+0x5d/0x170 fs/inode.c:209 new_inode_pseudo+0x14/0xe0 fs/inode.c:898 sock_alloc+0x3c/0x270 net/socket.c:569 __sock_create+0x8a/0x620 net/socket.c:1239 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 socket: no more sockets 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: 14528 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 sk_prot_alloc+0x5f/0x290 net/core/sock.c:1478 sk_alloc+0x36/0xcd0 net/core/sock.c:1538 inet6_create net/ipv6/af_inet6.c:183 [inline] inet6_create+0x2df/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 CPU: 1 PID: 14529 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] sock_alloc_inode+0x5f/0x250 net/socket.c:254 alloc_inode+0x5d/0x170 fs/inode.c:209 new_inode_pseudo+0x14/0xe0 fs/inode.c:898 sock_alloc+0x3c/0x270 net/socket.c:569 __sock_create+0x8a/0x620 net/socket.c:1239 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 socket: no more sockets 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: 14575 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 sk_prot_alloc+0x5f/0x290 net/core/sock.c:1478 sk_alloc+0x36/0xcd0 net/core/sock.c:1538 inet6_create net/ipv6/af_inet6.c:183 [inline] inet6_create+0x2df/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 CPU: 1 PID: 14572 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2bc/0x400 mm/slab.c:3735 kmemdup+0x23/0x50 mm/util.c:119 kmemdup include/linux/string.h:449 [inline] dccp_feat_clone_sp_val.part.0+0x4a/0xd0 net/dccp/feat.c:374 dccp_feat_clone_sp_val net/dccp/feat.c:373 [inline] __feat_register_sp+0x19d/0x490 net/dccp/feat.c:738 dccp_feat_init+0x238/0x6b0 net/dccp/feat.c:1464 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 CPU: 0 PID: 14594 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2bc/0x400 mm/slab.c:3735 kmemdup+0x23/0x50 mm/util.c:119 kmemdup include/linux/string.h:449 [inline] dccp_feat_clone_sp_val.part.0+0x4a/0xd0 net/dccp/feat.c:374 dccp_feat_clone_sp_val net/dccp/feat.c:373 [inline] __feat_register_sp+0x19d/0x490 net/dccp/feat.c:738 dccp_feat_init+0x238/0x6b0 net/dccp/feat.c:1464 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14618 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] dccp_feat_entry_new+0x173/0x350 net/dccp/feat.c:467 dccp_feat_push_change net/dccp/feat.c:487 [inline] __feat_register_sp+0x1c9/0x490 net/dccp/feat.c:741 dccp_feat_init+0x238/0x6b0 net/dccp/feat.c:1464 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 CPU: 0 PID: 14632 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2bc/0x400 mm/slab.c:3735 kmemdup+0x23/0x50 mm/util.c:119 kmemdup include/linux/string.h:449 [inline] dccp_feat_clone_sp_val.part.0+0x4a/0xd0 net/dccp/feat.c:374 dccp_feat_clone_sp_val net/dccp/feat.c:373 [inline] __feat_register_sp+0x19d/0x490 net/dccp/feat.c:738 dccp_feat_init+0x238/0x6b0 net/dccp/feat.c:1464 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 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: 14666 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2bc/0x400 mm/slab.c:3735 kmemdup+0x23/0x50 mm/util.c:119 kmemdup include/linux/string.h:449 [inline] dccp_feat_clone_sp_val.part.0+0x4a/0xd0 net/dccp/feat.c:374 dccp_feat_clone_sp_val net/dccp/feat.c:373 [inline] __feat_register_sp+0x19d/0x490 net/dccp/feat.c:738 dccp_feat_init+0x266/0x6b0 net/dccp/feat.c:1469 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 CPU: 1 PID: 14670 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2bc/0x400 mm/slab.c:3735 kmemdup+0x23/0x50 mm/util.c:119 kmemdup include/linux/string.h:449 [inline] dccp_feat_clone_sp_val.part.0+0x4a/0xd0 net/dccp/feat.c:374 dccp_feat_clone_sp_val net/dccp/feat.c:373 [inline] __feat_register_sp+0x19d/0x490 net/dccp/feat.c:738 dccp_feat_init+0x266/0x6b0 net/dccp/feat.c:1469 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 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: 14732 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] dccp_feat_entry_new+0x173/0x350 net/dccp/feat.c:467 dccp_feat_push_change net/dccp/feat.c:487 [inline] __feat_register_sp+0x1c9/0x490 net/dccp/feat.c:741 dccp_feat_init+0x266/0x6b0 net/dccp/feat.c:1469 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 CPU: 1 PID: 14736 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] dccp_feat_entry_new+0x173/0x350 net/dccp/feat.c:467 dccp_feat_push_change net/dccp/feat.c:487 [inline] __feat_register_sp+0x1c9/0x490 net/dccp/feat.c:741 dccp_feat_init+0x266/0x6b0 net/dccp/feat.c:1469 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 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: 14763 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] ccid_get_builtin_ccids+0x6b/0x1c0 net/dccp/ccid.c:54 dccp_feat_init+0x2be/0x6b0 net/dccp/feat.c:1479 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5257a6d0f9 RSP: 002b:00007f5255fdf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f5257b8cf80 RCX: 00007f5257a6d0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007f5255fdf1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd96ae53df R14: 00007f5255fdf300 R15: 0000000000022000 CPU: 1 PID: 14766 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] ccid_get_builtin_ccids+0x6b/0x1c0 net/dccp/ccid.c:54 dccp_feat_init+0x2be/0x6b0 net/dccp/feat.c:1479 dccp_init_sock+0x2f1/0x3c0 net/dccp/proto.c:205 dccp_v6_init_sock+0x1a/0x80 net/dccp/ipv6.c:1012 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x8f1/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socketpair net/socket.c:1391 [inline] SyS_socketpair+0x159/0x480 net/socket.c:1366 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc9f89890f9 RSP: 002b:00007fc9f6efb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fc9f8aa8f80 RCX: 00007fc9f89890f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000000000000000a RBP: 00007fc9f6efb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffeca7ede1f R14: 00007fc9f6efb300 R15: 0000000000022000 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: 14800 Comm: syz-executor.2 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] ccid_get_builtin_ccids+0x6b/0x1c0 net/dccp/ccid.c:54 dccp_feat_init+0x2e4/0x6b0 net/dccp/feat.c:1481

Crashes (5):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Assets (help?)	Manager	Title
2023/02/16 08:19	linux-4.14.y	a8ad60f2af58	6be0f1f5	.config	console log	report	info	[disk image] [vmlinux] [kernel image]	ci2-linux-4-14	possible deadlock in tty_port_tty_get
2023/01/02 13:49	linux-4.14.y	c4215ee4771b	ab32d508	.config	console log	report	info	[disk image] [vmlinux] [kernel image]	ci2-linux-4-14	possible deadlock in tty_port_tty_get
2022/09/27 16:36	linux-4.14.y	4edbf74132a4	10323ddf	.config	console log	report	info		ci2-linux-4-14	possible deadlock in tty_port_tty_get
2022/08/28 12:20	linux-4.14.y	e548869f356f	07177916	.config	console log	report	info		ci2-linux-4-14	possible deadlock in tty_port_tty_get
2022/08/20 20:11	linux-4.14.y	b641242202ed	26a13b38	.config	console log	report	info		ci2-linux-4-14	possible deadlock in tty_port_tty_get

Crashes (5):

Assets (help?)