last executing test programs: 8.303914492s ago: executing program 2 (id=3): mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) capset(&(0x7f0000000380)={0x20080522}, &(0x7f0000000200)={0x200002, 0x200003, 0x800, 0x4, 0x7}) r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSW2(r0, 0x402c542c, &(0x7f0000000040)={0xfffffff8, 0x40004, 0xfdfbff7d, 0x7, 0x2, "ffffffff99eceffd000000006b00007900", 0xfffffffb, 0x9}) socket$nl_generic(0x10, 0x3, 0x10) syz_ublk_setup_io_uring(0x20, &(0x7f0000000340)={0x0, 0xd40c, 0x1000, 0x40002, 0x1e5}, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x2e, 0x0, 0x0, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x104, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000440)=@new_dev={0x1, 0x3c9, 0x0, 0x0, 0x1000, 0xffffffff, 0x0, 0x0, 0x40}}}, &(0x7f0000000300)=0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = dup(r2) syz_ublk_setup_queues(r3, r1, 0x0, &(0x7f0000000500)=[{0x0, 0x0, 0xffffffffffffffff, {0x0, 0x4704, 0x80000, 0x1000000, 0x33d, 0x0, r3}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0xffffffff, 0x20, 0x0, 0x146}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x6a6c, 0x6449, 0x0, 0xfffffffd, 0x0, r3}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x2, 0x40, 0x2, 0xffffffff}}], 0x1, 0x0, 0x0) 8.278399983s ago: executing program 0 (id=1): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x48001, 0x0) write(r0, &(0x7f0000000140)='1', 0x1) r1 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r1, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10) setsockopt$inet_tcp_int(r1, 0x6, 0x210000000013, &(0x7f00000000c0)=0x100000001, 0x4) connect$inet(r1, &(0x7f0000000180)={0x2, 0x4e21, @local}, 0x10) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100', 0x3) unshare(0x64000600) 8.228190404s ago: executing program 3 (id=4): syz_mount_image$f2fs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x8, &(0x7f00000059c0)=ANY=[], 0x5, 0x5505, &(0x7f0000000340)="$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prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x40000002) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='rdma.current\x00', 0x275a, 0x0) unshare(0x400) fsetxattr(r0, &(0x7f0000000000)=@known='security.selinux\x00', &(0x7f0000000080)=':\x00', 0x1a, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) recvmmsg(r1, &(0x7f0000000040), 0x80002c1, 0x2, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0x40, 0x0) sendmsg$NFQNL_MSG_CONFIG(r3, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x58, 0x2, 0x3, 0x3, 0x0, 0x0, {0x1, 0x0, 0xa}, [@NFQA_CFG_CMD={0x8, 0x1, {0x0, 0x0, 0x1e}}, @NFQA_CFG_PARAMS={0x9, 0x2, {0xef1f, 0x1}}, @NFQA_CFG_FLAGS={0x8, 0x5, 0x1, 0x0, 0x3}, @NFQA_CFG_MASK={0x8, 0x4, 0x1, 0x0, 0x10}, @NFQA_CFG_CMD={0x8, 0x1, {0x3, 0x0, 0x3}}, @NFQA_CFG_MASK={0x8, 0x4, 0x1, 0x0, 0x17}, @NFQA_CFG_QUEUE_MAXLEN={0x8, 0x3, 0x1, 0x0, 0x401}, @NFQA_CFG_MASK={0x8, 0x4, 0x1, 0x0, 0x20}]}, 0x58}, 0x1, 0x0, 0x0, 0x8014}, 0x2004) r4 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1002, 0x12) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x3ffff) syz_open_procfs$userns(0xffffffffffffffff, &(0x7f0000000380)) socket$nl_route(0x10, 0x3, 0x0) write(r4, &(0x7f0000000200)="c7", 0x1) sendfile(r0, r3, 0x0, 0xfffffffffffffff9) 3.216905543s ago: executing program 3 (id=6): r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x202, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000dc0)={0x0, 0x3, 0x1000002, 0x0, 0x1, "d52c2000000102000300ecffffff0100"}) r1 = syz_open_pts(r0, 0x0) ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000000080)=0x6) ioctl$TCFLSH(r1, 0x540b, 0x2) timer_create(0x1, 0x0, &(0x7f0000000080)=0x0) timer_settime(r2, 0x0, &(0x7f0000000280)={{0x0, 0x3938700}, {0x0, 0x3938700}}, 0x0) timer_settime(r2, 0x0, &(0x7f00000001c0), &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/kvm/parameters/nx_huge_pages\x00', 0x2, 0x0) write$selinux_access(r3, &(0x7f0000000200)={'system_u:object_r:adjtime_t:s0', 0x20, '/sbin/dhclient', 0x20, 0x7}, 0x43) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_CT_GET(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x44, 0x1, 0x1, 0xacd294f27ffa9b17, 0x0, 0x0, {0x2, 0x0, 0xfffd}, [@CTA_TUPLE_REPLY={0x24, 0x2, 0x0, 0x1, [@CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x6}}, @CTA_TUPLE_IP={0x14, 0x1, 0x0, 0x1, @ipv4={{0x8, 0x1, @multicast2}, {0x8, 0x2, @rand_addr=0x64010102}}}]}, @CTA_FILTER={0xc, 0x19, 0x0, 0x1, [@CTA_FILTER_REPLY_FLAGS={0x8, 0x2, 0x899}]}]}, 0x44}}, 0x0) 2.178429388s ago: executing program 0 (id=7): mremap(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x3000, 0x3, &(0x7f000084c000/0x3000)=nil) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='pagemap\x00') pread64(r0, &(0x7f0000001240)=""/102400, 0x19000, 0x1000000300) setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000000)={0x1, &(0x7f0000000040)=[{0x20, 0x0, 0x0, 0xfffff010}]}, 0x10) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet_tcp(0x2, 0x1, 0x0) listen(r2, 0x81) getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(r2, 0x6, 0x23, &(0x7f0000000100)={&(0x7f0000fe6000/0x14000)=nil, 0x14000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f0000000400)=0x40) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f00000005c0)={'veth0\x00', &(0x7f0000000580)=@ethtool_cmd={0x21, 0x3, 0x0, 0x7ff, 0x7, 0xe, 0xa, 0x7, 0x5, 0x3, 0x10000, 0x7ff, 0x8a6, 0x6, 0x4, 0x6, [0x7, 0x9ef]}}) r3 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000015c0), 0x2, 0x0) ioctl$VHOST_SET_VRING_BASE(r3, 0xaf01, 0x0) ioctl$VHOST_SET_VRING_ADDR(r3, 0x4028af11, &(0x7f0000000240)={0x0, 0x0, 0x0, &(0x7f0000001780)=""/70, 0x0, 0x9000}) ioctl$VHOST_SET_VRING_ADDR(r3, 0x4028af11, &(0x7f0000000280)={0x1, 0x1, 0x0, &(0x7f00000000c0)=""/87, 0x0, 0x100000}) ioctl$VHOST_SET_MEM_TABLE(r3, 0x4008af03, &(0x7f0000000140)={0x1, 0x0, [{0x3000, 0x1000, &(0x7f0000000400)=""/4096}]}) ioctl$VHOST_VSOCK_SET_RUNNING(r3, 0x4004af61, &(0x7f0000000000)=0x1) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet6_mreq(r4, 0x29, 0x8, 0x0, &(0x7f0000000800)) ioctl$VHOST_SET_FEATURES(r3, 0x4008af00, &(0x7f0000000080)=0x4000000) r5 = openat$null(0xffffffffffffff9c, &(0x7f0000000180), 0x20000, 0x0) ioctl$VHOST_VSOCK_SET_RUNNING(r5, 0x4004af61, &(0x7f00000001c0)=0x1) ioctl$BTRFS_IOC_SUBVOL_GETFLAGS(r3, 0x4008af04, &(0x7f0000000040)) 2.098548s ago: executing program 2 (id=8): r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='blkio.bfq.io_service_bytes\x00', 0x275a, 0x0) ioctl$FS_IOC_RESVSP(r0, 0x4030582b, &(0x7f00000001c0)={0x1100, 0x2, 0x3, 0x9}) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000000180)=0x0) fcntl$setownex(0xffffffffffffffff, 0xf, &(0x7f00000001c0)={0x2, r1}) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.usage_percpu\x00', 0x275a, 0x0) copy_file_range(r2, 0x0, 0xffffffffffffffff, 0x0, 0xffffffffa003e45c, 0x700000000000000) r3 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50) r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000600)={0x1f, 0xd, &(0x7f0000000040)=@framed={{0x18, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x80}, [@call={0x85, 0x0, 0x0, 0xf}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r3}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x8001}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x11}, 0x94) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48) 0s ago: executing program 1 (id=2): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x48001, 0x0) write(r0, &(0x7f0000000140)='1', 0x1) r1 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r1, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10) setsockopt$inet_tcp_int(r1, 0x6, 0x210000000013, &(0x7f00000000c0)=0x100000001, 0x4) connect$inet(r1, &(0x7f0000000180)={0x2, 0x4e21, @local}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, &(0x7f0000000340)=[@window, @mss={0x2, 0x1}, @window, @timestamp, @sack_perm, @timestamp, @timestamp, @sack_perm], 0x2000000000000024) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100', 0x3) unshare(0x64000600) kernel console output (not intermixed with test programs): .785360][ T312] __should_failslab+0xac/0xf0 [ 28.790142][ T312] should_failslab+0x9/0x20 [ 28.794661][ T312] kmem_cache_alloc+0x3b/0x320 [ 28.799451][ T312] getname_flags+0xba/0x510 [ 28.803966][ T312] user_path_at_empty+0x2f/0x1c0 [ 28.808925][ T312] do_readlinkat+0xd9/0x490 [ 28.813455][ T312] ? cp_old_stat+0x4a0/0x4a0 [ 28.818072][ T312] ? debug_smp_processor_id+0x17/0x20 [ 28.823466][ T312] __x64_sys_readlink+0x7f/0x90 [ 28.828334][ T312] x64_sys_call+0x87f/0x9a0 [ 28.832862][ T312] do_syscall_64+0x4c/0xa0 [ 28.837296][ T312] ? clear_bhb_loop+0x30/0x80 [ 28.841993][ T312] ? clear_bhb_loop+0x30/0x80 [ 28.846684][ T312] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.852599][ T312] RIP: 0033:0x7f9be79153a7 [ 28.857032][ T312] Code: 00 00 90 48 83 ec 10 48 63 ff 45 31 c9 45 31 c0 6a 00 31 c9 e8 8a 20 f9 ff 48 83 c4 18 c3 0f 1f 44 00 00 b8 59 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 21 ba 0d 00 f7 d8 64 89 02 48 [ 28.876657][ T312] RSP: 002b:00007ffefab7ac58 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 [ 28.885089][ T312] RAX: ffffffffffffffda RBX: 00007ffefab7b130 RCX: 00007f9be79153a7 [ 28.893083][ T312] RDX: 0000000000000400 RSI: 00007ffefab7ac60 RDI: 00007ffefab7b130 [ 28.901076][ T312] RBP: 00007ffefab7ac60 R08: 0000000000000000 R09: 0000000000000020 [ 28.909063][ T312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000400 [ 28.917046][ T312] R13: 00007ffefab7b965 R14: 00005572f3224ca4 R15: 00005572f3224bcc [ 28.925146][ T312] [ 28.928183][ C0] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 28.935066][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 28.945152][ C0] Call Trace: [ 28.948448][ C0] [ 28.951330][ C0] __dump_stack+0x21/0x24 [ 28.955688][ C0] dump_stack_lvl+0x110/0x170 [ 28.960388][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 28.965428][ C0] ? calc_wheel_index+0x1b5/0x8d0 [ 28.970478][ C0] ? timer_update_keys+0xb0/0xb0 [ 28.975441][ C0] dump_stack+0x15/0x24 [ 28.979620][ C0] should_fail_ex+0x3bf/0x510 [ 28.984315][ C0] __should_failslab+0xac/0xf0 [ 28.989106][ C0] should_failslab+0x9/0x20 [ 28.993635][ C0] kmem_cache_alloc_node+0x42/0x330 [ 28.998939][ C0] ? __alloc_skb+0xe8/0x4a0 [ 29.003455][ C0] __alloc_skb+0xe8/0x4a0 [ 29.007806][ C0] ndisc_send_rs+0x31d/0x870 [ 29.012426][ C0] ? ipv6_get_lladdr+0x1be/0x200 [ 29.017385][ C0] addrconf_rs_timer+0x35a/0x600 [ 29.022340][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 29.027814][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 29.032868][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 29.038427][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 29.043906][ C0] call_timer_fn+0x46/0x2a0 [ 29.048424][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 29.053896][ C0] __run_timers+0x646/0x9b0 [ 29.058422][ C0] ? calc_index+0x200/0x200 [ 29.062945][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 29.068170][ C0] run_timer_softirq+0x6a/0xf0 [ 29.072950][ C0] handle_softirqs+0x1d7/0x600 [ 29.077756][ C0] __irq_exit_rcu+0x52/0xf0 [ 29.082275][ C0] irq_exit_rcu+0x9/0x10 [ 29.086530][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 29.092189][ C0] [ 29.095132][ C0] [ 29.098072][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 29.104082][ C0] RIP: 0010:preempt_schedule_irq+0xa5/0x120 [ 29.110007][ C0] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 d1 fb 4c fc fb bf 01 00 00 00 46 e5 ff ff fa bf 01 00 00 00 e8 7b fd 4c fc 65 48 8b 1d c3 d4 [ 29.129628][ C0] RSP: 0018:ffffc9000079f540 EFLAGS: 00000246 [ 29.135708][ C0] RAX: 1ffff1102201e669 RBX: ffffc9000079f618 RCX: ffffffff87b7b100 [ 29.143702][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 29.151683][ C0] RBP: ffffc9000079f5c8 R08: ffff8881100f2887 R09: 1ffff1102201e510 [ 29.159672][ C0] R10: dffffc0000000000 R11: ffffed102201e511 R12: 0000000000000000 [ 29.167654][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920000f3ea8 [ 29.175649][ C0] ? __cfi_preempt_schedule_irq+0x10/0x10 [ 29.181480][ C0] ? kernel_text_address+0xa0/0xd0 [ 29.186612][ C0] raw_irqentry_exit_cond_resched+0x29/0x30 [ 29.192519][ C0] irqentry_exit+0x37/0x40 [ 29.196978][ C0] sysvec_reschedule_ipi+0x78/0x80 [ 29.202109][ C0] asm_sysvec_reschedule_ipi+0x1b/0x20 [ 29.207590][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 29.213071][ C0] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 29.232697][ C0] RSP: 0018:ffffc9000079f6c0 EFLAGS: 00000293 [ 29.238805][ C0] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff8881100f2880 [ 29.246789][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 29.254775][ C0] RBP: ffffc9000079f760 R08: 0000000000000003 R09: 0000000000000004 [ 29.262771][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 29.270758][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff920000f3ed8 [ 29.278750][ C0] ? dump_stack_lvl+0x13b/0x170 [ 29.283633][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 29.288680][ C0] dump_stack+0x15/0x24 [ 29.292851][ C0] should_fail_ex+0x3bf/0x510 [ 29.297540][ C0] __should_failslab+0xac/0xf0 [ 29.302321][ C0] should_failslab+0x9/0x20 [ 29.306833][ C0] kmem_cache_alloc_node+0x42/0x330 [ 29.312048][ C0] ? __alloc_skb+0xe8/0x4a0 [ 29.316604][ C0] __alloc_skb+0xe8/0x4a0 [ 29.320958][ C0] alloc_skb_with_frags+0xa8/0x620 [ 29.326085][ C0] ? memcpy+0x56/0x70 [ 29.330089][ C0] sock_alloc_send_pskb+0x87f/0x9a0 [ 29.335305][ C0] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 29.341046][ C0] ? __kasan_check_write+0x14/0x20 [ 29.346181][ C0] ? _raw_spin_lock+0x94/0xf0 [ 29.350886][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 29.356111][ C0] unix_dgram_sendmsg+0x5c1/0x1710 [ 29.361259][ C0] ? selinux_socket_sendmsg+0x22f/0x340 [ 29.366835][ C0] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 29.372750][ C0] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 29.378328][ C0] ? security_socket_sendmsg+0x93/0xb0 [ 29.383805][ C0] __sys_sendto+0x4ac/0x660 [ 29.388327][ C0] ? __cfi___sys_sendto+0x10/0x10 [ 29.393372][ C0] ? security_unix_may_send+0x8c/0xb0 [ 29.398760][ C0] ? __sys_connect+0x267/0x460 [ 29.403542][ C0] __x64_sys_sendto+0xe5/0x100 [ 29.408321][ C0] x64_sys_call+0x83/0x9a0 [ 29.412762][ C0] do_syscall_64+0x4c/0xa0 [ 29.417198][ C0] ? clear_bhb_loop+0x30/0x80 [ 29.421888][ C0] ? clear_bhb_loop+0x30/0x80 [ 29.426572][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 29.432495][ C0] RIP: 0033:0x7f801465a407 [ 29.436927][ C0] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 29.456547][ C0] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 29.464979][ C0] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 29.472971][ C0] RDX: 000000000000004c RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 29.480975][ C0] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 29.488967][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 29.496961][ C0] R13: 00007ffc79a5c9f0 R14: 0000000000000031 R15: 00007ffc79a5c9f0 [ 29.504956][ C0] [ 29.508357][ C0] FAULT_INJECTION: forcing a failure. [ 29.508357][ C0] name failslab, interval 1, probability 1, space 0, times 89 [ 29.508890][ T321] CPU: 1 PID: 321 Comm: syz.3.4 Not tainted syzkaller #0 [ 29.528093][ T321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 29.538166][ T321] Call Trace: [ 29.541459][ T321] [ 29.544404][ T321] __dump_stack+0x21/0x24 [ 29.548758][ T321] dump_stack_lvl+0x110/0x170 [ 29.553458][ T321] ? __cfi_dump_stack_lvl+0x8/0x8 [ 29.558505][ T321] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 29.564340][ T321] ? __stack_depot_save+0x44d/0x490 [ 29.569563][ T321] dump_stack+0x15/0x24 [ 29.573738][ T321] should_fail_ex+0x3bf/0x510 [ 29.578433][ T321] __should_failslab+0xac/0xf0 [ 29.583227][ T321] should_failslab+0x9/0x20 [ 29.587749][ T321] __kmem_cache_alloc_node+0x3d/0x2d0 [ 29.593159][ T321] ? f2fs_fill_super+0xc8/0x7380 [ 29.598120][ T321] ? f2fs_fill_super+0xc8/0x7380 [ 29.603070][ T321] kmalloc_trace+0x29/0xb0 [ 29.607507][ T321] f2fs_fill_super+0xc8/0x7380 [ 29.612288][ T321] ? string+0x2a0/0x2a0 [ 29.616464][ T321] ? format_decode+0x929/0x1520 [ 29.621340][ T321] ? vsnprintf+0x189d/0x1990 [ 29.625956][ T321] ? snprintf+0xe5/0x140 [ 29.630224][ T321] ? __cfi_f2fs_fill_super+0x10/0x10 [ 29.635529][ T321] ? mutex_unlock+0x8f/0x230 [ 29.640148][ T321] ? set_blocksize+0x1cc/0x470 [ 29.644940][ T321] ? sb_set_blocksize+0xaa/0xf0 [ 29.649809][ T321] ? __cfi_f2fs_fill_super+0x10/0x10 [ 29.655115][ T321] mount_bdev+0x29b/0x3d0 [ 29.659469][ T321] ? __cfi_f2fs_fill_super+0x10/0x10 [ 29.664765][ T321] f2fs_mount+0x34/0x40 [ 29.668982][ T321] legacy_get_tree+0xfe/0x1a0 [ 29.673701][ T321] ? __cfi_f2fs_mount+0x10/0x10 [ 29.678564][ T321] vfs_get_tree+0x9a/0x270 [ 29.682990][ T321] do_new_mount+0x251/0xb40 [ 29.687518][ T321] ? security_capable+0x99/0xc0 [ 29.692388][ T321] path_mount+0x640/0xfd0 [ 29.696747][ T321] __se_sys_mount+0x320/0x390 [ 29.701439][ T321] ? __x64_sys_mount+0xd0/0xd0 [ 29.706222][ T321] ? do_user_addr_fault+0x9a5/0x1030 [ 29.711645][ T321] __x64_sys_mount+0xbf/0xd0 [ 29.716253][ T321] x64_sys_call+0x65d/0x9a0 [ 29.720781][ T321] do_syscall_64+0x4c/0xa0 [ 29.725224][ T321] ? clear_bhb_loop+0x30/0x80 [ 29.729921][ T321] ? clear_bhb_loop+0x30/0x80 [ 29.734615][ T321] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 29.740532][ T321] RIP: 0033:0x7f0c90f9f20a [ 29.744970][ T321] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 29.764611][ T321] RSP: 002b:00007f0c91e0fe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 29.773056][ T321] RAX: ffffffffffffffda RBX: 00007f0c91e0fee0 RCX: 00007f0c90f9f20a [ 29.781050][ T321] RDX: 0000200000000000 RSI: 0000200000000040 RDI: 00007f0c91e0fea0 [ 29.789043][ T321] RBP: 0000200000000000 R08: 00007f0c91e0fee0 R09: 0000000000000008 [ 29.797031][ T321] R10: 0000000000000008 R11: 0000000000000246 R12: 0000200000000040 [ 29.805031][ T321] R13: 00007f0c91e0fea0 R14: 0000000000005505 R15: 00002000000059c0 [ 29.813032][ T321] [ 29.816072][ C0] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 29.822870][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 29.832963][ C0] Call Trace: [ 29.836257][ C0] [ 29.839115][ C0] __dump_stack+0x21/0x24 [ 29.843478][ C0] dump_stack_lvl+0x110/0x170 [ 29.848208][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 29.853259][ C0] ? calc_wheel_index+0x1b5/0x8d0 [ 29.858320][ C0] ? timer_update_keys+0xb0/0xb0 [ 29.863301][ C0] dump_stack+0x15/0x24 [ 29.867498][ C0] should_fail_ex+0x3bf/0x510 [ 29.872200][ C0] __should_failslab+0xac/0xf0 [ 29.876995][ C0] should_failslab+0x9/0x20 [ 29.881521][ C0] kmem_cache_alloc_node+0x42/0x330 [ 29.886755][ C0] ? __alloc_skb+0xe8/0x4a0 [ 29.891276][ C0] __alloc_skb+0xe8/0x4a0 [ 29.895628][ C0] ndisc_send_rs+0x31d/0x870 [ 29.900237][ C0] ? ipv6_get_lladdr+0x1be/0x200 [ 29.905215][ C0] addrconf_rs_timer+0x35a/0x600 [ 29.910184][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 29.915672][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 29.921195][ C0] call_timer_fn+0x46/0x2a0 [ 29.925732][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 29.931219][ C0] __run_timers+0x646/0x9b0 [ 29.935766][ C0] ? calc_index+0x200/0x200 [ 29.940298][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 29.945525][ C0] run_timer_softirq+0x6a/0xf0 [ 29.950307][ C0] handle_softirqs+0x1d7/0x600 [ 29.955119][ C0] __irq_exit_rcu+0x52/0xf0 [ 29.959641][ C0] irq_exit_rcu+0x9/0x10 [ 29.963901][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 29.969565][ C0] [ 29.972516][ C0] [ 29.975464][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 29.981566][ C0] RIP: 0010:preempt_schedule_irq+0xa5/0x120 [ 29.987485][ C0] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 d1 fb 4c fc fb bf 01 00 00 00 46 e5 ff ff fa bf 01 00 00 00 e8 7b fd 4c fc 65 48 8b 1d c3 d4 [ 30.007155][ C0] RSP: 0018:ffffc9000079f540 EFLAGS: 00000246 [ 30.013263][ C0] RAX: 1ffff1102201e669 RBX: ffffc9000079f618 RCX: ffffffff87b7b100 [ 30.021443][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 30.029456][ C0] RBP: ffffc9000079f5c8 R08: ffff8881100f2887 R09: 1ffff1102201e510 [ 30.031483][ T312] FAULT_INJECTION: forcing a failure. [ 30.031483][ T312] name failslab, interval 1, probability 1, space 0, times 88 [ 30.037461][ C0] R10: dffffc0000000000 R11: ffffed102201e511 R12: 0000000000000000 [ 30.037478][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920000f3ea8 [ 30.037497][ C0] ? __cfi_preempt_schedule_irq+0x10/0x10 [ 30.071891][ C0] ? kernel_text_address+0xa0/0xd0 [ 30.077033][ C0] raw_irqentry_exit_cond_resched+0x29/0x30 [ 30.082943][ C0] irqentry_exit+0x37/0x40 [ 30.087377][ C0] sysvec_reschedule_ipi+0x78/0x80 [ 30.092514][ C0] asm_sysvec_reschedule_ipi+0x1b/0x20 [ 30.098019][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 30.103502][ C0] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 30.123119][ C0] RSP: 0018:ffffc9000079f6c0 EFLAGS: 00000293 [ 30.129204][ C0] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff8881100f2880 [ 30.137192][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 30.145177][ C0] RBP: ffffc9000079f760 R08: 0000000000000003 R09: 0000000000000004 [ 30.153169][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 30.161157][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff920000f3ed8 [ 30.169148][ C0] ? dump_stack_lvl+0x13b/0x170 [ 30.174046][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.179085][ C0] dump_stack+0x15/0x24 [ 30.183260][ C0] should_fail_ex+0x3bf/0x510 [ 30.187951][ C0] __should_failslab+0xac/0xf0 [ 30.192752][ C0] should_failslab+0x9/0x20 [ 30.197275][ C0] kmem_cache_alloc_node+0x42/0x330 [ 30.202496][ C0] ? __alloc_skb+0xe8/0x4a0 [ 30.207018][ C0] __alloc_skb+0xe8/0x4a0 [ 30.211363][ C0] alloc_skb_with_frags+0xa8/0x620 [ 30.216488][ C0] ? memcpy+0x56/0x70 [ 30.220482][ C0] sock_alloc_send_pskb+0x87f/0x9a0 [ 30.225708][ C0] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 30.231456][ C0] ? __kasan_check_write+0x14/0x20 [ 30.236585][ C0] ? _raw_spin_lock+0x94/0xf0 [ 30.241301][ C0] ? __cfi__raw_spin_lock+0x10/0x10 [ 30.246552][ C0] unix_dgram_sendmsg+0x5c1/0x1710 [ 30.251714][ C0] ? selinux_socket_sendmsg+0x22f/0x340 [ 30.257292][ C0] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 30.263210][ C0] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 30.268790][ C0] ? security_socket_sendmsg+0x93/0xb0 [ 30.274336][ C0] __sys_sendto+0x4ac/0x660 [ 30.278888][ C0] ? __cfi___sys_sendto+0x10/0x10 [ 30.283937][ C0] ? security_unix_may_send+0x8c/0xb0 [ 30.289335][ C0] ? __sys_connect+0x267/0x460 [ 30.294125][ C0] __x64_sys_sendto+0xe5/0x100 [ 30.298909][ C0] x64_sys_call+0x83/0x9a0 [ 30.303359][ C0] do_syscall_64+0x4c/0xa0 [ 30.307812][ C0] ? clear_bhb_loop+0x30/0x80 [ 30.312535][ C0] ? clear_bhb_loop+0x30/0x80 [ 30.317233][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 30.320591][ T292] FAULT_INJECTION: forcing a failure. [ 30.320591][ T292] name failslab, interval 1, probability 1, space 0, times 87 [ 30.323161][ C0] RIP: 0033:0x7f801465a407 [ 30.340304][ C0] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 30.359945][ C0] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 30.368390][ C0] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 30.376379][ C0] RDX: 000000000000004c RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 30.384387][ C0] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 30.392374][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 30.400386][ C0] R13: 00007ffc79a5c9f0 R14: 0000000000000031 R15: 00007ffc79a5c9f0 [ 30.408377][ C0] [ 30.411429][ T311] CPU: 1 PID: 311 Comm: syz.2.3 Not tainted syzkaller #0 [ 30.418483][ T311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 30.421945][ T19] FAULT_INJECTION: forcing a failure. [ 30.421945][ T19] name failslab, interval 1, probability 1, space 0, times 86 [ 30.428565][ T311] Call Trace: [ 30.428573][ T311] [ 30.428580][ T311] __dump_stack+0x21/0x24 [ 30.451842][ T311] dump_stack_lvl+0x110/0x170 [ 30.456550][ T311] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.461600][ T311] dump_stack+0x15/0x24 [ 30.465794][ T311] should_fail_ex+0x3bf/0x510 [ 30.470495][ T311] ? jbd2__journal_start+0x13d/0x6e0 [ 30.475800][ T311] __should_failslab+0xac/0xf0 [ 30.480588][ T311] should_failslab+0x9/0x20 [ 30.485113][ T311] kmem_cache_alloc+0x3b/0x320 [ 30.489922][ T311] ? xfd_validate_state+0x70/0x150 [ 30.495062][ T311] jbd2__journal_start+0x13d/0x6e0 [ 30.500211][ T311] __ext4_journal_start_sb+0x242/0x4a0 [ 30.505715][ T311] ext4_dirty_inode+0x8f/0x100 [ 30.510520][ T311] ? __cfi_ext4_dirty_inode+0x10/0x10 [ 30.516026][ T311] __mark_inode_dirty+0x1fd/0x9c0 [ 30.521077][ T311] ? memcpy+0x56/0x70 [ 30.525087][ T311] __file_update_time+0x245/0x270 [ 30.530145][ T311] file_update_time+0x2f3/0x370 [ 30.535033][ T311] ? __cfi_file_update_time+0x10/0x10 [ 30.540433][ T311] ? __kasan_check_read+0x11/0x20 [ 30.545479][ T311] ? filemap_fault+0xf87/0x1370 [ 30.550363][ T311] ext4_page_mkwrite+0x2cf/0x1340 [ 30.555524][ T311] ? __cfi_filemap_fault+0x10/0x10 [ 30.560661][ T311] ? __cfi_ext4_page_mkwrite+0x10/0x10 [ 30.566164][ T311] ? __kasan_check_write+0x14/0x20 [ 30.571297][ T311] ? folio_unlock+0x4f/0x60 [ 30.575821][ T311] do_fault+0xd5b/0x1e30 [ 30.580091][ T311] ? pte_marker_clear+0x220/0x220 [ 30.585147][ T311] handle_mm_fault+0x1363/0x26b0 [ 30.590115][ T311] ? __cfi_handle_mm_fault+0x10/0x10 [ 30.595427][ T311] ? lock_vma_under_rcu+0x3f8/0x4f0 [ 30.600651][ T311] ? __this_cpu_preempt_check+0x13/0x20 [ 30.606221][ T311] ? xfd_validate_state+0x70/0x150 [ 30.611373][ T311] do_user_addr_fault+0x900/0x1030 [ 30.616525][ T311] ? __kasan_check_write+0x14/0x20 [ 30.621660][ T311] exc_page_fault+0x51/0xb0 [ 30.626184][ T311] asm_exc_page_fault+0x27/0x30 [ 30.631067][ T311] RIP: 0033:0x7f2504a72660 [ 30.635507][ T311] Code: 83 e6 07 0f 85 19 01 00 00 be 08 00 00 00 4c 89 ff 83 c5 01 e8 41 93 fe ff 49 8b 47 40 41 83 47 30 08 48 8d 48 f8 49 89 4f 40 <48> 89 58 f8 49 83 c5 01 45 3b 6c 24 04 0f 82 fd fe ff ff 41 80 7f [ 30.655135][ T311] RSP: 002b:00007ffc9464a950 EFLAGS: 00010202 [ 30.661227][ T311] RAX: 0000001b2ef1e000 RBX: ffffffff8238e8c4 RCX: 0000001b2ef1dff8 [ 30.669226][ T311] RDX: 0000001b2e924220 RSI: 0000000000000008 RDI: 00007f2505955720 [ 30.677219][ T311] RBP: 0000000000000078 R08: 00007f2504e10000 R09: 00007f2504e12000 [ 30.685236][ T311] R10: 000000008238e8c8 R11: 000000000000000b R12: 00007f2504e26128 [ 30.693227][ T311] R13: 00000000000000eb R14: ffffffff8238e342 R15: 00007f2505955720 [ 30.701225][ T311] ? security_capable+0x92/0xc0 [ 30.706113][ T311] ? security_bprm_check+0x24/0xa0 [ 30.711277][ T311] [ 30.714342][ T19] CPU: 0 PID: 19 Comm: kworker/0:1 Not tainted syzkaller #0 [ 30.721666][ T19] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 30.731756][ T19] Workqueue: mld mld_ifc_work [ 30.736467][ T19] Call Trace: [ 30.739767][ T19] [ 30.742724][ T19] __dump_stack+0x21/0x24 [ 30.747092][ T19] dump_stack_lvl+0x110/0x170 [ 30.751808][ T19] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.756859][ T19] ? xfrm_lookup_with_ifid+0x174b/0x2130 [ 30.762541][ T19] ? ip6_finish_output+0x63e/0xbe0 [ 30.767720][ T19] dump_stack+0x15/0x24 [ 30.771907][ T19] should_fail_ex+0x3bf/0x510 [ 30.776606][ T19] __should_failslab+0xac/0xf0 [ 30.781403][ T19] should_failslab+0x9/0x20 [ 30.785927][ T19] kmem_cache_alloc_node+0x42/0x330 [ 30.791161][ T19] ? __alloc_skb+0xe8/0x4a0 [ 30.795692][ T19] __alloc_skb+0xe8/0x4a0 [ 30.800049][ T19] mld_newpack+0x143/0xa30 [ 30.804489][ T19] ? enqueue_timer+0x1b6/0x480 [ 30.809284][ T19] ? mld_sendpack+0xda0/0xda0 [ 30.813996][ T19] ? __mod_timer+0x865/0xc00 [ 30.818618][ T19] add_grec+0xf26/0x13f0 [ 30.822884][ T19] ? __kasan_check_write+0x14/0x20 [ 30.828025][ T19] ? mutex_lock+0x93/0x1b0 [ 30.832481][ T19] ? __cfi_mutex_lock+0x10/0x10 [ 30.837385][ T19] mld_ifc_work+0x782/0xc20 [ 30.841919][ T19] process_one_work+0x717/0xc30 [ 30.846806][ T19] worker_thread+0xa4d/0x11d0 [ 30.851543][ T19] kthread+0x281/0x320 [ 30.855641][ T19] ? __cfi_worker_thread+0x10/0x10 [ 30.860772][ T19] ? __cfi_kthread+0x10/0x10 [ 30.865391][ T19] ret_from_fork+0x1f/0x30 [ 30.869842][ T19] [ 30.872884][ T292] CPU: 1 PID: 292 Comm: syz-executor Not tainted syzkaller #0 [ 30.876659][ T19] FAULT_INJECTION: forcing a failure. [ 30.876659][ T19] name failslab, interval 1, probability 1, space 0, times 85 [ 30.880379][ T292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 30.903135][ T292] Call Trace: [ 30.906434][ T292] [ 30.909384][ T292] __dump_stack+0x21/0x24 [ 30.913780][ T292] dump_stack_lvl+0x110/0x170 [ 30.918490][ T292] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.923534][ T292] ? alloc_vmap_area+0x17b6/0x18c0 [ 30.928693][ T292] dump_stack+0x15/0x24 [ 30.932874][ T292] should_fail_ex+0x3bf/0x510 [ 30.937573][ T292] __should_failslab+0xac/0xf0 [ 30.942362][ T292] should_failslab+0x9/0x20 [ 30.946881][ T292] __kmem_cache_alloc_node+0x3d/0x2d0 [ 30.952279][ T292] ? __vmalloc_node_range+0x564/0x1440 [ 30.957767][ T292] ? _raw_spin_unlock+0x4c/0x70 [ 30.962642][ T292] ? __vmalloc_node_range+0x564/0x1440 [ 30.968121][ T292] __kmalloc_node+0xa2/0x1e0 [ 30.972725][ T292] __vmalloc_node_range+0x564/0x1440 [ 30.978033][ T292] ? __cfi___vmalloc_node_range+0x10/0x10 [ 30.983767][ T292] ? __cfi_selinux_capable+0x10/0x10 [ 30.989091][ T292] ? __kasan_check_write+0x14/0x20 [ 30.994216][ T292] ? alloc_counters+0x66/0x530 [ 30.999007][ T292] vzalloc+0x78/0x90 [ 31.002918][ T292] ? alloc_counters+0x66/0x530 [ 31.007706][ T292] alloc_counters+0x66/0x530 [ 31.012323][ T292] ? xt_find_table_lock+0x3c7/0x410 [ 31.017539][ T292] do_ip6t_get_ctl+0xa84/0x11b0 [ 31.022417][ T292] ? __kasan_check_write+0x14/0x20 [ 31.027543][ T292] ? __cfi_do_ip6t_get_ctl+0x10/0x10 [ 31.032858][ T292] ? do_ipv6_getsockopt+0x114f/0x2380 [ 31.038261][ T292] ? __cfi_do_ipv6_getsockopt+0x10/0x10 [ 31.043831][ T292] ? avc_has_perm_noaudit+0x30a/0x490 [ 31.049218][ T292] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 31.054992][ T292] ? __kasan_check_write+0x14/0x20 [ 31.060118][ T292] ? mutex_unlock+0x8f/0x230 [ 31.064732][ T292] ? __cfi_mutex_unlock+0x10/0x10 [ 31.069779][ T292] ? __cfi_avc_has_perm+0x10/0x10 [ 31.074819][ T292] nf_getsockopt+0x27f/0x2a0 [ 31.079435][ T292] ipv6_getsockopt+0x230/0x2d0 [ 31.084227][ T292] ? __cfi_ipv6_getsockopt+0x10/0x10 [ 31.089557][ T292] tcp_getsockopt+0xff/0x130 [ 31.094178][ T292] sock_common_getsockopt+0xaa/0xc0 [ 31.099394][ T292] ? __cfi_sock_common_getsockopt+0x10/0x10 [ 31.105332][ T292] __sys_getsockopt+0x215/0x490 [ 31.110205][ T292] __x64_sys_getsockopt+0xbf/0xd0 [ 31.115248][ T292] x64_sys_call+0x3d/0x9a0 [ 31.119686][ T292] do_syscall_64+0x4c/0xa0 [ 31.124128][ T292] ? clear_bhb_loop+0x30/0x80 [ 31.128837][ T292] ? clear_bhb_loop+0x30/0x80 [ 31.133533][ T292] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 31.139448][ T292] RIP: 0033:0x7f0c90f9f76a [ 31.143901][ T292] Code: 48 83 ec 10 89 d2 48 63 ff 45 31 c9 6a 2a 45 31 c0 31 c9 e8 d8 99 fb ff 48 83 c4 18 c3 0f 1f 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 [ 31.163521][ T292] RSP: 002b:00007ffdc2ba29f8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 [ 31.171965][ T292] RAX: ffffffffffffffda RBX: 00007ffdc2ba2a80 RCX: 00007f0c90f9f76a [ 31.179953][ T292] RDX: 0000000000000041 RSI: 0000000000000029 RDI: 0000000000000003 [ 31.187936][ T292] RBP: 0000000000000003 R08: 00007ffdc2ba2a1c R09: 0000000000000000 [ 31.195925][ T292] R10: 00007ffdc2ba2a80 R11: 0000000000000212 R12: 00007f0c911ece00 [ 31.203916][ T292] R13: 00007ffdc2ba2a1c R14: 0000000000000000 R15: 00007f0c911eefc0 [ 31.211911][ T292] [ 31.214944][ T19] CPU: 0 PID: 19 Comm: kworker/0:1 Not tainted syzkaller #0 [ 31.222257][ T19] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.232339][ T19] Workqueue: mld mld_ifc_work [ 31.237046][ T19] Call Trace: [ 31.240345][ T19] [ 31.243286][ T19] __dump_stack+0x21/0x24 [ 31.247634][ T19] dump_stack_lvl+0x110/0x170 [ 31.252347][ T19] ? __cfi_dump_stack_lvl+0x8/0x8 [ 31.257395][ T19] dump_stack+0x15/0x24 [ 31.261567][ T19] should_fail_ex+0x3bf/0x510 [ 31.266279][ T19] __should_failslab+0xac/0xf0 [ 31.271088][ T19] should_failslab+0x9/0x20 [ 31.275621][ T19] kmem_cache_alloc_node+0x42/0x330 [ 31.280867][ T19] ? __alloc_skb+0xe8/0x4a0 [ 31.285399][ T19] __alloc_skb+0xe8/0x4a0 [ 31.289758][ T19] mld_newpack+0x143/0xa30 [ 31.294201][ T19] ? mld_sendpack+0xda0/0xda0 [ 31.299027][ T19] ? add_grec+0x13f0/0x13f0 [ 31.303566][ T19] add_grec+0xf26/0x13f0 [ 31.307833][ T19] ? __kasan_check_write+0x14/0x20 [ 31.312980][ T19] ? mutex_lock+0x93/0x1b0 [ 31.317425][ T19] ? __cfi_mutex_lock+0x10/0x10 [ 31.322311][ T19] mld_ifc_work+0x782/0xc20 [ 31.326834][ T19] process_one_work+0x717/0xc30 [ 31.331728][ T19] worker_thread+0xa4d/0x11d0 [ 31.336424][ T19] kthread+0x281/0x320 [ 31.340512][ T19] ? __cfi_worker_thread+0x10/0x10 [ 31.345633][ T19] ? __cfi_kthread+0x10/0x10 [ 31.350239][ T19] ret_from_fork+0x1f/0x30 [ 31.354676][ T19] [ 31.363881][ T312] CPU: 1 PID: 312 Comm: udevd Not tainted syzkaller #0 [ 31.370805][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.370822][ T312] Call Trace: [ 31.370829][ T312] [ 31.370836][ T312] __dump_stack+0x21/0x24 [ 31.370866][ T312] dump_stack_lvl+0x110/0x170 [ 31.370891][ T312] ? __cfi_dump_stack_lvl+0x8/0x8 [ 31.370914][ T312] ? do_user_addr_fault+0x9a5/0x1030 [ 31.370948][ T312] dump_stack+0x15/0x24 [ 31.370972][ T312] should_fail_ex+0x3bf/0x510 [ 31.370992][ T312] ? mas_alloc_nodes+0x2d8/0x850 [ 31.371015][ T312] __should_failslab+0xac/0xf0 [ 31.371043][ T312] should_failslab+0x9/0x20 [ 31.371063][ T312] kmem_cache_alloc+0x3b/0x320 [ 31.371091][ T312] mas_alloc_nodes+0x2d8/0x850 [ 31.371115][ T312] mas_preallocate+0xe3d/0x1430 [ 31.371139][ T312] ? __cfi_mas_preallocate+0x10/0x10 [ 31.371164][ T312] ? __kasan_check_write+0x14/0x20 [ 31.371184][ T312] ? folio_mark_accessed+0x10b/0x4d0 [ 31.371216][ T312] __vma_adjust+0x622/0x1f10 [ 31.371245][ T312] ? __cfi___vma_adjust+0x10/0x10 [ 31.371271][ T312] ? rwsem_write_trylock+0x136/0x300 [ 31.371302][ T312] ? __cfi_mt_find+0x10/0x10 [ 31.371328][ T312] ? is_mergable_pad_vma+0x4a/0x60 [ 31.371356][ T312] vma_merge+0x9eb/0xb20 [ 31.371384][ T312] ? __cfi_vma_merge+0x10/0x10 [ 31.371411][ T312] ? __fsnotify_parent+0x72a/0x820 [ 31.371432][ T312] ? memset+0x35/0x40 [ 31.371452][ T312] mprotect_fixup+0x41e/0x940 [ 31.371474][ T312] ? mas_prev_slot+0x8a7/0x8e0 [ 31.371499][ T312] ? __cfi_mprotect_fixup+0x10/0x10 [ 31.371528][ T312] ? security_file_mprotect+0x95/0xc0 [ 31.371558][ T312] do_mprotect_pkey+0x80a/0xbe0 [ 31.371584][ T312] ? prot_none_test+0x10/0x10 [ 31.371601][ T6] FAULT_INJECTION: forcing a failure. [ 31.371601][ T6] name failslab, interval 1, probability 1, space 0, times 81 [ 31.371610][ T312] ? ksys_read+0x1eb/0x260 [ 31.371632][ T312] ? fpregs_restore_userregs+0x128/0x260 [ 31.371654][ T312] __x64_sys_mprotect+0x80/0x90 [ 31.371673][ T312] x64_sys_call+0x997/0x9a0 [ 31.371694][ T312] do_syscall_64+0x4c/0xa0 [ 31.371715][ T312] ? clear_bhb_loop+0x30/0x80 [ 31.371732][ T312] ? clear_bhb_loop+0x30/0x80 [ 31.371747][ T312] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 31.371774][ T312] RIP: 0033:0x7f9be791dfe7 [ 31.371790][ T312] Code: ef e8 3d fa ff ff 84 c0 75 b9 31 db 48 83 c4 08 48 89 d8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 44 00 00 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 2d 0d 00 f7 d8 64 89 01 48 [ 31.371806][ T312] RSP: 002b:00007ffefab7b288 EFLAGS: 00000246 ORIG_RAX: 000000000000000a [ 31.371826][ T312] RAX: ffffffffffffffda RBX: 0000000000000200 RCX: 00007f9be791dfe7 [ 31.371839][ T312] RDX: 0000000000000001 RSI: 0000000000000200 RDI: 00007f9be7fe1000 [ 31.371851][ T312] RBP: 0000557321374790 R08: 0000000000000000 R09: 0000000000000200 [ 31.371863][ T312] R10: 00005573213747f0 R11: 0000000000000246 R12: 0000000000000000 [ 31.371875][ T312] R13: 0000000000400000 R14: 0000557321375a08 R15: 00007f9be812c39c [ 31.371891][ T312] [ 31.371899][ T6] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted syzkaller #0 [ 31.371917][ T6] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.371930][ T6] Workqueue: mld mld_ifc_work [ 31.371949][ T6] Call Trace: [ 31.371954][ T6] [ 31.371960][ T6] __dump_stack+0x21/0x24 [ 31.371983][ T6] dump_stack_lvl+0x110/0x170 [ 31.372006][ T6] ? __cfi_dump_stack_lvl+0x8/0x8 [ 31.372038][ T6] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 31.372064][ T6] ? ref_tracker_alloc+0x345/0x4a0 [ 31.372091][ T6] dump_stack+0x15/0x24 [ 31.372114][ T6] should_fail_ex+0x3bf/0x510 [ 31.372134][ T6] __should_failslab+0xac/0xf0 [ 31.372159][ T6] should_failslab+0x9/0x20 [ 31.372176][ T6] __kmem_cache_alloc_node+0x3d/0x2d0 [ 31.372202][ T6] ? dst_cow_metrics_generic+0x55/0x1c0 [ 31.372227][ T6] ? dst_cow_metrics_generic+0x55/0x1c0 [ 31.372250][ T6] kmalloc_trace+0x29/0xb0 [ 31.372270][ T6] dst_cow_metrics_generic+0x55/0x1c0 [ 31.372293][ T6] icmp6_dst_alloc+0x389/0x510 [ 31.372322][ T6] mld_sendpack+0x623/0xda0 [ 31.372346][ T6] ? add_grec+0x13f0/0x13f0 [ 31.372366][ T6] ? memcpy+0x56/0x70 [ 31.372386][ T6] ? add_grec+0x10b/0x13f0 [ 31.372406][ T6] ? __cfi_dst_output+0x10/0x10 [ 31.372428][ T6] ? __cfi_mutex_lock+0x10/0x10 [ 31.372458][ T6] mld_ifc_work+0x83b/0xc20 [ 31.372480][ T6] process_one_work+0x717/0xc30 [ 31.372505][ T6] worker_thread+0xa4d/0x11d0 [ 31.372531][ T6] kthread+0x281/0x320 [ 31.372554][ T6] ? __cfi_worker_thread+0x10/0x10 [ 31.372575][ T6] ? __cfi_kthread+0x10/0x10 [ 31.372596][ T6] ret_from_fork+0x1f/0x30 [ 31.372624][ T6] [ 31.378721][ T312] FAULT_INJECTION: forcing a failure. [ 31.378721][ T312] name failslab, interval 1, probability 1, space 0, times 76 [ 31.378750][ T312] CPU: 0 PID: 312 Comm: udevd Not tainted syzkaller #0 [ 31.378772][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.378784][ T312] Call Trace: [ 31.378790][ T312] [ 31.378798][ T312] __dump_stack+0x21/0x24 [ 31.378828][ T312] dump_stack_lvl+0x110/0x170 [ 31.378853][ T312] ? __cfi_dump_stack_lvl+0x8/0x8 [ 31.378880][ T312] dump_stack+0x15/0x24 [ 31.378903][ T312] should_fail_ex+0x3bf/0x510 [ 31.378924][ T312] ? mas_alloc_nodes+0x2d8/0x850 [ 31.378948][ T312] __should_failslab+0xac/0xf0 [ 31.378976][ T312] should_failslab+0x9/0x20 [ 31.378997][ T312] kmem_cache_alloc+0x3b/0x320 [ 31.379035][ T312] mas_alloc_nodes+0x2d8/0x850 [ 31.379060][ T312] mas_preallocate+0xe3d/0x1430 [ 31.379084][ T312] ? __cfi_mas_preallocate+0x10/0x10 [ 31.379106][ T312] ? rwsem_write_trylock+0x136/0x300 [ 31.379143][ T312] __vma_adjust+0x622/0x1f10 [ 31.379170][ T312] ? asm_exc_int3+0x3a/0x40 [ 31.379202][ T312] ? __cfi___anon_vma_interval_tree_augment_rotate+0x10/0x10 [ 31.379225][ T312] ? __cfi___vma_adjust+0x10/0x10 [ 31.379264][ T312] ? rwsem_write_trylock+0x136/0x300 [ 31.379312][ T312] __split_vma+0x725/0x980 [ 31.379358][ T312] do_mas_align_munmap+0x314/0x1330 [ 31.379398][ T312] ? mas_state_walk+0x7ab/0xa80 [ 31.379419][ T312] ? do_mas_munmap+0x2b0/0x2b0 [ 31.379457][ T312] ? mas_walk+0x207/0x250 [ 31.379480][ T312] do_mas_munmap+0x23d/0x2b0 [ 31.379511][ T312] __vm_munmap+0x1af/0x310 [ 31.379541][ T312] ? vm_munmap+0x30/0x30 [ 31.379574][ T312] __x64_sys_munmap+0x6b/0x80 [ 31.379604][ T312] x64_sys_call+0x8a/0x9a0 [ 31.379635][ T312] do_syscall_64+0x4c/0xa0 [ 31.379659][ T312] ? clear_bhb_loop+0x30/0x80 [ 31.379677][ T312] ? clear_bhb_loop+0x30/0x80 [ 31.379696][ T312] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 31.379725][ T312] RIP: 0033:0x7f9be791e097 [ 31.379741][ T312] Code: 73 01 c3 48 8b 0d 61 2d 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 31 2d 0d 00 f7 d8 64 89 01 48 [ 31.379758][ T312] RSP: 002b:00007ffefab7b3c8 EFLAGS: 00000246 ORIG_RAX: 000000000000000b [ 31.379780][ T312] RAX: ffffffffffffffda RBX: 0000557321377ac0 RCX: 00007f9be791e097 [ 31.379796][ T312] RDX: 000055732137a8d8 RSI: 0000000000000200 RDI: 00007f9be7fff000 [ 31.379810][ T312] RBP: 0000000000000004 R08: 0000000000000030 R09: 000055732137ae00 [ 31.379825][ T312] R10: 0000000000000000 R11: 0000000000000246 R12: 00005573213747f0 [ 31.379838][ T312] R13: 00007f9be812c39c R14: 0000000000000800 R15: 0000000000000009 [ 31.379856][ T312] [ 31.383455][ T28] kauditd_printk_skb: 28 callbacks suppressed [ 31.383470][ T28] audit: type=1400 audit(1785427524.619:102): avc: denied { unmount } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=filesystem permissive=1 [ 31.387402][ T6] FAULT_INJECTION: forcing a failure. [ 31.387402][ T6] name failslab, interval 1, probability 1, space 0, times 73 [ 31.387428][ T6] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted syzkaller #0 [ 31.387449][ T6] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.387461][ T6] Workqueue: wg-kex-wg1 wg_packet_handshake_receive_worker [ 31.387498][ T6] Call Trace: [ 31.387504][ T6] [ 31.387511][ T6] __dump_stack+0x21/0x24 [ 31.387537][ T6] dump_stack_lvl+0x110/0x170 [ 31.387561][ T6] ? __cfi_dump_stack_lvl+0x8/0x8 [ 31.387585][ T6] ? wg_cookie_validate_packet+0x43a/0x580 [ 31.387608][ T6] dump_stack+0x15/0x24 [ 31.387631][ T6] should_fail_ex+0x3bf/0x510 [ 31.387669][ T6] __should_failslab+0xac/0xf0 [ 31.387696][ T6] should_failslab+0x9/0x20 [ 31.387716][ T6] __kmem_cache_alloc_node+0x3d/0x2d0 [ 31.387744][ T6] ? wg_noise_handshake_begin_session+0xd5/0x770 [ 31.387772][ T6] ? wg_noise_handshake_begin_session+0xd5/0x770 [ 31.387797][ T6] kmalloc_trace+0x29/0xb0 [ 31.387817][ T6] wg_noise_handshake_begin_session+0xd5/0x770 [ 31.387843][ T6] ? wg_socket_set_peer_endpoint_from_skb+0x6c/0x90 [ 31.387877][ T6] wg_packet_handshake_receive_worker+0x55d/0xa40 [ 31.387913][ T6] process_one_work+0x717/0xc30 [ 31.387937][ T6] worker_thread+0xa4d/0x11d0 [ 31.387963][ T6] kthread+0x281/0x320 [ 31.387984][ T6] ? __cfi_worker_thread+0x10/0x10 [ 31.388004][ T6] ? __cfi_kthread+0x10/0x10 [ 31.388033][ T6] ret_from_fork+0x1f/0x30 [ 31.388058][ T6] [ 31.389208][ T24] FAULT_INJECTION: forcing a failure. [ 31.389208][ T24] name failslab, interval 1, probability 1, space 0, times 72 [ 31.461286][ T290] FAULT_INJECTION: forcing a failure. [ 31.461286][ T290] name failslab, interval 1, probability 1, space 0, times 72 [ 31.465554][ T24] CPU: 1 PID: 24 Comm: kworker/1:0 Not tainted syzkaller #0 [ 31.484258][ T289] FAULT_INJECTION: forcing a failure. [ 31.484258][ T289] name failslab, interval 1, probability 1, space 0, times 72 [ 31.486891][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.486906][ T24] Workqueue: ipv6_addrconf addrconf_dad_work [ 31.486934][ T24] Call Trace: [ 32.350436][ T24] [ 32.353386][ T24] __dump_stack+0x21/0x24 [ 32.357747][ T24] dump_stack_lvl+0x110/0x170 [ 32.362449][ T24] ? __cfi_dump_stack_lvl+0x8/0x8 [ 32.367490][ T24] ? kasan_save_alloc_info+0x1f/0x30 [ 32.372824][ T24] dump_stack+0x15/0x24 [ 32.376998][ T24] should_fail_ex+0x3bf/0x510 [ 32.381686][ T24] ? dst_alloc+0x16a/0x1e0 [ 32.386115][ T24] __should_failslab+0xac/0xf0 [ 32.390897][ T24] should_failslab+0x9/0x20 [ 32.395412][ T24] kmem_cache_alloc+0x3b/0x320 [ 32.400232][ T24] ? __cfi_ip6_dst_gc+0x10/0x10 [ 32.405104][ T24] dst_alloc+0x16a/0x1e0 [ 32.409365][ T24] icmp6_dst_alloc+0xf8/0x510 [ 32.414066][ T24] ndisc_send_skb+0x2ad/0xcd0 [ 32.418756][ T24] ? __cfi_ndisc_send_skb+0x10/0x10 [ 32.423970][ T24] ? __kasan_check_write+0x14/0x20 [ 32.429095][ T24] ? __build_skb_around+0x24c/0x470 [ 32.434340][ T24] ? ndisc_ns_create+0x60d/0x920 [ 32.439297][ T24] ndisc_send_ns+0xd4/0x160 [ 32.443818][ T24] ? __cfi_ndisc_send_ns+0x10/0x10 [ 32.448940][ T24] ? mod_delayed_work_on+0xa8/0xe0 [ 32.454075][ T24] addrconf_dad_work+0x9d6/0x14a0 [ 32.459115][ T24] ? __kasan_check_write+0x14/0x20 [ 32.464263][ T24] ? __cfi_addrconf_dad_work+0x10/0x10 [ 32.469748][ T24] ? __kasan_check_write+0x14/0x20 [ 32.474875][ T24] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 32.480826][ T24] process_one_work+0x717/0xc30 [ 32.485715][ T24] worker_thread+0xa4d/0x11d0 [ 32.490429][ T24] kthread+0x281/0x320 [ 32.494525][ T24] ? __cfi_worker_thread+0x10/0x10 [ 32.499660][ T24] ? __cfi_kthread+0x10/0x10 [ 32.504275][ T24] ret_from_fork+0x1f/0x30 [ 32.508721][ T24] [ 32.517488][ T290] CPU: 1 PID: 290 Comm: syz-executor Not tainted syzkaller #0 [ 32.518018][ T92] FAULT_INJECTION: forcing a failure. [ 32.518018][ T92] name failslab, interval 1, probability 1, space 0, times 69 [ 32.525000][ T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 32.547766][ T290] Call Trace: [ 32.551070][ T290] [ 32.554017][ T290] __dump_stack+0x21/0x24 [ 32.558378][ T290] dump_stack_lvl+0x110/0x170 [ 32.563087][ T290] ? __cfi_dump_stack_lvl+0x8/0x8 [ 32.568149][ T290] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 32.574274][ T290] ? kasan_save_free_info+0x2b/0x40 [ 32.579497][ T290] dump_stack+0x15/0x24 [ 32.583680][ T290] should_fail_ex+0x3bf/0x510 [ 32.588389][ T290] ? getname_flags+0xba/0x510 [ 32.593118][ T290] __should_failslab+0xac/0xf0 [ 32.598073][ T290] should_failslab+0x9/0x20 [ 32.602677][ T290] kmem_cache_alloc+0x3b/0x320 [ 32.607490][ T290] getname_flags+0xba/0x510 [ 32.612015][ T290] __se_sys_newfstatat+0x127/0x440 [ 32.617155][ T290] ? __x64_sys_newfstatat+0xb0/0xb0 [ 32.622396][ T290] ? path_umount+0x345/0xf60 [ 32.627020][ T290] ? __kasan_slab_free+0x11/0x20 [ 32.631990][ T290] ? __x64_sys_umount+0x12d/0x170 [ 32.637054][ T290] __x64_sys_newfstatat+0x9b/0xb0 [ 32.642106][ T290] x64_sys_call+0x77c/0x9a0 [ 32.646641][ T290] do_syscall_64+0x4c/0xa0 [ 32.651087][ T290] ? clear_bhb_loop+0x30/0x80 [ 32.655794][ T290] ? clear_bhb_loop+0x30/0x80 [ 32.660500][ T290] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 32.666428][ T290] RIP: 0033:0x7f2504b9c5da [ 32.670867][ T290] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 e8 ff ff ff f7 [ 32.678265][ T315] FAULT_INJECTION: forcing a failure. [ 32.678265][ T315] name failslab, interval 1, probability 1, space 0, times 69 [ 32.690502][ T290] RSP: 002b:00007ffc94649b78 EFLAGS: 00000286 ORIG_RAX: 0000000000000106 [ 32.690530][ T290] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2504b9c5da [ 32.690547][ T290] RDX: 00007ffc94649ba0 RSI: 00007ffc94649c30 RDI: 00000000ffffff9c [ 32.727717][ T290] RBP: 00007ffc94649c30 R08: 00007ffc9464ac30 R09: 00000000ffffffff [ 32.735719][ T290] R10: 0000000000000100 R11: 0000000000000286 R12: 00007ffc9464acc0 [ 32.743712][ T290] R13: 00007f2504c34314 R14: 00000000000062fa R15: 00007ffc9464ad00 [ 32.751799][ T290] [ 32.754873][ T315] CPU: 0 PID: 315 Comm: udevd Not tainted syzkaller #0 [ 32.761765][ T315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 32.771852][ T315] Call Trace: [ 32.775160][ T315] [ 32.778114][ T315] __dump_stack+0x21/0x24 [ 32.782466][ T315] dump_stack_lvl+0x110/0x170 [ 32.787164][ T315] ? __cfi_dump_stack_lvl+0x8/0x8 [ 32.792219][ T315] ? putname+0x111/0x160 [ 32.796502][ T315] ? from_kgid_munged+0x193/0x6e0 [ 32.801542][ T315] dump_stack+0x15/0x24 [ 32.805735][ T315] should_fail_ex+0x3bf/0x510 [ 32.810425][ T315] ? getname_flags+0xba/0x510 [ 32.815119][ T315] __should_failslab+0xac/0xf0 [ 32.819906][ T315] should_failslab+0x9/0x20 [ 32.824426][ T315] kmem_cache_alloc+0x3b/0x320 [ 32.829212][ T315] getname_flags+0xba/0x510 [ 32.833733][ T315] getname+0x19/0x20 [ 32.837671][ T315] do_sys_openat2+0xeb/0x820 [ 32.842309][ T315] ? do_sys_open+0xe0/0xe0 [ 32.846773][ T315] ? fput+0x15b/0x1a0 [ 32.850799][ T315] __x64_sys_openat+0x136/0x160 [ 32.855674][ T315] x64_sys_call+0x783/0x9a0 [ 32.860225][ T315] do_syscall_64+0x4c/0xa0 [ 32.864751][ T315] ? clear_bhb_loop+0x30/0x80 [ 32.869444][ T315] ? clear_bhb_loop+0x30/0x80 [ 32.874137][ T315] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 32.880052][ T315] RIP: 0033:0x7f9be78a7407 [ 32.884485][ T315] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 32.904102][ T315] RSP: 002b:00007ffefab7fd40 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 32.912541][ T315] RAX: ffffffffffffffda RBX: 00007f9be8005880 RCX: 00007f9be78a7407 [ 32.920533][ T315] RDX: 0000000000080241 RSI: 00007ffefab802a0 RDI: ffffffffffffff9c [ 32.928519][ T315] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 32.936501][ T315] R10: 00000000000001b6 R11: 0000000000000202 R12: 00005572f321ddfc [ 32.944491][ T315] R13: 00005572f321ddfc R14: 0000000000000001 R15: 00005572f3238140 [ 32.952510][ T315] [ 32.955749][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 32.962338][ T103] FAULT_INJECTION: forcing a failure. [ 32.962338][ T103] name failslab, interval 1, probability 1, space 0, times 67 [ 32.962579][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 32.978818][ T312] FAULT_INJECTION: forcing a failure. [ 32.978818][ T312] name failslab, interval 1, probability 1, space 0, times 67 [ 32.985316][ T92] Call Trace: [ 32.985325][ T92] [ 32.998278][ T298] FAULT_INJECTION: forcing a failure. [ 32.998278][ T298] name failslab, interval 1, probability 1, space 0, times 67 [ 33.001279][ T92] __dump_stack+0x21/0x24 [ 33.021238][ T92] dump_stack_lvl+0x110/0x170 [ 33.025941][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 33.030983][ T92] dump_stack+0x15/0x24 [ 33.035160][ T92] should_fail_ex+0x3bf/0x510 [ 33.039854][ T92] __should_failslab+0xac/0xf0 [ 33.044651][ T92] should_failslab+0x9/0x20 [ 33.049178][ T92] kmem_cache_alloc_node+0x42/0x330 [ 33.054396][ T92] ? __alloc_skb+0xe8/0x4a0 [ 33.058920][ T92] __alloc_skb+0xe8/0x4a0 [ 33.063271][ T92] alloc_skb_with_frags+0xa8/0x620 [ 33.068405][ T92] ? memcpy+0x56/0x70 [ 33.072411][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 33.077637][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 33.083384][ T92] ? __kasan_check_write+0x14/0x20 [ 33.088518][ T92] ? _raw_spin_lock+0x94/0xf0 [ 33.093225][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 33.098452][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 33.103588][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 33.109149][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 33.115070][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 33.120645][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 33.126140][ T92] __sys_sendto+0x4ac/0x660 [ 33.130684][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 33.135750][ T92] ? security_unix_may_send+0x8c/0xb0 [ 33.141173][ T92] ? __sys_connect+0x267/0x460 [ 33.145979][ T92] __x64_sys_sendto+0xe5/0x100 [ 33.150785][ T92] x64_sys_call+0x83/0x9a0 [ 33.155239][ T92] do_syscall_64+0x4c/0xa0 [ 33.159697][ T92] ? clear_bhb_loop+0x30/0x80 [ 33.164411][ T92] ? clear_bhb_loop+0x30/0x80 [ 33.169121][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 33.175059][ T92] RIP: 0033:0x7f801465a407 [ 33.179507][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 33.199317][ T92] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 33.207766][ T92] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 33.215777][ T92] RDX: 000000000000004f RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 33.223787][ T92] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 33.231790][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 33.239795][ T92] R13: 00007ffc79a5c9f0 R14: 0000000000000034 R15: 00007ffc79a5c9f0 [ 33.247801][ T92] [ 33.250843][ T312] CPU: 1 PID: 312 Comm: udevd Not tainted syzkaller #0 [ 33.257741][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 33.267850][ T312] Call Trace: [ 33.271172][ T312] [ 33.274172][ T312] __dump_stack+0x21/0x24 [ 33.278568][ T312] dump_stack_lvl+0x110/0x170 [ 33.283286][ T312] ? __cfi_dump_stack_lvl+0x8/0x8 [ 33.288353][ T312] dump_stack+0x15/0x24 [ 33.292555][ T312] should_fail_ex+0x3bf/0x510 [ 33.297271][ T312] ? security_file_alloc+0x33/0x130 [ 33.302513][ T312] __should_failslab+0xac/0xf0 [ 33.307322][ T312] should_failslab+0x9/0x20 [ 33.311956][ T312] kmem_cache_alloc+0x3b/0x320 [ 33.316769][ T312] ? __alloc_file+0x28/0x2a0 [ 33.321461][ T312] security_file_alloc+0x33/0x130 [ 33.326566][ T312] __alloc_file+0xb5/0x2a0 [ 33.331025][ T312] alloc_empty_file+0x97/0x180 [ 33.335876][ T312] path_openat+0xf4/0x2f30 [ 33.340327][ T312] ? kasan_set_track+0x60/0x70 [ 33.345113][ T312] ? kasan_set_track+0x4b/0x70 [ 33.349938][ T312] ? __kasan_slab_alloc+0x72/0x80 [ 33.355005][ T312] ? slab_post_alloc_hook+0x4f/0x2d0 [ 33.360328][ T312] ? kmem_cache_alloc+0x166/0x320 [ 33.365380][ T312] ? getname_flags+0xba/0x510 [ 33.370078][ T312] ? getname+0x19/0x20 [ 33.374175][ T312] ? do_sys_openat2+0xeb/0x820 [ 33.378967][ T312] ? __x64_sys_openat+0x136/0x160 [ 33.384018][ T312] ? x64_sys_call+0x783/0x9a0 [ 33.388714][ T312] ? do_syscall_64+0x4c/0xa0 [ 33.393335][ T312] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 33.399441][ T312] ? do_filp_open+0x420/0x420 [ 33.404168][ T312] do_filp_open+0x1ee/0x420 [ 33.409130][ T312] ? __cfi_do_filp_open+0x10/0x10 [ 33.414195][ T312] ? alloc_fd+0x4c1/0x570 [ 33.418551][ T312] do_sys_openat2+0x15e/0x820 [ 33.423255][ T312] ? __cfi_do_utimes+0x10/0x10 [ 33.428042][ T312] ? do_sys_open+0xe0/0xe0 [ 33.432491][ T312] ? __x64_sys_utimensat+0x15b/0x240 [ 33.437804][ T312] ? __cfi___x64_sys_utimensat+0x10/0x10 [ 33.443472][ T312] __x64_sys_openat+0x136/0x160 [ 33.446786][ C0] FAULT_INJECTION: forcing a failure. [ 33.446786][ C0] name failslab, interval 1, probability 1, space 0, times 67 [ 33.448365][ T312] x64_sys_call+0x783/0x9a0 [ 33.465550][ T312] do_syscall_64+0x4c/0xa0 [ 33.470001][ T312] ? clear_bhb_loop+0x30/0x80 [ 33.474692][ T312] ? clear_bhb_loop+0x30/0x80 [ 33.479397][ T312] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 33.485334][ T312] RIP: 0033:0x7f9be7915c3a [ 33.489766][ T312] Code: 41 89 f2 48 89 54 24 e0 41 83 e2 40 75 2a 89 f0 f7 d0 a9 00 00 41 00 74 1f 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 2e c3 0f 1f 44 00 00 48 8d 44 24 08 c7 44 24 [ 33.509405][ T312] RSP: 002b:00007ffefab7ed68 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 33.517854][ T312] RAX: ffffffffffffffda RBX: 00007ffefab7eda0 RCX: 00007f9be7915c3a [ 33.525850][ T312] RDX: 0000000000090800 RSI: 00007ffefab7f1a0 RDI: 00000000ffffff9c [ 33.533845][ T312] RBP: 0000000000000007 R08: 000055732137a8c0 R09: 0000000000000000 [ 33.541838][ T312] R10: 0000000000000000 R11: 0000000000000206 R12: 0000557321386840 [ 33.549829][ T312] R13: 00007ffefab7f9a0 R14: 00007ffefab7f5a0 R15: 00007ffefab7f1a0 [ 33.557834][ T312] [ 33.560867][ C0] CPU: 0 PID: 289 Comm: syz-executor Not tainted syzkaller #0 [ 33.568369][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 33.578448][ C0] Call Trace: [ 33.581742][ C0] [ 33.584629][ C0] __dump_stack+0x21/0x24 [ 33.588984][ C0] dump_stack_lvl+0x110/0x170 [ 33.593686][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 33.598754][ C0] ? __kasan_check_read+0x11/0x20 [ 33.603801][ C0] ? resched_curr+0xac/0x3a0 [ 33.608410][ C0] dump_stack+0x15/0x24 [ 33.612588][ C0] should_fail_ex+0x3bf/0x510 [ 33.617291][ C0] __should_failslab+0xac/0xf0 [ 33.622100][ C0] should_failslab+0x9/0x20 [ 33.626634][ C0] kmem_cache_alloc_node+0x42/0x330 [ 33.632046][ C0] ? __alloc_skb+0xe8/0x4a0 [ 33.636577][ C0] __alloc_skb+0xe8/0x4a0 [ 33.640947][ C0] wg_packet_send_keepalive+0x62/0x1c0 [ 33.646434][ C0] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 33.653055][ C0] wg_expired_send_persistent_keepalive+0x53/0x80 [ 33.659507][ C0] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 33.666650][ C0] call_timer_fn+0x46/0x2a0 [ 33.671186][ C0] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 33.678332][ C0] __run_timers+0x646/0x9b0 [ 33.682870][ C0] ? calc_index+0x200/0x200 [ 33.687401][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 33.692635][ C0] run_timer_softirq+0x6a/0xf0 [ 33.697434][ C0] handle_softirqs+0x1d7/0x600 [ 33.702224][ C0] __irq_exit_rcu+0x52/0xf0 [ 33.706756][ C0] irq_exit_rcu+0x9/0x10 [ 33.711029][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 33.716700][ C0] [ 33.719656][ C0] [ 33.722620][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 33.728639][ C0] RIP: 0010:__printk_cpu_sync_wait+0xb/0x40 [ 33.734564][ C0] Code: 1d 5f 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 90 90 90 90 90 90 90 90 90 90 90 b8 0c 67 40 a5 55 48 89 e5 e8 17 92 19 00 f3 90 <48> c7 c7 c0 b9 11 87 be 04 00 00 00 e8 24 1f 5f 00 8b 05 7e e5 b9 [ 33.754183][ C0] RSP: 0018:ffffc90000d17310 EFLAGS: 00000293 [ 33.760266][ C0] RAX: ffffffff8157d44c RBX: ffffffff860afda0 RCX: ffff88810b9da880 [ 33.768249][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8711b9c0 [ 33.776234][ C0] RBP: ffffc90000d17310 R08: 0000000000000003 R09: 0000000000000004 [ 33.784220][ C0] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 33.792204][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff920001a2e64 [ 33.800189][ C0] ? __printk_cpu_sync_wait+0x2c/0x40 [ 33.805582][ C0] dump_stack_lvl+0xce/0x170 [ 33.810631][ C0] ? __cfi_dump_stack_lvl+0x8/0x8 [ 33.815679][ C0] ? kasan_set_track+0x60/0x70 [ 33.820494][ C0] ? kasan_set_track+0x4b/0x70 [ 33.825280][ C0] ? kasan_save_alloc_info+0x1f/0x30 [ 33.830579][ C0] ? __kasan_kmalloc+0x95/0xb0 [ 33.835358][ C0] dump_stack+0x15/0x24 [ 33.839528][ C0] should_fail_ex+0x3bf/0x510 [ 33.844218][ C0] __should_failslab+0xac/0xf0 [ 33.849008][ C0] should_failslab+0x9/0x20 [ 33.853528][ C0] kmem_cache_alloc_node+0x42/0x330 [ 33.858741][ C0] ? alloc_vmap_area+0x184/0x18c0 [ 33.863778][ C0] alloc_vmap_area+0x184/0x18c0 [ 33.868643][ C0] ? vm_map_ram+0x930/0x930 [ 33.873157][ C0] ? __kasan_kmalloc+0x95/0xb0 [ 33.877935][ C0] ? kmalloc_node_trace+0x3d/0xb0 [ 33.882973][ C0] __get_vm_area_node+0x160/0x360 [ 33.888019][ C0] __vmalloc_node_range+0x326/0x1440 [ 33.893323][ C0] ? alloc_counters+0x66/0x530 [ 33.898113][ C0] ? kasan_quarantine_put+0x34/0x190 [ 33.903424][ C0] ? __cfi___vmalloc_node_range+0x10/0x10 [ 33.909182][ C0] ? __cfi_selinux_capable+0x10/0x10 [ 33.914505][ C0] ? __kasan_check_write+0x14/0x20 [ 33.919652][ C0] ? alloc_counters+0x66/0x530 [ 33.924432][ C0] vzalloc+0x78/0x90 [ 33.928339][ C0] ? alloc_counters+0x66/0x530 [ 33.933124][ C0] alloc_counters+0x66/0x530 [ 33.937735][ C0] ? xt_find_table_lock+0x3c7/0x410 [ 33.942949][ C0] do_ip6t_get_ctl+0xa84/0x11b0 [ 33.947826][ C0] ? __kasan_check_write+0x14/0x20 [ 33.952976][ C0] ? __cfi_do_ip6t_get_ctl+0x10/0x10 [ 33.958282][ C0] ? do_ipv6_getsockopt+0x114f/0x2380 [ 33.963673][ C0] ? __cfi_do_ipv6_getsockopt+0x10/0x10 [ 33.969247][ C0] ? avc_has_perm_noaudit+0x30a/0x490 [ 33.974633][ C0] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 33.980368][ C0] ? __kasan_check_write+0x14/0x20 [ 33.985493][ C0] ? mutex_unlock+0x8f/0x230 [ 33.990106][ C0] ? __cfi_mutex_unlock+0x10/0x10 [ 33.995151][ C0] ? __cfi_avc_has_perm+0x10/0x10 [ 34.000194][ C0] ? selinux_socket_setsockopt+0x282/0x360 [ 34.006017][ C0] nf_getsockopt+0x27f/0x2a0 [ 34.010633][ C0] ipv6_getsockopt+0x230/0x2d0 [ 34.015421][ C0] ? __cfi_ipv6_getsockopt+0x10/0x10 [ 34.020728][ C0] tcp_getsockopt+0xff/0x130 [ 34.025341][ C0] sock_common_getsockopt+0xaa/0xc0 [ 34.030561][ C0] ? __cfi_sock_common_getsockopt+0x10/0x10 [ 34.036479][ C0] __sys_getsockopt+0x215/0x490 [ 34.041352][ C0] __x64_sys_getsockopt+0xbf/0xd0 [ 34.046400][ C0] x64_sys_call+0x3d/0x9a0 [ 34.050839][ C0] do_syscall_64+0x4c/0xa0 [ 34.055279][ C0] ? clear_bhb_loop+0x30/0x80 [ 34.059969][ C0] ? clear_bhb_loop+0x30/0x80 [ 34.064683][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 34.070598][ C0] RIP: 0033:0x7fcb58b9f76a [ 34.075028][ C0] Code: 48 83 ec 10 89 d2 48 63 ff 45 31 c9 6a 2a 45 31 c0 31 c9 e8 d8 99 fb ff 48 83 c4 18 c3 0f 1f 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 [ 34.094648][ C0] RSP: 002b:00007ffce00e3ee8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 [ 34.103077][ C0] RAX: ffffffffffffffda RBX: 00007ffce00e3f70 RCX: 00007fcb58b9f76a [ 34.111067][ C0] RDX: 0000000000000041 RSI: 0000000000000029 RDI: 0000000000000003 [ 34.119051][ C0] RBP: 0000000000000003 R08: 00007ffce00e3f0c R09: 0000000000000000 [ 34.127053][ C0] R10: 00007ffce00e3f70 R11: 0000000000000212 R12: 00007fcb58dee240 [ 34.135041][ C0] R13: 00007ffce00e3f0c R14: 0000000000000000 R15: 00007fcb58deefc0 [ 34.143039][ C0] [ 34.146435][ T298] CPU: 1 PID: 298 Comm: syz-executor Not tainted syzkaller #0 [ 34.154025][ T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 34.164113][ T298] Call Trace: [ 34.167424][ T298] [ 34.170384][ T298] __dump_stack+0x21/0x24 [ 34.174753][ T298] dump_stack_lvl+0x110/0x170 [ 34.179459][ T298] ? __cfi_dump_stack_lvl+0x8/0x8 [ 34.184511][ T298] ? unwind_get_return_address+0x4d/0x90 [ 34.190175][ T298] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 34.196372][ T298] dump_stack+0x15/0x24 [ 34.200558][ T298] should_fail_ex+0x3bf/0x510 [ 34.205251][ T298] __should_failslab+0xac/0xf0 [ 34.210040][ T298] should_failslab+0x9/0x20 [ 34.214567][ T298] __kmem_cache_alloc_node+0x3d/0x2d0 [ 34.219965][ T298] ? fib6_info_alloc+0x34/0xe0 [ 34.224759][ T298] ? fib6_info_alloc+0x34/0xe0 [ 34.229570][ T298] __kmalloc+0xa4/0x1e0 [ 34.233830][ T298] ? kasan_save_alloc_info+0x1f/0x30 [ 34.239139][ T298] fib6_info_alloc+0x34/0xe0 [ 34.243763][ T298] ip6_route_info_create+0x51b/0x14d0 [ 34.249166][ T298] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 34.255275][ T298] ? memcpy+0x56/0x70 [ 34.259296][ T298] addrconf_f6i_alloc+0x19c/0x3f0 [ 34.264367][ T298] ? __cfi_addrconf_f6i_alloc+0x10/0x10 [ 34.269946][ T298] ? kasan_save_alloc_info+0x1f/0x30 [ 34.275268][ T298] ? __kasan_kmalloc+0x95/0xb0 [ 34.276189][ T325] FAULT_INJECTION: forcing a failure. [ 34.276189][ T325] name failslab, interval 1, probability 1, space 0, times 66 [ 34.280077][ T298] ? ipv6_add_addr+0x411/0xe80 [ 34.280109][ T298] ? kmalloc_trace+0x40/0xb0 [ 34.302154][ T298] ipv6_add_addr+0x447/0xe80 [ 34.306785][ T298] ? ipv6_generate_stable_address+0x680/0x680 [ 34.312925][ T298] inet6_addr_add+0x45d/0x9c0 [ 34.317644][ T298] inet6_rtm_newaddr+0x74a/0xa10 [ 34.322607][ T298] ? __cfi_inet6_rtm_newaddr+0x10/0x10 [ 34.328086][ T298] ? ns_capable+0x8c/0xf0 [ 34.332432][ T298] ? netlink_net_capable+0x125/0x160 [ 34.337745][ T298] ? __cfi_inet6_rtm_newaddr+0x10/0x10 [ 34.343228][ T298] rtnetlink_rcv_msg+0xb28/0xde0 [ 34.348310][ T298] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 34.353799][ T298] ? __kernel_text_address+0xd/0x30 [ 34.359039][ T298] ? avc_has_perm_noaudit+0x390/0x490 [ 34.364473][ T298] ? memcpy+0x56/0x70 [ 34.368478][ T298] ? avc_has_perm_noaudit+0x30a/0x490 [ 34.373872][ T298] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 34.379638][ T298] ? kasan_save_alloc_info+0x1f/0x30 [ 34.384945][ T298] ? avc_has_perm+0x163/0x250 [ 34.389650][ T298] ? __alloc_skb+0x226/0x4a0 [ 34.394257][ T298] ? netlink_sendmsg+0x635/0xbd0 [ 34.399211][ T298] ? __sys_sendto+0x4ac/0x660 [ 34.403929][ T298] ? __cfi_avc_has_perm+0x10/0x10 [ 34.408974][ T298] ? selinux_nlmsg_lookup+0x38f/0x440 [ 34.414373][ T298] netlink_rcv_skb+0x200/0x450 [ 34.419152][ T298] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 34.424640][ T298] ? __cfi_netlink_rcv_skb+0x10/0x10 [ 34.429949][ T298] ? __netlink_lookup+0x387/0x3b0 [ 34.434999][ T298] rtnetlink_rcv+0x1c/0x20 [ 34.439439][ T298] netlink_unicast+0x8c1/0xa60 [ 34.444236][ T298] netlink_sendmsg+0x8b9/0xbd0 [ 34.449026][ T298] ? __cfi_netlink_sendmsg+0x10/0x10 [ 34.454325][ T298] ? security_socket_sendmsg+0x93/0xb0 [ 34.459808][ T298] __sys_sendto+0x4ac/0x660 [ 34.464399][ T298] ? __cfi___sys_sendto+0x10/0x10 [ 34.469475][ T298] ? blkcg_maybe_throttle_current+0x1e0/0xa20 [ 34.475585][ T298] ? __cfi_blkcg_maybe_throttle_current+0x10/0x10 [ 34.482041][ T298] ? fput+0x15b/0x1a0 [ 34.486048][ T298] __x64_sys_sendto+0xe5/0x100 [ 34.490837][ T298] x64_sys_call+0x83/0x9a0 [ 34.495281][ T298] do_syscall_64+0x4c/0xa0 [ 34.499723][ T298] ? clear_bhb_loop+0x30/0x80 [ 34.504413][ T298] ? clear_bhb_loop+0x30/0x80 [ 34.509109][ T298] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 34.515027][ T298] RIP: 0033:0x7f02b2d59117 [ 34.519461][ T298] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 34.539090][ T298] RSP: 002b:00007ffe98f57e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 34.547558][ T298] RAX: ffffffffffffffda RBX: 00005555778b0500 RCX: 00007f02b2d59117 [ 34.555546][ T298] RDX: 0000000000000040 RSI: 00007f02b3b54670 RDI: 0000000000000003 [ 34.563538][ T298] RBP: 0000000000000001 R08: 00007ffe98f57ea4 R09: 000000000000000c [ 34.571531][ T298] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 34.579644][ T298] R13: 0000000000000000 R14: 00007f02b3b54670 R15: 0000000000000000 [ 34.587638][ T298] [ 34.590670][ T289] CPU: 0 PID: 289 Comm: syz-executor Not tainted syzkaller #0 [ 34.598164][ T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 34.608245][ T289] Call Trace: [ 34.611536][ T289] [ 34.614488][ T289] __dump_stack+0x21/0x24 [ 34.618842][ T289] dump_stack_lvl+0x110/0x170 [ 34.623560][ T289] ? __cfi_dump_stack_lvl+0x8/0x8 [ 34.628607][ T289] ? kasan_set_track+0x60/0x70 [ 34.633392][ T289] ? kasan_set_track+0x4b/0x70 [ 34.638170][ T289] ? kasan_save_alloc_info+0x1f/0x30 [ 34.643476][ T289] ? __kasan_kmalloc+0x95/0xb0 [ 34.648265][ T289] dump_stack+0x15/0x24 [ 34.652445][ T289] should_fail_ex+0x3bf/0x510 [ 34.657140][ T289] __should_failslab+0xac/0xf0 [ 34.661927][ T289] should_failslab+0x9/0x20 [ 34.666446][ T289] kmem_cache_alloc_node+0x42/0x330 [ 34.671666][ T289] ? alloc_vmap_area+0x184/0x18c0 [ 34.676731][ T289] alloc_vmap_area+0x184/0x18c0 [ 34.681599][ T289] ? vm_map_ram+0x930/0x930 [ 34.686115][ T289] ? __kasan_kmalloc+0x95/0xb0 [ 34.690895][ T289] ? kmalloc_node_trace+0x3d/0xb0 [ 34.695938][ T289] __get_vm_area_node+0x160/0x360 [ 34.700981][ T289] __vmalloc_node_range+0x326/0x1440 [ 34.706285][ T289] ? alloc_counters+0x66/0x530 [ 34.711070][ T289] ? kasan_quarantine_put+0x34/0x190 [ 34.716375][ T289] ? __cfi___vmalloc_node_range+0x10/0x10 [ 34.722109][ T289] ? __cfi_selinux_capable+0x10/0x10 [ 34.727421][ T289] ? __kasan_check_write+0x14/0x20 [ 34.732563][ T289] ? alloc_counters+0x66/0x530 [ 34.737346][ T289] vzalloc+0x78/0x90 [ 34.741258][ T289] ? alloc_counters+0x66/0x530 [ 34.746045][ T289] alloc_counters+0x66/0x530 [ 34.750660][ T289] ? xt_find_table_lock+0x3c7/0x410 [ 34.755903][ T289] do_ip6t_get_ctl+0xa84/0x11b0 [ 34.760774][ T289] ? __kasan_check_write+0x14/0x20 [ 34.765923][ T289] ? __cfi_do_ip6t_get_ctl+0x10/0x10 [ 34.771231][ T289] ? do_ipv6_getsockopt+0x114f/0x2380 [ 34.776630][ T289] ? __cfi_do_ipv6_getsockopt+0x10/0x10 [ 34.782288][ T289] ? avc_has_perm_noaudit+0x30a/0x490 [ 34.787681][ T289] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 34.793444][ T289] ? __kasan_check_write+0x14/0x20 [ 34.798571][ T289] ? mutex_unlock+0x8f/0x230 [ 34.803190][ T289] ? __cfi_mutex_unlock+0x10/0x10 [ 34.808237][ T289] ? __cfi_avc_has_perm+0x10/0x10 [ 34.813302][ T289] ? selinux_socket_setsockopt+0x282/0x360 [ 34.819170][ T289] nf_getsockopt+0x27f/0x2a0 [ 34.823785][ T289] ipv6_getsockopt+0x230/0x2d0 [ 34.828570][ T289] ? __cfi_ipv6_getsockopt+0x10/0x10 [ 34.833883][ T289] tcp_getsockopt+0xff/0x130 [ 34.838526][ T289] sock_common_getsockopt+0xaa/0xc0 [ 34.843746][ T289] ? __cfi_sock_common_getsockopt+0x10/0x10 [ 34.849666][ T289] __sys_getsockopt+0x215/0x490 [ 34.854537][ T289] __x64_sys_getsockopt+0xbf/0xd0 [ 34.859579][ T289] x64_sys_call+0x3d/0x9a0 [ 34.864018][ T289] do_syscall_64+0x4c/0xa0 [ 34.868480][ T289] ? clear_bhb_loop+0x30/0x80 [ 34.873168][ T289] ? clear_bhb_loop+0x30/0x80 [ 34.877856][ T289] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 34.883769][ T289] RIP: 0033:0x7fcb58b9f76a [ 34.888200][ T289] Code: 48 83 ec 10 89 d2 48 63 ff 45 31 c9 6a 2a 45 31 c0 31 c9 e8 d8 99 fb ff 48 83 c4 18 c3 0f 1f 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 [ 34.907820][ T289] RSP: 002b:00007ffce00e3ee8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 [ 34.916272][ T289] RAX: ffffffffffffffda RBX: 00007ffce00e3f70 RCX: 00007fcb58b9f76a [ 34.924261][ T289] RDX: 0000000000000041 RSI: 0000000000000029 RDI: 0000000000000003 [ 34.932242][ T289] RBP: 0000000000000003 R08: 00007ffce00e3f0c R09: 0000000000000000 [ 34.940225][ T289] R10: 00007ffce00e3f70 R11: 0000000000000212 R12: 00007fcb58dee240 [ 34.948218][ T289] R13: 00007ffce00e3f0c R14: 0000000000000000 R15: 00007fcb58deefc0 [ 34.956207][ T289] [ 34.960667][ T298] FAULT_INJECTION: forcing a failure. [ 34.960667][ T298] name failslab, interval 1, probability 1, space 0, times 63 [ 34.973631][ T325] CPU: 0 PID: 325 Comm: syz-executor Not tainted syzkaller #0 [ 34.981131][ T325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 34.991214][ T325] Call Trace: [ 34.994509][ T325] [ 34.997458][ T325] __dump_stack+0x21/0x24 [ 35.001821][ T325] dump_stack_lvl+0x110/0x170 [ 35.006534][ T325] ? __cfi_dump_stack_lvl+0x8/0x8 [ 35.011582][ T325] dump_stack+0x15/0x24 [ 35.015757][ T325] should_fail_ex+0x3bf/0x510 [ 35.020451][ T325] ? vm_area_alloc+0xe9/0x1a0 [ 35.022992][ T92] FAULT_INJECTION: forcing a failure. [ 35.022992][ T92] name failslab, interval 1, probability 1, space 0, times 60 [ 35.025161][ T325] __should_failslab+0xac/0xf0 [ 35.042606][ T325] should_failslab+0x9/0x20 [ 35.047128][ T325] kmem_cache_alloc+0x3b/0x320 [ 35.051916][ T325] vm_area_alloc+0xe9/0x1a0 [ 35.056440][ T325] mmap_region+0xfab/0x2130 [ 35.060974][ T325] ? __cfi_mmap_region+0x10/0x10 [ 35.065938][ T325] ? mt_find+0x30d/0x410 [ 35.070201][ T325] ? __cfi_mt_find+0x10/0x10 [ 35.074809][ T325] ? get_unmapped_area+0x30c/0x370 [ 35.079950][ T325] do_mmap+0x858/0xdd0 [ 35.084046][ T325] ? __count_memcg_events+0x8f/0xe0 [ 35.089263][ T325] ? __cfi_do_mmap+0x10/0x10 [ 35.093881][ T325] vm_mmap_pgoff+0x206/0x3f0 [ 35.098484][ T325] ? security_task_prctl+0xe5/0x110 [ 35.103698][ T325] ? __cfi_vm_mmap_pgoff+0x10/0x10 [ 35.108821][ T325] ? __se_sys_prctl+0xe79/0x1170 [ 35.113785][ T325] ? __x64_sys_prctl+0xd0/0xd0 [ 35.118568][ T325] ksys_mmap_pgoff+0xf6/0x1d0 [ 35.123275][ T325] __x64_sys_mmap+0xfa/0x110 [ 35.127885][ T325] x64_sys_call+0x8fd/0x9a0 [ 35.132425][ T325] do_syscall_64+0x4c/0xa0 [ 35.136863][ T325] ? clear_bhb_loop+0x30/0x80 [ 35.141553][ T325] ? clear_bhb_loop+0x30/0x80 [ 35.146246][ T325] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 35.152166][ T325] RIP: 0033:0x7f5a7279dd02 [ 35.156598][ T325] Code: 4f 01 00 0f 1f 44 00 00 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 3b 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 6e 5b 5d c3 0f 1f 00 48 c7 c0 e8 ff ff ff 64 [ 35.176224][ T325] RSP: 002b:00007ffc26f4ca88 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 [ 35.184656][ T325] RAX: ffffffffffffffda RBX: 0000200001000000 RCX: 00007f5a7279dd02 [ 35.192687][ T325] RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000200001000000 [ 35.200686][ T325] RBP: 0000000000100022 R08: 00000000ffffffff R09: 0000000000000000 [ 35.208674][ T325] R10: 0000000000100022 R11: 0000000000000206 R12: 00007ffc26f4ccd8 [ 35.216665][ T325] R13: 0000000000000002 R14: 00007ffc26f4ccd8 R15: 000000000000000a [ 35.224660][ T325] [ 35.227696][ T298] CPU: 1 PID: 298 Comm: syz-executor Not tainted syzkaller #0 [ 35.235226][ T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 35.245329][ T298] Call Trace: [ 35.246067][ T326] FAULT_INJECTION: forcing a failure. [ 35.246067][ T326] name failslab, interval 1, probability 1, space 0, times 59 [ 35.248638][ T298] [ 35.248646][ T298] __dump_stack+0x21/0x24 [ 35.248676][ T298] dump_stack_lvl+0x110/0x170 [ 35.273356][ T298] ? __cfi_dump_stack_lvl+0x8/0x8 [ 35.278413][ T298] ? get_nohz_timer_target+0x7a/0x560 [ 35.283813][ T298] dump_stack+0x15/0x24 [ 35.287987][ T298] should_fail_ex+0x3bf/0x510 [ 35.292679][ T298] __should_failslab+0xac/0xf0 [ 35.297474][ T298] should_failslab+0x9/0x20 [ 35.301996][ T298] __kmem_cache_alloc_node+0x3d/0x2d0 [ 35.307396][ T298] ? rtnl_newlink+0x10a/0x20d0 [ 35.312188][ T298] ? mutex_spin_on_owner+0x2e1/0x450 [ 35.317495][ T298] ? rtnl_newlink+0x10a/0x20d0 [ 35.322282][ T298] kmalloc_trace+0x29/0xb0 [ 35.326714][ T298] ? __cfi_rtnl_newlink+0x10/0x10 [ 35.331765][ T298] rtnl_newlink+0x10a/0x20d0 [ 35.336375][ T298] ? mutex_can_spin_on_owner+0x280/0x280 [ 35.342036][ T298] ? __kasan_check_write+0x14/0x20 [ 35.346673][ T289] syz-executor: vmalloc error: size 48, vm_struct allocation failed, mode:0xdc0(GFP_KERNEL|__GFP_ZERO), nodemask=(null),cpuset= [ 35.347166][ T298] ? osq_unlock+0x26/0x100 [ 35.347178][ T289] syz0 [ 35.364800][ T298] ? __mutex_lock+0x1e5/0x1790 [ 35.372265][ T298] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 35.376824][ T289] ,mems_allowed=0 [ 35.379052][ T298] ? __cfi_rtnl_newlink+0x10/0x10 [ 35.387729][ T298] ? selinux_capable+0x2b6/0x3b0 [ 35.392690][ T298] ? __cfi_selinux_capable+0x10/0x10 [ 35.397994][ T298] ? cap_capable+0x1a6/0x230 [ 35.402603][ T298] ? __mutex_lock_slowpath+0xe/0x10 [ 35.407826][ T298] ? mutex_lock+0x10a/0x1b0 [ 35.412353][ T298] ? __cfi_mutex_lock+0x10/0x10 [ 35.417231][ T298] ? ns_capable+0x8c/0xf0 [ 35.421579][ T298] ? netlink_net_capable+0x125/0x160 [ 35.426898][ T298] ? __cfi_rtnl_newlink+0x10/0x10 [ 35.431959][ T298] rtnetlink_rcv_msg+0xb28/0xde0 [ 35.436929][ T298] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 35.442436][ T298] ? __kernel_text_address+0xd/0x30 [ 35.447699][ T298] ? avc_has_perm_noaudit+0x390/0x490 [ 35.453091][ T298] ? memcpy+0x56/0x70 [ 35.457095][ T298] ? avc_has_perm_noaudit+0x30a/0x490 [ 35.462485][ T298] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 35.468224][ T298] ? kasan_save_alloc_info+0x1f/0x30 [ 35.473533][ T298] ? avc_has_perm+0x163/0x250 [ 35.478223][ T298] ? __alloc_skb+0x226/0x4a0 [ 35.482831][ T298] ? netlink_sendmsg+0x635/0xbd0 [ 35.487785][ T298] ? __sys_sendto+0x4ac/0x660 [ 35.492506][ T298] ? __cfi_avc_has_perm+0x10/0x10 [ 35.497548][ T298] ? selinux_nlmsg_lookup+0x38f/0x440 [ 35.502947][ T298] netlink_rcv_skb+0x200/0x450 [ 35.507725][ T298] ? __cfi_rtnetlink_rcv_msg+0x10/0x10 [ 35.513297][ T298] ? __cfi_netlink_rcv_skb+0x10/0x10 [ 35.518602][ T298] ? __netlink_lookup+0x387/0x3b0 [ 35.523649][ T298] rtnetlink_rcv+0x1c/0x20 [ 35.528096][ T298] netlink_unicast+0x8c1/0xa60 [ 35.532886][ T298] netlink_sendmsg+0x8b9/0xbd0 [ 35.537673][ T298] ? __cfi_netlink_sendmsg+0x10/0x10 [ 35.543011][ T298] ? security_socket_sendmsg+0x93/0xb0 [ 35.548489][ T298] __sys_sendto+0x4ac/0x660 [ 35.553094][ T298] ? __cfi___sys_sendto+0x10/0x10 [ 35.558134][ T298] ? blkcg_maybe_throttle_current+0x1e0/0xa20 [ 35.564221][ T298] ? __cfi_blkcg_maybe_throttle_current+0x10/0x10 [ 35.570661][ T298] ? fput+0x15b/0x1a0 [ 35.574672][ T298] __x64_sys_sendto+0xe5/0x100 [ 35.579462][ T298] x64_sys_call+0x83/0x9a0 [ 35.583904][ T298] do_syscall_64+0x4c/0xa0 [ 35.588339][ T298] ? clear_bhb_loop+0x30/0x80 [ 35.593053][ T298] ? clear_bhb_loop+0x30/0x80 [ 35.597746][ T298] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 35.603658][ T298] RIP: 0033:0x7f02b2d59117 [ 35.608093][ T298] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 35.627738][ T298] RSP: 002b:00007ffe98f57e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 35.636169][ T298] RAX: ffffffffffffffda RBX: 00005555778b0500 RCX: 00007f02b2d59117 [ 35.644155][ T298] RDX: 0000000000000020 RSI: 00007f02b3b54670 RDI: 0000000000000003 [ 35.652142][ T298] RBP: 0000000000000001 R08: 00007ffe98f57e64 R09: 000000000000000c [ 35.660126][ T298] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 35.668109][ T298] R13: 0000000000000000 R14: 00007f02b3b54670 R15: 0000000000000000 [ 35.676097][ T298] [ 35.679176][ T326] CPU: 0 PID: 326 Comm: syz-executor Not tainted syzkaller #0 [ 35.686668][ T326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 35.696743][ T326] Call Trace: [ 35.700037][ T326] [ 35.702986][ T326] __dump_stack+0x21/0x24 [ 35.707353][ T326] dump_stack_lvl+0x110/0x170 [ 35.712050][ T326] ? __cfi_dump_stack_lvl+0x8/0x8 [ 35.717094][ T326] dump_stack+0x15/0x24 [ 35.721267][ T326] should_fail_ex+0x3bf/0x510 [ 35.725966][ T326] ? vm_area_alloc+0xe9/0x1a0 [ 35.730662][ T326] __should_failslab+0xac/0xf0 [ 35.735452][ T326] should_failslab+0x9/0x20 [ 35.739969][ T326] kmem_cache_alloc+0x3b/0x320 [ 35.744759][ T326] vm_area_alloc+0xe9/0x1a0 [ 35.749282][ T326] mmap_region+0xfab/0x2130 [ 35.753806][ T326] ? __kasan_check_read+0x11/0x20 [ 35.758851][ T326] ? __cfi_mmap_region+0x10/0x10 [ 35.763810][ T326] ? match_file+0x130/0x130 [ 35.768344][ T326] ? avc_has_perm+0x163/0x250 [ 35.773079][ T326] ? cap_mmap_addr+0x165/0x2e0 [ 35.777874][ T326] ? get_unmapped_area+0x30c/0x370 [ 35.783011][ T326] ? file_mmap_ok+0x127/0x180 [ 35.787710][ T326] do_mmap+0x858/0xdd0 [ 35.791801][ T326] ? __cfi_do_mmap+0x10/0x10 [ 35.796415][ T326] vm_mmap_pgoff+0x206/0x3f0 [ 35.801034][ T326] ? __cfi_vm_mmap_pgoff+0x10/0x10 [ 35.801700][ T323] FAULT_INJECTION: forcing a failure. [ 35.801700][ T323] name failslab, interval 1, probability 1, space 0, times 58 [ 35.806209][ T326] ? __vm_munmap+0x21d/0x310 [ 35.806242][ T326] vm_mmap+0x87/0xb0 [ 35.806264][ T326] elf_map+0x1aa/0x300 [ 35.831504][ T326] elf_load+0x87/0x370 [ 35.835598][ T326] load_elf_binary+0x10e4/0x2820 [ 35.840570][ T326] ? __cfi_load_elf_binary+0x10/0x10 [ 35.845885][ T326] ? _raw_read_unlock+0x25/0x40 [ 35.850757][ T326] ? load_misc_binary+0x5d6/0xb10 [ 35.855837][ T326] bprm_execve+0x782/0x1390 [ 35.860369][ T326] ? alloc_bprm+0x750/0x750 [ 35.864908][ T326] do_execveat_common+0x8e3/0xaa0 [ 35.869960][ T326] __x64_sys_execve+0x92/0xb0 [ 35.874664][ T326] x64_sys_call+0x98/0x9a0 [ 35.879098][ T326] do_syscall_64+0x4c/0xa0 [ 35.883536][ T326] ? clear_bhb_loop+0x30/0x80 [ 35.888226][ T326] ? clear_bhb_loop+0x30/0x80 [ 35.892914][ T326] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 35.898831][ T326] RIP: 0033:0x7f5ea11c6ad7 [ 35.903267][ T326] Code: Unable to access opcode bytes at 0x7f5ea11c6aad. [ 35.910298][ T326] RSP: 002b:00007f5ea1ff8de8 EFLAGS: 00000202 ORIG_RAX: 000000000000003b [ 35.918734][ T326] RAX: ffffffffffffffda RBX: 00007ffd373d3ed7 RCX: 00007f5ea11c6ad7 [ 35.926729][ T326] RDX: 00007ffd373d11a0 RSI: 00007ffd373d13e0 RDI: 00007ffd373d3ed7 [ 35.934724][ T326] RBP: 00007f5ea1ff8e60 R08: 00007ffd373d0f70 R09: 0000000000000000 [ 35.942720][ T326] R10: 0000000000000008 R11: 0000000000000202 R12: 00007ffd373d13e0 [ 35.950708][ T326] R13: 00007ffd373d11a0 R14: 0000000000000000 R15: 0000000000000000 [ 35.958708][ T326] [ 35.961751][ T323] CPU: 1 PID: 323 Comm: kworker/u4:5 Not tainted syzkaller #0 [ 35.969239][ T323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 35.977372][ T312] FAULT_INJECTION: forcing a failure. [ 35.977372][ T312] name failslab, interval 1, probability 1, space 0, times 56 [ 35.979359][ T323] Workqueue: writeback wb_workfn (flush-8:0) [ 35.998142][ T323] Call Trace: [ 36.001437][ T323] [ 36.004383][ T323] __dump_stack+0x21/0x24 [ 36.008737][ T323] dump_stack_lvl+0x110/0x170 [ 36.013442][ T323] ? __cfi_dump_stack_lvl+0x8/0x8 [ 36.018499][ T323] dump_stack+0x15/0x24 [ 36.022685][ T323] should_fail_ex+0x3bf/0x510 [ 36.027382][ T323] ? jbd2__journal_start+0x1df/0x6e0 [ 36.032694][ T323] __should_failslab+0xac/0xf0 [ 36.037508][ T323] should_failslab+0x9/0x20 [ 36.042035][ T323] kmem_cache_alloc+0x3b/0x320 [ 36.046821][ T323] ? jbd2__journal_start+0x13d/0x6e0 [ 36.052130][ T323] jbd2__journal_start+0x1df/0x6e0 [ 36.057269][ T323] __ext4_journal_start_sb+0x242/0x4a0 [ 36.062750][ T323] ext4_writepages+0xfcc/0x30a0 [ 36.067634][ T323] ? __cfi_ext4_writepages+0x10/0x10 [ 36.072976][ T323] ? __kasan_check_write+0x14/0x20 [ 36.078108][ T323] ? __cfi_ext4_writepages+0x10/0x10 [ 36.083421][ T323] do_writepages+0x3ab/0x600 [ 36.088031][ T323] ? __cfi____update_load_sum+0x10/0x10 [ 36.093604][ T323] ? xas_start+0x31d/0x3e0 [ 36.098056][ T323] ? __cfi_do_writepages+0x10/0x10 [ 36.103188][ T323] ? __cfi_wake_up_bit+0x10/0x10 [ 36.108153][ T323] ? __inode_add_lru+0xff/0x340 [ 36.113028][ T323] ? __kasan_check_write+0x14/0x20 [ 36.118167][ T323] ? __kasan_check_write+0x14/0x20 [ 36.123296][ T323] ? _raw_spin_lock+0x94/0xf0 [ 36.128007][ T323] __writeback_single_inode+0xd9/0xb10 [ 36.133508][ T323] ? wbc_attach_and_unlock_inode+0xce/0x500 [ 36.139443][ T323] writeback_sb_inodes+0x9fd/0x1610 [ 36.144675][ T323] ? queue_io+0x4b0/0x4b0 [ 36.149035][ T323] ? down_read_trylock+0x27f/0x660 [ 36.154179][ T323] __writeback_inodes_wb+0x127/0x400 [ 36.159536][ T323] wb_writeback+0x3ff/0x990 [ 36.164066][ T323] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 36.170075][ T323] ? __kasan_check_write+0x14/0x20 [ 36.175238][ T323] wb_workfn+0xae6/0xeb0 [ 36.179508][ T323] ? __cfi_wb_workfn+0x10/0x10 [ 36.184290][ T323] ? kthread_data+0x50/0xc0 [ 36.188841][ T323] ? finish_task_switch+0x16b/0x7c0 [ 36.194069][ T323] ? __schedule+0xbea/0x14b0 [ 36.198686][ T323] process_one_work+0x717/0xc30 [ 36.203561][ T323] worker_thread+0xa4d/0x11d0 [ 36.208264][ T323] kthread+0x281/0x320 [ 36.212350][ T323] ? __cfi_worker_thread+0x10/0x10 [ 36.217473][ T323] ? __cfi_kthread+0x10/0x10 [ 36.222088][ T323] ret_from_fork+0x1f/0x30 [ 36.226559][ T323] [ 36.229592][ T312] CPU: 0 PID: 312 Comm: udevd Not tainted syzkaller #0 [ 36.236468][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 36.246546][ T312] Call Trace: [ 36.249840][ T312] [ 36.252786][ T312] __dump_stack+0x21/0x24 [ 36.257149][ T312] dump_stack_lvl+0x110/0x170 [ 36.261885][ T312] ? __cfi_dump_stack_lvl+0x8/0x8 [ 36.266985][ T312] ? kasan_set_track+0x60/0x70 [ 36.271780][ T312] ? kasan_save_free_info+0x2b/0x40 [ 36.276999][ T312] ? ____kasan_slab_free+0x132/0x180 [ 36.282308][ T312] ? __kasan_slab_free+0x11/0x20 [ 36.287311][ T312] ? __kmem_cache_free+0xb7/0x1b0 [ 36.292370][ T312] ? kfree+0x6f/0xf0 [ 36.296285][ T312] ? kvfree+0x35/0x40 [ 36.300288][ T312] ? simple_xattr_set+0x534/0x560 [ 36.305332][ T312] dump_stack+0x15/0x24 [ 36.309521][ T312] should_fail_ex+0x3bf/0x510 [ 36.314232][ T312] __should_failslab+0xac/0xf0 [ 36.319028][ T312] should_failslab+0x9/0x20 [ 36.323573][ T312] __kmem_cache_alloc_node+0x3d/0x2d0 [ 36.329001][ T312] ? security_context_to_sid_core+0xe3/0x600 [ 36.335029][ T312] ? security_context_to_sid_core+0xe3/0x600 [ 36.341133][ T312] __kmalloc_node_track_caller+0xa1/0x1e0 [ 36.346892][ T312] kmemdup_nul+0x31/0xa0 [ 36.351171][ T312] security_context_to_sid_core+0xe3/0x600 [ 36.357023][ T312] ? kasan_quarantine_put+0x34/0x190 [ 36.362358][ T312] ? ____kasan_slab_free+0x13d/0x180 [ 36.367685][ T312] ? security_context_to_sid+0x50/0x50 [ 36.373179][ T312] ? ktime_get_coarse_real_ts64+0x10f/0x120 [ 36.379106][ T312] ? __kasan_check_write+0x14/0x20 [ 36.384243][ T312] ? inode_maybe_inc_iversion+0x13e/0x190 [ 36.389992][ T312] security_context_to_sid_force+0x38/0x50 [ 36.395837][ T312] selinux_inode_post_setxattr+0x112/0x490 [ 36.401691][ T312] ? __cfi_selinux_inode_post_setxattr+0x10/0x10 [ 36.408067][ T312] ? __cfi___fsnotify_parent+0x10/0x10 [ 36.413564][ T312] security_inode_post_setxattr+0xd8/0x130 [ 36.419405][ T312] __vfs_setxattr_noperm+0x493/0x5e0 [ 36.424726][ T312] __vfs_setxattr_locked+0x20e/0x230 [ 36.430051][ T312] vfs_setxattr+0x167/0x2e0 [ 36.434589][ T312] ? __cfi_vfs_setxattr+0x10/0x10 [ 36.439648][ T312] ? __kasan_check_write+0x14/0x20 [ 36.444796][ T312] setxattr+0x2a3/0x330 [ 36.448975][ T312] ? path_setxattr+0x290/0x290 [ 36.453772][ T312] ? __mnt_want_write+0x1e6/0x260 [ 36.458824][ T312] ? mnt_want_write+0x220/0x300 [ 36.463701][ T312] path_setxattr+0x147/0x290 [ 36.468319][ T312] ? simple_xattr_list_add+0x120/0x120 [ 36.473811][ T312] __x64_sys_lsetxattr+0xc2/0xe0 [ 36.478789][ T312] x64_sys_call+0x8b7/0x9a0 [ 36.483330][ T312] do_syscall_64+0x4c/0xa0 [ 36.487772][ T312] ? clear_bhb_loop+0x30/0x80 [ 36.492475][ T312] ? clear_bhb_loop+0x30/0x80 [ 36.497220][ T312] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 36.503176][ T312] RIP: 0033:0x7f9be791d57a [ 36.507617][ T312] Code: 48 83 c4 08 48 89 d8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 66 0f 1f 44 00 00 31 db eb e4 0f 1f 40 00 49 89 ca b8 bd 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4e 38 0d 00 f7 d8 64 89 01 48 [ 36.527246][ T312] RSP: 002b:00007ffefab7e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd [ 36.535699][ T312] RAX: ffffffffffffffda RBX: 000055732138f890 RCX: 00007f9be791d57a [ 36.543718][ T312] RDX: 000055732138f890 RSI: 00007f9be80c529c RDI: 00005573213707f0 [ 36.551709][ T312] RBP: 00005573211398d0 R08: 0000000000000000 R09: 000055732113e450 [ 36.559700][ T312] R10: 000000000000001b R11: 0000000000000246 R12: 00005573213707f0 [ 36.567654][ C1] FAULT_INJECTION: forcing a failure. [ 36.567654][ C1] name failslab, interval 1, probability 1, space 0, times 55 [ 36.567690][ T312] R13: 0000000000000001 R14: 00005572f321d6d7 R15: 00007ffefab7f5a0 [ 36.567712][ T312] [ 36.591411][ C1] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 36.598214][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 36.608304][ C1] Call Trace: [ 36.611614][ C1] [ 36.614472][ C1] __dump_stack+0x21/0x24 [ 36.618828][ C1] dump_stack_lvl+0x110/0x170 [ 36.623523][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 36.628574][ C1] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 36.634403][ C1] ? ref_tracker_alloc+0x345/0x4a0 [ 36.639536][ C1] dump_stack+0x15/0x24 [ 36.643713][ C1] should_fail_ex+0x3bf/0x510 [ 36.648419][ C1] __should_failslab+0xac/0xf0 [ 36.653260][ C1] should_failslab+0x9/0x20 [ 36.657786][ C1] __kmem_cache_alloc_node+0x3d/0x2d0 [ 36.663185][ C1] ? dst_cow_metrics_generic+0x55/0x1c0 [ 36.668750][ C1] ? dst_cow_metrics_generic+0x55/0x1c0 [ 36.674316][ C1] kmalloc_trace+0x29/0xb0 [ 36.678749][ C1] dst_cow_metrics_generic+0x55/0x1c0 [ 36.684144][ C1] icmp6_dst_alloc+0x389/0x510 [ 36.689116][ C1] ndisc_send_skb+0x2ad/0xcd0 [ 36.693835][ C1] ? __cfi_ndisc_send_skb+0x10/0x10 [ 36.699061][ C1] ? memset+0x35/0x40 [ 36.703061][ C1] ? __ndisc_fill_addr_option+0xd7/0x130 [ 36.708711][ C1] ndisc_send_rs+0x66a/0x870 [ 36.713314][ C1] addrconf_rs_timer+0x35a/0x600 [ 36.718311][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 36.723790][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 36.728834][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 36.734400][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 36.739879][ C1] call_timer_fn+0x46/0x2a0 [ 36.744409][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 36.749882][ C1] __run_timers+0x646/0x9b0 [ 36.754450][ C1] ? calc_index+0x200/0x200 [ 36.758988][ C1] ? kvm_sched_clock_read+0x18/0x40 [ 36.764227][ C1] run_timer_softirq+0x6a/0xf0 [ 36.769037][ C1] handle_softirqs+0x1d7/0x600 [ 36.773817][ C1] __irq_exit_rcu+0x52/0xf0 [ 36.778338][ C1] irq_exit_rcu+0x9/0x10 [ 36.782594][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 36.788250][ C1] [ 36.791192][ C1] [ 36.794136][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 36.800140][ C1] RIP: 0010:__printk_cpu_sync_wait+0xb/0x40 [ 36.806053][ C1] Code: 1d 5f 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 90 90 90 90 90 90 90 90 90 90 90 b8 0c 67 40 a5 55 48 89 e5 e8 17 92 19 00 f3 90 <48> c7 c7 c0 b9 11 87 be 04 00 00 00 e8 24 1f 5f 00 8b 05 7e e5 b9 [ 36.825670][ C1] RSP: 0018:ffffc9000079f6b0 EFLAGS: 00000293 [ 36.831758][ C1] RAX: ffffffff8157d44c RBX: ffffffff860afda0 RCX: ffff8881100f2880 [ 36.839749][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8711b9c0 [ 36.847737][ C1] RBP: ffffc9000079f6b0 R08: 0000000000000003 R09: 0000000000000004 [ 36.855721][ C1] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 36.863702][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff920000f3ed8 [ 36.871695][ C1] ? __printk_cpu_sync_wait+0x2c/0x40 [ 36.877092][ C1] dump_stack_lvl+0xce/0x170 [ 36.881702][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 36.886744][ C1] ? __schedule+0xbea/0x14b0 [ 36.891356][ C1] dump_stack+0x15/0x24 [ 36.895529][ C1] should_fail_ex+0x3bf/0x510 [ 36.900222][ C1] __should_failslab+0xac/0xf0 [ 36.905003][ C1] should_failslab+0x9/0x20 [ 36.909529][ C1] kmem_cache_alloc_node+0x42/0x330 [ 36.914750][ C1] ? __alloc_skb+0xe8/0x4a0 [ 36.919272][ C1] ? __kasan_check_write+0x14/0x20 [ 36.924396][ C1] __alloc_skb+0xe8/0x4a0 [ 36.928739][ C1] alloc_skb_with_frags+0xa8/0x620 [ 36.933864][ C1] ? memcpy+0x56/0x70 [ 36.937885][ C1] sock_alloc_send_pskb+0x87f/0x9a0 [ 36.943107][ C1] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 36.948839][ C1] ? __kasan_check_write+0x14/0x20 [ 36.953965][ C1] ? _raw_spin_lock+0x94/0xf0 [ 36.958677][ C1] ? __cfi__raw_spin_lock+0x10/0x10 [ 36.963912][ C1] unix_dgram_sendmsg+0x5c1/0x1710 [ 36.969486][ C1] ? selinux_socket_sendmsg+0x22f/0x340 [ 36.975054][ C1] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 36.980967][ C1] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 36.986537][ C1] ? security_socket_sendmsg+0x93/0xb0 [ 36.992022][ C1] __sys_sendto+0x4ac/0x660 [ 36.996541][ C1] ? __cfi___sys_sendto+0x10/0x10 [ 37.001579][ C1] ? __cfi_do_syslog+0x10/0x10 [ 37.006353][ C1] ? __sys_connect+0x267/0x460 [ 37.011129][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 37.016695][ C1] ? xfd_validate_state+0x70/0x150 [ 37.021826][ C1] ? __kasan_check_write+0x14/0x20 [ 37.026950][ C1] __x64_sys_sendto+0xe5/0x100 [ 37.031731][ C1] x64_sys_call+0x83/0x9a0 [ 37.036160][ C1] do_syscall_64+0x4c/0xa0 [ 37.040598][ C1] ? clear_bhb_loop+0x30/0x80 [ 37.045282][ C1] ? clear_bhb_loop+0x30/0x80 [ 37.049971][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 37.055879][ C1] RIP: 0033:0x7f801465a407 [ 37.060307][ C1] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 37.079926][ C1] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 37.088357][ C1] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 37.096341][ C1] RDX: 000000000000005b RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 37.104324][ C1] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 37.112308][ C1] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 37.120288][ C1] R13: 00007ffc79a5c9f0 R14: 0000000000000040 R15: 00007ffc79a5c9f0 [ 37.128276][ C1] [ 37.131389][ T289] CPU: 0 PID: 289 Comm: syz-executor Not tainted syzkaller #0 [ 37.138881][ T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 37.148951][ T289] Call Trace: [ 37.152247][ T289] [ 37.155190][ T289] __dump_stack+0x21/0x24 [ 37.159543][ T289] dump_stack_lvl+0x110/0x170 [ 37.164240][ T289] ? __cfi_dump_stack_lvl+0x8/0x8 [ 37.169283][ T289] dump_stack+0x15/0x24 [ 37.173464][ T289] warn_alloc+0x1dc/0x200 [ 37.177822][ T289] ? __cfi_warn_alloc+0x10/0x10 [ 37.182697][ T289] ? __get_vm_area_node+0x175/0x360 [ 37.187911][ T289] __vmalloc_node_range+0x34b/0x1440 [ 37.193214][ T289] ? kasan_quarantine_put+0x34/0x190 [ 37.198525][ T289] ? __cfi___vmalloc_node_range+0x10/0x10 [ 37.204261][ T289] ? __cfi_selinux_capable+0x10/0x10 [ 37.209568][ T289] ? __kasan_check_write+0x14/0x20 [ 37.214709][ T289] ? alloc_counters+0x66/0x530 [ 37.219534][ T289] vzalloc+0x78/0x90 [ 37.223446][ T289] ? alloc_counters+0x66/0x530 [ 37.228236][ T289] alloc_counters+0x66/0x530 [ 37.232848][ T289] ? xt_find_table_lock+0x3c7/0x410 [ 37.238070][ T289] do_ip6t_get_ctl+0xa84/0x11b0 [ 37.242943][ T289] ? __kasan_check_write+0x14/0x20 [ 37.248070][ T289] ? __cfi_do_ip6t_get_ctl+0x10/0x10 [ 37.253376][ T289] ? do_ipv6_getsockopt+0x114f/0x2380 [ 37.258772][ T289] ? __cfi_do_ipv6_getsockopt+0x10/0x10 [ 37.264350][ T289] ? avc_has_perm_noaudit+0x30a/0x490 [ 37.269734][ T289] ? __cfi_avc_has_perm_noaudit+0x10/0x10 [ 37.275474][ T289] ? __kasan_check_write+0x14/0x20 [ 37.280603][ T289] ? mutex_unlock+0x8f/0x230 [ 37.285220][ T289] ? __cfi_mutex_unlock+0x10/0x10 [ 37.290266][ T289] ? __cfi_avc_has_perm+0x10/0x10 [ 37.295314][ T289] ? selinux_socket_setsockopt+0x282/0x360 [ 37.301147][ T289] nf_getsockopt+0x27f/0x2a0 [ 37.305762][ T289] ipv6_getsockopt+0x230/0x2d0 [ 37.310552][ T289] ? __cfi_ipv6_getsockopt+0x10/0x10 [ 37.315867][ T289] tcp_getsockopt+0xff/0x130 [ 37.320498][ T289] sock_common_getsockopt+0xaa/0xc0 [ 37.325716][ T289] ? __cfi_sock_common_getsockopt+0x10/0x10 [ 37.331635][ T289] __sys_getsockopt+0x215/0x490 [ 37.336510][ T289] __x64_sys_getsockopt+0xbf/0xd0 [ 37.341601][ T289] x64_sys_call+0x3d/0x9a0 [ 37.346045][ T289] do_syscall_64+0x4c/0xa0 [ 37.350482][ T289] ? clear_bhb_loop+0x30/0x80 [ 37.355175][ T289] ? clear_bhb_loop+0x30/0x80 [ 37.359863][ T289] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 37.365778][ T289] RIP: 0033:0x7fcb58b9f76a [ 37.370209][ T289] Code: 48 83 ec 10 89 d2 48 63 ff 45 31 c9 6a 2a 45 31 c0 31 c9 e8 d8 99 fb ff 48 83 c4 18 c3 0f 1f 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 [ 37.389836][ T289] RSP: 002b:00007ffce00e3ee8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 [ 37.398265][ T289] RAX: ffffffffffffffda RBX: 00007ffce00e3f70 RCX: 00007fcb58b9f76a [ 37.406254][ T289] RDX: 0000000000000041 RSI: 0000000000000029 RDI: 0000000000000003 [ 37.414236][ T289] RBP: 0000000000000003 R08: 00007ffce00e3f0c R09: 0000000000000000 [ 37.422223][ T289] R10: 00007ffce00e3f70 R11: 0000000000000212 R12: 00007fcb58dee240 [ 37.430205][ T289] R13: 00007ffce00e3f0c R14: 0000000000000000 R15: 00007fcb58deefc0 [ 37.438202][ T289] [ 37.441236][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 37.448027][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 37.458103][ T92] Call Trace: [ 37.461391][ T92] [ 37.464335][ T92] __dump_stack+0x21/0x24 [ 37.468689][ T92] dump_stack_lvl+0x110/0x170 [ 37.473387][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 37.478439][ T92] ? __schedule+0xbea/0x14b0 [ 37.482578][ T327] FAULT_INJECTION: forcing a failure. [ 37.482578][ T327] name failslab, interval 1, probability 1, space 0, times 53 [ 37.483075][ T92] dump_stack+0x15/0x24 [ 37.499925][ T92] should_fail_ex+0x3bf/0x510 [ 37.504616][ T92] __should_failslab+0xac/0xf0 [ 37.509401][ T92] should_failslab+0x9/0x20 [ 37.513927][ T92] kmem_cache_alloc_node+0x42/0x330 [ 37.519155][ T92] ? __alloc_skb+0xe8/0x4a0 [ 37.523671][ T92] ? __kasan_check_write+0x14/0x20 [ 37.528821][ T92] __alloc_skb+0xe8/0x4a0 [ 37.533168][ T92] alloc_skb_with_frags+0xa8/0x620 [ 37.538298][ T92] ? memcpy+0x56/0x70 [ 37.542314][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 37.547580][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 37.553326][ T92] ? __kasan_check_write+0x14/0x20 [ 37.558464][ T92] ? _raw_spin_lock+0x94/0xf0 [ 37.563165][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 37.568422][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 37.573582][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 37.579143][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 37.585056][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 37.586850][ T323] EXT4-fs (sda1): ext4_writepages: jbd2_start: 13251 pages, ino 2022; err -12 [ 37.590624][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 37.604935][ T92] __sys_sendto+0x4ac/0x660 [ 37.609542][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 37.614586][ T92] ? __cfi_do_syslog+0x10/0x10 [ 37.619366][ T92] ? __sys_connect+0x267/0x460 [ 37.624161][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 37.629772][ T92] ? xfd_validate_state+0x70/0x150 [ 37.634914][ T92] ? __kasan_check_write+0x14/0x20 [ 37.640052][ T92] __x64_sys_sendto+0xe5/0x100 [ 37.644839][ T92] x64_sys_call+0x83/0x9a0 [ 37.649277][ T92] do_syscall_64+0x4c/0xa0 [ 37.653717][ T92] ? clear_bhb_loop+0x30/0x80 [ 37.658450][ T92] ? clear_bhb_loop+0x30/0x80 [ 37.663144][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 37.669063][ T92] RIP: 0033:0x7f801465a407 [ 37.673494][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 37.693295][ T92] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 37.701728][ T92] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 37.709714][ T92] RDX: 000000000000005b RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 37.717702][ T92] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 37.725688][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 37.733675][ T92] R13: 00007ffc79a5c9f0 R14: 0000000000000040 R15: 00007ffc79a5c9f0 [ 37.741665][ T92] [ 37.744698][ T327] CPU: 0 PID: 327 Comm: syz-executor Not tainted syzkaller #0 [ 37.752191][ T327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 37.755758][ T92] FAULT_INJECTION: forcing a failure. [ 37.755758][ T92] name failslab, interval 1, probability 1, space 0, times 49 [ 37.762271][ T327] Call Trace: [ 37.762279][ T327] [ 37.762286][ T327] __dump_stack+0x21/0x24 [ 37.785542][ T327] dump_stack_lvl+0x110/0x170 [ 37.790327][ T327] ? __cfi_dump_stack_lvl+0x8/0x8 [ 37.795379][ T327] dump_stack+0x15/0x24 [ 37.799567][ T327] should_fail_ex+0x3bf/0x510 [ 37.804297][ T327] ? vm_area_alloc+0xe9/0x1a0 [ 37.809020][ T327] __should_failslab+0xac/0xf0 [ 37.813843][ T327] should_failslab+0x9/0x20 [ 37.818368][ T327] kmem_cache_alloc+0x3b/0x320 [ 37.823156][ T327] vm_area_alloc+0xe9/0x1a0 [ 37.827684][ T327] mmap_region+0xfab/0x2130 [ 37.832212][ T327] ? __kasan_check_read+0x11/0x20 [ 37.837293][ T327] ? __cfi_mmap_region+0x10/0x10 [ 37.842265][ T327] ? mt_find+0x30d/0x410 [ 37.846537][ T327] ? __cfi_mt_find+0x10/0x10 [ 37.851152][ T327] ? get_unmapped_area+0x30c/0x370 [ 37.856290][ T327] ? file_mmap_ok+0x127/0x180 [ 37.856832][ T289] Mem-Info: [ 37.860988][ T327] do_mmap+0x858/0xdd0 [ 37.864124][ T289] active_anon:6173 inactive_anon:0 isolated_anon:0 [ 37.864124][ T289] active_file:5568 inactive_file:2286 isolated_file:0 [ 37.864124][ T289] unevictable:0 dirty:204 writeback:8 [ 37.864124][ T289] slab_reclaimable:7056 slab_unreclaimable:72542 [ 37.864124][ T289] mapped:23798 shmem:163 pagetables:419 [ 37.864124][ T289] sec_pagetables:0 bounce:0 [ 37.864124][ T289] kernel_misc_reclaimable:0 [ 37.864124][ T289] free:1549376 free_pcp:8557 free_cma:0 [ 37.868224][ T327] ? __cfi_do_mmap+0x10/0x10 [ 37.868257][ T327] vm_mmap_pgoff+0x206/0x3f0 [ 37.921974][ T327] ? __cfi_vm_mmap_pgoff+0x10/0x10 [ 37.927114][ T327] ? __vm_munmap+0x21d/0x310 [ 37.931751][ T327] vm_mmap+0x87/0xb0 [ 37.935689][ T327] elf_map+0x110/0x300 [ 37.939786][ T327] elf_load+0x87/0x370 [ 37.943890][ T327] load_elf_binary+0x10e4/0x2820 [ 37.948872][ T327] ? __cfi_load_elf_binary+0x10/0x10 [ 37.954278][ T327] ? _raw_read_unlock+0x25/0x40 [ 37.959157][ T327] ? load_misc_binary+0x5d6/0xb10 [ 37.964208][ T327] bprm_execve+0x782/0x1390 [ 37.966777][ T289] Node 0 active_anon:24692kB inactive_anon:0kB active_file:22272kB inactive_file:9152kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95192kB dirty:816kB writeback:0kB shmem:652kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:3936kB pagetables:1676kB sec_pagetables:0kB all_unreclaimable? no [ 37.968744][ T327] ? alloc_bprm+0x750/0x750 [ 38.005053][ T327] do_execveat_common+0x8e3/0xaa0 [ 38.010133][ T327] __x64_sys_execve+0x92/0xb0 [ 38.014844][ T327] x64_sys_call+0x98/0x9a0 [ 38.019292][ T327] do_syscall_64+0x4c/0xa0 [ 38.023749][ T327] ? clear_bhb_loop+0x30/0x80 [ 38.028488][ T327] ? clear_bhb_loop+0x30/0x80 [ 38.033193][ T327] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 38.036710][ T289] DMA32 free:2966484kB boost:0kB min:31276kB low:39092kB high:46908kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:2971888kB mlocked:0kB bounce:0kB free_pcp:5404kB local_pcp:5348kB free_cma:0kB [ 38.039151][ T327] RIP: 0033:0x7f5ea11c6ad7 [ 38.071721][ T327] Code: Unable to access opcode bytes at 0x7f5ea11c6aad. [ 38.078761][ T327] RSP: 002b:00007f5ea1ff8de8 EFLAGS: 00000202 ORIG_RAX: 000000000000003b [ 38.087201][ T327] RAX: ffffffffffffffda RBX: 00007ffd373d3ed7 RCX: 00007f5ea11c6ad7 [ 38.095204][ T327] RDX: 00007ffd373d11a0 RSI: 00007ffd373d13e0 RDI: 00007ffd373d3ed7 [ 38.096668][ T289] lowmem_reserve[]: 0 [ 38.103196][ T327] RBP: 00007f5ea1ff8e60 R08: 00007ffd373d0f70 R09: 0000000000000000 [ 38.103216][ T327] R10: 0000000000000008 R11: 0000000000000202 R12: 00007ffd373d13e0 [ 38.116660][ T312] SELinux: unable to map context to SIDfor (devtmpfs, 579), rc=12 [ 38.123647][ T327] R13: 00007ffd373d11a0 R14: 0000000000000000 R15: 0000000000000000 [ 38.131649][ T289] 3932 [ 38.139527][ T327] [ 38.141722][ T103] CPU: 0 PID: 103 Comm: udevd Not tainted syzkaller #0 [ 38.152214][ T103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 38.156692][ T289] 3932 [ 38.162283][ T103] Call Trace: [ 38.162283][ T289] 3932 [ 38.162298][ T289] Normal free:3231020kB boost:0kB min:42448kB low:53060kB high:63672kB reserved_highatomic:0KB active_anon:24692kB inactive_anon:0kB active_file:22272kB inactive_file:9152kB unevictable:0kB writepending:804kB present:5242880kB managed:4026400kB mlocked:0kB bounce:0kB free_pcp:28820kB local_pcp:9676kB free_cma:0kB [ 38.165084][ T103] [ 38.165094][ T103] __dump_stack+0x21/0x24 [ 38.169893][ T312] FAULT_INJECTION: forcing a failure. [ 38.169893][ T312] name failslab, interval 1, probability 1, space 0, times 47 [ 38.171164][ T103] dump_stack_lvl+0x110/0x170 [ 38.216661][ T289] lowmem_reserve[]: [ 38.220538][ T103] ? __cfi_dump_stack_lvl+0x8/0x8 [ 38.225223][ T289] 0 0 [ 38.229042][ T103] ? __cfi_woken_wake_function+0x10/0x10 [ 38.229079][ T103] ? __kasan_check_read+0x11/0x20 [ 38.246646][ T289] 0 [ 38.247453][ T103] dump_stack+0x15/0x24 [ 38.247483][ T103] should_fail_ex+0x3bf/0x510 [ 38.249989][ T289] 0 [ 38.254147][ T103] ? getname_flags+0xba/0x510 [ 38.266020][ T103] __should_failslab+0xac/0xf0 [ 38.270823][ T103] should_failslab+0x9/0x20 [ 38.275350][ T103] kmem_cache_alloc+0x3b/0x320 [ 38.280142][ T103] getname_flags+0xba/0x510 [ 38.284666][ T103] user_path_at_empty+0x2f/0x1c0 [ 38.286701][ T289] DMA32: 3*4kB [ 38.289634][ T103] do_readlinkat+0xd9/0x490 [ 38.289648][ T289] (M) 1*8kB [ 38.297632][ T103] ? ksys_read+0x1eb/0x260 [ 38.297655][ T103] ? cp_old_stat+0x4a0/0x4a0 [ 38.309878][ T103] ? __cfi_ksys_read+0x10/0x10 [ 38.314680][ T103] ? debug_smp_processor_id+0x17/0x20 [ 38.320082][ T103] __x64_sys_readlink+0x7f/0x90 [ 38.324962][ T103] x64_sys_call+0x87f/0x9a0 [ 38.326863][ T289] (M) 2*16kB [ 38.329490][ T103] do_syscall_64+0x4c/0xa0 [ 38.329504][ T289] (M) [ 38.329521][ T103] ? clear_bhb_loop+0x30/0x80 [ 38.332818][ T289] 3*32kB [ 38.337241][ T103] ? clear_bhb_loop+0x30/0x80 [ 38.337264][ T103] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 38.358155][ T103] RIP: 0033:0x7f9be79153a7 [ 38.362599][ T103] Code: 00 00 90 48 83 ec 10 48 63 ff 45 31 c9 45 31 c0 6a 00 31 c9 e8 8a 20 f9 ff 48 83 c4 18 c3 0f 1f 44 00 00 b8 59 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 21 ba 0d 00 f7 d8 64 89 02 48 [ 38.366659][ T289] (M) [ 38.382229][ T103] RSP: 002b:00007ffefab802f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000059 [ 38.382257][ T103] RAX: ffffffffffffffda RBX: 00007ffefab80500 RCX: 00007f9be79153a7 [ 38.401349][ T103] RDX: 0000000000000200 RSI: 00007ffefab80300 RDI: 00007ffefab80500 [ 38.409342][ T103] RBP: 00005573211392c0 R08: 0000000000000064 R09: 0000000000000000 [ 38.416686][ T289] 3*64kB (M) [ 38.417338][ T103] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffefab80300 [ 38.417356][ T103] R13: 00005572f3238100 R14: 0000000000000007 R15: 00007ffefab80b20 [ 38.420642][ T289] 3*128kB [ 38.428648][ T103] [ 38.443241][ T292] FAULT_INJECTION: forcing a failure. [ 38.443241][ T292] name failslab, interval 1, probability 1, space 0, times 46 [ 38.444986][ T312] CPU: 0 PID: 312 Comm: udevd Not tainted syzkaller #0 [ 38.462821][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 38.472905][ T312] Call Trace: [ 38.476214][ T312] [ 38.479171][ T312] __dump_stack+0x21/0x24 [ 38.483534][ T312] dump_stack_lvl+0x110/0x170 [ 38.488251][ T312] ? __cfi_dump_stack_lvl+0x8/0x8 [ 38.493305][ T312] ? avc_has_perm_noaudit+0x30a/0x490 [ 38.496746][ T289] (M) 3*256kB (M) [ 38.498702][ T312] ? slab_post_alloc_hook+0x4f/0x2d0 [ 38.498723][ T289] 3*512kB [ 38.498743][ T312] dump_stack+0x15/0x24 [ 38.502464][ T289] (M) 2*1024kB [ 38.507758][ T312] should_fail_ex+0x3bf/0x510 [ 38.507786][ T312] __should_failslab+0xac/0xf0 [ 38.527881][ T312] should_failslab+0x9/0x20 [ 38.532412][ T312] slab_pre_alloc_hook+0x30/0x1d0 [ 38.536670][ T289] (UM) 2*2048kB (M) [ 38.537469][ T312] kmem_cache_alloc_lru+0x49/0x280 [ 38.541389][ T289] 722*4096kB (M) = 2966484kB [ 38.546505][ T312] ? __d_alloc+0x34/0x6d0 [ 38.555439][ T312] ? __d_lookup_rcu+0x37b/0x400 [ 38.560318][ T312] __d_alloc+0x34/0x6d0 [ 38.564503][ T312] d_alloc_parallel+0xe2/0x1280 [ 38.569368][ T312] ? inode_permission+0xef/0x4b0 [ 38.574322][ T312] ? __cfi_d_alloc_parallel+0x10/0x10 [ 38.576664][ T289] Normal: 605*4kB (UME) [ 38.579711][ T312] ? clear_nonspinnable+0x60/0x60 [ 38.583980][ T289] 229*8kB [ 38.589008][ T312] ? __mnt_want_write+0x1e6/0x260 [ 38.589043][ T312] path_openat+0x95c/0x2f30 [ 38.601612][ T312] ? getname_flags+0xba/0x510 [ 38.606321][ T312] ? do_filp_open+0x420/0x420 [ 38.611040][ T312] do_filp_open+0x1ee/0x420 [ 38.615564][ T312] ? __cfi_do_filp_open+0x10/0x10 [ 38.620611][ T312] ? alloc_fd+0x4c1/0x570 [ 38.624961][ T312] do_sys_openat2+0x15e/0x820 [ 38.626694][ T289] (UME) 135*16kB (UME) [ 38.629661][ T312] ? do_sys_open+0xe0/0xe0 [ 38.633839][ T289] 150*32kB [ 38.638258][ T312] ? fput+0x15b/0x1a0 [ 38.638286][ T312] __x64_sys_openat+0x136/0x160 [ 38.650237][ T312] x64_sys_call+0x783/0x9a0 [ 38.654763][ T312] do_syscall_64+0x4c/0xa0 [ 38.659202][ T312] ? clear_bhb_loop+0x30/0x80 [ 38.663896][ T312] ? clear_bhb_loop+0x30/0x80 [ 38.666656][ T289] (UME) 102*64kB (UME) [ 38.668588][ T312] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 38.672765][ T289] 96*128kB [ 38.678651][ T312] RIP: 0033:0x7f9be78a7407 [ 38.678670][ T312] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 38.705894][ T312] RSP: 002b:00007ffefab7fd40 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 38.714328][ T312] RAX: ffffffffffffffda RBX: 00007f9be8005880 RCX: 00007f9be78a7407 [ 38.716665][ T289] (UME) 13*256kB [ 38.722353][ T312] RDX: 0000000000080241 RSI: 00007ffefab802a0 RDI: ffffffffffffff9c [ 38.722372][ T312] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 38.726011][ T289] (UM) 7*512kB [ 38.733986][ T312] R10: 00000000000001b6 R11: 0000000000000202 R12: 00005572f321ddfc [ 38.734001][ T312] R13: 00005572f321ddfc R14: 0000000000000001 R15: 00005572f3238140 [ 38.734021][ T312] [ 38.764437][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 38.771235][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 38.773953][ T312] FAULT_INJECTION: forcing a failure. [ 38.773953][ T312] name failslab, interval 1, probability 1, space 0, times 44 [ 38.781351][ T92] Call Trace: [ 38.781359][ T92] [ 38.781366][ T92] __dump_stack+0x21/0x24 [ 38.804607][ T92] dump_stack_lvl+0x110/0x170 [ 38.806819][ T289] (UME) 3*1024kB (ME) [ 38.809334][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 38.813446][ T289] 6*2048kB [ 38.818465][ T92] ? __schedule+0xbea/0x14b0 [ 38.818495][ T92] dump_stack+0x15/0x24 [ 38.830341][ T92] should_fail_ex+0x3bf/0x510 [ 38.835033][ T92] __should_failslab+0xac/0xf0 [ 38.836669][ T289] (UME) 776*4096kB [ 38.839817][ T92] should_failslab+0x9/0x20 [ 38.839829][ T289] (M) [ 38.839841][ T92] kmem_cache_alloc_node+0x42/0x330 [ 38.843643][ T289] = 3230796kB [ 38.848175][ T92] ? __alloc_skb+0xe8/0x4a0 [ 38.848197][ T92] ? __kasan_check_write+0x14/0x20 [ 38.851270][ T279] FAULT_INJECTION: forcing a failure. [ 38.851270][ T279] name failslab, interval 1, probability 1, space 0, times 44 [ 38.856079][ T92] __alloc_skb+0xe8/0x4a0 [ 38.876647][ T289] 8019 total pagecache pages [ 38.881635][ T92] alloc_skb_with_frags+0xa8/0x620 [ 38.885990][ T289] 0 pages in swap cache [ 38.890586][ T92] ? memcpy+0x56/0x70 [ 38.890613][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 38.909034][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 38.914776][ T92] ? __kasan_check_write+0x14/0x20 [ 38.919904][ T92] ? _raw_spin_lock+0x94/0xf0 [ 38.924607][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 38.926631][ T289] Free swap = 124996kB [ 38.929820][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 38.933975][ T289] Total swap = 124996kB [ 38.933984][ T289] 2097051 pages RAM [ 38.939081][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 38.939107][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 38.958542][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 38.964128][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 38.969604][ T92] __sys_sendto+0x4ac/0x660 [ 38.974120][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 38.979161][ T92] ? __cfi_do_syslog+0x10/0x10 [ 38.983952][ T92] ? __sys_connect+0x267/0x460 [ 38.988736][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 38.994292][ T92] ? xfd_validate_state+0x70/0x150 [ 38.999420][ T92] ? __kasan_check_write+0x14/0x20 [ 39.004548][ T92] __x64_sys_sendto+0xe5/0x100 [ 39.009327][ T92] x64_sys_call+0x83/0x9a0 [ 39.013756][ T92] do_syscall_64+0x4c/0xa0 [ 39.018189][ T92] ? clear_bhb_loop+0x30/0x80 [ 39.022881][ T92] ? clear_bhb_loop+0x30/0x80 [ 39.027569][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 39.033481][ T92] RIP: 0033:0x7f801465a407 [ 39.037902][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 39.057528][ T92] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 39.065954][ T92] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 39.073938][ T92] RDX: 0000000000000057 RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 39.081934][ T92] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 39.089926][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 39.097906][ T92] R13: 00007ffc79a5c9f0 R14: 000000000000003c R15: 00007ffc79a5c9f0 [ 39.105895][ T92] [ 39.109166][ T312] CPU: 0 PID: 312 Comm: udevd Not tainted syzkaller #0 [ 39.116050][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 39.126157][ T312] Call Trace: [ 39.129448][ T312] [ 39.132414][ T312] __dump_stack+0x21/0x24 [ 39.136767][ T312] dump_stack_lvl+0x110/0x170 [ 39.141462][ T312] ? __cfi_dump_stack_lvl+0x8/0x8 [ 39.146545][ T312] dump_stack+0x15/0x24 [ 39.150727][ T312] should_fail_ex+0x3bf/0x510 [ 39.155420][ T312] __should_failslab+0xac/0xf0 [ 39.160210][ T312] should_failslab+0x9/0x20 [ 39.164726][ T312] __kmem_cache_alloc_node+0x3d/0x2d0 [ 39.170123][ T312] ? uevent_show+0x163/0x350 [ 39.174742][ T312] ? uevent_show+0x163/0x350 [ 39.179360][ T312] kmalloc_trace+0x29/0xb0 [ 39.183804][ T312] uevent_show+0x163/0x350 [ 39.188273][ T312] dev_attr_show+0x64/0xe0 [ 39.192737][ T312] ? __cfi_dev_attr_show+0x10/0x10 [ 39.197874][ T312] sysfs_kf_seq_show+0x280/0x3a0 [ 39.202843][ T312] kernfs_seq_show+0x12a/0x180 [ 39.208074][ T312] seq_read_iter+0x4a6/0xd80 [ 39.212693][ T312] kernfs_fop_read_iter+0x14d/0x4e0 [ 39.217914][ T312] vfs_read+0x46e/0x930 [ 39.222092][ T312] ? __cfi_vfs_read+0x10/0x10 [ 39.226788][ T312] ? lock_vma_under_rcu+0x3f8/0x4f0 [ 39.232010][ T312] ? __kasan_check_read+0x11/0x20 [ 39.237055][ T312] ? __fdget_pos+0x2d4/0x380 [ 39.241663][ T312] ksys_read+0x14a/0x260 [ 39.245919][ T312] ? __cfi_ksys_read+0x10/0x10 [ 39.250698][ T312] ? do_user_addr_fault+0x9a5/0x1030 [ 39.256006][ T312] ? debug_smp_processor_id+0x17/0x20 [ 39.256735][ T289] 0 pages HighMem/MovableOnly [ 39.261400][ T312] __x64_sys_read+0x7b/0x90 [ 39.266091][ T289] 347479 pages reserved [ 39.266103][ T289] 0 pages cma reserved [ 39.270606][ T312] x64_sys_call+0x2f/0x9a0 [ 39.270637][ T312] do_syscall_64+0x4c/0xa0 [ 39.270661][ T312] ? clear_bhb_loop+0x30/0x80 [ 39.292459][ T312] ? clear_bhb_loop+0x30/0x80 [ 39.297158][ T312] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 39.303089][ T312] RIP: 0033:0x7f9be78a7407 [ 39.307527][ T312] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 39.327157][ T312] RSP: 002b:00007ffefab77c80 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 39.335607][ T312] RAX: ffffffffffffffda RBX: 00007f9be8005880 RCX: 00007f9be78a7407 [ 39.343603][ T312] RDX: 0000000000001000 RSI: 00005573214163c0 RDI: 0000000000000009 [ 39.351595][ T312] RBP: 00007f9be79efff0 R08: 0000000000000000 R09: 0000000000000000 [ 39.359587][ T312] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000a [ 39.367577][ T312] R13: 00007f9be79efea0 R14: 0000000000000000 R15: 0000557321417de0 [ 39.375583][ T312] [ 39.378633][ T292] CPU: 1 PID: 292 Comm: syz-executor Not tainted syzkaller #0 [ 39.386137][ T292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 39.396215][ T292] Call Trace: [ 39.399523][ T292] [ 39.402500][ T292] __dump_stack+0x21/0x24 [ 39.406861][ T292] dump_stack_lvl+0x110/0x170 [ 39.411571][ T292] ? __cfi_dump_stack_lvl+0x8/0x8 [ 39.416618][ T292] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 39.422103][ T292] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 39.428022][ T292] dump_stack+0x15/0x24 [ 39.432200][ T292] should_fail_ex+0x3bf/0x510 [ 39.436898][ T292] __should_failslab+0xac/0xf0 [ 39.441682][ T292] should_failslab+0x9/0x20 [ 39.446195][ T292] __kmem_cache_alloc_node+0x3d/0x2d0 [ 39.451584][ T292] ? nf_nat_masq_schedule+0x23c/0x500 [ 39.456980][ T292] ? detach_if_pending+0xf5/0x300 [ 39.462035][ T292] ? nf_nat_masq_schedule+0x23c/0x500 [ 39.467433][ T292] kmalloc_trace+0x29/0xb0 [ 39.471882][ T292] nf_nat_masq_schedule+0x23c/0x500 [ 39.477108][ T292] ? __kasan_check_write+0x14/0x20 [ 39.482278][ T292] ? __cfi_device_cmp+0x10/0x10 [ 39.487153][ T292] ? masq_device_event+0xd0/0xd0 [ 39.492177][ T292] ? nfqnl_rcv_dev_event+0x435/0x470 [ 39.497498][ T292] ? rtnl_is_locked+0x15/0x20 [ 39.502194][ T292] masq_device_event+0x9b/0xd0 [ 39.506978][ T292] raw_notifier_call_chain+0xa1/0x110 [ 39.512364][ T292] dev_close_many+0x325/0x4d0 [ 39.517063][ T292] ? __cfi_dev_close_many+0x10/0x10 [ 39.522282][ T292] ? __kasan_check_read+0x11/0x20 [ 39.527350][ T292] unregister_netdevice_many+0x43f/0x1910 [ 39.533094][ T292] ? add_timer+0x68/0x80 [ 39.537351][ T292] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 39.543526][ T292] ? __queue_delayed_work+0x173/0x200 [ 39.548927][ T292] ? queue_delayed_work_on+0x10d/0x160 [ 39.554407][ T292] ? linkwatch_fire_event+0x1dc/0x240 [ 39.559804][ T292] ? __kasan_check_read+0x11/0x20 [ 39.564845][ T292] unregister_netdevice_queue+0x2e1/0x320 [ 39.570587][ T292] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 39.576873][ T292] ? linkwatch_fire_event+0x208/0x240 [ 39.582280][ T292] __tun_detach+0xc9d/0x1450 [ 39.586895][ T292] tun_chr_close+0x92/0x140 [ 39.591428][ T292] ? __cfi_tun_chr_close+0x10/0x10 [ 39.596561][ T292] __fput+0x1fd/0x8f0 [ 39.600569][ T292] ____fput+0x15/0x20 [ 39.604568][ T292] task_work_run+0x1e1/0x250 [ 39.609176][ T292] ? __cfi_task_work_run+0x10/0x10 [ 39.614313][ T292] ? free_nsproxy+0x21f/0x270 [ 39.619012][ T292] do_exit+0xaf2/0x2850 [ 39.623203][ T292] ? lock_vma_under_rcu+0x3f8/0x4f0 [ 39.628423][ T292] ? __cfi_do_exit+0x10/0x10 [ 39.633035][ T292] ? __kasan_check_write+0x14/0x20 [ 39.638165][ T292] ? _raw_spin_lock_irq+0x95/0xf0 [ 39.643206][ T292] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 39.648772][ T292] ? xfd_validate_state+0x70/0x150 [ 39.653914][ T292] ? zap_other_threads+0x2c1/0x2f0 [ 39.659060][ T292] do_group_exit+0x21b/0x2e0 [ 39.663672][ T292] __x64_sys_exit_group+0x3f/0x40 [ 39.668716][ T292] x64_sys_call+0x7b4/0x9a0 [ 39.673233][ T292] do_syscall_64+0x4c/0xa0 [ 39.677672][ T292] ? clear_bhb_loop+0x30/0x80 [ 39.682362][ T292] ? clear_bhb_loop+0x30/0x80 [ 39.687062][ T292] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 39.692976][ T292] RIP: 0033:0x7f0c90f9df99 [ 39.697400][ T292] Code: Unable to access opcode bytes at 0x7f0c90f9df6f. [ 39.704431][ T292] RSP: 002b:00007ffdc2ba28e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 39.712901][ T292] RAX: ffffffffffffffda RBX: 00007f0c91034e6b RCX: 00007f0c90f9df99 [ 39.720893][ T292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 [ 39.728880][ T292] RBP: 00007f0c91009cf0 R08: 0000000000000000 R09: 00007ffdc2ba2a1c [ 39.736872][ T292] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c [ 39.744867][ T292] R13: 00007ffdc2ba2a1c R14: 0000000000000000 R15: 00007f0c911eefc0 [ 39.752862][ T292] [ 39.757401][ T279] CPU: 1 PID: 279 Comm: syz-executor Not tainted syzkaller #0 [ 39.760612][ T92] FAULT_INJECTION: forcing a failure. [ 39.760612][ T92] name failslab, interval 1, probability 1, space 0, times 42 [ 39.764944][ T279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 39.787687][ T279] Call Trace: [ 39.790981][ T279] [ 39.793924][ T279] __dump_stack+0x21/0x24 [ 39.798277][ T279] dump_stack_lvl+0x110/0x170 [ 39.802979][ T279] ? __cfi_dump_stack_lvl+0x8/0x8 [ 39.808026][ T279] ? kasan_set_track+0x60/0x70 [ 39.812853][ T279] ? kasan_set_track+0x4b/0x70 [ 39.817652][ T279] ? kasan_save_alloc_info+0x1f/0x30 [ 39.822963][ T279] ? __kasan_kmalloc+0x95/0xb0 [ 39.827750][ T279] dump_stack+0x15/0x24 [ 39.831973][ T279] should_fail_ex+0x3bf/0x510 [ 39.836669][ T279] __should_failslab+0xac/0xf0 [ 39.841463][ T279] should_failslab+0x9/0x20 [ 39.845984][ T279] slab_pre_alloc_hook+0x30/0x1d0 [ 39.851036][ T279] kmem_cache_alloc_lru+0x49/0x280 [ 39.856174][ T279] ? __d_alloc+0x34/0x6d0 [ 39.860533][ T279] __d_alloc+0x34/0x6d0 [ 39.864714][ T279] d_alloc_pseudo+0x1d/0x70 [ 39.869247][ T279] alloc_file_pseudo+0xe0/0x200 [ 39.874134][ T279] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 39.879612][ T279] ? __cfi_current_time+0x10/0x10 [ 39.884657][ T279] ? memset+0x35/0x40 [ 39.888654][ T279] ? create_pipe_files+0x299/0x6c0 [ 39.893813][ T279] ? memcpy+0x56/0x70 [ 39.897808][ T279] create_pipe_files+0x2e3/0x6c0 [ 39.902766][ T279] ? preempt_count_add+0x90/0x1b0 [ 39.907807][ T279] __do_pipe_flags+0x4f/0x200 [ 39.912513][ T279] do_pipe2+0xa7/0x190 [ 39.916594][ T279] ? __this_cpu_preempt_check+0x13/0x20 [ 39.922166][ T279] ? pipe_fcntl+0x510/0x510 [ 39.926879][ T279] ? debug_smp_processor_id+0x17/0x20 [ 39.932283][ T279] __x64_sys_pipe2+0x5a/0x70 [ 39.936916][ T279] x64_sys_call+0x258/0x9a0 [ 39.941441][ T279] do_syscall_64+0x4c/0xa0 [ 39.945902][ T279] ? clear_bhb_loop+0x30/0x80 [ 39.950594][ T279] ? clear_bhb_loop+0x30/0x80 [ 39.955296][ T279] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 39.961213][ T279] RIP: 0033:0x7f5ea119cfc9 [ 39.965641][ T279] Code: 38 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 eb aa e8 ea 34 00 00 66 2e 0f 1f 84 00 00 00 00 00 31 f6 b8 25 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 07 c3 66 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff [ 39.985608][ T279] RSP: 002b:00007ffd373d1398 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 39.994132][ T279] RAX: ffffffffffffffda RBX: 0000555585d9a1e0 RCX: 00007f5ea119cfc9 [ 40.002116][ T279] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd373d13b8 [ 40.010109][ T279] RBP: 00007ffd373d1980 R08: 0000000000000000 R09: 0000000000000000 [ 40.018120][ T279] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd373d14e0 [ 40.026122][ T279] R13: 0000555585d959e8 R14: 0000555585d9b738 R15: 00007ffd373d1500 [ 40.034136][ T279] [ 40.037234][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 40.037257][ C1] FAULT_INJECTION: forcing a failure. [ 40.037257][ C1] name failslab, interval 1, probability 1, space 0, times 42 [ 40.044029][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 40.066759][ T92] Call Trace: [ 40.070058][ T92] [ 40.073007][ T92] __dump_stack+0x21/0x24 [ 40.077359][ T92] dump_stack_lvl+0x110/0x170 [ 40.082100][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 40.087145][ T92] ? avc_has_perm+0x163/0x250 [ 40.091846][ T92] dump_stack+0x15/0x24 [ 40.096023][ T92] should_fail_ex+0x3bf/0x510 [ 40.100721][ T92] __should_failslab+0xac/0xf0 [ 40.105510][ T92] should_failslab+0x9/0x20 [ 40.110030][ T92] slab_pre_alloc_hook+0x30/0x1d0 [ 40.115078][ T92] kmem_cache_alloc_lru+0x49/0x280 [ 40.120211][ T92] ? sock_alloc_inode+0x28/0xc0 [ 40.125176][ T92] ? blkcg_maybe_throttle_current+0x1e0/0xa20 [ 40.131270][ T92] sock_alloc_inode+0x28/0xc0 [ 40.135993][ T92] ? __cfi_sock_alloc_inode+0x10/0x10 [ 40.141394][ T92] new_inode_pseudo+0x70/0x1f0 [ 40.146183][ T92] __sock_create+0x12c/0x7c0 [ 40.150798][ T92] ? fput+0x15b/0x1a0 [ 40.154809][ T92] __sys_socket+0xcd/0x1a0 [ 40.159261][ T92] __x64_sys_socket+0x7a/0x90 [ 40.163955][ T92] x64_sys_call+0x449/0x9a0 [ 40.168481][ T92] do_syscall_64+0x4c/0xa0 [ 40.172923][ T92] ? clear_bhb_loop+0x30/0x80 [ 40.177619][ T92] ? clear_bhb_loop+0x30/0x80 [ 40.182310][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 40.188234][ T92] RIP: 0033:0x7f80146d5707 [ 40.192668][ T92] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 40.212300][ T92] RSP: 002b:00007ffc79a5c8c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 40.220758][ T92] RAX: ffffffffffffffda RBX: 0000000000000057 RCX: 00007f80146d5707 [ 40.228755][ T92] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 40.236834][ T92] RBP: 00007f8014761560 R08: 0000000000000000 R09: 0000000000000000 [ 40.244821][ T92] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 40.252801][ T92] R13: 00007ffc79a5c9f0 R14: 000000000000003c R15: 00007ffc79a5c9f0 [ 40.260802][ T92] [ 40.263838][ C1] CPU: 1 PID: 279 Comm: syz-executor Not tainted syzkaller #0 [ 40.271414][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 40.281482][ C1] Call Trace: [ 40.284776][ C1] [ 40.287636][ C1] __dump_stack+0x21/0x24 [ 40.291993][ C1] dump_stack_lvl+0x110/0x170 [ 40.296706][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 40.301770][ C1] ? kfree_skbmem+0x10c/0x180 [ 40.306474][ C1] dump_stack+0x15/0x24 [ 40.310655][ C1] should_fail_ex+0x3bf/0x510 [ 40.315351][ C1] __should_failslab+0xac/0xf0 [ 40.320139][ C1] should_failslab+0x9/0x20 [ 40.324656][ C1] kmem_cache_alloc_node+0x42/0x330 [ 40.329874][ C1] ? __alloc_skb+0xe8/0x4a0 [ 40.334393][ C1] __alloc_skb+0xe8/0x4a0 [ 40.338737][ C1] br_info_notify+0xae/0x170 [ 40.343346][ C1] br_ifinfo_notify+0x2a/0x40 [ 40.348038][ C1] br_forward_delay_timer_expired+0x220/0x260 [ 40.354127][ C1] ? __cfi_br_forward_delay_timer_expired+0x10/0x10 [ 40.360734][ C1] call_timer_fn+0x46/0x2a0 [ 40.365270][ C1] ? __cfi_br_forward_delay_timer_expired+0x10/0x10 [ 40.371930][ C1] __run_timers+0x646/0x9b0 [ 40.376458][ C1] ? calc_index+0x200/0x200 [ 40.380980][ C1] ? kvm_sched_clock_read+0x18/0x40 [ 40.386241][ C1] run_timer_softirq+0x6a/0xf0 [ 40.391033][ C1] handle_softirqs+0x1d7/0x600 [ 40.395814][ C1] __irq_exit_rcu+0x52/0xf0 [ 40.400334][ C1] irq_exit_rcu+0x9/0x10 [ 40.404592][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 40.410249][ C1] [ 40.413194][ C1] [ 40.416149][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 40.422175][ C1] RIP: 0010:preempt_schedule_irq+0xa5/0x120 [ 40.428125][ C1] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 d1 fb 4c fc fb bf 01 00 00 00 46 e5 ff ff fa bf 01 00 00 00 e8 7b fd 4c fc 65 48 8b 1d c3 d4 [ 40.447759][ C1] RSP: 0018:ffffc90000d878a0 EFLAGS: 00000246 [ 40.453856][ C1] RAX: 1ffff11021abd8f1 RBX: ffffc90000d87978 RCX: ffffffff87b7b100 [ 40.461844][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 40.469848][ C1] RBP: ffffc90000d87928 R08: ffff88810d5ebcc7 R09: 1ffff11021abd798 [ 40.477837][ C1] R10: dffffc0000000000 R11: ffffed1021abd799 R12: 0000000000000000 [ 40.485830][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001b0f14 [ 40.493840][ C1] ? __cfi_preempt_schedule_irq+0x10/0x10 [ 40.499592][ C1] ? kernel_text_address+0xa0/0xd0 [ 40.504729][ C1] raw_irqentry_exit_cond_resched+0x29/0x30 [ 40.511016][ C1] irqentry_exit+0x37/0x40 [ 40.515496][ C1] sysvec_reschedule_ipi+0x78/0x80 [ 40.520647][ C1] asm_sysvec_reschedule_ipi+0x1b/0x20 [ 40.526165][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 40.531653][ C1] Code: e6 00 02 00 00 31 ff e8 ea 56 77 fc 49 81 e5 00 02 00 00 75 07 e8 1c 52 77 fc eb 06 e8 15 52 77 fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 40.551274][ C1] RSP: 0018:ffffc90000d87a20 EFLAGS: 00000293 [ 40.557371][ C1] RAX: ffffffff84fa142b RBX: ffffffff860afda0 RCX: ffff88810d5ebcc0 [ 40.565358][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 40.573353][ C1] RBP: ffffc90000d87ab0 R08: 0000000000000003 R09: 0000000000000004 [ 40.581334][ C1] R10: dffffc0000000000 R11: fffffbfff0e23738 R12: dffffc0000000000 [ 40.589325][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff920001b0f44 [ 40.597324][ C1] ? dump_stack_lvl+0x13b/0x170 [ 40.602235][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 40.607304][ C1] ? kasan_set_track+0x60/0x70 [ 40.612105][ C1] ? kasan_set_track+0x4b/0x70 [ 40.616903][ C1] ? kasan_save_alloc_info+0x1f/0x30 [ 40.622219][ C1] ? __kasan_kmalloc+0x95/0xb0 [ 40.627077][ C1] dump_stack+0x15/0x24 [ 40.631269][ C1] should_fail_ex+0x3bf/0x510 [ 40.635969][ C1] __should_failslab+0xac/0xf0 [ 40.640760][ C1] should_failslab+0x9/0x20 [ 40.645320][ C1] slab_pre_alloc_hook+0x30/0x1d0 [ 40.650379][ C1] kmem_cache_alloc_lru+0x49/0x280 [ 40.655517][ C1] ? __d_alloc+0x34/0x6d0 [ 40.659879][ C1] __d_alloc+0x34/0x6d0 [ 40.664067][ C1] d_alloc_pseudo+0x1d/0x70 [ 40.668603][ C1] alloc_file_pseudo+0xe0/0x200 [ 40.673496][ C1] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 40.678983][ C1] ? __cfi_current_time+0x10/0x10 [ 40.684041][ C1] ? memset+0x35/0x40 [ 40.688048][ C1] ? create_pipe_files+0x299/0x6c0 [ 40.693189][ C1] ? memcpy+0x56/0x70 [ 40.697193][ C1] create_pipe_files+0x2e3/0x6c0 [ 40.702169][ C1] ? preempt_count_add+0x90/0x1b0 [ 40.707214][ C1] __do_pipe_flags+0x4f/0x200 [ 40.711927][ C1] do_pipe2+0xa7/0x190 [ 40.716017][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 40.721589][ C1] ? pipe_fcntl+0x510/0x510 [ 40.726116][ C1] ? debug_smp_processor_id+0x17/0x20 [ 40.731512][ C1] __x64_sys_pipe2+0x5a/0x70 [ 40.736133][ C1] x64_sys_call+0x258/0x9a0 [ 40.740659][ C1] do_syscall_64+0x4c/0xa0 [ 40.745098][ C1] ? clear_bhb_loop+0x30/0x80 [ 40.749801][ C1] ? clear_bhb_loop+0x30/0x80 [ 40.754498][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 40.760422][ C1] RIP: 0033:0x7f5ea119cfc9 [ 40.764859][ C1] Code: 38 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 eb aa e8 ea 34 00 00 66 2e 0f 1f 84 00 00 00 00 00 31 f6 b8 25 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 07 c3 66 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff SYZFAIL: pipe failed (errno 12: Cannot allocate memory) [ 40.784487][ C1] RSP: 002b:00007ffd373d1398 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 40.792922][ C1] RAX: ffffffffffffffda RBX: 0000555585d9a1e0 RCX: 00007f5ea119cfc9 [ 40.800919][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd373d13b8 [ 40.809343][ C1] RBP: 00007ffd373d1980 R08: 0000000000000000 R09: 0000000000000000 [ 40.817362][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd373d14e0 [ 40.825354][ C1] R13: 0000555585d959e8 R14: 0000555585d9b738 R15: 00007ffd373d1500 [ 40.833353][ C1] [ 40.839641][ T92] socket: no more sockets [ 40.844437][ T60] FAULT_INJECTION: forcing a failure. [ 40.844437][ T60] name failslab, interval 1, probability 1, space 0, times 38 [ 40.854560][ T92] FAULT_INJECTION: forcing a failure. [ 40.854560][ T92] name failslab, interval 1, probability 1, space 0, times 38 [ 40.859168][ T60] CPU: 1 PID: 60 Comm: kworker/1:2 Not tainted syzkaller #0 [ 40.877250][ T60] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 40.887360][ T60] Workqueue: ipv6_addrconf addrconf_dad_work [ 40.893377][ T60] Call Trace: [ 40.896686][ T60] [ 40.899642][ T60] __dump_stack+0x21/0x24 [ 40.904039][ T60] dump_stack_lvl+0x110/0x170 [ 40.908768][ T60] ? __cfi_dump_stack_lvl+0x8/0x8 [ 40.913828][ T60] ? kasan_save_alloc_info+0x1f/0x30 [ 40.919146][ T60] dump_stack+0x15/0x24 [ 40.923339][ T60] should_fail_ex+0x3bf/0x510 [ 40.928050][ T60] ? dst_alloc+0x16a/0x1e0 [ 40.932498][ T60] __should_failslab+0xac/0xf0 [ 40.937328][ T60] should_failslab+0x9/0x20 [ 40.941854][ T60] kmem_cache_alloc+0x3b/0x320 [ 40.946642][ T60] ? __cfi_ip6_dst_gc+0x10/0x10 [ 40.951520][ T60] dst_alloc+0x16a/0x1e0 [ 40.955796][ T60] icmp6_dst_alloc+0xf8/0x510 [ 40.960517][ T60] ndisc_send_skb+0x2ad/0xcd0 [ 40.965277][ T60] ? __cfi_ndisc_send_skb+0x10/0x10 [ 40.970500][ T60] ? __kasan_check_write+0x14/0x20 [ 40.975639][ T60] ? __build_skb_around+0x24c/0x470 [ 40.980864][ T60] ? ndisc_ns_create+0x60d/0x920 [ 40.985845][ T60] ndisc_send_ns+0xd4/0x160 [ 40.990390][ T60] ? __cfi_ndisc_send_ns+0x10/0x10 [ 40.995538][ T60] ? mod_delayed_work_on+0xa8/0xe0 [ 40.997123][ T279] syz-executor (279) used greatest stack depth: 21920 bytes left [ 41.000689][ T60] addrconf_dad_work+0x9d6/0x14a0 [ 41.013462][ T60] ? __cfi_addrconf_dad_work+0x10/0x10 [ 41.016010][ T287] FAULT_INJECTION: forcing a failure. [ 41.016010][ T287] name failslab, interval 1, probability 1, space 0, times 38 [ 41.018972][ T60] ? __kasan_check_write+0x14/0x20 [ 41.036784][ T60] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 41.042703][ T60] process_one_work+0x717/0xc30 [ 41.047617][ T60] worker_thread+0xa4d/0x11d0 [ 41.052326][ T60] kthread+0x281/0x320 [ 41.056419][ T60] ? __cfi_worker_thread+0x10/0x10 [ 41.061547][ T60] ? __cfi_kthread+0x10/0x10 [ 41.066162][ T60] ret_from_fork+0x1f/0x30 [ 41.070604][ T60] [ 41.073637][ T287] CPU: 0 PID: 287 Comm: syz-executor Not tainted syzkaller #0 [ 41.081124][ T287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 41.091213][ T287] Call Trace: [ 41.094512][ T287] [ 41.097458][ T287] __dump_stack+0x21/0x24 [ 41.101809][ T287] dump_stack_lvl+0x110/0x170 [ 41.106502][ T287] ? __cfi_dump_stack_lvl+0x8/0x8 [ 41.111546][ T287] dump_stack+0x15/0x24 [ 41.115719][ T287] should_fail_ex+0x3bf/0x510 [ 41.120410][ T287] ? __sigqueue_alloc+0x13f/0x210 [ 41.125497][ T287] __should_failslab+0xac/0xf0 [ 41.130286][ T287] should_failslab+0x9/0x20 [ 41.134809][ T287] kmem_cache_alloc+0x3b/0x320 [ 41.139592][ T287] __sigqueue_alloc+0x13f/0x210 [ 41.144469][ T287] __send_signal_locked+0x19d/0xb70 [ 41.149685][ T287] ? __task_pid_nr_ns+0x1e2/0x280 [ 41.154775][ T287] do_notify_parent+0x6b1/0x820 [ 41.159651][ T287] ? __cfi_do_notify_parent+0x10/0x10 [ 41.165046][ T287] ? group_send_sig_info+0x2b7/0x2e0 [ 41.170355][ T287] ? __cfi_group_send_sig_info+0x10/0x10 [ 41.176009][ T287] ? kill_orphaned_pgrp+0x169/0x570 [ 41.181222][ T287] do_exit+0x176d/0x2850 [ 41.185493][ T287] ? __cfi_do_exit+0x10/0x10 [ 41.190101][ T287] ? wait_consider_task+0x11c0/0x2890 [ 41.195491][ T287] ? __kasan_check_write+0x14/0x20 [ 41.200624][ T287] ? __kasan_check_write+0x14/0x20 [ 41.205766][ T287] ? _raw_spin_lock_irq+0x95/0xf0 [ 41.210814][ T287] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 41.216552][ T287] do_group_exit+0x21b/0x2e0 [ 41.221255][ T287] ? __kasan_check_write+0x14/0x20 [ 41.226389][ T287] ? recalc_sigpending+0x180/0x1c0 [ 41.231519][ T287] get_signal+0x167c/0x1700 [ 41.236058][ T287] ? __cfi_get_signal+0x10/0x10 [ 41.240932][ T287] ? put_pid+0xc5/0x120 [ 41.245101][ T287] arch_do_signal_or_restart+0xd1/0x11c0 [ 41.250761][ T287] ? __cfi_child_wait_callback+0x10/0x10 [ 41.256412][ T287] ? __x64_sys_wait4+0x1b4/0x230 [ 41.261362][ T287] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 41.267532][ T287] ? __cfi___x64_sys_wait4+0x10/0x10 [ 41.272831][ T287] ? do_user_addr_fault+0x9a5/0x1030 [ 41.278146][ T287] exit_to_user_mode_loop+0x7a/0xb0 [ 41.283362][ T287] exit_to_user_mode_prepare+0x87/0xd0 [ 41.288833][ T287] syscall_exit_to_user_mode+0x1a/0x30 [ 41.294306][ T287] do_syscall_64+0x58/0xa0 [ 41.298778][ T287] ? clear_bhb_loop+0x30/0x80 [ 41.303466][ T287] ? clear_bhb_loop+0x30/0x80 [ 41.308156][ T287] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 41.314092][ T287] RIP: 0033:0x7f02b2d59117 [ 41.318523][ T287] Code: Unable to access opcode bytes at 0x7f02b2d590ed. [ 41.325558][ T287] RSP: 002b:00007ffe98f58710 EFLAGS: 00000202 ORIG_RAX: 000000000000003d [ 41.333988][ T287] RAX: fffffffffffffe00 RBX: 00005555778b0500 RCX: 00007f02b2d59117 [ 41.341976][ T287] RDX: 0000000040000000 RSI: 00007ffe98f5876c RDI: ffffffffffffffff [ 41.349967][ T287] RBP: 00007ffe98f5876c R08: 0000000000000000 R09: 0000000000000000 [ 41.357954][ T287] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008 [ 41.365943][ T287] R13: 0000000000000003 R14: 00007ffe98f589c8 R15: 0000000000000000 [ 41.373937][ T287] [ 41.377943][ T1] FAULT_INJECTION: forcing a failure. [ 41.377943][ T1] name failslab, interval 1, probability 1, space 0, times 36 [ 41.392309][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 41.399120][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 41.409203][ T92] Call Trace: [ 41.412503][ T92] [ 41.415465][ T92] __dump_stack+0x21/0x24 [ 41.419833][ T92] dump_stack_lvl+0x110/0x170 [ 41.424557][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 41.429636][ T92] ? __schedule+0xbea/0x14b0 [ 41.434277][ T92] dump_stack+0x15/0x24 [ 41.438472][ T92] should_fail_ex+0x3bf/0x510 [ 41.443242][ T92] __should_failslab+0xac/0xf0 [ 41.448049][ T92] should_failslab+0x9/0x20 [ 41.452595][ T92] kmem_cache_alloc_node+0x42/0x330 [ 41.457842][ T92] ? __alloc_skb+0xe8/0x4a0 [ 41.462375][ T92] ? __kasan_check_write+0x14/0x20 [ 41.467522][ T92] __alloc_skb+0xe8/0x4a0 [ 41.471885][ T92] alloc_skb_with_frags+0xa8/0x620 [ 41.477079][ T92] ? memcpy+0x56/0x70 [ 41.481098][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 41.486342][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 41.492098][ T92] ? __kasan_check_write+0x14/0x20 [ 41.497239][ T92] ? _raw_spin_lock+0x94/0xf0 [ 41.501948][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 41.507179][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 41.512335][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 41.517913][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 41.523844][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 41.529430][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 41.534918][ T92] __sys_sendto+0x4ac/0x660 [ 41.539451][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 41.544506][ T92] ? __cfi_do_syslog+0x10/0x10 [ 41.549326][ T92] ? __sys_connect+0x267/0x460 [ 41.554156][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 41.559735][ T92] ? xfd_validate_state+0x70/0x150 [ 41.564875][ T92] ? __kasan_check_write+0x14/0x20 [ 41.570026][ T92] __x64_sys_sendto+0xe5/0x100 [ 41.574846][ T92] x64_sys_call+0x83/0x9a0 [ 41.579305][ T92] do_syscall_64+0x4c/0xa0 [ 41.583762][ T92] ? clear_bhb_loop+0x30/0x80 [ 41.588473][ T92] ? clear_bhb_loop+0x30/0x80 [ 41.593175][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 41.599098][ T92] RIP: 0033:0x7f801465a407 [ 41.603553][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 41.623200][ T92] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 41.631656][ T92] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 41.639658][ T92] RDX: 0000000000000073 RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 41.647683][ T92] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 41.655685][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 41.663683][ T92] R13: 00007ffc79a5c9f0 R14: 0000000000000058 R15: 00007ffc79a5c9f0 [ 41.671697][ T92] [ 41.674833][ T1] CPU: 1 PID: 1 Comm: init Not tainted syzkaller #0 [ 41.681462][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 41.683942][ T92] FAULT_INJECTION: forcing a failure. [ 41.683942][ T92] name failslab, interval 1, probability 1, space 0, times 34 [ 41.691542][ T1] Call Trace: [ 41.691550][ T1] [ 41.691558][ T1] __dump_stack+0x21/0x24 [ 41.714785][ T1] dump_stack_lvl+0x110/0x170 [ 41.719483][ T1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 41.724529][ T1] dump_stack+0x15/0x24 [ 41.728714][ T1] should_fail_ex+0x3bf/0x510 [ 41.733414][ T1] ? fcntl_setlk+0xa6/0x1070 [ 41.738021][ T1] __should_failslab+0xac/0xf0 [ 41.742817][ T1] should_failslab+0x9/0x20 [ 41.747339][ T1] kmem_cache_alloc+0x3b/0x320 [ 41.752142][ T1] fcntl_setlk+0xa6/0x1070 [ 41.756588][ T1] ? __fsnotify_parent+0x72a/0x820 [ 41.761731][ T1] ? avc_has_perm+0x163/0x250 [ 41.766430][ T1] ? __cfi_fcntl_setlk+0x10/0x10 [ 41.771415][ T1] ? __cfi_avc_has_perm+0x10/0x10 [ 41.776459][ T1] ? __kasan_check_write+0x14/0x20 [ 41.781584][ T1] do_fcntl+0x582/0x1110 [ 41.785846][ T1] ? match_file+0x130/0x130 [ 41.790376][ T1] ? kill_fasync+0x210/0x210 [ 41.794990][ T1] ? security_file_fcntl+0x95/0xc0 [ 41.800122][ T1] __se_sys_fcntl+0xdf/0x1b0 [ 41.804735][ T1] ? debug_smp_processor_id+0x17/0x20 [ 41.810128][ T1] __x64_sys_fcntl+0x7b/0x90 [ 41.814735][ T1] x64_sys_call+0x1a9/0x9a0 [ 41.819266][ T1] do_syscall_64+0x4c/0xa0 [ 41.823695][ T1] ? clear_bhb_loop+0x30/0x80 [ 41.828385][ T1] ? clear_bhb_loop+0x30/0x80 [ 41.833074][ T1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 41.838990][ T1] RIP: 0033:0x7f78c2106add [ 41.843415][ T1] Code: 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 c7 44 24 b8 10 00 00 00 48 89 44 24 c8 83 fe 09 74 1a b8 48 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 23 c3 66 2e 0f 1f 84 00 00 00 00 00 48 8d 54 [ 41.863037][ T1] RSP: 002b:00007fff17204f18 EFLAGS: 00000293 ORIG_RAX: 0000000000000048 [ 41.871465][ T1] RAX: ffffffffffffffda RBX: 000055a659103560 RCX: 00007f78c2106add [ 41.879488][ T1] RDX: 00007fff17204f20 RSI: 0000000000000007 RDI: 0000000000000003 [ 41.887473][ T1] RBP: 00007fff17204f98 R08: 0000000000000000 R09: 0000000000000000 [ 41.895452][ T1] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 41.903432][ T1] R13: ffffffffffffff88 R14: 0000000000000002 R15: 000055a61df7ed98 [ 41.911417][ T1] [ 41.914474][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 41.921267][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 41.931353][ T92] Call Trace: [ 41.934654][ T92] [ 41.937605][ T92] __dump_stack+0x21/0x24 [ 41.941970][ T92] dump_stack_lvl+0x110/0x170 [ 41.946698][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 41.951754][ T92] ? __schedule+0xbea/0x14b0 [ 41.956382][ T92] dump_stack+0x15/0x24 [ 41.960570][ T92] should_fail_ex+0x3bf/0x510 [ 41.965271][ T92] __should_failslab+0xac/0xf0 [ 41.970055][ T92] should_failslab+0x9/0x20 [ 41.974574][ T92] kmem_cache_alloc_node+0x42/0x330 [ 41.979788][ T92] ? __alloc_skb+0xe8/0x4a0 [ 41.984305][ T92] ? __kasan_check_write+0x14/0x20 [ 41.989429][ T92] __alloc_skb+0xe8/0x4a0 [ 41.993776][ T92] alloc_skb_with_frags+0xa8/0x620 [ 41.998904][ T92] ? memcpy+0x56/0x70 [ 42.002897][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 42.008117][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 42.013854][ T92] ? __kasan_check_write+0x14/0x20 [ 42.018984][ T92] ? _raw_spin_lock+0x94/0xf0 [ 42.023682][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 42.028896][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 42.034028][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 42.039594][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 42.045508][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 42.051079][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 42.056562][ T92] __sys_sendto+0x4ac/0x660 [ 42.061088][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 42.066139][ T92] ? __cfi_do_syslog+0x10/0x10 [ 42.070922][ T92] ? __sys_connect+0x267/0x460 [ 42.075714][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 42.081288][ T92] ? xfd_validate_state+0x70/0x150 [ 42.086428][ T92] ? __kasan_check_write+0x14/0x20 [ 42.091574][ T92] __x64_sys_sendto+0xe5/0x100 [ 42.096367][ T92] x64_sys_call+0x83/0x9a0 [ 42.100807][ T92] do_syscall_64+0x4c/0xa0 [ 42.105244][ T92] ? clear_bhb_loop+0x30/0x80 [ 42.109936][ T92] ? clear_bhb_loop+0x30/0x80 [ 42.114638][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 42.120554][ T92] RIP: 0033:0x7f801465a407 [ 42.124990][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.144639][ T92] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 42.153102][ T92] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 42.161184][ T92] RDX: 000000000000004e RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 42.169182][ T92] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 42.177168][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 42.185152][ T92] R13: 00007ffc79a5c9f0 R14: 0000000000000033 R15: 00007ffc79a5c9f0 [ 42.193165][ T92] [ 42.197551][ T290] FAULT_INJECTION: forcing a failure. [ 42.197551][ T290] name failslab, interval 1, probability 1, space 0, times 34 [ 42.210988][ T290] CPU: 1 PID: 290 Comm: syz-executor Not tainted syzkaller #0 [ 42.218489][ T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 42.228576][ T290] Call Trace: [ 42.231888][ T290] [ 42.234889][ T290] __dump_stack+0x21/0x24 [ 42.239259][ T290] dump_stack_lvl+0x110/0x170 [ 42.243975][ T290] ? __cfi_dump_stack_lvl+0x8/0x8 [ 42.249038][ T290] ? tun_chr_close+0x92/0x140 [ 42.253746][ T290] ? do_exit+0xaf2/0x2850 [ 42.258129][ T290] ? __x64_sys_exit_group+0x3f/0x40 [ 42.263412][ T290] ? x64_sys_call+0x7b4/0x9a0 [ 42.268127][ T290] ? do_syscall_64+0x4c/0xa0 [ 42.272753][ T290] dump_stack+0x15/0x24 [ 42.276956][ T290] should_fail_ex+0x3bf/0x510 [ 42.281671][ T290] __should_failslab+0xac/0xf0 [ 42.286479][ T290] should_failslab+0x9/0x20 [ 42.291016][ T290] kmem_cache_alloc_node+0x42/0x330 [ 42.296255][ T290] ? __alloc_skb+0xe8/0x4a0 [ 42.300796][ T290] __alloc_skb+0xe8/0x4a0 [ 42.305150][ T290] rtmsg_ifa+0xfa/0x1e0 [ 42.309336][ T290] __inet_del_ifa+0x80b/0xd90 [ 42.314048][ T290] ? ip_mc_destroy_dev+0x2a3/0x2e0 [ 42.319199][ T290] inetdev_event+0x6a0/0x10a0 [ 42.323916][ T290] ? __cfi_inetdev_event+0x10/0x10 [ 42.329063][ T290] ? arp_netdev_event+0xd4/0x2b0 [ 42.334041][ T290] raw_notifier_call_chain+0xa1/0x110 [ 42.339442][ T290] unregister_netdevice_many+0x104a/0x1910 [ 42.345295][ T290] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 42.351496][ T290] ? __queue_delayed_work+0x188/0x200 [ 42.356932][ T290] ? queue_delayed_work_on+0x10d/0x160 [ 42.362438][ T290] ? linkwatch_fire_event+0x1dc/0x240 [ 42.367865][ T290] ? __kasan_check_read+0x11/0x20 [ 42.372938][ T290] unregister_netdevice_queue+0x2e1/0x320 [ 42.378671][ T92] FAULT_INJECTION: forcing a failure. [ 42.378671][ T92] name failslab, interval 1, probability 1, space 0, times 32 [ 42.378708][ T290] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 42.397652][ T290] ? linkwatch_fire_event+0x208/0x240 [ 42.403064][ T290] __tun_detach+0xc9d/0x1450 [ 42.407688][ T290] tun_chr_close+0x92/0x140 [ 42.412215][ T290] ? __cfi_tun_chr_close+0x10/0x10 [ 42.417350][ T290] __fput+0x1fd/0x8f0 [ 42.421360][ T290] ____fput+0x15/0x20 [ 42.425363][ T290] task_work_run+0x1e1/0x250 [ 42.429983][ T290] ? __cfi_task_work_run+0x10/0x10 [ 42.435125][ T290] ? free_nsproxy+0x21f/0x270 [ 42.439830][ T290] do_exit+0xaf2/0x2850 [ 42.444014][ T290] ? __cfi_do_exit+0x10/0x10 [ 42.448636][ T290] ? __kasan_check_write+0x14/0x20 [ 42.453767][ T290] ? _raw_spin_lock_irq+0x95/0xf0 [ 42.458816][ T290] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 42.464398][ T290] ? xfd_validate_state+0x70/0x150 [ 42.469541][ T290] ? zap_other_threads+0x2c1/0x2f0 [ 42.474694][ T290] do_group_exit+0x21b/0x2e0 [ 42.479333][ T290] __x64_sys_exit_group+0x3f/0x40 [ 42.484401][ T290] x64_sys_call+0x7b4/0x9a0 [ 42.488937][ T290] do_syscall_64+0x4c/0xa0 [ 42.493388][ T290] ? clear_bhb_loop+0x30/0x80 [ 42.498094][ T290] ? clear_bhb_loop+0x30/0x80 [ 42.502799][ T290] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 42.508723][ T290] RIP: 0033:0x7f2504b9df99 [ 42.513192][ T290] Code: Unable to access opcode bytes at 0x7f2504b9df6f. [ 42.520221][ T290] RSP: 002b:00007ffc94649a68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 42.528654][ T290] RAX: ffffffffffffffda RBX: 00007f2504c34339 RCX: 00007f2504b9df99 [ 42.536649][ T290] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 42.544651][ T290] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f2504c34314 [ 42.552638][ T290] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc9464acc0 [ 42.560626][ T290] R13: 00007f2504c34314 R14: 00000000000062fa R15: 00007ffc9464ad00 [ 42.568618][ T290] [ 42.571654][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 42.578447][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 42.588519][ T92] Call Trace: [ 42.591813][ T92] [ 42.594773][ T92] __dump_stack+0x21/0x24 [ 42.599173][ T92] dump_stack_lvl+0x110/0x170 [ 42.603882][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 42.608940][ T92] ? __schedule+0xbea/0x14b0 [ 42.613568][ T92] dump_stack+0x15/0x24 [ 42.617761][ T92] should_fail_ex+0x3bf/0x510 [ 42.622491][ T92] __should_failslab+0xac/0xf0 [ 42.627312][ T92] should_failslab+0x9/0x20 [ 42.631859][ T92] kmem_cache_alloc_node+0x42/0x330 [ 42.637107][ T92] ? __alloc_skb+0xe8/0x4a0 [ 42.641635][ T92] ? __kasan_check_write+0x14/0x20 [ 42.646768][ T92] __alloc_skb+0xe8/0x4a0 [ 42.651135][ T92] alloc_skb_with_frags+0xa8/0x620 [ 42.656272][ T92] ? memcpy+0x56/0x70 [ 42.660276][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 42.665523][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 42.671266][ T92] ? __kasan_check_write+0x14/0x20 [ 42.676404][ T92] ? _raw_spin_lock+0x94/0xf0 [ 42.681112][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 42.686342][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 42.691486][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 42.697057][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 42.702973][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 42.708552][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 42.714043][ T92] __sys_sendto+0x4ac/0x660 [ 42.718609][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 42.723660][ T92] ? __cfi_do_syslog+0x10/0x10 [ 42.728450][ T92] ? __sys_connect+0x267/0x460 [ 42.733237][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 42.738807][ T92] ? xfd_validate_state+0x70/0x150 [ 42.743944][ T92] ? __kasan_check_write+0x14/0x20 [ 42.749084][ T92] __x64_sys_sendto+0xe5/0x100 [ 42.753882][ T92] x64_sys_call+0x83/0x9a0 [ 42.758329][ T92] do_syscall_64+0x4c/0xa0 [ 42.762776][ T92] ? clear_bhb_loop+0x30/0x80 [ 42.767473][ T92] ? clear_bhb_loop+0x30/0x80 [ 42.772167][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 42.778099][ T92] RIP: 0033:0x7f801465a407 [ 42.782567][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.802450][ T92] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 42.810883][ T92] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 42.818874][ T92] RDX: 000000000000004e RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 42.826867][ T92] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 42.834859][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 42.842851][ T92] R13: 00007ffc79a5c9f0 R14: 0000000000000033 R15: 00007ffc79a5c9f0 [ 42.850939][ T92] [ 42.878574][ T310] FAULT_INJECTION: forcing a failure. [ 42.878574][ T310] name failslab, interval 1, probability 1, space 0, times 28 [ 42.892833][ T310] CPU: 0 PID: 310 Comm: kworker/0:4 Not tainted syzkaller #0 [ 42.900250][ T310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 42.910369][ T310] Workqueue: ipv6_addrconf addrconf_dad_work [ 42.916379][ T310] Call Trace: [ 42.919676][ T310] [ 42.922622][ T310] __dump_stack+0x21/0x24 [ 42.926979][ T310] dump_stack_lvl+0x110/0x170 [ 42.931678][ T310] ? __cfi_dump_stack_lvl+0x8/0x8 [ 42.936719][ T310] ? calc_wheel_index+0x136/0x8d0 [ 42.941765][ T310] dump_stack+0x15/0x24 [ 42.945936][ T310] should_fail_ex+0x3bf/0x510 [ 42.950628][ T310] __should_failslab+0xac/0xf0 [ 42.955413][ T310] should_failslab+0x9/0x20 [ 42.960016][ T310] kmem_cache_alloc_node+0x42/0x330 [ 42.965244][ T310] ? __alloc_skb+0xe8/0x4a0 [ 42.969765][ T310] __alloc_skb+0xe8/0x4a0 [ 42.974116][ T310] ndisc_ns_create+0x26e/0x920 [ 42.978897][ T310] ndisc_send_ns+0xb7/0x160 [ 42.983423][ T310] ? __cfi_ndisc_send_ns+0x10/0x10 [ 42.988547][ T310] ? mod_delayed_work_on+0xa8/0xe0 [ 42.993714][ T310] addrconf_dad_work+0x9d6/0x14a0 [ 42.998757][ T310] ? class_for_each_device+0x21d/0x290 [ 43.004238][ T310] ? __cfi_addrconf_dad_work+0x10/0x10 [ 43.009718][ T310] ? __kasan_check_write+0x14/0x20 [ 43.014847][ T310] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 43.020785][ T310] process_one_work+0x717/0xc30 [ 43.025655][ T310] worker_thread+0xa4d/0x11d0 [ 43.030354][ T310] kthread+0x281/0x320 [ 43.034447][ T310] ? __cfi_worker_thread+0x10/0x10 [ 43.039578][ T310] ? __cfi_kthread+0x10/0x10 [ 43.044191][ T310] ret_from_fork+0x1f/0x30 [ 43.048637][ T310] [ 43.059367][ T92] FAULT_INJECTION: forcing a failure. [ 43.059367][ T92] name failslab, interval 1, probability 1, space 0, times 27 [ 43.072468][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 43.079274][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 43.089362][ T92] Call Trace: [ 43.092664][ T92] [ 43.095618][ T92] __dump_stack+0x21/0x24 [ 43.099983][ T92] dump_stack_lvl+0x110/0x170 [ 43.104697][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 43.109770][ T92] dump_stack+0x15/0x24 [ 43.113967][ T92] should_fail_ex+0x3bf/0x510 [ 43.118679][ T92] __should_failslab+0xac/0xf0 [ 43.123478][ T92] should_failslab+0x9/0x20 [ 43.128011][ T92] kmem_cache_alloc_node+0x42/0x330 [ 43.133241][ T92] ? __alloc_skb+0xe8/0x4a0 [ 43.137773][ T92] __alloc_skb+0xe8/0x4a0 [ 43.142128][ T92] alloc_skb_with_frags+0xa8/0x620 [ 43.147271][ T92] ? memcpy+0x56/0x70 [ 43.151289][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 43.156525][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 43.162293][ T92] ? __kasan_check_write+0x14/0x20 [ 43.167414][ T92] ? _raw_spin_lock+0x94/0xf0 [ 43.172104][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 43.177310][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 43.182435][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 43.187984][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 43.193881][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 43.199474][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 43.204967][ T92] __sys_sendto+0x4ac/0x660 [ 43.209499][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 43.214543][ T92] ? __cfi_do_syslog+0x10/0x10 [ 43.219320][ T92] ? __sys_connect+0x267/0x460 [ 43.224130][ T92] __x64_sys_sendto+0xe5/0x100 [ 43.228913][ T92] x64_sys_call+0x83/0x9a0 [ 43.233367][ T92] do_syscall_64+0x4c/0xa0 [ 43.237797][ T92] ? clear_bhb_loop+0x30/0x80 [ 43.242566][ T92] ? clear_bhb_loop+0x30/0x80 [ 43.247250][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 43.253157][ T92] RIP: 0033:0x7f801465a407 [ 43.257583][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 43.277282][ T92] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 43.285742][ T92] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 43.293729][ T92] RDX: 0000000000000052 RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 43.301748][ T92] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 43.309768][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 43.317752][ T92] R13: 00007ffc79a5c9f0 R14: 0000000000000037 R15: 00007ffc79a5c9f0 [ 43.325737][ T92] [ 43.334909][ T24] FAULT_INJECTION: forcing a failure. [ 43.334909][ T24] name failslab, interval 1, probability 1, space 0, times 24 [ 43.347891][ T24] CPU: 1 PID: 24 Comm: kworker/1:0 Not tainted syzkaller #0 [ 43.349976][ T92] FAULT_INJECTION: forcing a failure. [ 43.349976][ T92] name failslab, interval 1, probability 1, space 0, times 24 [ 43.355216][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 43.377970][ T24] Workqueue: ipv6_addrconf addrconf_dad_work [ 43.383988][ T24] Call Trace: [ 43.387285][ T24] [ 43.390235][ T24] __dump_stack+0x21/0x24 [ 43.394597][ T24] dump_stack_lvl+0x110/0x170 [ 43.399299][ T24] ? __cfi_dump_stack_lvl+0x8/0x8 [ 43.404358][ T24] ? kasan_set_track+0x60/0x70 [ 43.409155][ T24] ? kasan_save_alloc_info+0x1f/0x30 [ 43.414468][ T24] ? __kasan_slab_alloc+0x72/0x80 [ 43.419522][ T24] ? slab_post_alloc_hook+0x4f/0x2d0 [ 43.424999][ T24] ? kmem_cache_alloc+0x166/0x320 [ 43.430078][ T24] dump_stack+0x15/0x24 [ 43.434277][ T24] should_fail_ex+0x3bf/0x510 [ 43.438981][ T24] __should_failslab+0xac/0xf0 [ 43.443782][ T24] should_failslab+0x9/0x20 [ 43.448348][ T24] __kmem_cache_alloc_node+0x3d/0x2d0 [ 43.453756][ T24] ? ref_tracker_alloc+0x16b/0x4a0 [ 43.458902][ T24] ? ref_tracker_alloc+0x16b/0x4a0 [ 43.464042][ T24] kmalloc_trace+0x29/0xb0 [ 43.468531][ T24] ref_tracker_alloc+0x16b/0x4a0 [ 43.473507][ T24] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 43.479001][ T24] ? slab_post_alloc_hook+0x6d/0x2d0 [ 43.484404][ T24] ? dst_alloc+0x16a/0x1e0 [ 43.488854][ T24] dst_init+0xc4/0x3d0 [ 43.492982][ T24] ? __cfi_ip6_dst_gc+0x10/0x10 [ 43.497868][ T24] dst_alloc+0x191/0x1e0 [ 43.502157][ T24] icmp6_dst_alloc+0xf8/0x510 [ 43.506874][ T24] ndisc_send_skb+0x2ad/0xcd0 [ 43.511573][ T24] ? __cfi_ndisc_send_skb+0x10/0x10 [ 43.516794][ T24] ? __kasan_check_write+0x14/0x20 [ 43.521930][ T24] ? __build_skb_around+0x24c/0x470 [ 43.527163][ T24] ? ndisc_ns_create+0x60d/0x920 [ 43.532141][ T24] ndisc_send_ns+0xd4/0x160 [ 43.536662][ T24] ? __cfi_ndisc_send_ns+0x10/0x10 [ 43.541791][ T24] ? mod_delayed_work_on+0xa8/0xe0 [ 43.546933][ T24] addrconf_dad_work+0x9d6/0x14a0 [ 43.551980][ T24] ? __cfi_addrconf_dad_work+0x10/0x10 [ 43.557553][ T24] ? __kasan_check_write+0x14/0x20 [ 43.562741][ T24] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 43.568672][ T24] process_one_work+0x717/0xc30 [ 43.573564][ T24] worker_thread+0xa4d/0x11d0 [ 43.578284][ T24] kthread+0x281/0x320 [ 43.582392][ T24] ? __cfi_worker_thread+0x10/0x10 [ 43.587533][ T24] ? __cfi_kthread+0x10/0x10 [ 43.592163][ T24] ret_from_fork+0x1f/0x30 [ 43.596616][ T24] [ 43.599742][ T24] memory allocation failure, unreliable refcount tracker. [ 43.600443][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 43.613676][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 43.623763][ T92] Call Trace: [ 43.627068][ T92] [ 43.630029][ T92] __dump_stack+0x21/0x24 [ 43.634524][ T92] dump_stack_lvl+0x110/0x170 [ 43.639233][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 43.644292][ T92] ? __schedule+0xbea/0x14b0 [ 43.648917][ T92] dump_stack+0x15/0x24 [ 43.653116][ T92] should_fail_ex+0x3bf/0x510 [ 43.657826][ T92] __should_failslab+0xac/0xf0 [ 43.662624][ T92] should_failslab+0x9/0x20 [ 43.667157][ T92] kmem_cache_alloc_node+0x42/0x330 [ 43.672388][ T92] ? __alloc_skb+0xe8/0x4a0 [ 43.676922][ T92] ? __kasan_check_write+0x14/0x20 [ 43.682067][ T92] __alloc_skb+0xe8/0x4a0 [ 43.686428][ T92] alloc_skb_with_frags+0xa8/0x620 [ 43.691566][ T92] ? memcpy+0x56/0x70 [ 43.695579][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 43.700813][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 43.706563][ T92] ? __kasan_check_write+0x14/0x20 [ 43.711699][ T92] ? _raw_spin_lock+0x94/0xf0 [ 43.716403][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 43.721632][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 43.726787][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 43.732366][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 43.738295][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 43.743885][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 43.749379][ T92] __sys_sendto+0x4ac/0x660 [ 43.753923][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 43.758982][ T92] ? __cfi_do_syslog+0x10/0x10 [ 43.763781][ T92] ? __sys_connect+0x267/0x460 [ 43.768573][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 43.774152][ T92] ? xfd_validate_state+0x70/0x150 [ 43.779298][ T92] ? __kasan_check_write+0x14/0x20 [ 43.784480][ T92] __x64_sys_sendto+0xe5/0x100 [ 43.789284][ T92] x64_sys_call+0x83/0x9a0 [ 43.793756][ T92] do_syscall_64+0x4c/0xa0 [ 43.798212][ T92] ? clear_bhb_loop+0x30/0x80 [ 43.802917][ T92] ? clear_bhb_loop+0x30/0x80 [ 43.807651][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 43.813581][ T92] RIP: 0033:0x7f801465a407 [ 43.818026][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 43.837675][ T92] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 43.846134][ T92] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 43.854144][ T92] RDX: 0000000000000049 RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 43.862138][ T92] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 43.870134][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 43.878166][ T92] R13: 00007ffc79a5c9f0 R14: 000000000000002e R15: 00007ffc79a5c9f0 [ 43.886169][ T92] [ 43.889859][ T92] FAULT_INJECTION: forcing a failure. [ 43.889859][ T92] name failslab, interval 1, probability 1, space 0, times 22 [ 43.902831][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 43.909636][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 43.919701][ T92] Call Trace: [ 43.922993][ T92] [ 43.925930][ T92] __dump_stack+0x21/0x24 [ 43.930280][ T92] dump_stack_lvl+0x110/0x170 [ 43.934984][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 43.940022][ T92] dump_stack+0x15/0x24 [ 43.944195][ T92] should_fail_ex+0x3bf/0x510 [ 43.948885][ T92] ? sk_prot_alloc+0x5f/0x320 [ 43.953586][ T92] __should_failslab+0xac/0xf0 [ 43.958372][ T92] should_failslab+0x9/0x20 [ 43.962892][ T92] kmem_cache_alloc+0x3b/0x320 [ 43.967677][ T92] ? kasan_save_alloc_info+0x1f/0x30 [ 43.972975][ T92] sk_prot_alloc+0x5f/0x320 [ 43.977497][ T92] sk_alloc+0x3b/0x460 [ 43.981583][ T92] unix_create1+0xb8/0x710 [ 43.986020][ T92] unix_create+0x149/0x200 [ 43.990463][ T92] __sock_create+0x39e/0x7c0 [ 43.995074][ T92] __sys_socket+0xcd/0x1a0 [ 43.999533][ T92] __x64_sys_socket+0x7a/0x90 [ 44.004311][ T92] x64_sys_call+0x449/0x9a0 [ 44.008827][ T92] do_syscall_64+0x4c/0xa0 [ 44.013266][ T92] ? clear_bhb_loop+0x30/0x80 [ 44.017955][ T92] ? clear_bhb_loop+0x30/0x80 [ 44.022658][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 44.028569][ T92] RIP: 0033:0x7f80146d5707 [ 44.032994][ T92] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 44.052644][ T92] RSP: 002b:00007ffc79a5c8c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 44.061333][ T92] RAX: ffffffffffffffda RBX: 0000000000000049 RCX: 00007f80146d5707 [ 44.069320][ T92] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 44.077332][ T92] RBP: 00007f8014761560 R08: 0000000000000000 R09: 0000000000000000 [ 44.085313][ T92] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 44.093293][ T92] R13: 00007ffc79a5c9f0 R14: 000000000000002e R15: 00007ffc79a5c9f0 [ 44.101286][ T92] [ 44.106580][ T309] FAULT_INJECTION: forcing a failure. [ 44.106580][ T309] name failslab, interval 1, probability 1, space 0, times 21 [ 44.119969][ T309] CPU: 0 PID: 309 Comm: kworker/0:3 Not tainted syzkaller #0 [ 44.127470][ T309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.137596][ T309] Workqueue: ipv6_addrconf addrconf_dad_work [ 44.139065][ T92] FAULT_INJECTION: forcing a failure. [ 44.139065][ T92] name failslab, interval 1, probability 1, space 0, times 21 [ 44.143627][ T309] Call Trace: [ 44.143636][ T309] [ 44.162604][ T309] __dump_stack+0x21/0x24 [ 44.166979][ T309] dump_stack_lvl+0x110/0x170 [ 44.171696][ T309] ? __cfi_dump_stack_lvl+0x8/0x8 [ 44.176771][ T309] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 44.182612][ T309] ? ref_tracker_alloc+0x345/0x4a0 [ 44.187758][ T309] dump_stack+0x15/0x24 [ 44.191947][ T309] should_fail_ex+0x3bf/0x510 [ 44.196662][ T309] __should_failslab+0xac/0xf0 [ 44.201467][ T309] should_failslab+0x9/0x20 [ 44.206010][ T309] __kmem_cache_alloc_node+0x3d/0x2d0 [ 44.211509][ T309] ? dst_cow_metrics_generic+0x55/0x1c0 [ 44.217093][ T309] ? dst_cow_metrics_generic+0x55/0x1c0 [ 44.222667][ T309] kmalloc_trace+0x29/0xb0 [ 44.227105][ T309] dst_cow_metrics_generic+0x55/0x1c0 [ 44.232502][ T309] icmp6_dst_alloc+0x389/0x510 [ 44.237297][ T309] ndisc_send_skb+0x2ad/0xcd0 [ 44.241992][ T309] ? __cfi_ndisc_send_skb+0x10/0x10 [ 44.247215][ T309] ? memcpy+0x56/0x70 [ 44.251217][ T309] ? __ndisc_fill_addr_option+0xde/0x130 [ 44.256872][ T309] ndisc_send_rs+0x66a/0x870 [ 44.261489][ T309] addrconf_dad_completed+0x958/0xe80 [ 44.266885][ T309] ? addrconf_dad_stop+0x440/0x440 [ 44.272019][ T309] ? mod_delayed_work_on+0xa8/0xe0 [ 44.277161][ T309] addrconf_dad_work+0xc1b/0x14a0 [ 44.282213][ T309] ? __cfi_addrconf_dad_work+0x10/0x10 [ 44.287710][ T309] ? __kasan_check_write+0x14/0x20 [ 44.292854][ T309] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 44.299043][ T309] process_one_work+0x717/0xc30 [ 44.303933][ T309] worker_thread+0xa4d/0x11d0 [ 44.308641][ T309] kthread+0x281/0x320 [ 44.312737][ T309] ? __cfi_worker_thread+0x10/0x10 [ 44.317874][ T309] ? __cfi_kthread+0x10/0x10 [ 44.322491][ T309] ret_from_fork+0x1f/0x30 [ 44.326941][ T309] [ 44.329977][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 44.336788][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.346867][ T92] Call Trace: [ 44.350149][ T92] [ 44.353082][ T92] __dump_stack+0x21/0x24 [ 44.357424][ T92] dump_stack_lvl+0x110/0x170 [ 44.362111][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 44.367147][ T92] ? __schedule+0xbea/0x14b0 [ 44.371754][ T92] dump_stack+0x15/0x24 [ 44.375917][ T92] should_fail_ex+0x3bf/0x510 [ 44.380601][ T92] __should_failslab+0xac/0xf0 [ 44.385383][ T92] should_failslab+0x9/0x20 [ 44.389900][ T92] kmem_cache_alloc_node+0x42/0x330 [ 44.395128][ T92] ? __alloc_skb+0xe8/0x4a0 [ 44.399677][ T92] ? __kasan_check_write+0x14/0x20 [ 44.404798][ T92] __alloc_skb+0xe8/0x4a0 [ 44.409135][ T92] alloc_skb_with_frags+0xa8/0x620 [ 44.414251][ T92] ? memcpy+0x56/0x70 [ 44.418241][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 44.423449][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 44.429175][ T92] ? __kasan_check_write+0x14/0x20 [ 44.434324][ T92] ? _raw_spin_lock+0x94/0xf0 [ 44.439015][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 44.444224][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 44.449354][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 44.454961][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 44.461039][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 44.466670][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 44.472220][ T92] __sys_sendto+0x4ac/0x660 [ 44.476742][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 44.481796][ T92] ? __cfi_do_syslog+0x10/0x10 [ 44.486569][ T92] ? __sys_connect+0x267/0x460 [ 44.491376][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 44.496962][ T92] ? xfd_validate_state+0x70/0x150 [ 44.502104][ T92] ? __kasan_check_write+0x14/0x20 [ 44.507226][ T92] __x64_sys_sendto+0xe5/0x100 [ 44.512009][ T92] x64_sys_call+0x83/0x9a0 [ 44.516450][ T92] do_syscall_64+0x4c/0xa0 [ 44.520893][ T92] ? clear_bhb_loop+0x30/0x80 [ 44.525589][ T92] ? clear_bhb_loop+0x30/0x80 [ 44.530275][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 44.536200][ T92] RIP: 0033:0x7f801465a407 [ 44.540622][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 44.560266][ T92] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 44.568764][ T92] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 44.576763][ T92] RDX: 000000000000004c RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 44.584769][ T92] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 44.592750][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 44.600728][ T92] R13: 00007ffc79a5c9f0 R14: 0000000000000031 R15: 00007ffc79a5c9f0 [ 44.608711][ T92] [ 44.613924][ T308] FAULT_INJECTION: forcing a failure. [ 44.613924][ T308] name failslab, interval 1, probability 1, space 0, times 18 [ 44.627782][ T92] FAULT_INJECTION: forcing a failure. [ 44.627782][ T92] name failslab, interval 1, probability 1, space 0, times 17 [ 44.638296][ T308] CPU: 1 PID: 308 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 44.647992][ T308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.658075][ T308] Workqueue: netns cleanup_net [ 44.662877][ T308] Call Trace: [ 44.666176][ T308] [ 44.669125][ T308] __dump_stack+0x21/0x24 [ 44.673480][ T308] dump_stack_lvl+0x110/0x170 [ 44.678285][ T308] ? __cfi_dump_stack_lvl+0x8/0x8 [ 44.683338][ T308] ? process_one_work+0x717/0xc30 [ 44.688390][ T308] dump_stack+0x15/0x24 [ 44.692570][ T308] should_fail_ex+0x3bf/0x510 [ 44.697275][ T308] __should_failslab+0xac/0xf0 [ 44.702065][ T308] should_failslab+0x9/0x20 [ 44.706588][ T308] kmem_cache_alloc_node+0x42/0x330 [ 44.711818][ T308] ? __alloc_skb+0xe8/0x4a0 [ 44.716347][ T308] __alloc_skb+0xe8/0x4a0 [ 44.720709][ T308] rtmsg_ifa+0xfa/0x1e0 [ 44.724892][ T308] __inet_del_ifa+0x80b/0xd90 [ 44.729598][ T308] ? ip_mc_destroy_dev+0x2a3/0x2e0 [ 44.734737][ T308] inetdev_event+0x6a0/0x10a0 [ 44.739439][ T308] ? __cfi_inetdev_event+0x10/0x10 [ 44.744578][ T308] ? arp_netdev_event+0xd4/0x2b0 [ 44.749541][ T308] raw_notifier_call_chain+0xa1/0x110 [ 44.754936][ T308] unregister_netdevice_many+0x104a/0x1910 [ 44.760784][ T308] ? __cfi_unregister_netdevice_many+0x10/0x10 [ 44.766977][ T308] ? unregister_netdevice_queue+0x17c/0x320 [ 44.772902][ T308] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 44.779183][ T308] ? rcu_barrier+0x7e/0x5f0 [ 44.783718][ T308] ip6gre_exit_batch_net+0x5cd/0x620 [ 44.789032][ T308] ? __cfi_ip6gre_exit_batch_net+0x10/0x10 [ 44.794863][ T308] ? __cfi_ip6gre_exit_batch_net+0x10/0x10 [ 44.800688][ T308] cleanup_net+0x630/0xb10 [ 44.805141][ T308] ? __cfi_cleanup_net+0x10/0x10 [ 44.810138][ T308] ? __schedule+0xbea/0x14b0 [ 44.814755][ T308] process_one_work+0x717/0xc30 [ 44.819626][ T308] worker_thread+0xa4d/0x11d0 [ 44.824325][ T308] kthread+0x281/0x320 [ 44.828414][ T308] ? __cfi_worker_thread+0x10/0x10 [ 44.833550][ T308] ? __cfi_kthread+0x10/0x10 [ 44.838158][ T308] ret_from_fork+0x1f/0x30 [ 44.842596][ T308] [ 44.845628][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 44.852420][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.862504][ T92] Call Trace: [ 44.865787][ T92] [ 44.868721][ T92] __dump_stack+0x21/0x24 [ 44.873054][ T92] dump_stack_lvl+0x110/0x170 [ 44.877739][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 44.882773][ T92] ? __schedule+0xbea/0x14b0 [ 44.887383][ T92] dump_stack+0x15/0x24 [ 44.891552][ T92] should_fail_ex+0x3bf/0x510 [ 44.896240][ T92] __should_failslab+0xac/0xf0 [ 44.901018][ T92] should_failslab+0x9/0x20 [ 44.905530][ T92] kmem_cache_alloc_node+0x42/0x330 [ 44.910781][ T92] ? __alloc_skb+0xe8/0x4a0 [ 44.915325][ T92] ? __kasan_check_write+0x14/0x20 [ 44.920442][ T92] __alloc_skb+0xe8/0x4a0 [ 44.924782][ T92] alloc_skb_with_frags+0xa8/0x620 [ 44.929897][ T92] ? memcpy+0x56/0x70 [ 44.933891][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 44.939106][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 44.944853][ T92] ? __kasan_check_write+0x14/0x20 [ 44.949988][ T92] ? _raw_spin_lock+0x94/0xf0 [ 44.954694][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 44.959902][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 44.965031][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 44.970582][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 44.976484][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 44.982127][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 44.987592][ T92] __sys_sendto+0x4ac/0x660 [ 44.992119][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 44.997150][ T92] ? __cfi_do_syslog+0x10/0x10 [ 45.001928][ T92] ? __sys_connect+0x267/0x460 [ 45.006701][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 45.012261][ T92] ? xfd_validate_state+0x70/0x150 [ 45.017380][ T92] ? __kasan_check_write+0x14/0x20 [ 45.022494][ T92] __x64_sys_sendto+0xe5/0x100 [ 45.027263][ T92] x64_sys_call+0x83/0x9a0 [ 45.031691][ T92] do_syscall_64+0x4c/0xa0 [ 45.036114][ T92] ? clear_bhb_loop+0x30/0x80 [ 45.040793][ T92] ? clear_bhb_loop+0x30/0x80 [ 45.045504][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 45.051409][ T92] RIP: 0033:0x7f801465a407 [ 45.055830][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 45.075583][ T92] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 45.084099][ T92] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 45.092123][ T92] RDX: 000000000000004a RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 45.100166][ T92] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 45.108150][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 45.116129][ T92] R13: 00007ffc79a5c9f0 R14: 000000000000002f R15: 00007ffc79a5c9f0 [ 45.124113][ T92] [ 45.127711][ T309] FAULT_INJECTION: forcing a failure. [ 45.127711][ T309] name failslab, interval 1, probability 1, space 0, times 14 [ 45.140646][ T309] CPU: 0 PID: 309 Comm: kworker/0:3 Not tainted syzkaller #0 [ 45.141801][ T92] FAULT_INJECTION: forcing a failure. [ 45.141801][ T92] name failslab, interval 1, probability 1, space 0, times 14 [ 45.148058][ T309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 45.148074][ T309] Workqueue: ipv6_addrconf addrconf_dad_work [ 45.148101][ T309] Call Trace: [ 45.148108][ T309] [ 45.148116][ T309] __dump_stack+0x21/0x24 [ 45.148143][ T309] dump_stack_lvl+0x110/0x170 [ 45.148167][ T309] ? __cfi_dump_stack_lvl+0x8/0x8 [ 45.148192][ T309] ? __cfi_fib6_add+0x10/0x10 [ 45.201911][ T309] dump_stack+0x15/0x24 [ 45.206111][ T309] should_fail_ex+0x3bf/0x510 [ 45.210812][ T309] __should_failslab+0xac/0xf0 [ 45.215605][ T309] should_failslab+0x9/0x20 [ 45.220137][ T309] kmem_cache_alloc_node+0x42/0x330 [ 45.225361][ T309] ? __alloc_skb+0xe8/0x4a0 [ 45.229884][ T309] __alloc_skb+0xe8/0x4a0 [ 45.234243][ T309] mld_newpack+0x143/0xa30 [ 45.238691][ T309] ? mld_sendpack+0xda0/0xda0 [ 45.243395][ T309] ? snmp6_fill_stats+0x6c0/0x6c0 [ 45.248440][ T309] add_grec+0xf26/0x13f0 [ 45.252715][ T309] ipv6_mc_dad_complete+0x25a/0x620 [ 45.257932][ T309] addrconf_dad_completed+0x737/0xe80 [ 45.263334][ T309] ? addrconf_dad_stop+0x440/0x440 [ 45.268467][ T309] addrconf_dad_work+0xc1b/0x14a0 [ 45.273511][ T309] ? __cfi_addrconf_dad_work+0x10/0x10 [ 45.278987][ T309] ? __kasan_check_write+0x14/0x20 [ 45.284138][ T309] ? _raw_spin_lock_irq+0x95/0xf0 [ 45.289204][ T309] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 45.294785][ T309] process_one_work+0x717/0xc30 [ 45.299673][ T309] worker_thread+0xa4d/0x11d0 [ 45.304382][ T309] kthread+0x281/0x320 [ 45.308563][ T309] ? __cfi_worker_thread+0x10/0x10 [ 45.313700][ T309] ? __cfi_kthread+0x10/0x10 [ 45.318318][ T309] ret_from_fork+0x1f/0x30 [ 45.322760][ T309] [ 45.325807][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 45.332608][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 45.335458][ T310] FAULT_INJECTION: forcing a failure. [ 45.335458][ T310] name failslab, interval 1, probability 1, space 0, times 13 [ 45.342699][ T92] Call Trace: [ 45.342712][ T92] [ 45.342720][ T92] __dump_stack+0x21/0x24 [ 45.366105][ T92] dump_stack_lvl+0x110/0x170 [ 45.370819][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 45.375886][ T92] ? __schedule+0xbea/0x14b0 [ 45.380511][ T92] dump_stack+0x15/0x24 [ 45.384701][ T92] should_fail_ex+0x3bf/0x510 [ 45.389405][ T92] __should_failslab+0xac/0xf0 [ 45.394219][ T92] should_failslab+0x9/0x20 [ 45.398775][ T92] kmem_cache_alloc_node+0x42/0x330 [ 45.404018][ T92] ? __alloc_skb+0xe8/0x4a0 [ 45.408582][ T92] ? __kasan_check_write+0x14/0x20 [ 45.413737][ T92] __alloc_skb+0xe8/0x4a0 [ 45.418104][ T92] alloc_skb_with_frags+0xa8/0x620 [ 45.423240][ T92] ? memcpy+0x56/0x70 [ 45.427250][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 45.432484][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 45.438230][ T92] ? __kasan_check_write+0x14/0x20 [ 45.443376][ T92] ? _raw_spin_lock+0x94/0xf0 [ 45.448101][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 45.453336][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 45.458488][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 45.464070][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 45.470037][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 45.475626][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 45.481129][ T92] __sys_sendto+0x4ac/0x660 [ 45.485660][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 45.490720][ T92] ? __cfi_do_syslog+0x10/0x10 [ 45.495520][ T92] ? __sys_connect+0x267/0x460 [ 45.500310][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 45.505878][ T92] ? xfd_validate_state+0x70/0x150 [ 45.511029][ T92] ? __kasan_check_write+0x14/0x20 [ 45.516160][ T92] __x64_sys_sendto+0xe5/0x100 [ 45.520948][ T92] x64_sys_call+0x83/0x9a0 [ 45.525389][ T92] do_syscall_64+0x4c/0xa0 [ 45.529834][ T92] ? clear_bhb_loop+0x30/0x80 [ 45.534529][ T92] ? clear_bhb_loop+0x30/0x80 [ 45.539222][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 45.545151][ T92] RIP: 0033:0x7f801465a407 [ 45.549597][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 45.569262][ T92] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 45.577710][ T92] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 45.585706][ T92] RDX: 00000000000000f9 RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 45.593696][ T92] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 45.601694][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 45.609691][ T92] R13: 00007ffc79a5c9f0 R14: 00000000000000de R15: 00007ffc79a5c9f0 [ 45.617686][ T92] [ 45.620723][ T310] CPU: 0 PID: 310 Comm: kworker/0:4 Not tainted syzkaller #0 [ 45.628126][ T310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 45.638208][ T310] Workqueue: ipv6_addrconf addrconf_dad_work [ 45.644218][ T310] Call Trace: [ 45.647516][ T310] [ 45.650465][ T310] __dump_stack+0x21/0x24 [ 45.654825][ T310] dump_stack_lvl+0x110/0x170 [ 45.659531][ T310] ? __cfi_dump_stack_lvl+0x8/0x8 [ 45.664621][ T310] dump_stack+0x15/0x24 [ 45.668800][ T310] should_fail_ex+0x3bf/0x510 [ 45.673497][ T310] ? fib6_add+0x943/0x3dd0 [ 45.677943][ T310] __should_failslab+0xac/0xf0 [ 45.682735][ T310] should_failslab+0x9/0x20 [ 45.687262][ T310] kmem_cache_alloc+0x3b/0x320 [ 45.692056][ T310] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 45.697987][ T310] ? debug_smp_processor_id+0x17/0x20 [ 45.703383][ T310] fib6_add+0x943/0x3dd0 [ 45.707663][ T310] ? kfree_skbmem+0x10c/0x180 [ 45.712362][ T310] ? __cfi_fib6_add+0x10/0x10 [ 45.717070][ T310] ? __kasan_check_write+0x14/0x20 [ 45.722201][ T310] ? _raw_spin_lock_bh+0x94/0xf0 [ 45.727158][ T310] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 45.732640][ T310] ip6_ins_rt+0xd3/0x130 [ 45.736915][ T310] ? __cfi_ip6_ins_rt+0x10/0x10 [ 45.741793][ T310] ? nlmsg_notify+0x13f/0x1a0 [ 45.746493][ T310] ? rtnl_notify+0x9a/0xc0 [ 45.750942][ T310] __ipv6_ifa_notify+0x4e4/0xe80 [ 45.755906][ T310] ? snmp6_fill_stats+0x6c0/0x6c0 [ 45.760954][ T310] ? __local_bh_enable_ip+0x58/0x80 [ 45.766174][ T310] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 45.773061][ T310] ? __kasan_check_write+0x14/0x20 [ 45.778192][ T310] ? try_to_grab_pending+0x1a4/0x580 [ 45.783504][ T310] ? mod_delayed_work_on+0xe0/0xe0 [ 45.788730][ T310] ? __cfi_fib6_clean_node+0x10/0x10 [ 45.794048][ T310] ? __kasan_check_write+0x14/0x20 [ 45.799180][ T310] ? __cancel_work+0x198/0x200 [ 45.803969][ T310] addrconf_dad_completed+0x192/0xe80 [ 45.809360][ T310] ? addrconf_dad_stop+0x440/0x440 [ 45.814498][ T310] ? mod_delayed_work_on+0xa8/0xe0 [ 45.819637][ T310] addrconf_dad_work+0xc1b/0x14a0 [ 45.824690][ T310] ? __cfi_addrconf_dad_work+0x10/0x10 [ 45.830167][ T310] ? __kasan_check_write+0x14/0x20 [ 45.835297][ T310] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 45.841213][ T310] process_one_work+0x717/0xc30 [ 45.846091][ T310] worker_thread+0xa4d/0x11d0 [ 45.850800][ T310] kthread+0x281/0x320 [ 45.854896][ T310] ? __cfi_worker_thread+0x10/0x10 [ 45.860033][ T310] ? __cfi_kthread+0x10/0x10 [ 45.864677][ T310] ret_from_fork+0x1f/0x30 [ 45.869128][ T310] [ 45.873650][ T24] FAULT_INJECTION: forcing a failure. [ 45.873650][ T24] name failslab, interval 1, probability 1, space 0, times 11 [ 45.886925][ T92] FAULT_INJECTION: forcing a failure. [ 45.886925][ T92] name failslab, interval 1, probability 1, space 0, times 11 [ 45.899660][ T24] CPU: 1 PID: 24 Comm: kworker/1:0 Not tainted syzkaller #0 [ 45.906955][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 45.917029][ T24] Workqueue: ipv6_addrconf addrconf_dad_work [ 45.923066][ T24] Call Trace: [ 45.926365][ T24] [ 45.929313][ T24] __dump_stack+0x21/0x24 [ 45.933671][ T24] dump_stack_lvl+0x110/0x170 [ 45.938371][ T24] ? __cfi_dump_stack_lvl+0x8/0x8 [ 45.943426][ T24] dump_stack+0x15/0x24 [ 45.947606][ T24] should_fail_ex+0x3bf/0x510 [ 45.952305][ T24] __should_failslab+0xac/0xf0 [ 45.957093][ T24] should_failslab+0x9/0x20 [ 45.961616][ T24] __kmem_cache_alloc_node+0x3d/0x2d0 [ 45.967022][ T24] ? ___neigh_create+0x6e3/0x1db0 [ 45.972074][ T24] ? ___neigh_create+0x6e3/0x1db0 [ 45.977121][ T24] __kmalloc+0xa4/0x1e0 [ 45.981333][ T24] ___neigh_create+0x6e3/0x1db0 [ 45.986212][ T24] ? __local_bh_enable_ip+0x58/0x80 [ 45.991435][ T24] ? ip6t_do_table+0x13a7/0x1560 [ 45.996416][ T24] __neigh_create+0x31/0x40 [ 46.000964][ T24] ip6_finish_output2+0xaaf/0x18b0 [ 46.006109][ T24] ? ip6t_do_table+0x1c7/0x1560 [ 46.010999][ T24] ? __cfi_ip6_finish_output2+0x10/0x10 [ 46.016590][ T24] ? ip6table_mangle_hook+0x262/0x7b0 [ 46.022008][ T24] ip6_finish_output+0x60b/0xbe0 [ 46.026983][ T24] ip6_output+0x1fa/0x410 [ 46.031342][ T24] ? __cfi_ip6_output+0x10/0x10 [ 46.036227][ T24] ? __cfi_ip6_finish_output+0x10/0x10 [ 46.041714][ T24] ? __cfi_ip6t_do_table+0x10/0x10 [ 46.046856][ T24] ndisc_send_skb+0x7c8/0xcd0 [ 46.051553][ T24] ? __cfi_ndisc_send_skb+0x10/0x10 [ 46.056772][ T24] ? __cfi_dst_output+0x10/0x10 [ 46.061643][ T24] ? memcpy+0x56/0x70 [ 46.065657][ T24] ? __ndisc_fill_addr_option+0xde/0x130 [ 46.071338][ T24] ndisc_send_rs+0x66a/0x870 [ 46.075970][ T24] addrconf_dad_completed+0x958/0xe80 [ 46.081370][ T24] ? addrconf_dad_stop+0x440/0x440 [ 46.086540][ T24] ? mod_delayed_work_on+0xa8/0xe0 [ 46.091718][ T24] addrconf_dad_work+0xc1b/0x14a0 [ 46.096775][ T24] ? __kasan_check_write+0x14/0x20 [ 46.101919][ T24] ? __cfi_addrconf_dad_work+0x10/0x10 [ 46.107405][ T24] ? __kasan_check_write+0x14/0x20 [ 46.112551][ T24] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 46.118479][ T24] process_one_work+0x717/0xc30 [ 46.123381][ T24] worker_thread+0xa4d/0x11d0 [ 46.128104][ T24] kthread+0x281/0x320 [ 46.132203][ T24] ? __cfi_worker_thread+0x10/0x10 [ 46.137349][ T24] ? __cfi_kthread+0x10/0x10 [ 46.141973][ T24] ret_from_fork+0x1f/0x30 [ 46.146416][ T24] [ 46.149457][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 46.150929][ T39] FAULT_INJECTION: forcing a failure. [ 46.150929][ T39] name failslab, interval 1, probability 1, space 0, times 10 [ 46.156256][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 46.156277][ T92] Call Trace: [ 46.182327][ T92] [ 46.185275][ T92] __dump_stack+0x21/0x24 [ 46.189635][ T92] dump_stack_lvl+0x110/0x170 [ 46.194353][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 46.199416][ T92] dump_stack+0x15/0x24 [ 46.203590][ T92] should_fail_ex+0x3bf/0x510 [ 46.208287][ T92] __should_failslab+0xac/0xf0 [ 46.213095][ T92] should_failslab+0x9/0x20 [ 46.217638][ T92] kmem_cache_alloc_node+0x42/0x330 [ 46.222880][ T92] ? __alloc_skb+0xe8/0x4a0 [ 46.227414][ T92] __alloc_skb+0xe8/0x4a0 [ 46.231773][ T92] alloc_skb_with_frags+0xa8/0x620 [ 46.236914][ T92] ? memcpy+0x56/0x70 [ 46.240940][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 46.246169][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 46.251917][ T92] ? __kasan_check_write+0x14/0x20 [ 46.257050][ T92] ? _raw_spin_lock+0x94/0xf0 [ 46.261745][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 46.266970][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 46.272138][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 46.277706][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 46.283624][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 46.289197][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 46.294674][ T92] __sys_sendto+0x4ac/0x660 [ 46.299193][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 46.304246][ T92] ? __cfi_do_syslog+0x10/0x10 [ 46.309045][ T92] ? __sys_connect+0x267/0x460 [ 46.313841][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 46.319414][ T92] ? xfd_validate_state+0x70/0x150 [ 46.324559][ T92] __x64_sys_sendto+0xe5/0x100 [ 46.329362][ T92] x64_sys_call+0x83/0x9a0 [ 46.333805][ T92] do_syscall_64+0x4c/0xa0 [ 46.338241][ T92] ? clear_bhb_loop+0x30/0x80 [ 46.342940][ T92] ? clear_bhb_loop+0x30/0x80 [ 46.347632][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 46.353551][ T92] RIP: 0033:0x7f801465a407 [ 46.357979][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 46.377690][ T92] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 46.386122][ T92] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 46.394110][ T92] RDX: 000000000000006a RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 46.402100][ T92] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 46.410091][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 46.418093][ T92] R13: 00007ffc79a5c9f0 R14: 000000000000004f R15: 00007ffc79a5c9f0 [ 46.426096][ T92] [ 46.429144][ T39] CPU: 1 PID: 39 Comm: kworker/1:1 Not tainted syzkaller #0 [ 46.436463][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 46.446558][ T39] Workqueue: ipv6_addrconf addrconf_dad_work [ 46.452570][ T39] Call Trace: [ 46.455869][ T39] [ 46.458864][ T39] __dump_stack+0x21/0x24 [ 46.463229][ T39] dump_stack_lvl+0x110/0x170 [ 46.467927][ T39] ? __cfi_dump_stack_lvl+0x8/0x8 [ 46.472987][ T39] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 46.478814][ T39] ? ref_tracker_alloc+0x345/0x4a0 [ 46.483945][ T39] dump_stack+0x15/0x24 [ 46.488129][ T39] should_fail_ex+0x3bf/0x510 [ 46.492827][ T39] __should_failslab+0xac/0xf0 [ 46.497633][ T39] should_failslab+0x9/0x20 [ 46.502156][ T39] __kmem_cache_alloc_node+0x3d/0x2d0 [ 46.507552][ T39] ? dst_cow_metrics_generic+0x55/0x1c0 [ 46.513125][ T39] ? dst_cow_metrics_generic+0x55/0x1c0 [ 46.518690][ T39] kmalloc_trace+0x29/0xb0 [ 46.523119][ T39] dst_cow_metrics_generic+0x55/0x1c0 [ 46.528514][ T39] icmp6_dst_alloc+0x389/0x510 [ 46.533314][ T39] mld_sendpack+0x623/0xda0 [ 46.537843][ T39] ? add_grec+0x13f0/0x13f0 [ 46.542376][ T39] ? memcpy+0x56/0x70 [ 46.546378][ T39] ? add_grec+0x10b/0x13f0 [ 46.550818][ T39] ipv6_mc_dad_complete+0x299/0x620 [ 46.556033][ T39] addrconf_dad_completed+0x737/0xe80 [ 46.561433][ T39] ? addrconf_dad_stop+0x440/0x440 [ 46.566579][ T39] addrconf_dad_work+0xc1b/0x14a0 [ 46.571639][ T39] ? __cfi_addrconf_dad_work+0x10/0x10 [ 46.577143][ T39] ? __kasan_check_write+0x14/0x20 [ 46.582295][ T39] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 46.588238][ T39] process_one_work+0x717/0xc30 [ 46.593120][ T39] worker_thread+0xa4d/0x11d0 [ 46.597832][ T39] kthread+0x281/0x320 [ 46.601928][ T39] ? __cfi_worker_thread+0x10/0x10 [ 46.607062][ T39] ? __cfi_kthread+0x10/0x10 [ 46.611678][ T39] ret_from_fork+0x1f/0x30 [ 46.616140][ T39] [ 46.623670][ T309] FAULT_INJECTION: forcing a failure. [ 46.623670][ T309] name failslab, interval 1, probability 1, space 0, times 8 [ 46.636601][ T309] CPU: 0 PID: 309 Comm: kworker/0:3 Not tainted syzkaller #0 [ 46.639844][ T92] FAULT_INJECTION: forcing a failure. [ 46.639844][ T92] name failslab, interval 1, probability 1, space 0, times 7 [ 46.644006][ T309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 46.666667][ T309] Workqueue: ipv6_addrconf addrconf_dad_work [ 46.672687][ T309] Call Trace: [ 46.675985][ T309] [ 46.678928][ T309] __dump_stack+0x21/0x24 [ 46.683283][ T309] dump_stack_lvl+0x110/0x170 [ 46.687986][ T309] ? __cfi_dump_stack_lvl+0x8/0x8 [ 46.693030][ T309] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 46.698875][ T309] ? ref_tracker_alloc+0x345/0x4a0 [ 46.704013][ T309] dump_stack+0x15/0x24 [ 46.708191][ T309] should_fail_ex+0x3bf/0x510 [ 46.712887][ T309] __should_failslab+0xac/0xf0 [ 46.717669][ T309] should_failslab+0x9/0x20 [ 46.722198][ T309] __kmem_cache_alloc_node+0x3d/0x2d0 [ 46.727591][ T309] ? dst_cow_metrics_generic+0x55/0x1c0 [ 46.733244][ T309] ? dst_cow_metrics_generic+0x55/0x1c0 [ 46.738810][ T309] kmalloc_trace+0x29/0xb0 [ 46.743240][ T309] dst_cow_metrics_generic+0x55/0x1c0 [ 46.748637][ T309] icmp6_dst_alloc+0x389/0x510 [ 46.753422][ T309] ndisc_send_skb+0x2ad/0xcd0 [ 46.758113][ T309] ? __cfi_ndisc_send_skb+0x10/0x10 [ 46.763327][ T309] ? memcpy+0x56/0x70 [ 46.767345][ T309] ? __ndisc_fill_addr_option+0xde/0x130 [ 46.772998][ T309] ndisc_send_rs+0x66a/0x870 [ 46.777604][ T309] addrconf_dad_completed+0x958/0xe80 [ 46.783011][ T309] ? addrconf_dad_stop+0x440/0x440 [ 46.788151][ T309] ? mod_delayed_work_on+0xa8/0xe0 [ 46.793288][ T309] addrconf_dad_work+0xc1b/0x14a0 [ 46.798342][ T309] ? __cfi_addrconf_dad_work+0x10/0x10 [ 46.803819][ T309] ? __kasan_check_write+0x14/0x20 [ 46.808963][ T309] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 46.814891][ T309] process_one_work+0x717/0xc30 [ 46.819788][ T309] worker_thread+0xa4d/0x11d0 [ 46.824497][ T309] kthread+0x281/0x320 [ 46.828609][ T309] ? __cfi_worker_thread+0x10/0x10 [ 46.833754][ T309] ? __cfi_kthread+0x10/0x10 [ 46.838368][ T309] ret_from_fork+0x1f/0x30 [ 46.842809][ T309] [ 46.845840][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 46.852628][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 46.862687][ T92] Call Trace: [ 46.865984][ T92] [ 46.868922][ T92] __dump_stack+0x21/0x24 [ 46.873276][ T92] dump_stack_lvl+0x110/0x170 [ 46.877960][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 46.882995][ T92] ? __schedule+0xbea/0x14b0 [ 46.887605][ T92] dump_stack+0x15/0x24 [ 46.891800][ T92] should_fail_ex+0x3bf/0x510 [ 46.896478][ T92] __should_failslab+0xac/0xf0 [ 46.901253][ T92] should_failslab+0x9/0x20 [ 46.905755][ T92] kmem_cache_alloc_node+0x42/0x330 [ 46.910957][ T92] ? __alloc_skb+0xe8/0x4a0 [ 46.915476][ T92] ? __kasan_check_write+0x14/0x20 [ 46.920610][ T92] __alloc_skb+0xe8/0x4a0 [ 46.924962][ T92] alloc_skb_with_frags+0xa8/0x620 [ 46.930079][ T92] ? memcpy+0x56/0x70 [ 46.934082][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 46.939302][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 46.945047][ T92] ? __kasan_check_write+0x14/0x20 [ 46.950165][ T92] ? _raw_spin_lock+0x94/0xf0 [ 46.954856][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 46.960086][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 46.965228][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 46.970793][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 46.976704][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 46.982272][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 46.987769][ T92] __sys_sendto+0x4ac/0x660 [ 46.992297][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 46.997333][ T92] ? __cfi_do_syslog+0x10/0x10 [ 47.002109][ T92] ? __sys_connect+0x267/0x460 [ 47.006882][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 47.012430][ T92] ? xfd_validate_state+0x70/0x150 [ 47.017545][ T92] ? __kasan_check_write+0x14/0x20 [ 47.022661][ T92] __x64_sys_sendto+0xe5/0x100 [ 47.027430][ T92] x64_sys_call+0x83/0x9a0 [ 47.031876][ T92] do_syscall_64+0x4c/0xa0 [ 47.036324][ T92] ? clear_bhb_loop+0x30/0x80 [ 47.041000][ T92] ? clear_bhb_loop+0x30/0x80 [ 47.045678][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 47.051577][ T92] RIP: 0033:0x7f801465a407 [ 47.055992][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 47.075599][ T92] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 47.084016][ T92] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 47.091987][ T92] RDX: 0000000000000052 RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 47.099968][ T92] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 47.107942][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 47.115920][ T92] R13: 00007ffc79a5c9f0 R14: 0000000000000037 R15: 00007ffc79a5c9f0 [ 47.123901][ T92] [ 47.128222][ T92] FAULT_INJECTION: forcing a failure. [ 47.128222][ T92] name failslab, interval 1, probability 1, space 0, times 5 [ 47.140995][ T92] CPU: 0 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 47.147797][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 47.157956][ T92] Call Trace: [ 47.161249][ T92] [ 47.164190][ T92] __dump_stack+0x21/0x24 [ 47.168543][ T92] dump_stack_lvl+0x110/0x170 [ 47.173236][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 47.178277][ T92] ? __schedule+0xbea/0x14b0 [ 47.182888][ T92] dump_stack+0x15/0x24 [ 47.187056][ T92] should_fail_ex+0x3bf/0x510 [ 47.191745][ T92] __should_failslab+0xac/0xf0 [ 47.196525][ T92] should_failslab+0x9/0x20 [ 47.201042][ T92] kmem_cache_alloc_node+0x42/0x330 [ 47.206264][ T92] ? __alloc_skb+0xe8/0x4a0 [ 47.210776][ T92] ? __kasan_check_write+0x14/0x20 [ 47.215899][ T92] __alloc_skb+0xe8/0x4a0 [ 47.220245][ T92] alloc_skb_with_frags+0xa8/0x620 [ 47.225375][ T92] ? memcpy+0x56/0x70 [ 47.229373][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 47.234598][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 47.240340][ T92] ? __kasan_check_write+0x14/0x20 [ 47.245461][ T92] ? _raw_spin_lock+0x94/0xf0 [ 47.250153][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 47.255366][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 47.260505][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 47.266066][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 47.271970][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 47.277537][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 47.283012][ T92] __sys_sendto+0x4ac/0x660 [ 47.287527][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 47.292563][ T92] ? security_unix_may_send+0x8c/0xb0 [ 47.297949][ T92] ? __sys_connect+0x267/0x460 [ 47.302732][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 47.308295][ T92] ? xfd_validate_state+0x70/0x150 [ 47.313443][ T92] ? __kasan_check_write+0x14/0x20 [ 47.318564][ T92] __x64_sys_sendto+0xe5/0x100 [ 47.323345][ T92] x64_sys_call+0x83/0x9a0 [ 47.327774][ T92] do_syscall_64+0x4c/0xa0 [ 47.332207][ T92] ? clear_bhb_loop+0x30/0x80 [ 47.336897][ T92] ? clear_bhb_loop+0x30/0x80 [ 47.341581][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 47.347498][ T92] RIP: 0033:0x7f801465a407 [ 47.351927][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 47.371559][ T92] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 47.379984][ T92] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 47.387982][ T92] RDX: 000000000000004a RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 47.395968][ T92] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 47.403951][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 47.411930][ T92] R13: 00007ffc79a5c9f0 R14: 000000000000002f R15: 00007ffc79a5c9f0 [ 47.419914][ T92] [ 47.423527][ T309] FAULT_INJECTION: forcing a failure. [ 47.423527][ T309] name failslab, interval 1, probability 1, space 0, times 5 [ 47.429013][ T92] FAULT_INJECTION: forcing a failure. [ 47.429013][ T92] name failslab, interval 1, probability 1, space 0, times 3 [ 47.437108][ T309] CPU: 0 PID: 309 Comm: kworker/0:3 Not tainted syzkaller #0 [ 47.456116][ T309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 47.466184][ T309] Workqueue: ipv6_addrconf addrconf_dad_work [ 47.472186][ T309] Call Trace: [ 47.475478][ T309] [ 47.478432][ T309] __dump_stack+0x21/0x24 [ 47.482777][ T309] dump_stack_lvl+0x110/0x170 [ 47.487474][ T309] ? __cfi_dump_stack_lvl+0x8/0x8 [ 47.492516][ T309] ? kasan_save_alloc_info+0x1f/0x30 [ 47.497819][ T309] dump_stack+0x15/0x24 [ 47.501997][ T309] should_fail_ex+0x3bf/0x510 [ 47.506692][ T309] ? dst_alloc+0x16a/0x1e0 [ 47.511137][ T309] __should_failslab+0xac/0xf0 [ 47.515919][ T309] should_failslab+0x9/0x20 [ 47.520440][ T309] kmem_cache_alloc+0x3b/0x320 [ 47.525230][ T309] ? __cfi_ip6_dst_gc+0x10/0x10 [ 47.530096][ T309] dst_alloc+0x16a/0x1e0 [ 47.534356][ T309] icmp6_dst_alloc+0xf8/0x510 [ 47.539078][ T309] ndisc_send_skb+0x2ad/0xcd0 [ 47.543769][ T309] ? __cfi_ndisc_send_skb+0x10/0x10 [ 47.548983][ T309] ? __kasan_check_write+0x14/0x20 [ 47.554116][ T309] ? __build_skb_around+0x24c/0x470 [ 47.559329][ T309] ? ndisc_ns_create+0x60d/0x920 [ 47.564282][ T309] ndisc_send_ns+0xd4/0x160 [ 47.568803][ T309] ? __cfi_ndisc_send_ns+0x10/0x10 [ 47.573927][ T309] ? mod_delayed_work_on+0xa8/0xe0 [ 47.579060][ T309] addrconf_dad_work+0x9d6/0x14a0 [ 47.584114][ T309] ? __cfi_addrconf_dad_work+0x10/0x10 [ 47.589633][ T309] ? __kasan_check_write+0x14/0x20 [ 47.594774][ T309] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 47.600794][ T309] process_one_work+0x717/0xc30 [ 47.605701][ T309] worker_thread+0xa4d/0x11d0 [ 47.610420][ T309] kthread+0x281/0x320 [ 47.614534][ T309] ? __cfi_worker_thread+0x10/0x10 [ 47.619673][ T309] ? __cfi_kthread+0x10/0x10 [ 47.624301][ T309] ret_from_fork+0x1f/0x30 [ 47.628756][ T309] [ 47.631811][ T92] CPU: 1 PID: 92 Comm: klogd Not tainted syzkaller #0 [ 47.634743][ T309] FAULT_INJECTION: forcing a failure. [ 47.634743][ T309] name failslab, interval 1, probability 1, space 0, times 1 [ 47.638607][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 47.638624][ T92] Call Trace: [ 47.638632][ T92] [ 47.638640][ T92] __dump_stack+0x21/0x24 [ 47.671917][ T92] dump_stack_lvl+0x110/0x170 [ 47.676630][ T92] ? __cfi_dump_stack_lvl+0x8/0x8 [ 47.681707][ T92] ? __schedule+0xbea/0x14b0 [ 47.686326][ T92] dump_stack+0x15/0x24 [ 47.690505][ T92] should_fail_ex+0x3bf/0x510 [ 47.695200][ T92] __should_failslab+0xac/0xf0 [ 47.700022][ T92] should_failslab+0x9/0x20 [ 47.704555][ T92] kmem_cache_alloc_node+0x42/0x330 [ 47.709787][ T92] ? __alloc_skb+0xe8/0x4a0 [ 47.714311][ T92] ? __kasan_check_write+0x14/0x20 [ 47.719441][ T92] __alloc_skb+0xe8/0x4a0 [ 47.723799][ T92] alloc_skb_with_frags+0xa8/0x620 [ 47.728938][ T92] ? memcpy+0x56/0x70 [ 47.732949][ T92] sock_alloc_send_pskb+0x87f/0x9a0 [ 47.738182][ T92] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 47.743924][ T92] ? __kasan_check_write+0x14/0x20 [ 47.749054][ T92] ? _raw_spin_lock+0x94/0xf0 [ 47.753757][ T92] ? __cfi__raw_spin_lock+0x10/0x10 [ 47.758981][ T92] unix_dgram_sendmsg+0x5c1/0x1710 [ 47.764128][ T92] ? selinux_socket_sendmsg+0x22f/0x340 [ 47.769704][ T92] ? __cfi_selinux_socket_sendmsg+0x10/0x10 [ 47.775622][ T92] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 47.781214][ T92] ? security_socket_sendmsg+0x93/0xb0 [ 47.786720][ T92] __sys_sendto+0x4ac/0x660 [ 47.791260][ T92] ? __cfi___sys_sendto+0x10/0x10 [ 47.796320][ T92] ? __cfi_do_syslog+0x10/0x10 [ 47.801110][ T92] ? __sys_connect+0x267/0x460 [ 47.805904][ T92] ? __this_cpu_preempt_check+0x13/0x20 [ 47.811480][ T92] ? xfd_validate_state+0x70/0x150 [ 47.816629][ T92] ? __kasan_check_write+0x14/0x20 [ 47.821789][ T92] __x64_sys_sendto+0xe5/0x100 [ 47.826595][ T92] x64_sys_call+0x83/0x9a0 [ 47.831046][ T92] do_syscall_64+0x4c/0xa0 [ 47.835487][ T92] ? clear_bhb_loop+0x30/0x80 [ 47.840205][ T92] ? clear_bhb_loop+0x30/0x80 [ 47.844906][ T92] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 47.850829][ T92] RIP: 0033:0x7f801465a407 [ 47.855268][ T92] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 47.874900][ T92] RSP: 002b:00007ffc79a5c8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 47.883334][ T92] RAX: ffffffffffffffda RBX: 00007f801450ac80 RCX: 00007f801465a407 [ 47.891331][ T92] RDX: 000000000000004e RSI: 00007ffc79a5c9f0 RDI: 0000000000000003 [ 47.899326][ T92] RBP: 00007ffc79a5ce20 R08: 0000000000000000 R09: 0000000000000000 [ 47.907321][ T92] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc79a5ce38 [ 47.915318][ T92] R13: 00007ffc79a5c9f0 R14: 0000000000000033 R15: 00007ffc79a5c9f0 [ 47.923320][ T92] [ 47.926377][ T309] CPU: 0 PID: 309 Comm: kworker/0:3 Not tainted syzkaller #0 [ 47.933796][ T309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 47.943897][ T309] Workqueue: ipv6_addrconf addrconf_dad_work [ 47.949919][ T309] Call Trace: [ 47.953219][ T309] [ 47.956170][ T309] __dump_stack+0x21/0x24 [ 47.960532][ T309] dump_stack_lvl+0x110/0x170 [ 47.965241][ T309] ? __cfi_dump_stack_lvl+0x8/0x8 [ 47.970298][ T309] ? kasan_set_track+0x60/0x70 [ 47.975092][ T309] ? kasan_set_track+0x4b/0x70 [ 47.979889][ T309] dump_stack+0x15/0x24 [ 47.984080][ T309] should_fail_ex+0x3bf/0x510 [ 47.988788][ T309] __should_failslab+0xac/0xf0 [ 47.993591][ T309] should_failslab+0x9/0x20 [ 47.998127][ T309] __kmem_cache_alloc_node+0x3d/0x2d0 [ 48.003537][ T309] ? ref_tracker_alloc+0x16b/0x4a0 [ 48.008682][ T309] ? ref_tracker_alloc+0x16b/0x4a0 [ 48.013833][ T309] kmalloc_trace+0x29/0xb0 [ 48.018273][ T309] ref_tracker_alloc+0x16b/0x4a0 [ 48.023239][ T309] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 48.028762][ T309] ? __kasan_kmalloc+0x95/0xb0 [ 48.033609][ T309] ___neigh_create+0xb86/0x1db0 [ 48.038496][ T309] ? stack_trace_save+0xa6/0xf0 [ 48.043386][ T309] __neigh_create+0x31/0x40 [ 48.047939][ T309] ip6_finish_output2+0xaaf/0x18b0 [ 48.053089][ T309] ? ndisc_send_skb+0x2ad/0xcd0 [ 48.057966][ T309] ? ndisc_send_ns+0xd4/0x160 [ 48.062665][ T309] ? addrconf_dad_work+0x9d6/0x14a0 [ 48.067892][ T309] ? __cfi_ip6_finish_output2+0x10/0x10 [ 48.073475][ T309] ? memset+0x35/0x40 [ 48.077481][ T309] ? xfrm_lookup_with_ifid+0x174b/0x2130 [ 48.083156][ T309] ip6_finish_output+0x60b/0xbe0 [ 48.088138][ T309] ip6_output+0x1fa/0x410 [ 48.092504][ T309] ? __cfi_ip6_output+0x10/0x10 [ 48.097387][ T309] ? __cfi_ip6_finish_output+0x10/0x10 [ 48.102873][ T309] ndisc_send_skb+0x7c8/0xcd0 [ 48.107576][ T309] ? __cfi_ndisc_send_skb+0x10/0x10 [ 48.112803][ T309] ? __cfi_dst_output+0x10/0x10 [ 48.117682][ T309] ? ndisc_ns_create+0x60d/0x920 [ 48.122738][ T309] ndisc_send_ns+0xd4/0x160 [ 48.127273][ T309] ? __cfi_ndisc_send_ns+0x10/0x10 [ 48.132413][ T309] ? mod_delayed_work_on+0xa8/0xe0 [ 48.137564][ T309] addrconf_dad_work+0x9d6/0x14a0 [ 48.142620][ T309] ? __cfi_addrconf_dad_work+0x10/0x10 [ 48.148103][ T309] ? __kasan_check_write+0x14/0x20 [ 48.153245][ T309] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 48.159175][ T309] process_one_work+0x717/0xc30 [ 48.164054][ T309] worker_thread+0xa4d/0x11d0 [ 48.168761][ T309] kthread+0x281/0x320 [ 48.172868][ T309] ? __cfi_worker_thread+0x10/0x10 [ 48.178006][ T309] ? __cfi_kthread+0x10/0x10 [ 48.182630][ T309] ret_from_fork+0x1f/0x30 [ 48.187080][ T309] [ 48.567496][ T308] device bridge_slave_1 left promiscuous mode [ 48.573648][ T308] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.581294][ T308] device bridge_slave_0 left promiscuous mode [ 48.587509][ T308] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.595585][ T308] device veth1_macvtap left promiscuous mode [ 48.601700][ T308] device veth0_vlan left promiscuous mode [ 49.427790][ T308] device bridge_slave_1 left promiscuous mode [ 49.433931][ T308] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.441635][ T308] device bridge_slave_0 left promiscuous mode [ 49.447925][ T308] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.455826][ T308] device bridge_slave_1 left promiscuous mode [ 49.462285][ T308] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.469912][ T308] device bridge_slave_0 left promiscuous mode [ 49.476051][ T308] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.484167][ T308] device bridge_slave_1 left promiscuous mode [ 49.490379][ T308] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.497958][ T308] device bridge_slave_0 left promiscuous mode [ 49.504094][ T308] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.512101][ T308] device bridge_slave_1 left promiscuous mode [ 49.518266][ T308] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.525693][ T308] device bridge_slave_0 left promiscuous mode [ 49.531961][ T308] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.540455][ T308] device veth1_macvtap left promiscuous mode [ 49.546479][ T308] device veth0_vlan left promiscuous mode [ 49.552487][ T308] device veth1_macvtap left promiscuous mode [ 49.558533][ T308] device veth0_vlan left promiscuous mode [ 49.564463][ T308] device veth1_macvtap left promiscuous mode [ 49.570611][ T308] device veth0_vlan left promiscuous mode [ 49.576545][ T308] device veth1_macvtap left promiscuous mode [ 49.582786][ T308] device veth0_vlan left promiscuous mode