last executing test programs:
12.53547026s ago: executing program 0 (id=1):
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/module/usb_storage/parameters/delay_use\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500)='0\x00', 0x2)
close(r0)
12.52447008s ago: executing program 1 (id=2):
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x2000, 0xfffffffffffffffc})
write(0x1, &(0x7f0000000000)='\x00', 0x1)
madvise(0xfffffffffffffffc, 0x2000, 0x14)
madvise(0xfffffffffffffffc, 0x2000, 0x15)
12.50967651s ago: executing program 4 (id=5):
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x48001, 0x0)
write(r0, &(0x7f0000000140)='1', 0x1)
r1 = socket$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)
setsockopt$inet_tcp_TCP_REPAIR(r1, 0x6, 0x13, &(0x7f00000001c0), 0x4)
sendto$inet(r1, &(0x7f00000004c0)="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", 0x109e8, 0x805, 0x0, 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0)
write(r2, &(0x7f0000000240)='100', 0x3)
11.167467324s ago: executing program 4 (id=6):
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sec\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sec\x00', &(0x7f00000000c0)='securityfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000e0)='./sec/tomoyo/profile\x00', 0x0, 0x0)
read$FUSE(r0, 0x0, 0x0)
read$usbmon(r0, 0x0, 0x0)
9.872049056s ago: executing program 0 (id=7):
mkdir(&(0x7f0000000000)='./proc_mnt\x00', 0x1ff)
mount(&(0x7f0000000500)=@filename='none\x00', &(0x7f0000000100)='./proc_mnt\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./proc_mnt/ioports\x00', 0x0, 0x0)
read(r0, &(0x7f0000000400)=""/1024, 0x400)
6.950620308s ago: executing program 1 (id=8):
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e21, @broadcast}, 0x2f)
connect$inet(r0, &(0x7f0000000180)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x1b}}, 0x10)
setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000280)='illinois', 0x8)
sendto$inet(r0, &(0x7f0000000000), 0xffffffffffffff94, 0x0, 0x0, 0x0)
recvfrom$inet(r0, &(0x7f0000000080)=""/8, 0xfffffffffffffd0b, 0x720, 0x0, 0xfffffffffffffd25)
470.626638ms ago: executing program 1 (id=9):
mkdir(&(0x7f00000443c0)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000044440)='./dev\x00', &(0x7f0000044480)='devtmpfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000444c0)='./dev/mapper/control\x00', 0x2, 0x0)
capset(&(0x7f0000000040)={0x19980330}, &(0x7f0000000080)={0x6, 0xe, 0x13e, 0x89, 0x2, 0x6})
ioctl$HIDIOCGUSAGE(r0, 0xc018480b, 0x0)
552.28µs ago: executing program 0 (id=10):
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000500)=@newsa={0x19c, 0x10, 0x1, 0x70bc2c, 0x0, {{@in6=@loopback, @in6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x0, 0xecdf, 0x0, 0x0, 0xa}, {@in=@rand_addr=0x64010101, 0x0, 0x32}, @in6=@private2={0xfc, 0x2, '\x00', 0x1}, {0xfffffffffffffffe, 0xfffffffffffffffe, 0x3, 0x0, 0x0, 0xfffffffffffffffc, 0x0, 0x8000000000000000}, {0x1, 0x400800, 0x6, 0x292}, {0x1000}, 0x0, 0x3507, 0xa, 0x4, 0x0, 0x2c}, [@algo_crypt={0x60, 0x2, {{'cbc(des3_ede)\x00'}, 0xc0, "6e000bfff000002000ff8000000000000000000100001800"}}, @algo_auth_trunc={0x4c, 0x14, {{'hmac(sha256)\x00'}, 0x0, 0x60}}]}, 0x19c}}, 0x4044050)
0s ago: executing program 4 (id=11):
syz_mount_image$f2fs(&(0x7f00000000c0), &(0x7f0000000040)='./file0\x00', 0x8, &(0x7f0000005880)=ANY=[@ANYBLOB="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", @ANYRESOCT=0x0, @ANYRESOCT=0x0, @ANYRESOCT=0x0, @ANYRES32=0x0, @ANYRESHEX, @ANYRES16, @ANYRES32], 0x5, 0x5505, &(0x7f0000000340)="$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r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x183341, 0x0)
ioctl$F2FS_IOC_START_ATOMIC_WRITE(r0, 0xf501, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x109342, 0x0)
write$FUSE_CREATE_OPEN(r1, &(0x7f0000007c40)={0xa0, 0x0, 0x0, {{0x1, 0x1, 0x81, 0x9, 0x1, 0x7fffffff, {0x6, 0xb, 0x7, 0xffff, 0x5ad, 0x6, 0xf, 0x6, 0x401, 0xc000, 0x54ce343e, 0x0, 0x0, 0xe}}, {0x0, 0x8}}}, 0xa0)
pwrite64(r1, &(0x7f0000000140)='2', 0x1, 0x8080c61)
open(&(0x7f0000000000)='./bus\x00', 0x64942, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
kernel console output (not intermixed with test programs):
T90] ? clear_bhb_loop+0x50/0xa0
[ 35.035910][ T90] ? clear_bhb_loop+0x50/0xa0
[ 35.040908][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 35.046983][ T90] RIP: 0033:0x7fbb713ab407
[ 35.051539][ T90] 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
[ 35.072093][ T90] RSP: 002b:00007fff55cf8af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 35.080714][ T90] RAX: ffffffffffffffda RBX: 00007fbb7125bc80 RCX: 00007fbb713ab407
[ 35.089086][ T90] RDX: 0000000000000074 RSI: 00007fff55cf8c30 RDI: 0000000000000003
[ 35.097344][ T90] RBP: 00007fff55cf9060 R08: 0000000000000000 R09: 0000000000000000
[ 35.105515][ T90] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fff55cf9078
[ 35.113718][ T90] R13: 00007fff55cf8c30 R14: 0000000000000059 R15: 00007fff55cf8c30
[ 35.122027][ T90]
[ 35.126065][ T318] CPU: 0 PID: 318 Comm: syz.0.1 Not tainted syzkaller #0
[ 35.133228][ T318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 35.143314][ T318] Call Trace:
[ 35.146796][ T318]
[ 35.149838][ T318] __dump_stack+0x21/0x30
[ 35.154307][ T318] dump_stack_lvl+0x110/0x170
[ 35.159366][ T318] ? show_regs_print_info+0x20/0x20
[ 35.164715][ T318] ? prandom_u32+0x24d/0x290
[ 35.169573][ T318] dump_stack+0x15/0x20
[ 35.174059][ T318] should_fail+0x3ab/0x500
[ 35.178521][ T318] __should_failslab+0xa4/0xe0
[ 35.183465][ T318] should_failslab+0x9/0x20
[ 35.188208][ T318] slab_pre_alloc_hook+0x39/0xd0
[ 35.193208][ T318] ? __d_alloc+0x2d/0x690
[ 35.197781][ T318] kmem_cache_alloc+0x44/0x260
[ 35.202691][ T318] __d_alloc+0x2d/0x690
[ 35.206882][ T318] d_alloc_parallel+0xe5/0x1380
[ 35.211765][ T318] ? avc_has_perm_noaudit+0x390/0x490
[ 35.217409][ T318] ? avc_has_perm_noaudit+0x30a/0x490
[ 35.222841][ T318] ? d_hash_and_lookup+0x1f0/0x1f0
[ 35.228098][ T318] ? __kasan_check_write+0x14/0x20
[ 35.233335][ T318] ? rwsem_read_trylock+0x2af/0x640
[ 35.238920][ T318] ? lockref_get_not_dead+0xe6/0x1c0
[ 35.244791][ T318] ? downgrade_write+0x440/0x440
[ 35.249799][ T318] __lookup_slow+0x14c/0x410
[ 35.254545][ T318] ? lookup_one_len+0x2d0/0x2d0
[ 35.259432][ T318] ? down_read+0xab/0x100
[ 35.263790][ T318] ? handle_dots+0xe10/0xe10
[ 35.268412][ T318] ? _raw_spin_lock+0x94/0xf0
[ 35.273153][ T318] ? _raw_spin_trylock_bh+0x150/0x150
[ 35.278731][ T318] lookup_slow+0x57/0x70
[ 35.283116][ T318] walk_component+0x326/0x460
[ 35.287837][ T318] link_path_walk+0x688/0xde0
[ 35.292744][ T318] ? handle_lookup_down+0x130/0x130
[ 35.297991][ T318] path_openat+0x282/0x2f80
[ 35.302890][ T318] ? __kasan_slab_alloc+0xc9/0xe0
[ 35.308415][ T318] ? __kasan_slab_alloc+0xb7/0xe0
[ 35.313772][ T318] ? slab_post_alloc_hook+0x4f/0x2b0
[ 35.319664][ T318] ? do_sys_openat2+0xeb/0x7f0
[ 35.324560][ T318] ? __x64_sys_openat+0x136/0x160
[ 35.330134][ T318] ? x64_sys_call+0x219/0x9a0
[ 35.334862][ T318] ? do_syscall_64+0x4c/0xa0
[ 35.339644][ T318] ? do_filp_open+0x400/0x400
[ 35.340338][ T316] udevd[316]: inotify_add_watch(7, /dev/loop4, 10) failed: Cannot allocate memory
[ 35.344348][ T318] do_filp_open+0x1df/0x400
[ 35.344374][ T318] ? vfs_tmpfile+0x2d0/0x2d0
[ 35.362834][ T318] do_sys_openat2+0x15e/0x7f0
[ 35.367555][ T318] ? __fget_files+0x2e1/0x340
[ 35.372426][ T318] ? do_sys_open+0xe0/0xe0
[ 35.377258][ T318] ? fput_many+0x15a/0x1a0
[ 35.381718][ T318] __x64_sys_openat+0x136/0x160
[ 35.386593][ T318] x64_sys_call+0x219/0x9a0
[ 35.391115][ T318] do_syscall_64+0x4c/0xa0
[ 35.395566][ T318] ? clear_bhb_loop+0x50/0xa0
[ 35.400530][ T318] ? clear_bhb_loop+0x50/0xa0
[ 35.405314][ T318] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 35.411250][ T318] RIP: 0033:0x7fdac8621f99
[ 35.415686][ T318] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 35.435405][ T318] RSP: 002b:00007fdac705a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 35.444054][ T318] RAX: ffffffffffffffda RBX: 00007fdac88aa090 RCX: 00007fdac8621f99
[ 35.452250][ T318] RDX: 0000000000000001 RSI: 0000200000000400 RDI: ffffffffffffff9c
[ 35.460525][ T318] RBP: 00007fdac86b8ec4 R08: 0000000000000000 R09: 0000000000000000
[ 35.465090][ T39] FAULT_INJECTION: forcing a failure.
[ 35.465090][ T39] name failslab, interval 1, probability 1, space 0, times 98
[ 35.468527][ T318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 35.490037][ T318] R13: 00007fdac88aa128 R14: 00007fdac88aa090 R15: 00007ffeaebdec68
[ 35.498140][ T318]
[ 35.501196][ T39] CPU: 1 PID: 39 Comm: kworker/1:1 Not tainted syzkaller #0
[ 35.508527][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 35.518703][ T39] Workqueue: ipv6_addrconf addrconf_dad_work
[ 35.524728][ T39] Call Trace:
[ 35.528032][ T39]
[ 35.531088][ T39] __dump_stack+0x21/0x30
[ 35.535445][ T39] dump_stack_lvl+0x110/0x170
[ 35.540761][ T39] ? show_regs_print_info+0x20/0x20
[ 35.546595][ T39] ? prandom_u32+0x24d/0x290
[ 35.551329][ T39] dump_stack+0x15/0x20
[ 35.555631][ T39] should_fail+0x3ab/0x500
[ 35.560086][ T39] ? inet6_rt_notify+0x293/0x480
[ 35.565146][ T39] __should_failslab+0xa4/0xe0
[ 35.570765][ T39] should_failslab+0x9/0x20
[ 35.575316][ T39] slab_pre_alloc_hook+0x39/0xd0
[ 35.580273][ T39] ? inet6_rt_notify+0x293/0x480
[ 35.585371][ T39] ? inet6_rt_notify+0x293/0x480
[ 35.590728][ T39] __kmalloc_track_caller+0x6c/0x2c0
[ 35.596057][ T39] ? inet6_rt_notify+0x293/0x480
[ 35.601023][ T39] ? inet6_rt_notify+0x293/0x480
[ 35.606166][ T39] __alloc_skb+0x210/0x730
[ 35.610623][ T39] inet6_rt_notify+0x293/0x480
[ 35.615860][ T39] ? rt6_nh_dump_exceptions+0x6b0/0x6b0
[ 35.621461][ T39] ? call_fib_notifiers+0xa0/0xc0
[ 35.626759][ T39] fib6_add+0x223f/0x3d70
[ 35.631513][ T39] ? fib6_update_sernum_stub+0x190/0x190
[ 35.637188][ T39] ? __kasan_check_write+0x14/0x20
[ 35.642336][ T39] ? _raw_spin_lock_bh+0x94/0xf0
[ 35.647309][ T39] ip6_ins_rt+0xd3/0x130
[ 35.651632][ T39] ? rt6_lookup+0x220/0x220
[ 35.656158][ T39] ? rtnl_notify+0x9a/0xc0
[ 35.660700][ T39] __ipv6_ifa_notify+0x4df/0xe70
[ 35.665853][ T39] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 35.671861][ T39] ? __local_bh_enable_ip+0x58/0x80
[ 35.677245][ T39] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 35.684080][ T39] ? __kasan_check_write+0x14/0x20
[ 35.689406][ T39] ? try_to_grab_pending+0x1a4/0x580
[ 35.694896][ T39] ? __mutex_lock_slowpath+0x10/0x10
[ 35.700208][ T39] ? mod_delayed_work_on+0xe0/0xe0
[ 35.705595][ T39] ? node_free_rcu+0x30/0x30
[ 35.710206][ T39] ? __kasan_check_write+0x14/0x20
[ 35.715419][ T39] ? __cancel_work+0x198/0x200
[ 35.720468][ T39] addrconf_dad_completed+0x182/0xe20
[ 35.726061][ T39] ? __kasan_check_write+0x14/0x20
[ 35.731217][ T39] ? addrconf_dad_stop+0x440/0x440
[ 35.736507][ T39] ? mod_delayed_work_on+0xa8/0xe0
[ 35.741876][ T39] addrconf_dad_work+0xc4c/0x1510
[ 35.746951][ T39] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 35.752288][ T39] ? __kasan_check_write+0x14/0x20
[ 35.757449][ T39] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 35.763379][ T39] process_one_work+0x6c8/0xbb0
[ 35.768266][ T39] worker_thread+0xaa0/0x1250
[ 35.772986][ T39] ? __kasan_check_read+0x11/0x20
[ 35.778176][ T39] kthread+0x3f5/0x4f0
[ 35.782276][ T39] ? worker_clr_flags+0x190/0x190
[ 35.787665][ T39] ? kthread_blkcg+0xd0/0xd0
[ 35.792508][ T39] ret_from_fork+0x1f/0x30
[ 35.797731][ T39]
[ 35.801236][ T312] CPU: 0 PID: 312 Comm: syz.1.2 Not tainted syzkaller #0
[ 35.808329][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 35.809826][ T289] FAULT_INJECTION: forcing a failure.
[ 35.809826][ T289] name failslab, interval 1, probability 1, space 0, times 97
[ 35.819710][ T312] Call Trace:
[ 35.819723][ T312]
[ 35.819731][ T312] __dump_stack+0x21/0x30
[ 35.819758][ T312] dump_stack_lvl+0x110/0x170
[ 35.848936][ T312] ? show_regs_print_info+0x20/0x20
[ 35.854281][ T312] ? prandom_u32+0x24d/0x290
[ 35.858906][ T312] dump_stack+0x15/0x20
[ 35.863096][ T312] should_fail+0x3ab/0x500
[ 35.867542][ T312] __should_failslab+0xa4/0xe0
[ 35.872337][ T312] should_failslab+0x9/0x20
[ 35.877045][ T312] slab_pre_alloc_hook+0x39/0xd0
[ 35.882364][ T312] ? vm_area_dup+0x26/0x210
[ 35.887067][ T312] kmem_cache_alloc+0x44/0x260
[ 35.892484][ T312] vm_area_dup+0x26/0x210
[ 35.896841][ T312] __split_vma+0xac/0x3e0
[ 35.901195][ T312] split_vma+0x7c/0xd0
[ 35.902671][ T90] FAULT_INJECTION: forcing a failure.
[ 35.902671][ T90] name failslab, interval 1, probability 1, space 0, times 96
[ 35.905287][ T312] mprotect_fixup+0x496/0x7d0
[ 35.923201][ T312] ? change_protection+0x1510/0x1510
[ 35.928714][ T312] ? security_file_mprotect+0x84/0xa0
[ 35.934308][ T312] do_mprotect_pkey+0x72c/0xad0
[ 35.939733][ T312] ? prot_none_test+0x10/0x10
[ 35.944706][ T312] ? debug_smp_processor_id+0x17/0x20
[ 35.950112][ T312] __x64_sys_mprotect+0x80/0x90
[ 35.955167][ T312] x64_sys_call+0x912/0x9a0
[ 35.959713][ T312] do_syscall_64+0x4c/0xa0
[ 35.964152][ T312] ? clear_bhb_loop+0x50/0xa0
[ 35.968849][ T312] ? clear_bhb_loop+0x50/0xa0
[ 35.973568][ T312] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 35.979667][ T312] RIP: 0033:0x7f1afe51bd97
[ 35.984135][ T312] Code: 89 38 eb 84 0f 1f 80 00 00 00 00 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff e9 7a ff ff ff b8 0a 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
[ 36.004705][ T312] RSP: 002b:00007ffd40789488 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
[ 36.013383][ T312] RAX: ffffffffffffffda RBX: 00007f1afcf546c0 RCX: 00007f1afe51bd97
[ 36.022083][ T312] RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007f1afcf35000
[ 36.031282][ T312] RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000
[ 36.039427][ T312] R10: 0000000000021000 R11: 0000000000000206 R12: 00007ffd407895e0
[ 36.047529][ T312] R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000
[ 36.055531][ T312]
[ 36.058572][ T289] CPU: 1 PID: 289 Comm: syz-executor Not tainted syzkaller #0
[ 36.066506][ T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 36.076896][ T289] Call Trace:
[ 36.080205][ T289]
[ 36.083207][ T289] __dump_stack+0x21/0x30
[ 36.087999][ T289] dump_stack_lvl+0x110/0x170
[ 36.093155][ T289] ? show_regs_print_info+0x20/0x20
[ 36.098417][ T289] ? prandom_u32+0x24d/0x290
[ 36.103044][ T289] dump_stack+0x15/0x20
[ 36.107404][ T289] should_fail+0x3ab/0x500
[ 36.112193][ T289] __should_failslab+0xa4/0xe0
[ 36.116994][ T289] should_failslab+0x9/0x20
[ 36.122046][ T289] slab_pre_alloc_hook+0x39/0xd0
[ 36.127128][ T289] ? alloc_vmap_area+0x186/0x1a70
[ 36.132175][ T289] kmem_cache_alloc+0x44/0x260
[ 36.137482][ T289] alloc_vmap_area+0x186/0x1a70
[ 36.142462][ T289] ? vm_map_ram+0xa70/0xa70
[ 36.147190][ T289] ? __get_vm_area_node+0x11d/0x350
[ 36.152430][ T289] __get_vm_area_node+0x14e/0x350
[ 36.157492][ T289] __vmalloc_node_range+0xe8/0xad0
[ 36.162643][ T289] ? xt_counters_alloc+0x44/0x50
[ 36.167628][ T289] ? xt_counters_alloc+0x44/0x50
[ 36.172719][ T289] vzalloc+0x78/0x90
[ 36.176639][ T289] ? xt_counters_alloc+0x44/0x50
[ 36.181639][ T289] xt_counters_alloc+0x44/0x50
[ 36.186418][ T289] __do_replace+0xa8/0x9e0
[ 36.190869][ T289] ? kvmalloc_node+0x23c/0x320
[ 36.195705][ T289] ? translate_compat_table+0x2090/0x2090
[ 36.201471][ T289] ? __kasan_check_write+0x14/0x20
[ 36.206781][ T289] ? copy_from_sockptr_offset+0x77/0x90
[ 36.212372][ T289] do_ipt_set_ctl+0xa8f/0xd70
[ 36.217085][ T289] ? ipt_unregister_table_exit+0x230/0x230
[ 36.223031][ T289] ? is_bpf_text_address+0x177/0x190
[ 36.228348][ T289] ? __kasan_check_write+0x14/0x20
[ 36.233512][ T289] ? mutex_unlock+0x8f/0x230
[ 36.238161][ T289] ? __mutex_lock_slowpath+0x10/0x10
[ 36.243469][ T289] ? _raw_spin_lock_bh+0x94/0xf0
[ 36.248461][ T289] ? _raw_spin_lock_irq+0xf0/0xf0
[ 36.253783][ T289] nf_setsockopt+0x272/0x2a0
[ 36.258398][ T289] ip_setsockopt+0x2dae/0x37a0
[ 36.263354][ T289] ? nf_getsockopt+0x287/0x290
[ 36.268244][ T289] ? ipv4_pktinfo_prepare+0x520/0x520
[ 36.274201][ T289] ? ip_getsockopt+0x1377/0x17a0
[ 36.279473][ T289] ? ip_setsockopt+0x37a0/0x37a0
[ 36.284721][ T289] ? __kasan_check_write+0x14/0x20
[ 36.289860][ T289] ? ptep_set_access_flags+0x64/0xb0
[ 36.295285][ T289] ? _raw_spin_unlock+0x4d/0x70
[ 36.300177][ T289] ? wp_page_reuse+0xf3/0x110
[ 36.304903][ T289] ? do_wp_page+0x8e2/0xc90
[ 36.309619][ T289] ? handle_pte_fault+0x824/0x2770
[ 36.314901][ T289] ? __kasan_slab_alloc+0xb7/0xe0
[ 36.319992][ T289] ? kmem_cache_alloc+0xf7/0x260
[ 36.325194][ T289] ? security_file_alloc+0x33/0x120
[ 36.330612][ T289] ? avc_has_perm_noaudit+0x390/0x490
[ 36.336835][ T289] ? memcpy+0x56/0x70
[ 36.341193][ T289] ? avc_has_perm_noaudit+0x30a/0x490
[ 36.346615][ T289] ? avc_denied+0x1b0/0x1b0
[ 36.351271][ T289] ? avc_has_perm+0x163/0x250
[ 36.356008][ T289] ? avc_has_perm_noaudit+0x490/0x490
[ 36.364282][ T289] ? avc_has_perm+0x163/0x250
[ 36.369874][ T289] tcp_setsockopt+0x22b/0x1e90
[ 36.376634][ T289] ? selinux_socket_setsockopt+0x282/0x360
[ 36.385750][ T289] ? tcp_set_window_clamp+0x1b0/0x1b0
[ 36.392383][ T289] ? selinux_socket_getpeername+0x340/0x340
[ 36.399408][ T289] sock_common_setsockopt+0xa0/0xb0
[ 36.405193][ T289] ? sock_common_recvmsg+0x1c0/0x1c0
[ 36.410895][ T289] __sys_setsockopt+0x2e9/0x470
[ 36.416469][ T289] ? __ia32_sys_recv+0xb0/0xb0
[ 36.423162][ T289] ? sock_recv_errqueue+0x5c0/0x5c0
[ 36.429559][ T289] __x64_sys_setsockopt+0xbf/0xd0
[ 36.435944][ T289] x64_sys_call+0x982/0x9a0
[ 36.440573][ T289] do_syscall_64+0x4c/0xa0
[ 36.445760][ T289] ? clear_bhb_loop+0x50/0xa0
[ 36.450483][ T289] ? clear_bhb_loop+0x50/0xa0
[ 36.455509][ T289] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 36.462542][ T289] RIP: 0033:0x7f44b952e7da
[ 36.466985][ T289] Code: 48 83 ec 10 48 63 c9 48 63 ff 45 89 c9 6a 2c e8 6c 99 fb ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 49 89 ca b8 36 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
[ 36.487622][ T289] RSP: 002b:00007ffdc626bba8 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
[ 36.496762][ T289] RAX: ffffffffffffffda RBX: 00007ffdc626bc30 RCX: 00007f44b952e7da
[ 36.505222][ T289] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003
[ 36.514085][ T289] RBP: 0000000000000003 R08: 00000000000002d8 R09: 0000000000000000
[ 36.522345][ T289] R10: 00007f44b977fb20 R11: 0000000000000206 R12: 00007f44b977fac0
[ 36.533992][ T289] R13: 00007ffdc626bbcc R14: 0000000000000000 R15: 00007f44b9780180
[ 36.542360][ T289]
[ 36.545703][ T315] CPU: 0 PID: 315 Comm: syz.0.1 Not tainted syzkaller #0
[ 36.553057][ T315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 36.563144][ T315] Call Trace:
[ 36.566448][ T315]
[ 36.569797][ T315] __dump_stack+0x21/0x30
[ 36.574165][ T315] dump_stack_lvl+0x110/0x170
[ 36.579250][ T315] ? show_regs_print_info+0x20/0x20
[ 36.584681][ T315] ? prandom_u32+0x24d/0x290
[ 36.589674][ T315] dump_stack+0x15/0x20
[ 36.593959][ T315] should_fail+0x3ab/0x500
[ 36.598699][ T315] __should_failslab+0xa4/0xe0
[ 36.603763][ T315] should_failslab+0x9/0x20
[ 36.608341][ T315] slab_pre_alloc_hook+0x39/0xd0
[ 36.613312][ T315] ? alloc_vfsmnt+0x27/0x4a0
[ 36.618022][ T315] kmem_cache_alloc+0x44/0x260
[ 36.622990][ T315] alloc_vfsmnt+0x27/0x4a0
[ 36.628176][ T315] vfs_create_mount+0x7b/0x4b0
[ 36.633506][ T315] do_new_mount+0x355/0xb40
[ 36.638336][ T315] ? security_capable+0x87/0xb0
[ 36.643475][ T315] path_mount+0x640/0xff0
[ 36.647859][ T315] __se_sys_mount+0x320/0x390
[ 36.652584][ T315] ? __x64_sys_mount+0xd0/0xd0
[ 36.657642][ T315] ? __kasan_check_write+0x14/0x20
[ 36.662872][ T315] __x64_sys_mount+0xbf/0xd0
[ 36.667638][ T315] x64_sys_call+0x6bf/0x9a0
[ 36.672519][ T315] do_syscall_64+0x4c/0xa0
[ 36.677074][ T315] ? clear_bhb_loop+0x50/0xa0
[ 36.681775][ T315] ? clear_bhb_loop+0x50/0xa0
[ 36.686616][ T315] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 36.692842][ T315] RIP: 0033:0x7fdac8621f99
[ 36.697375][ T315] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 36.718125][ T315] RSP: 002b:00007fdac707b028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 36.726847][ T315] RAX: ffffffffffffffda RBX: 00007fdac88a9fa0 RCX: 00007fdac8621f99
[ 36.735235][ T315] RDX: 0000200000000200 RSI: 0000200000000100 RDI: 0000000000000000
[ 36.743254][ T315] RBP: 00007fdac86b8ec4 R08: 0000000000000000 R09: 0000000000000000
[ 36.752165][ T315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 36.760241][ T315] R13: 00007fdac88aa038 R14: 00007fdac88a9fa0 R15: 00007ffeaebdec68
[ 36.768441][ T315]
[ 36.771767][ T90] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 36.778670][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 36.788961][ T90] Call Trace:
[ 36.792366][ T90]
[ 36.795412][ T90] __dump_stack+0x21/0x30
[ 36.799931][ T90] dump_stack_lvl+0x110/0x170
[ 36.803008][ C0] FAULT_INJECTION: forcing a failure.
[ 36.803008][ C0] name failslab, interval 1, probability 1, space 0, times 93
[ 36.804753][ T90] ? show_regs_print_info+0x20/0x20
[ 36.823214][ T90] ? prandom_u32+0x24d/0x290
[ 36.827980][ T90] dump_stack+0x15/0x20
[ 36.832544][ T90] should_fail+0x3ab/0x500
[ 36.837091][ T90] __should_failslab+0xa4/0xe0
[ 36.841895][ T90] should_failslab+0x9/0x20
[ 36.846443][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 36.851429][ T90] ? __alloc_skb+0xe4/0x730
[ 36.856070][ T90] kmem_cache_alloc+0x44/0x260
[ 36.861298][ T90] __alloc_skb+0xe4/0x730
[ 36.865671][ T90] alloc_skb_with_frags+0xa8/0x620
[ 36.870914][ T90] ? memcpy+0x56/0x70
[ 36.874930][ T90] sock_alloc_send_pskb+0x87f/0x9a0
[ 36.880429][ T90] ? sock_kzfree_s+0x60/0x60
[ 36.885166][ T90] ? __kasan_check_write+0x14/0x20
[ 36.890479][ T90] ? _raw_spin_lock+0x94/0xf0
[ 36.895223][ T90] ? _raw_spin_trylock_bh+0x150/0x150
[ 36.900794][ T90] unix_dgram_sendmsg+0x6f3/0x19b0
[ 36.905975][ T90] ? unix_dgram_poll+0x6c0/0x6c0
[ 36.911168][ T90] ? security_socket_sendmsg+0x82/0xa0
[ 36.917153][ T90] __sys_sendto+0x46d/0x620
[ 36.921880][ T90] ? __ia32_sys_getpeername+0x90/0x90
[ 36.928198][ T90] ? __kasan_check_write+0x14/0x20
[ 36.933848][ T90] __x64_sys_sendto+0xe5/0x100
[ 36.938654][ T90] x64_sys_call+0x178/0x9a0
[ 36.943208][ T90] do_syscall_64+0x4c/0xa0
[ 36.947643][ T90] ? clear_bhb_loop+0x50/0xa0
[ 36.952448][ T90] ? clear_bhb_loop+0x50/0xa0
[ 36.957590][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 36.963700][ T90] RIP: 0033:0x7fbb713ab407
[ 36.968216][ T90] 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
[ 36.987974][ T90] RSP: 002b:00007fff55cf8af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 36.996738][ T90] RAX: ffffffffffffffda RBX: 00007fbb7125bc80 RCX: 00007fbb713ab407
[ 37.005531][ T90] RDX: 000000000000005b RSI: 00007fff55cf8c30 RDI: 0000000000000003
[ 37.014164][ T90] RBP: 00007fff55cf9060 R08: 0000000000000000 R09: 0000000000000000
[ 37.022263][ T90] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fff55cf9078
[ 37.030344][ T90] R13: 00007fff55cf8c30 R14: 0000000000000040 R15: 00007fff55cf8c30
[ 37.038458][ T90]
[ 37.041753][ C0] CPU: 0 PID: 64 Comm: jbd2/sda1-8 Not tainted syzkaller #0
[ 37.041995][ C1] FAULT_INJECTION: forcing a failure.
[ 37.041995][ C1] name failslab, interval 1, probability 1, space 0, times 93
[ 37.049335][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 37.072457][ C0] Call Trace:
[ 37.075797][ C0]
[ 37.078676][ C0] __dump_stack+0x21/0x30
[ 37.083239][ C0] dump_stack_lvl+0x110/0x170
[ 37.088966][ C0] ? show_regs_print_info+0x20/0x20
[ 37.094284][ C0] ? prandom_u32+0x24d/0x290
[ 37.098919][ C0] dump_stack+0x15/0x20
[ 37.103183][ C0] should_fail+0x3ab/0x500
[ 37.107822][ C0] __should_failslab+0xa4/0xe0
[ 37.112784][ C0] should_failslab+0x9/0x20
[ 37.117393][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 37.122553][ C0] ? __alloc_skb+0xe4/0x730
[ 37.127106][ C0] kmem_cache_alloc+0x44/0x260
[ 37.132095][ C0] __alloc_skb+0xe4/0x730
[ 37.136580][ C0] __tcp_send_ack+0x9b/0x6c0
[ 37.141323][ C0] tcp_send_ack+0x3b/0x60
[ 37.146029][ C0] __tcp_ack_snd_check+0x40e/0x900
[ 37.151338][ C0] tcp_rcv_established+0x1188/0x1ad0
[ 37.157250][ C0] ? tcp_check_space+0x960/0x960
[ 37.162448][ C0] ? ipv4_dst_check+0xf2/0x160
[ 37.167356][ C0] tcp_v4_do_rcv+0x591/0x9f0
[ 37.172841][ C0] tcp_v4_rcv+0x221a/0x2880
[ 37.177752][ C0] ? __kasan_check_read+0x11/0x20
[ 37.183105][ C0] ? amd_flush_garts+0x115/0x240
[ 37.188187][ C0] ? unwind_next_frame+0x39e/0x660
[ 37.193546][ C0] ? tcp_filter+0x90/0x90
[ 37.197896][ C0] ip_protocol_deliver_rcu+0x360/0x760
[ 37.203467][ C0] ip_local_deliver+0x2dd/0x520
[ 37.208349][ C0] ? ip_protocol_deliver_rcu+0x760/0x760
[ 37.213999][ C0] ? ip_rcv_finish_core+0xb00/0x1450
[ 37.219310][ C0] ip_sublist_rcv+0x75b/0x8a0
[ 37.224093][ C0] ? ip_list_rcv+0x430/0x430
[ 37.228708][ C0] ? packet_sock_destruct+0x160/0x160
[ 37.234127][ C0] ? memset+0x35/0x40
[ 37.238127][ C0] ? ip_rcv_core+0x72c/0xb70
[ 37.242731][ C0] ip_list_rcv+0x3e4/0x430
[ 37.247198][ C0] ? ip_rcv_finish+0xc0/0xc0
[ 37.251800][ C0] ? skb_copy_bits+0x684/0x750
[ 37.256769][ C0] ? ip_rcv_finish+0xc0/0xc0
[ 37.261382][ C0] __netif_receive_skb_list_core+0x57e/0x770
[ 37.267473][ C0] ? __netif_receive_skb+0x280/0x280
[ 37.272773][ C0] ? receive_buf+0x2ec5/0x4bc0
[ 37.277774][ C0] netif_receive_skb_list_internal+0x7f8/0xaa0
[ 37.283972][ C0] ? netif_receive_skb_list+0x2a0/0x2a0
[ 37.289535][ C0] ? __kasan_check_write+0x14/0x20
[ 37.294688][ C0] ? virtqueue_get_buf_ctx+0x4a2/0xf60
[ 37.300168][ C0] ? detach_buf_split+0x88d/0xa90
[ 37.305554][ C0] napi_complete_done+0x375/0x7a0
[ 37.311319][ C0] ? __napi_schedule_irqoff+0x230/0x230
[ 37.316912][ C0] ? virtqueue_get_buf_ctx+0x4a2/0xf60
[ 37.322561][ C0] ? virtqueue_enable_cb_prepare+0x235/0x570
[ 37.328648][ C0] virtnet_poll+0x8f4/0xe90
[ 37.333184][ C0] ? refill_work+0x220/0x220
[ 37.338145][ C0] ? virtqueue_disable_cb+0xe3/0x370
[ 37.343904][ C0] __napi_poll+0xbb/0x580
[ 37.348834][ C0] net_rx_action+0x37f/0x910
[ 37.353533][ C0] ? net_tx_action+0x520/0x520
[ 37.358552][ C0] ? irqtime_account_irq+0x76/0x390
[ 37.364944][ C0] handle_softirqs+0x250/0x560
[ 37.369834][ C0] __irq_exit_rcu+0x52/0xf0
[ 37.374478][ C0] irq_exit_rcu+0x9/0x10
[ 37.378800][ C0] common_interrupt+0xbe/0xe0
[ 37.383500][ C0]
[ 37.386798][ C0]
[ 37.390118][ C0] asm_common_interrupt+0x27/0x40
[ 37.395286][ C0] RIP: 0010:mark_page_accessed+0xe5/0x8e0
[ 37.401033][ C0] Code: 00 e8 af 83 d6 ff 48 8b 44 24 08 48 8d 58 08 49 89 de 49 c1 ee 03 43 80 3c 2e 00 74 08 48 89 df e8 00 f3 15 00 48 89 5c 24 10 <4c> 8b 3b 44 89 fe 83 e6 01 31 ff e8 bb 87 d6 ff 41 f6 c7 01 0f 85
[ 37.420852][ C0] RSP: 0018:ffffc90000937500 EFLAGS: 00000246
[ 37.426953][ C0] RAX: ffffea0004594340 RBX: ffffea0004594348 RCX: ffff88810bf44f00
[ 37.434949][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 37.443054][ C0] RBP: ffffc900009375b0 R08: ffffea0004594377 R09: 1ffffd40008b286e
[ 37.451489][ C0] R10: dffffc0000000000 R11: fffff940008b286f R12: 1ffff92000126ea4
[ 37.459578][ C0] R13: dffffc0000000000 R14: 1ffffd40008b2869 R15: ffff8881098a0d98
[ 37.467664][ C0] ? xas_start+0x31d/0x3e0
[ 37.472190][ C0] ? __activate_page+0x11e0/0x11e0
[ 37.477341][ C0] ? xas_load+0x2ea/0x300
[ 37.481687][ C0] pagecache_get_page+0x848/0xdd0
[ 37.486732][ C0] ? page_cache_prev_miss+0x290/0x290
[ 37.492211][ C0] __find_get_block+0x28f/0xeb0
[ 37.497439][ C0] ? should_failslab+0x9/0x20
[ 37.502132][ C0] ? write_boundary_block+0x150/0x150
[ 37.507539][ C0] ? __kasan_check_write+0x14/0x20
[ 37.512829][ C0] __getblk_gfp+0x16c/0x7d0
[ 37.517541][ C0] jbd2_journal_get_descriptor_buffer+0xda/0x390
[ 37.523959][ C0] jbd2_journal_commit_transaction+0x1277/0x5650
[ 37.530328][ C0] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0
[ 37.537284][ C0] ? __switch_to+0x56c/0x1070
[ 37.542009][ C0] ? compat_start_thread+0x20/0x20
[ 37.547577][ C0] ? _raw_spin_unlock+0x4d/0x70
[ 37.552720][ C0] ? _raw_spin_lock+0xf0/0xf0
[ 37.557593][ C0] ? __schedule+0xbd7/0x14a0
[ 37.562317][ C0] ? detach_if_pending+0x18f/0x300
[ 37.567462][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 37.573293][ C0] ? del_timer_sync+0x144/0x1a0
[ 37.578293][ C0] kjournald2+0x43d/0x860
[ 37.582659][ C0] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 37.588151][ C0] ? io_schedule+0xe0/0xe0
[ 37.592603][ C0] ? __kasan_check_read+0x11/0x20
[ 37.598070][ C0] ? __kthread_parkme+0xab/0x1f0
[ 37.603300][ C0] kthread+0x3f5/0x4f0
[ 37.607786][ C0] ? jbd2_seq_info_show+0x5c0/0x5c0
[ 37.613424][ C0] ? kthread_blkcg+0xd0/0xd0
[ 37.619056][ C0] ret_from_fork+0x1f/0x30
[ 37.623698][ C0]
[ 37.627009][ C1] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 37.631354][ C0] FAULT_INJECTION: forcing a failure.
[ 37.631354][ C0] name failslab, interval 1, probability 1, space 0, times 92
[ 37.634103][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 37.634117][ C1] Call Trace:
[ 37.634123][ C1]
[ 37.634131][ C1] __dump_stack+0x21/0x30
[ 37.669281][ C1] dump_stack_lvl+0x110/0x170
[ 37.674085][ C1] ? show_regs_print_info+0x20/0x20
[ 37.679591][ C1] ? prandom_u32+0x24d/0x290
[ 37.684491][ C1] dump_stack+0x15/0x20
[ 37.688785][ C1] should_fail+0x3ab/0x500
[ 37.693320][ C1] __should_failslab+0xa4/0xe0
[ 37.698113][ C1] should_failslab+0x9/0x20
[ 37.702649][ C1] slab_pre_alloc_hook+0x39/0xd0
[ 37.707622][ C1] ? dst_alloc+0x15c/0x1d0
[ 37.712180][ C1] kmem_cache_alloc+0x44/0x260
[ 37.716995][ C1] ? ipv6_sysctl_rtcache_flush+0x100/0x100
[ 37.722845][ C1] dst_alloc+0x15c/0x1d0
[ 37.727119][ C1] icmp6_dst_alloc+0xec/0x520
[ 37.732170][ C1] ? security_sk_classify_flow+0x7b/0x90
[ 37.738312][ C1] ? icmpv6_flow_init+0xd2/0x130
[ 37.743788][ C1] ndisc_send_skb+0x2a9/0xcf0
[ 37.748807][ C1] ? alloc_skb_with_frags+0xa8/0x620
[ 37.754263][ C1] ? sock_alloc_send_pskb+0x87f/0x9a0
[ 37.759659][ C1] ? unix_dgram_sendmsg+0x6f3/0x19b0
[ 37.765086][ C1] ? __sys_sendto+0x46d/0x620
[ 37.770075][ C1] ? __x64_sys_sendto+0xe5/0x100
[ 37.775310][ C1] ? ndisc_alloc_skb+0x290/0x290
[ 37.780298][ C1] ndisc_send_rs+0x711/0x960
[ 37.785031][ C1] addrconf_rs_timer+0x35a/0x600
[ 37.790415][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 37.797009][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 37.803225][ C1] call_timer_fn+0x38/0x290
[ 37.808005][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 37.814666][ C1] __run_timers+0x637/0x9a0
[ 37.819325][ C1] ? calc_index+0x200/0x200
[ 37.824076][ C1] ? sched_clock_cpu+0x18/0x3d0
[ 37.829497][ C1] run_timer_softirq+0x6a/0xf0
[ 37.835105][ C1] handle_softirqs+0x250/0x560
[ 37.840282][ C1] ? irqtime_account_irq+0xbe/0x390
[ 37.845606][ C1] __irq_exit_rcu+0x52/0xf0
[ 37.851408][ C1] irq_exit_rcu+0x9/0x10
[ 37.855750][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 37.861423][ C1]
[ 37.864367][ C1]
[ 37.867308][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 37.873304][ C1] RIP: 0010:preempt_schedule_irq+0xa5/0x120
[ 37.881406][ 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 11 4d 95 fc fb bf 01 00 00 00 76 e4 ff ff fa bf 01 00 00 00 e8 ab 4e 95 fc 65 48 8b 1d 13 f7
[ 37.902010][ C1] RSP: 0018:ffffc900009c7540 EFLAGS: 00000246
[ 37.908285][ C1] RAX: 1ffff11021b9d8be RBX: ffffc900009c7618 RCX: ffffffff870cbf00
[ 37.916714][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 37.924713][ C1] RBP: ffffc900009c75c8 R08: ffff88810dcebb47 R09: 1ffff11021b9d768
[ 37.933360][ C1] R10: dffffc0000000000 R11: ffffed1021b9d769 R12: 0000000000000000
[ 37.941553][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000138ea8
[ 37.949632][ C1] ? __cond_resched+0xd0/0xd0
[ 37.954340][ C1] irqentry_exit_cond_resched+0x29/0x30
[ 37.959901][ C1] irqentry_exit+0x37/0x40
[ 37.964339][ C1] sysvec_reschedule_ipi+0x78/0x80
[ 37.969467][ C1] asm_sysvec_reschedule_ipi+0x1b/0x20
[ 37.975199][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170
[ 37.980682][ C1] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be 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
[ 38.001044][ C1] RSP: 0018:ffffc900009c76c0 EFLAGS: 00000293
[ 38.007326][ C1] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: ffff88810dcebb40
[ 38.015327][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000
[ 38.023327][ C1] RBP: ffffc900009c7760 R08: 0000000000000003 R09: 0000000000000004
[ 38.032480][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000
[ 38.041374][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000138ed8
[ 38.049655][ C1] ? dump_stack_lvl+0x13b/0x170
[ 38.054780][ C1] ? show_regs_print_info+0x20/0x20
[ 38.060065][ C1] ? prandom_u32+0x24d/0x290
[ 38.064958][ C1] dump_stack+0x15/0x20
[ 38.069140][ C1] should_fail+0x3ab/0x500
[ 38.073744][ C1] __should_failslab+0xa4/0xe0
[ 38.078563][ C1] should_failslab+0x9/0x20
[ 38.083263][ C1] slab_pre_alloc_hook+0x39/0xd0
[ 38.088230][ C1] ? __alloc_skb+0xe4/0x730
[ 38.092838][ C1] kmem_cache_alloc+0x44/0x260
[ 38.098312][ C1] __alloc_skb+0xe4/0x730
[ 38.102749][ C1] alloc_skb_with_frags+0xa8/0x620
[ 38.107890][ C1] ? memcpy+0x56/0x70
[ 38.111907][ C1] sock_alloc_send_pskb+0x87f/0x9a0
[ 38.117134][ C1] ? sock_kzfree_s+0x60/0x60
[ 38.121926][ C1] ? __kasan_check_write+0x14/0x20
[ 38.127056][ C1] ? _raw_spin_lock+0x94/0xf0
[ 38.131864][ C1] ? _raw_spin_trylock_bh+0x150/0x150
[ 38.137430][ C1] unix_dgram_sendmsg+0x6f3/0x19b0
[ 38.142561][ C1] ? unix_dgram_poll+0x6c0/0x6c0
[ 38.147618][ C1] ? security_socket_sendmsg+0x82/0xa0
[ 38.153094][ C1] __sys_sendto+0x46d/0x620
[ 38.157704][ C1] ? __ia32_sys_getpeername+0x90/0x90
[ 38.163094][ C1] ? __kasan_check_write+0x14/0x20
[ 38.168322][ C1] __x64_sys_sendto+0xe5/0x100
[ 38.173100][ C1] x64_sys_call+0x178/0x9a0
[ 38.177623][ C1] do_syscall_64+0x4c/0xa0
[ 38.182084][ C1] ? clear_bhb_loop+0x50/0xa0
[ 38.186996][ C1] ? clear_bhb_loop+0x50/0xa0
[ 38.191885][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 38.198153][ C1] RIP: 0033:0x7fbb713ab407
[ 38.202676][ 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
[ 38.222481][ C1] RSP: 002b:00007fff55cf8af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 38.231324][ C1] RAX: ffffffffffffffda RBX: 00007fbb7125bc80 RCX: 00007fbb713ab407
[ 38.239585][ C1] RDX: 000000000000005b RSI: 00007fff55cf8c30 RDI: 0000000000000003
[ 38.247842][ C1] RBP: 00007fff55cf9060 R08: 0000000000000000 R09: 0000000000000000
[ 38.255858][ C1] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fff55cf9078
[ 38.263888][ C1] R13: 00007fff55cf8c30 R14: 0000000000000040 R15: 00007fff55cf8c30
[ 38.271901][ C1]
[ 38.274935][ C0] CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted syzkaller #0
[ 38.282263][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 38.286101][ T289] syz-executor: vmalloc error: size 64, vm_struct allocation failed, mode:0xdc0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
[ 38.292440][ C0] Call Trace:
[ 38.292450][ C0]
[ 38.292457][ C0] __dump_stack+0x21/0x30
[ 38.292482][ C0] dump_stack_lvl+0x110/0x170
[ 38.317702][ T90] FAULT_INJECTION: forcing a failure.
[ 38.317702][ T90] name failslab, interval 1, probability 1, space 0, times 89
[ 38.322026][ C0] ? show_regs_print_info+0x20/0x20
[ 38.322053][ C0] ? prandom_u32+0x24d/0x290
[ 38.345798][ C0] dump_stack+0x15/0x20
[ 38.350520][ C0] should_fail+0x3ab/0x500
[ 38.355472][ C0] __should_failslab+0xa4/0xe0
[ 38.360714][ C0] should_failslab+0x9/0x20
[ 38.365621][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 38.370632][ C0] ? __alloc_skb+0xe4/0x730
[ 38.375204][ C0] kmem_cache_alloc+0x44/0x260
[ 38.380380][ C0] __alloc_skb+0xe4/0x730
[ 38.384747][ C0] ndisc_send_rs+0x310/0x960
[ 38.390325][ C0] addrconf_rs_timer+0x35a/0x600
[ 38.395335][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 38.402178][ C0] ? _raw_spin_lock_irq+0x95/0xf0
[ 38.407718][ C0] ? _raw_spin_lock_irqsave+0x130/0x130
[ 38.413602][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 38.420023][ C0] call_timer_fn+0x38/0x290
[ 38.424580][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 38.430677][ C0] __run_timers+0x637/0x9a0
[ 38.435747][ C0] ? calc_index+0x200/0x200
[ 38.440550][ C0] ? sched_clock_cpu+0x18/0x3d0
[ 38.446111][ C0] ? __schedule+0xbd7/0x14a0
[ 38.450738][ C0] run_timer_softirq+0x6a/0xf0
[ 38.455521][ C0] handle_softirqs+0x250/0x560
[ 38.460753][ C0] ? ksoftirqd_should_run+0x20/0x20
[ 38.466516][ C0] run_ksoftirqd+0x28/0x40
[ 38.471074][ C0] smpboot_thread_fn+0x446/0x880
[ 38.476495][ C0] kthread+0x3f5/0x4f0
[ 38.480690][ C0] ? cpu_report_death+0x1b0/0x1b0
[ 38.486483][ C0] ? kthread_blkcg+0xd0/0xd0
[ 38.491289][ C0] ret_from_fork+0x1f/0x30
[ 38.495754][ C0]
[ 38.499803][ C0] FAULT_INJECTION: forcing a failure.
[ 38.499803][ C0] name failslab, interval 1, probability 1, space 0, times 88
[ 38.500206][ T287] FAULT_INJECTION: forcing a failure.
[ 38.500206][ T287] name failslab, interval 1, probability 1, space 0, times 88
[ 38.513079][ C0] CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted syzkaller #0
[ 38.533605][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 38.544065][ C0] Call Trace:
[ 38.547990][ C0]
[ 38.551389][ C0] __dump_stack+0x21/0x30
[ 38.556095][ C0] dump_stack_lvl+0x110/0x170
[ 38.557738][ T289] ,cpuset=syz4,mems_allowed=0
[ 38.561087][ C0] ? show_regs_print_info+0x20/0x20
[ 38.561125][ C0] ? prandom_u32+0x24d/0x290
[ 38.568430][ T289]
[ 38.571761][ C0] dump_stack+0x15/0x20
[ 38.583145][ C0] should_fail+0x3ab/0x500
[ 38.587677][ C0] __should_failslab+0xa4/0xe0
[ 38.592689][ C0] should_failslab+0x9/0x20
[ 38.597374][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 38.602465][ C0] kmem_cache_alloc_trace+0x48/0x270
[ 38.607802][ C0] ? dst_cow_metrics_generic+0x55/0x1c0
[ 38.613468][ C0] dst_cow_metrics_generic+0x55/0x1c0
[ 38.619047][ C0] icmp6_dst_alloc+0x35f/0x520
[ 38.624280][ C0] ndisc_send_skb+0x2a9/0xcf0
[ 38.629920][ C0] ? ndisc_alloc_skb+0x290/0x290
[ 38.635667][ C0] ? ndisc_send_rs+0x61f/0x960
[ 38.641058][ C0] ? memcpy+0x56/0x70
[ 38.645824][ C0] ndisc_send_rs+0x711/0x960
[ 38.651069][ C0] addrconf_rs_timer+0x35a/0x600
[ 38.656139][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 38.663360][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 38.670873][ C0] call_timer_fn+0x38/0x290
[ 38.675466][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 38.681771][ C0] __run_timers+0x637/0x9a0
[ 38.686566][ C0] ? calc_index+0x200/0x200
[ 38.691384][ C0] ? sched_clock_cpu+0x18/0x3d0
[ 38.696288][ C0] ? __schedule+0xbd7/0x14a0
[ 38.701169][ C0] run_timer_softirq+0x6a/0xf0
[ 38.706166][ C0] handle_softirqs+0x250/0x560
[ 38.711135][ C0] ? ksoftirqd_should_run+0x20/0x20
[ 38.716360][ C0] run_ksoftirqd+0x28/0x40
[ 38.720804][ C0] smpboot_thread_fn+0x446/0x880
[ 38.725863][ C0] kthread+0x3f5/0x4f0
[ 38.730476][ C0] ? cpu_report_death+0x1b0/0x1b0
[ 38.735526][ C0] ? kthread_blkcg+0xd0/0xd0
[ 38.740257][ C0] ret_from_fork+0x1f/0x30
[ 38.745053][ C0]
[ 38.748271][ T289] CPU: 1 PID: 289 Comm: syz-executor Not tainted syzkaller #0
[ 38.749688][ C0] FAULT_INJECTION: forcing a failure.
[ 38.749688][ C0] name failslab, interval 1, probability 1, space 0, times 87
[ 38.755979][ T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 38.755997][ T289] Call Trace:
[ 38.756004][ T289]
[ 38.756013][ T289] __dump_stack+0x21/0x30
[ 38.792981][ T289] dump_stack_lvl+0x110/0x170
[ 38.798609][ T289] ? show_regs_print_info+0x20/0x20
[ 38.804583][ T289] dump_stack+0x15/0x20
[ 38.809061][ T289] warn_alloc+0x1dc/0x200
[ 38.813906][ T289] ? __kasan_slab_free+0x11/0x20
[ 38.820316][ T289] ? slab_free_freelist_hook+0xc2/0x190
[ 38.826960][ T289] ? zone_watermark_ok_safe+0x270/0x270
[ 38.833030][ T289] ? __get_vm_area_node+0x163/0x350
[ 38.838461][ T289] ? __get_vm_area_node+0x163/0x350
[ 38.843789][ T289] __vmalloc_node_range+0x15e/0xad0
[ 38.849255][ T289] ? xt_counters_alloc+0x44/0x50
[ 38.854702][ T289] vzalloc+0x78/0x90
[ 38.858801][ T289] ? xt_counters_alloc+0x44/0x50
[ 38.863880][ T289] xt_counters_alloc+0x44/0x50
[ 38.868690][ T289] __do_replace+0xa8/0x9e0
[ 38.873176][ T289] ? kvmalloc_node+0x23c/0x320
[ 38.877971][ T289] ? translate_compat_table+0x2090/0x2090
[ 38.883897][ T289] ? __kasan_check_write+0x14/0x20
[ 38.889040][ T289] ? copy_from_sockptr_offset+0x77/0x90
[ 38.894625][ T289] do_ipt_set_ctl+0xa8f/0xd70
[ 38.899462][ T289] ? ipt_unregister_table_exit+0x230/0x230
[ 38.905307][ T289] ? is_bpf_text_address+0x177/0x190
[ 38.910826][ T289] ? __kasan_check_write+0x14/0x20
[ 38.916490][ T289] ? mutex_unlock+0x8f/0x230
[ 38.921715][ T289] ? __mutex_lock_slowpath+0x10/0x10
[ 38.927206][ T289] ? _raw_spin_lock_bh+0x94/0xf0
[ 38.932350][ T289] ? _raw_spin_lock_irq+0xf0/0xf0
[ 38.938106][ T289] nf_setsockopt+0x272/0x2a0
[ 38.942730][ T289] ip_setsockopt+0x2dae/0x37a0
[ 38.947537][ T289] ? nf_getsockopt+0x287/0x290
[ 38.952493][ T289] ? ipv4_pktinfo_prepare+0x520/0x520
[ 38.958150][ T289] ? ip_getsockopt+0x1377/0x17a0
[ 38.963117][ T289] ? ip_setsockopt+0x37a0/0x37a0
[ 38.968170][ T289] ? __kasan_check_write+0x14/0x20
[ 38.973488][ T289] ? ptep_set_access_flags+0x64/0xb0
[ 38.978914][ T289] ? _raw_spin_unlock+0x4d/0x70
[ 38.983783][ T289] ? wp_page_reuse+0xf3/0x110
[ 38.988479][ T289] ? do_wp_page+0x8e2/0xc90
[ 38.993174][ T289] ? handle_pte_fault+0x824/0x2770
[ 38.998412][ T289] ? __kasan_slab_alloc+0xb7/0xe0
[ 39.003793][ T289] ? kmem_cache_alloc+0xf7/0x260
[ 39.009396][ T289] ? security_file_alloc+0x33/0x120
[ 39.014846][ T289] ? avc_has_perm_noaudit+0x390/0x490
[ 39.020352][ T289] ? memcpy+0x56/0x70
[ 39.024473][ T289] ? avc_has_perm_noaudit+0x30a/0x490
[ 39.029981][ T289] ? avc_denied+0x1b0/0x1b0
[ 39.034986][ T289] ? avc_has_perm+0x163/0x250
[ 39.039823][ T289] ? avc_has_perm_noaudit+0x490/0x490
[ 39.045223][ T289] ? avc_has_perm+0x163/0x250
[ 39.050041][ T289] tcp_setsockopt+0x22b/0x1e90
[ 39.055278][ T289] ? selinux_socket_setsockopt+0x282/0x360
[ 39.061131][ T289] ? tcp_set_window_clamp+0x1b0/0x1b0
[ 39.066540][ T289] ? selinux_socket_getpeername+0x340/0x340
[ 39.072479][ T289] sock_common_setsockopt+0xa0/0xb0
[ 39.077715][ T289] ? sock_common_recvmsg+0x1c0/0x1c0
[ 39.083057][ T289] __sys_setsockopt+0x2e9/0x470
[ 39.088049][ T289] ? __ia32_sys_recv+0xb0/0xb0
[ 39.093731][ T289] ? sock_recv_errqueue+0x5c0/0x5c0
[ 39.099646][ T289] __x64_sys_setsockopt+0xbf/0xd0
[ 39.104816][ T289] x64_sys_call+0x982/0x9a0
[ 39.109511][ T289] do_syscall_64+0x4c/0xa0
[ 39.114121][ T289] ? clear_bhb_loop+0x50/0xa0
[ 39.118842][ T289] ? clear_bhb_loop+0x50/0xa0
[ 39.124478][ T289] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 39.130916][ T289] RIP: 0033:0x7f44b952e7da
[ 39.135535][ T289] Code: 48 83 ec 10 48 63 c9 48 63 ff 45 89 c9 6a 2c e8 6c 99 fb ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 49 89 ca b8 36 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
[ 39.155541][ T289] RSP: 002b:00007ffdc626bba8 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
[ 39.165717][ T289] RAX: ffffffffffffffda RBX: 00007ffdc626bc30 RCX: 00007f44b952e7da
[ 39.174166][ T289] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003
[ 39.182769][ T289] RBP: 0000000000000003 R08: 00000000000002d8 R09: 0000000000000000
[ 39.191091][ T289] R10: 00007f44b977fb20 R11: 0000000000000206 R12: 00007f44b977fac0
[ 39.199931][ T289] R13: 00007ffdc626bbcc R14: 0000000000000000 R15: 00007f44b9780180
[ 39.207937][ T289]
[ 39.211080][ C0] CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted syzkaller #0
[ 39.218401][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 39.228842][ C0] Call Trace:
[ 39.232133][ C0]
[ 39.235090][ C0] __dump_stack+0x21/0x30
[ 39.239863][ C0] dump_stack_lvl+0x110/0x170
[ 39.244579][ C0] ? show_regs_print_info+0x20/0x20
[ 39.250344][ C0] ? prandom_u32+0x24d/0x290
[ 39.254990][ C0] dump_stack+0x15/0x20
[ 39.259177][ C0] should_fail+0x3ab/0x500
[ 39.263610][ C0] __should_failslab+0xa4/0xe0
[ 39.268484][ C0] should_failslab+0x9/0x20
[ 39.273231][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 39.278236][ C0] kmem_cache_alloc_trace+0x48/0x270
[ 39.283635][ C0] ? dst_cow_metrics_generic+0x55/0x1c0
[ 39.289438][ C0] dst_cow_metrics_generic+0x55/0x1c0
[ 39.295107][ C0] icmp6_dst_alloc+0x35f/0x520
[ 39.299919][ C0] ndisc_send_skb+0x2a9/0xcf0
[ 39.304613][ C0] ? ndisc_alloc_skb+0x290/0x290
[ 39.309767][ C0] ? ndisc_send_rs+0x61f/0x960
[ 39.315353][ C0] ? memcpy+0x56/0x70
[ 39.319386][ C0] ndisc_send_rs+0x711/0x960
[ 39.324129][ C0] addrconf_rs_timer+0x35a/0x600
[ 39.329487][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 39.335717][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 39.341939][ C0] call_timer_fn+0x38/0x290
[ 39.346510][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 39.352779][ C0] __run_timers+0x637/0x9a0
[ 39.357321][ C0] ? calc_index+0x200/0x200
[ 39.362196][ C0] ? sched_clock_cpu+0x18/0x3d0
[ 39.367843][ C0] ? __schedule+0xbd7/0x14a0
[ 39.372890][ C0] run_timer_softirq+0x6a/0xf0
[ 39.377862][ C0] handle_softirqs+0x250/0x560
[ 39.382956][ C0] ? ksoftirqd_should_run+0x20/0x20
[ 39.388712][ C0] run_ksoftirqd+0x28/0x40
[ 39.393169][ C0] smpboot_thread_fn+0x446/0x880
[ 39.398124][ C0] kthread+0x3f5/0x4f0
[ 39.402229][ C0] ? cpu_report_death+0x1b0/0x1b0
[ 39.407536][ C0] ? kthread_blkcg+0xd0/0xd0
[ 39.412546][ C0] ret_from_fork+0x1f/0x30
[ 39.417222][ C0]
[ 39.422250][ T287] CPU: 1 PID: 287 Comm: syz-executor Not tainted syzkaller #0
[ 39.429940][ T287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 39.440356][ T287] Call Trace:
[ 39.444294][ T287]
[ 39.448455][ T287] __dump_stack+0x21/0x30
[ 39.453118][ T287] dump_stack_lvl+0x110/0x170
[ 39.458272][ T287] ? show_regs_print_info+0x20/0x20
[ 39.463865][ T287] ? prandom_u32+0x24d/0x290
[ 39.468497][ T287] dump_stack+0x15/0x20
[ 39.472897][ T287] should_fail+0x3ab/0x500
[ 39.477435][ T287] __should_failslab+0xa4/0xe0
[ 39.482313][ T287] should_failslab+0x9/0x20
[ 39.487014][ T287] slab_pre_alloc_hook+0x39/0xd0
[ 39.491972][ T287] __kmalloc+0x6d/0x2c0
[ 39.496156][ T287] ? shmem_initxattrs+0xd1/0x1f0
[ 39.501193][ T287] shmem_initxattrs+0xd1/0x1f0
[ 39.506281][ T287] security_inode_init_security+0x249/0x380
[ 39.512210][ T287] ? shmem_tmpfile+0x100/0x100
[ 39.516998][ T287] ? security_dentry_create_files_as+0xc0/0xc0
[ 39.523571][ T287] ? __kasan_check_write+0x14/0x20
[ 39.529203][ T287] ? set_cached_acl+0xdd/0x180
[ 39.534450][ T287] ? simple_acl_create+0x191/0x1c0
[ 39.541124][ T287] shmem_mknod+0xbb/0x1c0
[ 39.545692][ T287] ? selinux_inode_mkdir+0x22/0x30
[ 39.551018][ T287] shmem_mkdir+0x2f/0x60
[ 39.555388][ T287] vfs_mkdir+0x38b/0x590
[ 39.559678][ T287] do_mkdirat+0x174/0x4d0
[ 39.564029][ T287] __x64_sys_mkdirat+0x89/0xa0
[ 39.569568][ T287] x64_sys_call+0x37e/0x9a0
[ 39.574103][ T287] do_syscall_64+0x4c/0xa0
[ 39.579239][ T287] ? clear_bhb_loop+0x50/0xa0
[ 39.584398][ T287] ? clear_bhb_loop+0x50/0xa0
[ 39.589423][ T287] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 39.595540][ T287] RIP: 0033:0x7fdac8620e07
[ 39.600155][ T287] Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 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
[ 39.621051][ T287] RSP: 002b:00007ffeaebdefc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000102
[ 39.629767][ T287] RAX: ffffffffffffffda RBX: 00007ffeaebdf020 RCX: 00007fdac8620e07
[ 39.637769][ T287] RDX: 00000000000001ff RSI: 00007ffeaebdf020 RDI: 00000000ffffff9c
[ 39.645862][ T287] RBP: 00007ffeaebdf00c R08: 0000000000000001 R09: 00000000ffffffff
[ 39.654384][ T287] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[ 39.662650][ T287] R13: 00000000000927c0 R14: 0000000000008a20 R15: 00007ffeaebdf060
[ 39.671652][ T287]
[ 39.677656][ T286] FAULT_INJECTION: forcing a failure.
[ 39.677656][ T286] name failslab, interval 1, probability 1, space 0, times 86
[ 39.693103][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 39.699335][ T285] FAULT_INJECTION: forcing a failure.
[ 39.699335][ T285] name failslab, interval 1, probability 1, space 0, times 85
[ 39.710316][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 39.715305][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 39.730791][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 39.732287][ T101] FAULT_INJECTION: forcing a failure.
[ 39.732287][ T101] name failslab, interval 1, probability 1, space 0, times 85
[ 39.741569][ T90] Call Trace:
[ 39.757927][ T90]
[ 39.760887][ T90] __dump_stack+0x21/0x30
[ 39.765312][ T90] dump_stack_lvl+0x110/0x170
[ 39.770119][ T90] ? show_regs_print_info+0x20/0x20
[ 39.770414][ T288] device veth1_macvtap entered promiscuous mode
[ 39.775435][ T90] ? prandom_u32+0x24d/0x290
[ 39.775458][ T90] dump_stack+0x15/0x20
[ 39.775474][ T90] should_fail+0x3ab/0x500
[ 39.795354][ T90] __should_failslab+0xa4/0xe0
[ 39.795393][ T291] FAULT_INJECTION: forcing a failure.
[ 39.795393][ T291] name failslab, interval 1, probability 1, space 0, times 85
[ 39.800375][ T90] should_failslab+0x9/0x20
[ 39.818635][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 39.823629][ T90] ? __alloc_skb+0xe4/0x730
[ 39.828333][ T90] kmem_cache_alloc+0x44/0x260
[ 39.835034][ T90] __alloc_skb+0xe4/0x730
[ 39.841439][ T90] alloc_skb_with_frags+0xa8/0x620
[ 39.849683][ T90] ? memcpy+0x56/0x70
[ 39.855298][ T90] sock_alloc_send_pskb+0x87f/0x9a0
[ 39.860787][ T90] ? sock_kzfree_s+0x60/0x60
[ 39.865402][ T90] ? __kasan_check_write+0x14/0x20
[ 39.870540][ T90] ? _raw_spin_lock+0x94/0xf0
[ 39.875416][ T90] ? _raw_spin_trylock_bh+0x150/0x150
[ 39.880904][ T90] unix_dgram_sendmsg+0x6f3/0x19b0
[ 39.886325][ T90] ? unix_dgram_poll+0x6c0/0x6c0
[ 39.891706][ T90] ? security_socket_sendmsg+0x82/0xa0
[ 39.897201][ T90] __sys_sendto+0x46d/0x620
[ 39.902465][ T90] ? __ia32_sys_getpeername+0x90/0x90
[ 39.908218][ T90] ? __kasan_check_write+0x14/0x20
[ 39.913366][ T90] __x64_sys_sendto+0xe5/0x100
[ 39.918168][ T90] x64_sys_call+0x178/0x9a0
[ 39.922696][ T90] do_syscall_64+0x4c/0xa0
[ 39.927254][ T90] ? clear_bhb_loop+0x50/0xa0
[ 39.931946][ T90] ? clear_bhb_loop+0x50/0xa0
[ 39.936647][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 39.942581][ T90] RIP: 0033:0x7fbb713ab407
[ 39.947023][ T90] 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
[ 39.967160][ T90] RSP: 002b:00007fff55cf8af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 39.975915][ T90] RAX: ffffffffffffffda RBX: 00007fbb7125bc80 RCX: 00007fbb713ab407
[ 39.984037][ T90] RDX: 0000000000000065 RSI: 00007fff55cf8c30 RDI: 0000000000000003
[ 39.992113][ T90] RBP: 00007fff55cf9060 R08: 0000000000000000 R09: 0000000000000000
[ 40.000104][ T90] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fff55cf9078
[ 40.008414][ T90] R13: 00007fff55cf8c30 R14: 000000000000004a R15: 00007fff55cf8c30
[ 40.016668][ T90]
[ 40.019707][ T286] CPU: 1 PID: 286 Comm: syz-executor Not tainted syzkaller #0
[ 40.021474][ T289] Mem-Info:
[ 40.027490][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 40.027508][ T286] Call Trace:
[ 40.027515][ T286]
[ 40.027523][ T286] __dump_stack+0x21/0x30
[ 40.027549][ T286] dump_stack_lvl+0x110/0x170
[ 40.027566][ T286] ? show_regs_print_info+0x20/0x20
[ 40.027591][ T286] ? prandom_u32+0x24d/0x290
[ 40.027611][ T286] dump_stack+0x15/0x20
[ 40.027626][ T286] should_fail+0x3ab/0x500
[ 40.027646][ T286] __should_failslab+0xa4/0xe0
[ 40.027667][ T286] should_failslab+0x9/0x20
[ 40.032141][ T2] FAULT_INJECTION: forcing a failure.
[ 40.032141][ T2] name failslab, interval 1, probability 1, space 0, times 85
[ 40.041535][ T286] slab_pre_alloc_hook+0x39/0xd0
[ 40.048087][ T289] active_anon:36 inactive_anon:4953 isolated_anon:0
[ 40.048087][ T289] active_file:4436 inactive_file:3380 isolated_file:0
[ 40.048087][ T289] unevictable:0 dirty:1420 writeback:0
[ 40.048087][ T289] slab_reclaimable:7202 slab_unreclaimable:72225
[ 40.048087][ T289] mapped:28779 shmem:163 pagetables:446 bounce:0
[ 40.048087][ T289] kernel_misc_reclaimable:0
[ 40.048087][ T289] free:1581693 free_pcp:9578 free_cma:0
[ 40.048249][ T289] Node 0 active_anon:144kB inactive_anon:19812kB active_file:17744kB inactive_file:13520kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:115116kB dirty:5680kB writeback:0kB shmem:652kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:3740kB pagetables:1784kB all_unreclaimable? no
[ 40.052585][ T286] ? __d_alloc+0x2d/0x690
[ 40.052613][ T286] kmem_cache_alloc+0x44/0x260
[ 40.072091][ T289] DMA32 free:2978772kB min:62612kB low:78264kB high:93916kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:2982756kB mlocked:0kB bounce:0kB free_pcp:3984kB local_pcp:3984kB free_cma:0kB
[ 40.076372][ T286] __d_alloc+0x2d/0x690
[ 40.081259][ T289] lowmem_reserve[]: 0
[ 40.086154][ T286] d_alloc+0x48/0x260
[ 40.086173][ T286] ? lookup_one_qstr_excl+0xb6/0x250
[ 40.086194][ T286] lookup_one_qstr_excl+0xcb/0x250
[ 40.121998][ T289] 3941
[ 40.148299][ T286] filename_create+0x23d/0x440
[ 40.148333][ T286] ? kern_path_create+0x1b0/0x1b0
[ 40.242102][ T289] 3941
[ 40.243311][ T286] do_mkdirat+0x5c/0x4d0
[ 40.248255][ T289]
[ 40.248263][ T289] Normal free:3348000kB min:84840kB low:106048kB high:127256kB reserved_highatomic:0KB active_anon:144kB inactive_anon:19812kB active_file:17744kB inactive_file:13520kB unevictable:0kB writepending:5680kB present:5242880kB managed:4036096kB mlocked:0kB bounce:0kB free_pcp:34308kB local_pcp:2336kB free_cma:0kB
[ 40.253282][ T286] ? getname_flags+0x205/0x510
[ 40.253304][ T286] __x64_sys_mkdirat+0x89/0xa0
[ 40.272062][ T289] lowmem_reserve[]:
[ 40.292319][ T286] x64_sys_call+0x37e/0x9a0
[ 40.292352][ T286] do_syscall_64+0x4c/0xa0
[ 40.315592][ T286] ? clear_bhb_loop+0x50/0xa0
[ 40.320293][ T286] ? clear_bhb_loop+0x50/0xa0
[ 40.324994][ T286] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 40.327965][ T90] FAULT_INJECTION: forcing a failure.
[ 40.327965][ T90] name failslab, interval 1, probability 1, space 0, times 84
[ 40.331017][ T286] RIP: 0033:0x7f9a2c8d7e07
[ 40.348687][ T286] Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 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
[ 40.351989][ T289] 0
[ 40.369193][ T286] RSP: 002b:00007ffe7ef657d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 40.369226][ T286] RAX: ffffffffffffffda RBX: 00007f9a2c96f908 RCX: 00007f9a2c8d7e07
[ 40.369240][ T286] RDX: 00000000000001c0 RSI: 00007f9a2c96f983 RDI: 00000000ffffff9c
[ 40.369254][ T286] RBP: 00007f9a2c96f983 R08: 0000000000000000 R09: 0000000000000000
[ 40.369266][ T286] R10: 0000000000045000 R11: 0000000000000246 R12: 0000000000000008
[ 40.369277][ T286] R13: 0000000000000003 R14: 00007ffe7ef65a48 R15: 0000000000000000
[ 40.369293][ T286]
[ 40.412521][ T289] 0
[ 40.424938][ T2] CPU: 0 PID: 2 Comm: kthreadd Not tainted syzkaller #0
[ 40.434540][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 40.444720][ T2] Call Trace:
[ 40.448027][ T2]
[ 40.451675][ T2] __dump_stack+0x21/0x30
[ 40.456025][ T2] dump_stack_lvl+0x110/0x170
[ 40.460804][ T2] ? show_regs_print_info+0x20/0x20
[ 40.466044][ T2] ? prandom_u32+0x24d/0x290
[ 40.470878][ T2] dump_stack+0x15/0x20
[ 40.475090][ T2] should_fail+0x3ab/0x500
[ 40.479538][ T2] __should_failslab+0xa4/0xe0
[ 40.484334][ T2] should_failslab+0x9/0x20
[ 40.488949][ T2] slab_pre_alloc_hook+0x39/0xd0
[ 40.494263][ T2] ? copy_signal+0x53/0x5f0
[ 40.499150][ T2] kmem_cache_alloc+0x44/0x260
[ 40.504225][ T2] ? memcpy+0x56/0x70
[ 40.509170][ T2] copy_signal+0x53/0x5f0
[ 40.513697][ T2] copy_process+0x1158/0x3280
[ 40.518419][ T2] ? __pidfd_prepare+0x150/0x150
[ 40.523545][ T2] ? __switch_to+0x56c/0x1070
[ 40.528242][ T2] kernel_clone+0x233/0x960
[ 40.532777][ T2] ? create_io_thread+0x170/0x170
[ 40.537813][ T2] ? finish_task_switch+0x16b/0x790
[ 40.543124][ T2] ? kthread_blkcg+0xd0/0xd0
[ 40.547737][ T2] kernel_thread+0xfe/0x170
[ 40.552267][ T2] ? ptrace_event_pid+0x180/0x180
[ 40.557305][ T2] ? kthread_blkcg+0xd0/0xd0
[ 40.561914][ T2] ? _raw_spin_trylock_bh+0x150/0x150
[ 40.567397][ T2] ? __kasan_check_read+0x11/0x20
[ 40.572437][ T2] kthreadd+0x346/0x480
[ 40.576634][ T2] ? tokenize_frame_descr+0x93/0xc0
[ 40.582018][ T2] ? kthread_stop+0x3e0/0x3e0
[ 40.586773][ T2] ? _raw_spin_unlock_irq+0x4e/0x70
[ 40.591994][ T2] ? calculate_sigpending+0x7c/0x90
[ 40.597218][ T2] ? kthread_stop+0x3e0/0x3e0
[ 40.601923][ T2] ret_from_fork+0x1f/0x30
[ 40.606453][ T2]
[ 40.609534][ T291] CPU: 1 PID: 291 Comm: kworker/1:2 Not tainted syzkaller #0
[ 40.617057][ T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 40.622094][ T289] 0
[ 40.627174][ T291] Workqueue: ipv6_addrconf addrconf_dad_work
[ 40.629697][ T289] DMA32: 3*4kB
[ 40.635683][ T291] Call Trace:
[ 40.635696][ T291]
[ 40.635705][ T291] __dump_stack+0x21/0x30
[ 40.650072][ T291] dump_stack_lvl+0x110/0x170
[ 40.652239][ T289] (M) 1*8kB (M)
[ 40.654877][ T291] ? show_regs_print_info+0x20/0x20
[ 40.654912][ T291] dump_stack+0x15/0x20
[ 40.658473][ T289] 2*16kB
[ 40.663704][ T291] should_fail+0x3ab/0x500
[ 40.663741][ T291] __should_failslab+0xa4/0xe0
[ 40.681082][ T291] should_failslab+0x9/0x20
[ 40.682001][ T289] (M) 3*32kB (M)
[ 40.685650][ T291] slab_pre_alloc_hook+0x39/0xd0
[ 40.689325][ T289] 3*64kB
[ 40.694303][ T291] ? __alloc_skb+0xe4/0x730
[ 40.694340][ T291] kmem_cache_alloc+0x44/0x260
[ 40.706782][ T291] __alloc_skb+0xe4/0x730
[ 40.711172][ T291] __ipv6_ifa_notify+0x200/0xe70
[ 40.711989][ T289] (M) 3*128kB
[ 40.716123][ T291] ? _raw_write_lock_irq+0xf0/0xf0
[ 40.719510][ T289] (M) 3*256kB (M) 3*512kB (M) 4*1024kB (UM) 3*2048kB
[ 40.724761][ T291] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 40.724785][ T291] ? __kasan_check_write+0x14/0x20
[ 40.743088][ T291] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 40.748759][ T291] ? blake2s_update+0x192/0x260
[ 40.752257][ T289] (UM) 724*4096kB
[ 40.753628][ T291] ? __kasan_check_write+0x14/0x20
[ 40.753639][ T289] (M)
[ 40.753654][ T291] ? try_to_grab_pending+0x1a4/0x580
[ 40.757379][ T289] = 2978772kB
[ 40.757389][ T289] Normal:
[ 40.762700][ T291] ? mod_delayed_work_on+0xe0/0xe0
[ 40.762726][ T291] ? add_device_randomness+0xc2/0x100
[ 40.781982][ T289] 2*4kB
[ 40.782902][ T291] ? crng_reseed+0x1b0/0x1b0
[ 40.788275][ T289] (UM) 3*8kB
[ 40.791407][ T291] ? node_free_rcu+0x30/0x30
[ 40.804578][ T291] ? __kasan_check_write+0x14/0x20
[ 40.810070][ T291] ? __cancel_work+0x198/0x200
[ 40.812025][ T289] (UME) 1*16kB (M)
[ 40.814877][ T291] addrconf_dad_completed+0x182/0xe20
[ 40.819106][ T289] 2*32kB
[ 40.824981][ T291] ? __kasan_check_write+0x14/0x20
[ 40.825019][ T291] ? addrconf_dad_stop+0x440/0x440
[ 40.838571][ T291] ? mod_delayed_work_on+0xa8/0xe0
[ 40.842096][ T289] (UE) 1*64kB (U)
[ 40.844094][ T291] addrconf_dad_work+0xc4c/0x1510
[ 40.844113][ T289] 1*128kB
[ 40.844125][ T291] ? __vunmap+0x8ef/0x980
[ 40.847858][ T289] (M)
[ 40.852890][ T291] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 40.852913][ T291] ? __kasan_check_write+0x14/0x20
[ 40.852933][ T291] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 40.852966][ T291] process_one_work+0x6c8/0xbb0
[ 40.871980][ T289] 2*256kB
[ 40.873578][ T291] worker_thread+0xaa0/0x1250
[ 40.879570][ T289] (ME)
[ 40.884433][ T291] kthread+0x3f5/0x4f0
[ 40.884456][ T291] ? worker_clr_flags+0x190/0x190
[ 40.884477][ T291] ? kthread_blkcg+0xd0/0xd0
[ 40.902113][ T289] 1*512kB
[ 40.904118][ T291] ret_from_fork+0x1f/0x30
[ 40.908713][ T289] (M) 2*1024kB
[ 40.911922][ T291]
[ 40.912698][ T101] CPU: 1 PID: 101 Comm: udevd Not tainted syzkaller #0
[ 40.922133][ T289] (UE)
[ 40.924589][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 40.931441][ T289] 1*2048kB
[ 40.934207][ T101] Call Trace:
[ 40.934214][ T101]
[ 40.934221][ T101] __dump_stack+0x21/0x30
[ 40.957947][ T101] dump_stack_lvl+0x110/0x170
[ 40.962747][ T101] ? show_regs_print_info+0x20/0x20
[ 40.968056][ T101] ? prandom_u32+0x24d/0x290
[ 40.972123][ T289] (E) 816*4096kB
[ 40.972665][ T101] dump_stack+0x15/0x20
[ 40.972686][ T101] should_fail+0x3ab/0x500
[ 40.976322][ T289] (M) = 3347760kB
[ 40.980486][ T101] __should_failslab+0xa4/0xe0
[ 40.985247][ T58] workqueue: Failed to create a worker thread: -ENOMEM
[ 40.988576][ T101] should_failslab+0x9/0x20
[ 41.002202][ T289] 7980 total pagecache pages
[ 41.005593][ T101] slab_pre_alloc_hook+0x39/0xd0
[ 41.010285][ T289] 0 pages in swap cache
[ 41.010296][ T289] Swap cache stats: add 0, delete 0, find 0/0
[ 41.015539][ T101] ? vm_area_dup+0x26/0x210
[ 41.015572][ T101] kmem_cache_alloc+0x44/0x260
[ 41.035652][ T101] vm_area_dup+0x26/0x210
[ 41.040531][ T101] copy_mm+0x963/0x13a0
[ 41.042087][ T289] Free swap = 124996kB
[ 41.045169][ T101] ? copy_signal+0x5f0/0x5f0
[ 41.049510][ T289] Total swap = 124996kB
[ 41.049526][ T289] 2097051 pages RAM
[ 41.054129][ T101] ? __init_rwsem+0xfc/0x1d0
[ 41.054156][ T101] ? copy_signal+0x4cc/0x5f0
[ 41.054175][ T101] copy_process+0x1184/0x3280
[ 41.072443][ T289] 0 pages HighMem/MovableOnly
[ 41.077341][ T101] ? _raw_spin_unlock_bh+0x51/0x60
[ 41.087895][ T101] ? __pidfd_prepare+0x150/0x150
[ 41.092121][ T289] 342338 pages reserved
[ 41.092883][ T101] ? selinux_socket_setsockopt+0x282/0x360
[ 41.097149][ T289] 0 pages cma reserved
[ 41.107351][ T101] kernel_clone+0x233/0x960
[ 41.112092][ T101] ? __kasan_check_write+0x14/0x20
[ 41.117233][ T101] ? _raw_spin_lock_irq+0x95/0xf0
[ 41.122308][ T101] ? create_io_thread+0x170/0x170
[ 41.127517][ T101] ? recalc_sigpending+0x1ac/0x230
[ 41.132758][ T101] __x64_sys_clone+0x198/0x210
[ 41.137554][ T101] ? __ia32_sys_vfork+0x130/0x130
[ 41.142781][ T101] ? fpregs_assert_state_consistent+0xb1/0xe0
[ 41.148961][ T101] x64_sys_call+0x41f/0x9a0
[ 41.153673][ T101] do_syscall_64+0x4c/0xa0
[ 41.158373][ T101] ? clear_bhb_loop+0x50/0xa0
[ 41.163257][ T101] ? clear_bhb_loop+0x50/0xa0
[ 41.168211][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 41.174116][ T101] RIP: 0033:0x7f0c76806636
[ 41.179378][ T101] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00
[ 41.199587][ T101] RSP: 002b:00007fffb0a52740 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[ 41.208121][ T101] RAX: ffffffffffffffda RBX: 00007fffb0a52748 RCX: 00007f0c76806636
[ 41.216130][ T101] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[ 41.224140][ T101] RBP: 0000558c82a032c0 R08: 0000000000000000 R09: 0000558c82c39020
[ 41.232659][ T101] R10: 00007f0c766ceb50 R11: 0000000000000246 R12: 00007fffb0a52b00
[ 41.240659][ T101] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 41.248777][ T101]
[ 41.251809][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 41.252975][ T139] FAULT_INJECTION: forcing a failure.
[ 41.252975][ T139] name failslab, interval 1, probability 1, space 0, times 83
[ 41.258611][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 41.281934][ T90] Call Trace:
[ 41.285329][ T90]
[ 41.288619][ T90] __dump_stack+0x21/0x30
[ 41.293235][ T90] dump_stack_lvl+0x110/0x170
[ 41.298236][ T90] ? show_regs_print_info+0x20/0x20
[ 41.303510][ T90] ? prandom_u32+0x24d/0x290
[ 41.308614][ T90] dump_stack+0x15/0x20
[ 41.313188][ T90] should_fail+0x3ab/0x500
[ 41.317864][ T90] __should_failslab+0xa4/0xe0
[ 41.323051][ T90] should_failslab+0x9/0x20
[ 41.327911][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 41.333089][ T90] ? __alloc_skb+0xe4/0x730
[ 41.338178][ T90] kmem_cache_alloc+0x44/0x260
[ 41.343455][ T90] __alloc_skb+0xe4/0x730
[ 41.348028][ T90] alloc_skb_with_frags+0xa8/0x620
[ 41.353487][ T90] ? memcpy+0x56/0x70
[ 41.357929][ T90] sock_alloc_send_pskb+0x87f/0x9a0
[ 41.363890][ T90] ? sock_kzfree_s+0x60/0x60
[ 41.368967][ T90] ? __kasan_check_write+0x14/0x20
[ 41.374173][ T90] ? _raw_spin_lock+0x94/0xf0
[ 41.378965][ T90] ? _raw_spin_trylock_bh+0x150/0x150
[ 41.384559][ T90] unix_dgram_sendmsg+0x6f3/0x19b0
[ 41.389883][ T90] ? unix_dgram_poll+0x6c0/0x6c0
[ 41.395227][ T90] ? security_socket_sendmsg+0x82/0xa0
[ 41.401082][ T90] __sys_sendto+0x46d/0x620
[ 41.406117][ T90] ? __ia32_sys_getpeername+0x90/0x90
[ 41.411871][ T90] ? __kasan_check_write+0x14/0x20
[ 41.417510][ T90] __x64_sys_sendto+0xe5/0x100
[ 41.422551][ T90] x64_sys_call+0x178/0x9a0
[ 41.427192][ T90] do_syscall_64+0x4c/0xa0
[ 41.431800][ T90] ? clear_bhb_loop+0x50/0xa0
[ 41.436684][ T90] ? clear_bhb_loop+0x50/0xa0
[ 41.441655][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 41.447807][ T90] RIP: 0033:0x7fbb713ab407
[ 41.452819][ T90] 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
[ 41.474470][ T90] RSP: 002b:00007fff55cf8af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 41.483696][ T90] RAX: ffffffffffffffda RBX: 00007fbb7125bc80 RCX: 00007fbb713ab407
[ 41.491916][ T90] RDX: 000000000000004d RSI: 00007fff55cf8c30 RDI: 0000000000000003
[ 41.500161][ T90] RBP: 00007fff55cf9060 R08: 0000000000000000 R09: 0000000000000000
[ 41.508299][ T90] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fff55cf9078
[ 41.516290][ T90] R13: 00007fff55cf8c30 R14: 0000000000000032 R15: 00007fff55cf8c30
[ 41.524279][ T90]
[ 41.527653][ T285] CPU: 1 PID: 285 Comm: syz-executor Not tainted syzkaller #0
[ 41.535289][ T285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 41.547253][ T90] FAULT_INJECTION: forcing a failure.
[ 41.547253][ T90] name failslab, interval 1, probability 1, space 0, times 81
[ 41.549208][ T285] Call Trace:
[ 41.549219][ T285]
[ 41.569231][ T285] __dump_stack+0x21/0x30
[ 41.573682][ T285] dump_stack_lvl+0x110/0x170
[ 41.578594][ T285] ? show_regs_print_info+0x20/0x20
[ 41.583902][ T285] ? prandom_u32+0x24d/0x290
[ 41.588790][ T285] dump_stack+0x15/0x20
[ 41.592965][ T285] should_fail+0x3ab/0x500
[ 41.597397][ T285] __should_failslab+0xa4/0xe0
[ 41.602395][ T285] should_failslab+0x9/0x20
[ 41.603127][ T101] udevd[101]: fork of child failed: Cannot allocate memory
[ 41.606943][ T285] slab_pre_alloc_hook+0x39/0xd0
[ 41.619293][ T285] kmem_cache_alloc_trace+0x48/0x270
[ 41.624930][ T285] ? __get_vm_area_node+0x11d/0x350
[ 41.630323][ T285] ? xt_find_target+0x238/0x250
[ 41.635213][ T285] __get_vm_area_node+0x11d/0x350
[ 41.640356][ T285] __vmalloc_node_range+0xe8/0xad0
[ 41.645481][ T285] ? xt_counters_alloc+0x44/0x50
[ 41.650499][ T285] ? xt_counters_alloc+0x44/0x50
[ 41.655452][ T285] vzalloc+0x78/0x90
[ 41.659851][ T285] ? xt_counters_alloc+0x44/0x50
[ 41.665067][ T285] xt_counters_alloc+0x44/0x50
[ 41.670140][ T285] __do_replace+0xa8/0x9f0
[ 41.674593][ T285] ? kvmalloc_node+0x23c/0x320
[ 41.679378][ T285] ? translate_compat_table+0x2110/0x2110
[ 41.685127][ T285] ? __kasan_check_write+0x14/0x20
[ 41.690555][ T285] ? copy_from_sockptr_offset+0x77/0x90
[ 41.696290][ T285] do_ip6t_set_ctl+0xa98/0xd80
[ 41.701191][ T285] ? xt_table_unlock+0x45/0x70
[ 41.706254][ T285] ? __asan_set_shadow_00+0xe/0x10
[ 41.711627][ T285] ? do_ip6t_get_ctl+0xea8/0x1120
[ 41.716687][ T285] ? ip6t_unregister_table_exit+0x230/0x230
[ 41.722639][ T285] ? __kasan_check_write+0x14/0x20
[ 41.727774][ T285] ? mutex_unlock+0x8f/0x230
[ 41.732385][ T285] ? __mutex_lock_slowpath+0x10/0x10
[ 41.737987][ T285] ? _raw_spin_lock_bh+0x94/0xf0
[ 41.742939][ T285] ? _raw_spin_lock_irq+0xf0/0xf0
[ 41.747986][ T285] nf_setsockopt+0x272/0x2a0
[ 41.752861][ T285] ipv6_setsockopt+0x258f/0x3750
[ 41.757910][ T285] ? ipv6_update_options+0x410/0x410
[ 41.763303][ T285] ? nf_getsockopt+0x287/0x290
[ 41.768083][ T285] ? __asan_set_shadow_00+0xe/0x10
[ 41.773562][ T285] ? ipv6_getsockopt+0xfd4/0x21d0
[ 41.778603][ T285] ? is_bpf_text_address+0x177/0x190
[ 41.783997][ T285] ? ipv6_setsockopt+0x3750/0x3750
[ 41.789270][ T285] ? unwind_get_return_address+0x4d/0x90
[ 41.795082][ T285] ? stack_trace_save+0xf0/0xf0
[ 41.799969][ T285] ? __kasan_check_write+0x14/0x20
[ 41.805129][ T285] ? ptep_set_access_flags+0x64/0xb0
[ 41.810435][ T285] ? _raw_spin_unlock+0x4d/0x70
[ 41.815487][ T285] ? wp_page_reuse+0xf3/0x110
[ 41.820275][ T285] ? do_wp_page+0x8e2/0xc90
[ 41.824908][ T285] ? handle_pte_fault+0x824/0x2770
[ 41.830044][ T285] ? __kasan_slab_alloc+0xb7/0xe0
[ 41.835124][ T285] ? kmem_cache_alloc+0xf7/0x260
[ 41.840414][ T285] ? security_file_alloc+0x33/0x120
[ 41.845807][ T285] ? avc_has_perm_noaudit+0x390/0x490
[ 41.851209][ T285] ? memcpy+0x56/0x70
[ 41.855727][ T285] ? avc_has_perm_noaudit+0x30a/0x490
[ 41.861544][ T285] ? avc_denied+0x1b0/0x1b0
[ 41.866272][ T285] ? avc_has_perm+0x163/0x250
[ 41.871595][ T285] ? avc_has_perm_noaudit+0x490/0x490
[ 41.877546][ T285] tcp_setsockopt+0x22b/0x1e90
[ 41.882440][ T285] ? selinux_socket_setsockopt+0x282/0x360
[ 41.888362][ T285] ? tcp_set_window_clamp+0x1b0/0x1b0
[ 41.893789][ T285] ? do_user_addr_fault+0x9e5/0x11c0
[ 41.899223][ T285] sock_common_setsockopt+0xa0/0xb0
[ 41.904967][ T285] ? sock_common_recvmsg+0x1c0/0x1c0
[ 41.911275][ T285] __sys_setsockopt+0x2e9/0x470
[ 41.916985][ T285] ? __ia32_sys_recv+0xb0/0xb0
[ 41.922133][ T285] __x64_sys_setsockopt+0xbf/0xd0
[ 41.927178][ T285] x64_sys_call+0x982/0x9a0
[ 41.931698][ T285] do_syscall_64+0x4c/0xa0
[ 41.936234][ T285] ? clear_bhb_loop+0x50/0xa0
[ 41.941377][ T285] ? clear_bhb_loop+0x50/0xa0
[ 41.946084][ T285] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 41.952022][ T285] RIP: 0033:0x7f1afe51d7da
[ 41.957147][ T285] Code: 48 83 ec 10 48 63 c9 48 63 ff 45 89 c9 6a 2c e8 6c 99 fb ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 49 89 ca b8 36 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
[ 41.977724][ T285] RSP: 002b:00007ffd40789158 EFLAGS: 00000202 ORIG_RAX: 0000000000000036
[ 41.986257][ T285] RAX: ffffffffffffffda RBX: 00007ffd407891e0 RCX: 00007f1afe51d7da
[ 41.994338][ T285] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003
[ 42.002354][ T285] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000000000
[ 42.010443][ T285] R10: 00007f1afe76ae60 R11: 0000000000000202 R12: 00007f1afe76ae00
[ 42.020344][ T285] R13: 00007ffd4078917c R14: 0000000000000000 R15: 00007f1afe76cfc0
[ 42.028448][ T285]
[ 42.031481][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0
[ 42.038313][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 42.048480][ T90] Call Trace:
[ 42.051777][ T90]
[ 42.054726][ T90] __dump_stack+0x21/0x30
[ 42.059376][ T90] dump_stack_lvl+0x110/0x170
[ 42.064430][ T90] ? show_regs_print_info+0x20/0x20
[ 42.069645][ T90] ? prandom_u32+0x24d/0x290
[ 42.074246][ T90] dump_stack+0x15/0x20
[ 42.078413][ T90] should_fail+0x3ab/0x500
[ 42.082844][ T90] __should_failslab+0xa4/0xe0
[ 42.087632][ T90] should_failslab+0x9/0x20
[ 42.092411][ T90] slab_pre_alloc_hook+0x39/0xd0
[ 42.097450][ T90] kmem_cache_alloc_trace+0x48/0x270
[ 42.102836][ T90] ? syslog_print+0x12e/0x8d0
[ 42.107552][ T90] syslog_print+0x12e/0x8d0
[ 42.112417][ T90] ? avc_denied+0x1b0/0x1b0
[ 42.117371][ T90] ? do_syslog+0x7e0/0x7e0
[ 42.121979][ T90] ? avc_has_perm_noaudit+0x490/0x490
[ 42.127363][ T90] ? cap_capable+0x1a6/0x230
[ 42.131970][ T90] do_syslog+0x71a/0x7e0
[ 42.136222][ T90] ? devkmsg_release+0x130/0x130
[ 42.141260][ T90] ? __kasan_check_write+0x14/0x20
[ 42.146578][ T90] ? switch_fpu_return+0x15d/0x2c0
[ 42.151962][ T90] __x64_sys_syslog+0x7c/0x90
[ 42.157203][ T90] x64_sys_call+0x728/0x9a0
[ 42.161916][ T90] do_syscall_64+0x4c/0xa0
[ 42.166461][ T90] ? clear_bhb_loop+0x50/0xa0
[ 42.171276][ T90] ? clear_bhb_loop+0x50/0xa0
[ 42.176252][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 42.182263][ T90] RIP: 0033:0x7fbb71425a37
[ 42.187080][ T90] Code: 73 01 c3 48 8b 0d c1 f3 0c 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 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 91 f3 0c 00 f7 d8 64 89 01 48
[ 42.207103][ T90] RSP: 002b:00007fff55cf9148 EFLAGS: 00000206 ORIG_RAX: 0000000000000067
[ 42.217440][ T90] RAX: ffffffffffffffda RBX: 00007fbb715c5490 RCX: 00007fbb71425a37
[ 42.225464][ T90] RDX: 00000000000003ff RSI: 00007fbb715c5490 RDI: 0000000000000002
[ 42.233481][ T90] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 42.242139][ T90] R10: 0000000000004000 R11: 0000000000000206 R12: 00007fbb715c5490
[ 42.250245][ T90] R13: 00007fbb715a2dfe R14: 00007fbb715c5878 R15: 00007fbb715c5878
[ 42.258395][ T90]
[ 42.261615][ T139] CPU: 0 PID: 139 Comm: dhcpcd Not tainted syzkaller #0
[ 42.261809][ T291] FAULT_INJECTION: forcing a failure.
[ 42.261809][ T291] name failslab, interval 1, probability 1, space 0, times 79
[ 42.268580][ T139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 42.268594][ T139] Call Trace:
[ 42.268600][ T139]
[ 42.268607][ T139] __dump_stack+0x21/0x30
[ 42.268630][ T139] dump_stack_lvl+0x110/0x170
[ 42.268648][ T139] ? show_regs_print_info+0x20/0x20
[ 42.314029][ T139] ? prandom_u32+0x24d/0x290
[ 42.319324][ T139] dump_stack+0x15/0x20
[ 42.323788][ T139] should_fail+0x3ab/0x500
[ 42.328267][ T139] __should_failslab+0xa4/0xe0
[ 42.333447][ T139] should_failslab+0x9/0x20
[ 42.338372][ T139] slab_pre_alloc_hook+0x39/0xd0
[ 42.343389][ T139] ? __alloc_skb+0xe4/0x730
[ 42.348105][ T139] kmem_cache_alloc+0x44/0x260
[ 42.353030][ T139] ? _raw_spin_lock+0xf0/0xf0
[ 42.357832][ T139] __alloc_skb+0xe4/0x730
[ 42.362272][ T139] alloc_skb_with_frags+0xa8/0x620
[ 42.367397][ T139] ? __kasan_check_write+0x14/0x20
[ 42.372550][ T139] ? fput_many+0x15a/0x1a0
[ 42.376979][ T139] ? avc_has_perm_noaudit+0x390/0x490
[ 42.382367][ T139] sock_alloc_send_pskb+0x87f/0x9a0
[ 42.387583][ T139] ? __asan_set_shadow_00+0xe/0x10
[ 42.392928][ T139] ? avc_denied+0x1b0/0x1b0
[ 42.397465][ T139] ? sock_kzfree_s+0x60/0x60
[ 42.402154][ T139] ? __kasan_check_write+0x14/0x20
[ 42.407365][ T139] ? _raw_spin_lock+0x94/0xf0
[ 42.412363][ T139] ? _raw_spin_trylock_bh+0x150/0x150
[ 42.418089][ T139] ? avc_has_perm+0x163/0x250
[ 42.422887][ T139] unix_dgram_sendmsg+0x6f3/0x19b0
[ 42.428262][ T139] ? selinux_socket_sendmsg+0x22f/0x340
[ 42.433977][ T139] ? selinux_socket_accept+0x570/0x570
[ 42.439485][ T139] ? unix_dgram_poll+0x6c0/0x6c0
[ 42.445066][ T139] unix_seqpacket_sendmsg+0x118/0x1e0
[ 42.450463][ T139] sock_write_iter+0x2a6/0x3a0
[ 42.456895][ T139] ? sock_read_iter+0x380/0x380
[ 42.462306][ T139] ? memset+0x35/0x40
[ 42.466852][ T139] ? iov_iter_init+0xbc/0x180
[ 42.471549][ T139] vfs_write+0x831/0xfd0
[ 42.475904][ T139] ? file_end_write+0x1b0/0x1b0
[ 42.481385][ T139] ? __secure_computing+0x290/0x290
[ 42.486721][ T139] ? set_user_sigmask+0x15d/0x1c0
[ 42.492112][ T139] ? __kasan_check_read+0x11/0x20
[ 42.497827][ T139] ? __fdget_pos+0x1f7/0x380
[ 42.502442][ T139] ksys_write+0x14a/0x260
[ 42.506792][ T139] ? __ia32_sys_read+0x90/0x90
[ 42.511741][ T139] ? __secure_computing+0xea/0x290
[ 42.516960][ T139] __x64_sys_write+0x7b/0x90
[ 42.521569][ T139] x64_sys_call+0x8ef/0x9a0
[ 42.526086][ T139] do_syscall_64+0x4c/0xa0
[ 42.530518][ T139] ? clear_bhb_loop+0x50/0xa0
[ 42.535204][ T139] ? clear_bhb_loop+0x50/0xa0
[ 42.540350][ T139] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 42.546374][ T139] RIP: 0033:0x7fe7c1e8a407
[ 42.550926][ T139] 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
[ 42.570678][ T139] RSP: 002b:00007ffd4fdef1b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 42.579666][ T139] RAX: ffffffffffffffda RBX: 00007fe7c1e00740 RCX: 00007fe7c1e8a407
[ 42.587833][ T139] RDX: 0000000000000048 RSI: 00007ffd4fdef210 RDI: 0000000000000005
[ 42.595911][ T139] RBP: 000055c7f82fda48 R08: 0000000000000000 R09: 0000000000000000
[ 42.603918][ T139] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd4fdef640
[ 42.612162][ T139] R13: 0000000000007c26 R14: 0000000000000001 R15: 0000000000000001
[ 42.620151][ T139]
[ 42.623249][ T291] CPU: 1 PID: 291 Comm: kworker/1:2 Not tainted syzkaller #0
[ 42.630826][ T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 42.640931][ T291] Workqueue: ipv6_addrconf addrconf_dad_work
[ 42.646960][ T291] Call Trace:
[ 42.650279][ T291]
[ 42.653431][ T291] __dump_stack+0x21/0x30
[ 42.657881][ T291] dump_stack_lvl+0x110/0x170
[ 42.662585][ T291] ? show_regs_print_info+0x20/0x20
[ 42.667793][ T291] ? prandom_u32+0x24d/0x290
[ 42.672403][ T291] dump_stack+0x15/0x20
[ 42.676573][ T291] should_fail+0x3ab/0x500
[ 42.681002][ T291] __should_failslab+0xa4/0xe0
[ 42.685795][ T291] should_failslab+0x9/0x20
[ 42.690415][ T291] slab_pre_alloc_hook+0x39/0xd0
[ 42.695805][ T291] kmem_cache_alloc_trace+0x48/0x270
[ 42.701114][ T291] ? dst_cow_metrics_generic+0x55/0x1c0
[ 42.706679][ T291] dst_cow_metrics_generic+0x55/0x1c0
[ 42.712069][ T291] icmp6_dst_alloc+0x35f/0x520
[ 42.716858][ T291] ndisc_send_skb+0x2a9/0xcf0
[ 42.721571][ T291] ? ndisc_alloc_skb+0x290/0x290
[ 42.726523][ T291] ? skb_put+0x10a/0x1f0
[ 42.730777][ T291] ndisc_send_rs+0x711/0x960
[ 42.735385][ T291] addrconf_dad_completed+0x936/0xe20
[ 42.740860][ T291] ? addrconf_dad_stop+0x440/0x440
[ 42.746505][ T291] ? mod_delayed_work_on+0xa8/0xe0
[ 42.751828][ T291] addrconf_dad_work+0xc4c/0x1510
[ 42.757070][ T291] ? __vunmap+0x8ef/0x980
[ 42.761419][ T291] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 42.766893][ T291] ? __kasan_check_write+0x14/0x20
[ 42.772210][ T291] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 42.778121][ T291] process_one_work+0x6c8/0xbb0
[ 42.782990][ T291] worker_thread+0xaa0/0x1250
[ 42.787690][ T291] kthread+0x3f5/0x4f0
[ 42.791774][ T291] ? worker_clr_flags+0x190/0x190
[ 42.796956][ T291] ? kthread_blkcg+0xd0/0xd0
[ 42.801587][ T291] ret_from_fork+0x1f/0x30
[ 42.806398][ T291]
[ 42.810754][ T288] FAULT_INJECTION: forcing a failure.
[ 42.810754][ T288] name failslab, interval 1, probability 1, space 0, times 75
[ 42.824206][ T288] CPU: 0 PID: 288 Comm: syz-executor Not tainted syzkaller #0
[ 42.831704][ T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 42.842233][ T288] Call Trace:
[ 42.845607][ T288]
[ 42.848649][ T288] __dump_stack+0x21/0x30
[ 42.853870][ T288] dump_stack_lvl+0x110/0x170
[ 42.860258][ T288] ? show_regs_print_info+0x20/0x20
[ 42.865736][ T288] dump_stack+0x15/0x20
[ 42.870052][ T288] should_fail+0x3ab/0x500
[ 42.874509][ T288] __should_failslab+0xa4/0xe0
[ 42.879282][ T288] should_failslab+0x9/0x20
[ 42.883788][ T288] slab_pre_alloc_hook+0x39/0xd0
[ 42.888741][ T288] ? __alloc_skb+0xe4/0x730
[ 42.893267][ T288] kmem_cache_alloc+0x44/0x260
[ 42.898488][ T288] __alloc_skb+0xe4/0x730
[ 42.902817][ T288] netlink_ack+0x35c/0xb10
[ 42.907249][ T288] ? selinux_nlmsg_lookup+0x38f/0x440
[ 42.912985][ T288] ? netlink_dump+0xd80/0xd80
[ 42.918755][ T288] netlink_rcv_skb+0x267/0x430
[ 42.925163][ T288] ? rtnetlink_bind+0x80/0x80
[ 42.929908][ T288] ? netlink_ack+0xb10/0xb10
[ 42.936078][ T288] ? _copy_from_iter+0x4a4/0x10a0
[ 42.941438][ T288] ? __netlink_lookup+0x387/0x3b0
[ 42.946934][ T288] rtnetlink_rcv+0x1c/0x20
[ 42.951990][ T288] netlink_unicast+0x86c/0xa30
[ 42.956826][ T288] netlink_sendmsg+0x879/0xb80
[ 42.961870][ T288] ? netlink_getsockopt+0x530/0x530
[ 42.968151][ T288] ? security_socket_sendmsg+0x82/0xa0
[ 42.973770][ T288] __sys_sendto+0x46d/0x620
[ 42.978308][ T288] ? __ia32_sys_getpeername+0x90/0x90
[ 42.983694][ T288] ? __fput+0x67c/0x900
[ 42.987853][ T288] ? unlock_page_memcg+0x130/0x130
[ 42.993086][ T288] ? ____fput+0x15/0x20
[ 42.997314][ T288] __x64_sys_sendto+0xe5/0x100
[ 43.002099][ T288] x64_sys_call+0x178/0x9a0
[ 43.006630][ T288] do_syscall_64+0x4c/0xa0
[ 43.011073][ T288] ? clear_bhb_loop+0x50/0xa0
[ 43.015829][ T288] ? clear_bhb_loop+0x50/0xa0
[ 43.020509][ T288] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 43.026399][ T288] RIP: 0033:0x7fdbf9726117
[ 43.030988][ T288] 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
[ 43.051219][ T288] RSP: 002b:00007ffc5a023e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 43.060696][ T288] RAX: ffffffffffffffda RBX: 000055556e37b500 RCX: 00007fdbf9726117
[ 43.069471][ T288] RDX: 0000000000000040 RSI: 00007fdbfa521670 RDI: 0000000000000003
[ 43.077605][ T288] RBP: 0000000000000001 R08: 00007ffc5a023ee4 R09: 000000000000000c
[ 43.085602][ T288] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 43.094575][ T288] R13: 0000000000000000 R14: 00007fdbfa521670 R15: 0000000000000000
[ 43.102994][ T288]
[ 43.106408][ T285] FAULT_INJECTION: forcing a failure.
[ 43.106408][ T285] name failslab, interval 1, probability 1, space 0, times 75
[ 43.120224][ T285] CPU: 1 PID: 285 Comm: syz-executor Not tainted syzkaller #0
[ 43.127870][ T285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 43.138131][ T285] Call Trace:
[ 43.141418][ T285]
[ 43.144361][ T285] __dump_stack+0x21/0x30
[ 43.148701][ T285] dump_stack_lvl+0x110/0x170
[ 43.153471][ T285] ? show_regs_print_info+0x20/0x20
[ 43.158896][ T285] dump_stack+0x15/0x20
[ 43.163056][ T285] should_fail+0x3ab/0x500
[ 43.167587][ T285] ? netlink_trim+0x193/0x230
[ 43.172299][ T285] __should_failslab+0xa4/0xe0
[ 43.177496][ T285] should_failslab+0x9/0x20
[ 43.182249][ T285] slab_pre_alloc_hook+0x39/0xd0
[ 43.187458][ T285] ? netlink_trim+0x193/0x230
[ 43.192231][ T285] ? netlink_trim+0x193/0x230
[ 43.197358][ T285] __kmalloc_track_caller+0x6c/0x2c0
[ 43.202855][ T285] ? netlink_trim+0x193/0x230
[ 43.207553][ T285] ? netlink_trim+0x193/0x230
[ 43.212240][ T285] pskb_expand_head+0x123/0x1280
[ 43.217179][ T285] netlink_trim+0x193/0x230
[ 43.221694][ T285] netlink_broadcast_filtered+0x75/0x1280
[ 43.227510][ T285] ? rtmsg_ifinfo_build_skb+0xd3/0x180
[ 43.232981][ T285] nlmsg_notify+0xe9/0x1a0
[ 43.237405][ T285] rtmsg_ifinfo+0xea/0x130
[ 43.241833][ T285] dev_close_many+0x26b/0x4d0
[ 43.246511][ T285] ? __dev_open+0x500/0x500
[ 43.251023][ T285] ? __kasan_check_read+0x11/0x20
[ 43.256047][ T285] unregister_netdevice_many+0x477/0x1a00
[ 43.261787][ T285] ? __queue_work+0x903/0xc60
[ 43.266661][ T285] ? alloc_netdev_mqs+0xe20/0xe20
[ 43.271800][ T285] ? __queue_delayed_work+0x188/0x200
[ 43.277371][ T285] ? __kasan_check_read+0x11/0x20
[ 43.282410][ T285] unregister_netdevice_queue+0x2e1/0x320
[ 43.288370][ T285] ? __kasan_check_read+0x11/0x20
[ 43.293509][ T285] ? linkwatch_urgent_event+0x34d/0x460
[ 43.299370][ T285] ? list_netdevice+0x4c0/0x4c0
[ 43.305004][ T285] __tun_detach+0xc9d/0x1450
[ 43.309830][ T285] tun_chr_close+0x92/0x140
[ 43.314633][ T285] ? tun_chr_open+0x540/0x540
[ 43.319521][ T285] __fput+0x22b/0x900
[ 43.323515][ T285] ____fput+0x15/0x20
[ 43.327784][ T285] task_work_run+0x127/0x190
[ 43.332388][ T285] do_exit+0xb70/0x29a0
[ 43.336658][ T285] ? put_task_struct+0x90/0x90
[ 43.341518][ T285] ? __fdget_pos+0x1f7/0x380
[ 43.346120][ T285] ? ksys_write+0x1eb/0x260
[ 43.350744][ T285] ? __ia32_sys_read+0x90/0x90
[ 43.356085][ T285] do_group_exit+0x149/0x310
[ 43.360889][ T285] __x64_sys_exit_group+0x3f/0x40
[ 43.366040][ T285] x64_sys_call+0x832/0x9a0
[ 43.370736][ T285] do_syscall_64+0x4c/0xa0
[ 43.375168][ T285] ? clear_bhb_loop+0x50/0xa0
[ 43.380213][ T285] ? clear_bhb_loop+0x50/0xa0
[ 43.385016][ T285] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 43.391238][ T285] RIP: 0033:0x7f1afe51bf99
[ 43.395695][ T285] Code: Unable to access opcode bytes at RIP 0x7f1afe51bf6f.
[ 43.403073][ T285] RSP: 002b:00007ffd40789048 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 43.412112][ T285] RAX: ffffffffffffffda RBX: 00007f1afe5b2e6b RCX: 00007f1afe51bf99
[ 43.420356][ T285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
[ 43.428973][ T285] RBP: 00007f1afe587d20 R08: 0000000000000000 R09: 00007ffd4078917c
[ 43.438091][ T285] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c
[ 43.446164][ T285] R13: 00007ffd4078917c R14: 0000000000000000 R15: 00007f1afe76cfc0
[ 43.454243][ T285]
[ 43.458315][ T285] FAULT_INJECTION: forcing a failure.
[ 43.458315][ T285] name failslab, interval 1, probability 1, space 0, times 73
[ 43.471073][ T285] CPU: 0 PID: 285 Comm: syz-executor Not tainted syzkaller #0
[ 43.478671][ T285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 43.488749][ T285] Call Trace:
[ 43.492050][ T285]
[ 43.494997][ T285] __dump_stack+0x21/0x30
[ 43.499348][ T285] dump_stack_lvl+0x110/0x170
[ 43.504071][ T285] ? show_regs_print_info+0x20/0x20
[ 43.509560][ T285] ? prandom_u32+0x24d/0x290
[ 43.514433][ T285] dump_stack+0x15/0x20
[ 43.518607][ T285] should_fail+0x3ab/0x500
[ 43.523035][ T285] ? inet6_rt_notify+0x293/0x480
[ 43.528192][ T285] __should_failslab+0xa4/0xe0
[ 43.533060][ T285] should_failslab+0x9/0x20
[ 43.537604][ T285] slab_pre_alloc_hook+0x39/0xd0
[ 43.542880][ T285] ? inet6_rt_notify+0x293/0x480
[ 43.548411][ T285] ? inet6_rt_notify+0x293/0x480
[ 43.553526][ T285] __kmalloc_track_caller+0x6c/0x2c0
[ 43.558858][ T285] ? inet6_rt_notify+0x293/0x480
[ 43.563825][ T285] ? inet6_rt_notify+0x293/0x480
[ 43.568780][ T285] __alloc_skb+0x210/0x730
[ 43.573219][ T285] inet6_rt_notify+0x293/0x480
[ 43.578002][ T285] ? rt6_nh_dump_exceptions+0x6b0/0x6b0
[ 43.583565][ T285] ? call_fib_notifiers+0xa0/0xc0
[ 43.588610][ T285] fib6_del+0xb9e/0xf00
[ 43.592793][ T285] ? fib6_locate+0x520/0x520
[ 43.597516][ T285] ? fib6_ifdown+0x2e8/0x4e0
[ 43.602121][ T285] fib6_clean_node+0x2a1/0x540
[ 43.607010][ T285] ? node_free_rcu+0x30/0x30
[ 43.611708][ T285] ? sched_group_set_idle+0x600/0x600
[ 43.617186][ T285] fib6_walk_continue+0x54b/0x740
[ 43.622226][ T285] fib6_walk+0x153/0x290
[ 43.626751][ T285] fib6_clean_all+0x1a1/0x270
[ 43.632023][ T285] ? kvm_sched_clock_read+0x18/0x40
[ 43.637249][ T285] ? rt6_sync_down_dev+0x140/0x140
[ 43.642380][ T285] ? fib6_del+0xf00/0xf00
[ 43.646718][ T285] ? node_free_rcu+0x30/0x30
[ 43.651937][ T285] ? rt6_sync_down_dev+0x140/0x140
[ 43.657239][ T285] ? try_to_wake_up+0x610/0x1150
[ 43.662195][ T285] rt6_disable_ip+0x115/0x730
[ 43.666887][ T285] ? __queue_work+0x903/0xc60
[ 43.671606][ T285] ? fib6_ifdown+0x4e0/0x4e0
[ 43.676650][ T285] ? __kasan_check_read+0x11/0x20
[ 43.681865][ T285] addrconf_ifdown+0x144/0x1910
[ 43.686734][ T285] ? nf_nat_masq_schedule+0x22d/0x4d0
[ 43.692127][ T285] ? addrconf_cleanup+0x1c0/0x1c0
[ 43.697192][ T285] ? __kasan_check_write+0x14/0x20
[ 43.702316][ T285] ? mutex_unlock+0x8f/0x230
[ 43.707095][ T285] ? __mutex_lock_slowpath+0x10/0x10
[ 43.712414][ T285] ? nf_nat_masq_schedule+0x4d0/0x4d0
[ 43.717816][ T285] ? masq_device_event+0xd0/0xd0
[ 43.722853][ T285] addrconf_notify+0x3bd/0xe00
[ 43.727722][ T285] raw_notifier_call_chain+0x90/0x100
[ 43.733118][ T285] dev_close_many+0x325/0x4d0
[ 43.737831][ T285] ? __dev_open+0x500/0x500
[ 43.742358][ T285] ? __kasan_check_read+0x11/0x20
[ 43.747678][ T285] unregister_netdevice_many+0x477/0x1a00
[ 43.753518][ T285] ? __queue_work+0x903/0xc60
[ 43.758217][ T285] ? alloc_netdev_mqs+0xe20/0xe20
[ 43.763354][ T285] ? __queue_delayed_work+0x188/0x200
[ 43.768845][ T285] ? __kasan_check_read+0x11/0x20
[ 43.773890][ T285] unregister_netdevice_queue+0x2e1/0x320
[ 43.779797][ T285] ? __kasan_check_read+0x11/0x20
[ 43.784930][ T285] ? linkwatch_urgent_event+0x34d/0x460
[ 43.790491][ T285] ? list_netdevice+0x4c0/0x4c0
[ 43.795376][ T285] __tun_detach+0xc9d/0x1450
[ 43.800074][ T285] tun_chr_close+0x92/0x140
[ 43.804590][ T285] ? tun_chr_open+0x540/0x540
[ 43.809286][ T285] __fput+0x22b/0x900
[ 43.813319][ T285] ____fput+0x15/0x20
[ 43.817445][ T285] task_work_run+0x127/0x190
[ 43.822326][ T285] do_exit+0xb70/0x29a0
[ 43.827824][ T285] ? put_task_struct+0x90/0x90
[ 43.832628][ T285] ? __fdget_pos+0x1f7/0x380
[ 43.837239][ T285] ? ksys_write+0x1eb/0x260
[ 43.841755][ T285] ? __ia32_sys_read+0x90/0x90
[ 43.847410][ T285] do_group_exit+0x149/0x310
[ 43.852019][ T285] __x64_sys_exit_group+0x3f/0x40
[ 43.857057][ T285] x64_sys_call+0x832/0x9a0
[ 43.862008][ T285] do_syscall_64+0x4c/0xa0
[ 43.866456][ T285] ? clear_bhb_loop+0x50/0xa0
[ 43.871151][ T285] ? clear_bhb_loop+0x50/0xa0
[ 43.875864][ T285] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 43.881869][ T285] RIP: 0033:0x7f1afe51bf99
[ 43.886434][ T285] Code: Unable to access opcode bytes at RIP 0x7f1afe51bf6f.
[ 43.894109][ T285] RSP: 002b:00007ffd40789048 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 43.902596][ T285] RAX: ffffffffffffffda RBX: 00007f1afe5b2e6b RCX: 00007f1afe51bf99
[ 43.910587][ T285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
[ 43.919490][ T285] RBP: 00007f1afe587d20 R08: 0000000000000000 R09: 00007ffd4078917c
[ 43.927661][ T285] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c
[ 43.935666][ T285] R13: 00007ffd4078917c R14: 0000000000000000 R15: 00007f1afe76cfc0
[ 43.943986][ T285]
[ 43.949245][ T285] FAULT_INJECTION: forcing a failure.
[ 43.949245][ T285] name failslab, interval 1, probability 1, space 0, times 72
[ 43.962236][ T285] CPU: 0 PID: 285 Comm: syz-executor Not tainted syzkaller #0
[ 43.969711][ T285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 43.980000][ T285] Call Trace:
[ 43.983506][ T285]
[ 43.986469][ T285] __dump_stack+0x21/0x30
[ 43.990910][ T285] dump_stack_lvl+0x110/0x170
[ 43.995605][ T285] ? show_regs_print_info+0x20/0x20
[ 44.000812][ T285] dump_stack+0x15/0x20
[ 44.004966][ T285] should_fail+0x3ab/0x500
[ 44.009391][ T285] __should_failslab+0xa4/0xe0
[ 44.014300][ T285] should_failslab+0x9/0x20
[ 44.019927][ T285] slab_pre_alloc_hook+0x39/0xd0
[ 44.025251][ T285] ? __alloc_skb+0xe4/0x730
[ 44.030235][ T285] kmem_cache_alloc+0x44/0x260
[ 44.035294][ T285] ? br_get_link_af_size_filtered+0xdc/0x190
[ 44.041479][ T285] __alloc_skb+0xe4/0x730
[ 44.047157][ T285] rtmsg_ifinfo_build_skb+0x75/0x180
[ 44.053072][ T285] unregister_netdevice_many+0x10d7/0x1a00
[ 44.059023][ T285] ? alloc_netdev_mqs+0xe20/0xe20
[ 44.064072][ T285] ? __queue_delayed_work+0x188/0x200
[ 44.069483][ T285] ? __kasan_check_read+0x11/0x20
[ 44.074511][ T285] unregister_netdevice_queue+0x2e1/0x320
[ 44.080497][ T285] ? __kasan_check_read+0x11/0x20
[ 44.085715][ T285] ? linkwatch_urgent_event+0x34d/0x460
[ 44.091275][ T285] ? list_netdevice+0x4c0/0x4c0
[ 44.096235][ T285] __tun_detach+0xc9d/0x1450
[ 44.101060][ T285] tun_chr_close+0x92/0x140
[ 44.105669][ T285] ? tun_chr_open+0x540/0x540
[ 44.110662][ T285] __fput+0x22b/0x900
[ 44.114989][ T285] ____fput+0x15/0x20
[ 44.118996][ T285] task_work_run+0x127/0x190
[ 44.123780][ T285] do_exit+0xb70/0x29a0
[ 44.127953][ T285] ? put_task_struct+0x90/0x90
[ 44.132731][ T285] ? __fdget_pos+0x1f7/0x380
[ 44.137489][ T285] ? ksys_write+0x1eb/0x260
[ 44.142306][ T285] ? __ia32_sys_read+0x90/0x90
[ 44.147613][ T285] do_group_exit+0x149/0x310
[ 44.152310][ T285] __x64_sys_exit_group+0x3f/0x40
[ 44.157890][ T285] x64_sys_call+0x832/0x9a0
[ 44.162737][ T285] do_syscall_64+0x4c/0xa0
[ 44.167312][ T285] ? clear_bhb_loop+0x50/0xa0
[ 44.172703][ T285] ? clear_bhb_loop+0x50/0xa0
[ 44.178523][ T285] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 44.184573][ T285] RIP: 0033:0x7f1afe51bf99
[ 44.188996][ T285] Code: Unable to access opcode bytes at RIP 0x7f1afe51bf6f.
[ 44.196541][ T285] RSP: 002b:00007ffd40789048 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 44.205118][ T285] RAX: ffffffffffffffda RBX: 00007f1afe5b2e6b RCX: 00007f1afe51bf99
[ 44.213110][ T285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
[ 44.221367][ T285] RBP: 00007f1afe587d20 R08: 0000000000000000 R09: 00007ffd4078917c
[ 44.229370][ T285] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c
[ 44.237346][ T285] R13: 00007ffd4078917c R14: 0000000000000000 R15: 00007f1afe76cfc0
[ 44.245854][ T285]
[ 44.253476][ T289] FAULT_INJECTION: forcing a failure.
[ 44.253476][ T289] name failslab, interval 1, probability 1, space 0, times 71
[ 44.266228][ T289] CPU: 1 PID: 289 Comm: syz-executor Not tainted syzkaller #0
[ 44.273854][ T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 44.283924][ T289] Call Trace:
[ 44.287493][ T289]
[ 44.290451][ T289] __dump_stack+0x21/0x30
[ 44.295040][ T289] dump_stack_lvl+0x110/0x170
[ 44.299899][ T289] ? show_regs_print_info+0x20/0x20
[ 44.305139][ T289] ? prandom_u32+0x24d/0x290
[ 44.309742][ T289] dump_stack+0x15/0x20
[ 44.314001][ T289] should_fail+0x3ab/0x500
[ 44.318749][ T289] ? __neigh_notify+0x84/0x130
[ 44.324107][ T289] __should_failslab+0xa4/0xe0
[ 44.329284][ T289] should_failslab+0x9/0x20
[ 44.333802][ T289] slab_pre_alloc_hook+0x39/0xd0
[ 44.338775][ T289] ? __neigh_notify+0x84/0x130
[ 44.343775][ T289] ? __neigh_notify+0x84/0x130
[ 44.349448][ T289] __kmalloc_track_caller+0x6c/0x2c0
[ 44.355422][ T289] ? __neigh_notify+0x84/0x130
[ 44.360289][ T289] ? __neigh_notify+0x84/0x130
[ 44.365062][ T289] __alloc_skb+0x210/0x730
[ 44.369504][ T289] __neigh_notify+0x84/0x130
[ 44.374553][ T289] neigh_cleanup_and_release+0x2c/0x1a0
[ 44.380274][ T289] neigh_flush_dev+0x667/0x810
[ 44.385046][ T289] ? __kasan_check_write+0x14/0x20
[ 44.390163][ T289] __neigh_ifdown+0x3f/0x3a0
[ 44.395249][ T289] neigh_ifdown+0x1f/0x30
[ 44.399624][ T289] rt6_disable_ip+0x6a5/0x730
[ 44.404506][ T289] ? fib6_ifdown+0x4e0/0x4e0
[ 44.409220][ T289] ? __kasan_check_read+0x11/0x20
[ 44.414944][ T289] addrconf_ifdown+0x144/0x1910
[ 44.420202][ T289] ? nf_nat_masq_schedule+0x22d/0x4d0
[ 44.425619][ T289] ? addrconf_cleanup+0x1c0/0x1c0
[ 44.431094][ T289] ? __kasan_check_write+0x14/0x20
[ 44.436448][ T289] ? mutex_unlock+0x8f/0x230
[ 44.441233][ T289] ? __mutex_lock_slowpath+0x10/0x10
[ 44.447223][ T289] ? nf_nat_masq_schedule+0x4d0/0x4d0
[ 44.452884][ T289] ? masq_device_event+0xd0/0xd0
[ 44.459880][ T289] addrconf_notify+0x3bd/0xe00
[ 44.464896][ T289] raw_notifier_call_chain+0x90/0x100
[ 44.470788][ T289] dev_close_many+0x325/0x4d0
[ 44.475814][ T289] ? __dev_open+0x500/0x500
[ 44.480725][ T289] ? __kasan_check_read+0x11/0x20
[ 44.485860][ T289] unregister_netdevice_many+0x477/0x1a00
[ 44.491905][ T289] ? _raw_spin_lock+0xf0/0xf0
[ 44.497323][ T289] ? alloc_netdev_mqs+0xe20/0xe20
[ 44.502586][ T289] ? __kasan_check_read+0x11/0x20
[ 44.507942][ T289] unregister_netdevice_queue+0x2e1/0x320
[ 44.514020][ T289] ? __kasan_check_read+0x11/0x20
[ 44.519175][ T289] ? linkwatch_urgent_event+0x34d/0x460
[ 44.526573][ T289] ? list_netdevice+0x4c0/0x4c0
[ 44.531651][ T289] __tun_detach+0xc9d/0x1450
[ 44.536385][ T289] tun_chr_close+0x92/0x140
[ 44.540906][ T289] ? tun_chr_open+0x540/0x540
[ 44.545645][ T289] __fput+0x22b/0x900
[ 44.549904][ T289] ____fput+0x15/0x20
[ 44.553984][ T289] task_work_run+0x127/0x190
[ 44.558587][ T289] do_exit+0xb70/0x29a0
[ 44.562767][ T289] ? put_task_struct+0x90/0x90
[ 44.567555][ T289] ? __fdget_pos+0x1f7/0x380
[ 44.572378][ T289] ? ksys_write+0x1eb/0x260
[ 44.576907][ T289] do_group_exit+0x149/0x310
[ 44.581696][ T289] __x64_sys_exit_group+0x3f/0x40
[ 44.586845][ T289] x64_sys_call+0x832/0x9a0
[ 44.591630][ T289] do_syscall_64+0x4c/0xa0
[ 44.596061][ T289] ? clear_bhb_loop+0x50/0xa0
[ 44.600774][ T289] ? clear_bhb_loop+0x50/0xa0
[ 44.605609][ T289] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 44.611527][ T289] RIP: 0033:0x7f44b952cf99
[ 44.616315][ T289] Code: Unable to access opcode bytes at RIP 0x7f44b952cf6f.
[ 44.624139][ T289] RSP: 002b:00007ffdc626ba98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 44.632729][ T289] RAX: ffffffffffffffda RBX: 00007f44b95c3e6b RCX: 00007f44b952cf99
[ 44.639880][ T101] FAULT_INJECTION: forcing a failure.
[ 44.639880][ T101] name failslab, interval 1, probability 1, space 0, times 71
[ 44.641830][ T289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
[ 44.664396][ T289] RBP: 00007f44b9598d20 R08: 0000000000000000 R09: 00007ffdc626bbcc
[ 44.672391][ T289] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c
[ 44.681176][ T289] R13: 00007ffdc626bbcc R14: 0000000000000000 R15: 00007f44b9780180
[ 44.689566][ T289]
[ 44.692624][ T101] CPU: 0 PID: 101 Comm: udevd Not tainted syzkaller #0
[ 44.700716][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 44.711391][ T101] Call Trace:
[ 44.714713][ T101]
[ 44.718575][ T101] __dump_stack+0x21/0x30
[ 44.722996][ T101] dump_stack_lvl+0x110/0x170
[ 44.727897][ T101] ? show_regs_print_info+0x20/0x20
[ 44.733314][ T101] ? prandom_u32+0x24d/0x290
[ 44.738475][ T101] dump_stack+0x15/0x20
[ 44.743612][ T101] should_fail+0x3ab/0x500
[ 44.748185][ T101] __should_failslab+0xa4/0xe0
[ 44.752975][ T101] should_failslab+0x9/0x20
[ 44.757933][ T101] slab_pre_alloc_hook+0x39/0xd0
[ 44.762899][ T101] ? anon_vma_fork+0x1ff/0x520
[ 44.767937][ T101] kmem_cache_alloc+0x44/0x260
[ 44.772856][ T101] anon_vma_fork+0x1ff/0x520
[ 44.777469][ T101] copy_mm+0x9f9/0x13a0
[ 44.781732][ T101] ? copy_signal+0x5f0/0x5f0
[ 44.786394][ T101] ? __init_rwsem+0xfc/0x1d0
[ 44.791019][ T101] ? copy_signal+0x4cc/0x5f0
[ 44.795651][ T101] copy_process+0x1184/0x3280
[ 44.800499][ T101] ? _raw_spin_unlock_bh+0x51/0x60
[ 44.805747][ T101] ? __pidfd_prepare+0x150/0x150
[ 44.810731][ T101] ? selinux_socket_setsockopt+0x282/0x360
[ 44.816783][ T101] kernel_clone+0x233/0x960
[ 44.821333][ T101] ? __kasan_check_write+0x14/0x20
[ 44.826477][ T101] ? _raw_spin_lock_irq+0x95/0xf0
[ 44.831527][ T101] ? create_io_thread+0x170/0x170
[ 44.836575][ T101] ? recalc_sigpending+0x1ac/0x230
[ 44.841832][ T101] __x64_sys_clone+0x198/0x210
[ 44.846633][ T101] ? __ia32_sys_vfork+0x130/0x130
[ 44.851676][ T101] ? fpregs_assert_state_consistent+0xb1/0xe0
[ 44.857847][ T101] x64_sys_call+0x41f/0x9a0
[ 44.862383][ T101] do_syscall_64+0x4c/0xa0
[ 44.866822][ T101] ? clear_bhb_loop+0x50/0xa0
[ 44.871520][ T101] ? clear_bhb_loop+0x50/0xa0
[ 44.876210][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 44.882113][ T101] RIP: 0033:0x7f0c76806636
[ 44.886784][ T101] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00
[ 44.906512][ T101] RSP: 002b:00007fffb0a52740 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[ 44.915647][ T101] RAX: ffffffffffffffda RBX: 00007fffb0a52748 RCX: 00007f0c76806636
[ 44.926940][ T101] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[ 44.935031][ T101] RBP: 0000558c82a032c0 R08: 0000000000000000 R09: 0000558c82c39020
[ 44.943384][ T101] R10: 00007f0c766ceb50 R11: 0000000000000246 R12: 00007fffb0a52b00
[ 44.951589][ T101] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 44.959689][ T101]
[ 44.964460][ T101] udevd[101]: fork of child failed: Cannot allocate memory
[ 44.973214][ T289] FAULT_INJECTION: forcing a failure.
[ 44.973214][ T289] name failslab, interval 1, probability 1, space 0, times 69
[ 44.988019][ T289] CPU: 0 PID: 289 Comm: syz-executor Not tainted syzkaller #0
[ 44.995692][ T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 45.005847][ T289] Call Trace:
[ 45.009712][ T289]
[ 45.013586][ T289] __dump_stack+0x21/0x30
[ 45.018285][ T289] dump_stack_lvl+0x110/0x170
[ 45.023640][ T289] ? show_regs_print_info+0x20/0x20
[ 45.029449][ T289] dump_stack+0x15/0x20
[ 45.034443][ T289] should_fail+0x3ab/0x500
[ 45.038878][ T289] __should_failslab+0xa4/0xe0
[ 45.043668][ T289] should_failslab+0x9/0x20
[ 45.048202][ T289] slab_pre_alloc_hook+0x39/0xd0
[ 45.053253][ T289] ? __alloc_skb+0xe4/0x730
[ 45.057779][ T289] kmem_cache_alloc+0x44/0x260
[ 45.062770][ T289] ? br_get_link_af_size_filtered+0xdc/0x190
[ 45.069375][ T289] __alloc_skb+0xe4/0x730
[ 45.074624][ T289] rtmsg_ifinfo_build_skb+0x75/0x180
[ 45.079929][ T289] unregister_netdevice_many+0x10d7/0x1a00
[ 45.085872][ T289] ? alloc_netdev_mqs+0xe20/0xe20
[ 45.091460][ T289] ? __kasan_check_read+0x11/0x20
[ 45.096754][ T289] unregister_netdevice_queue+0x2e1/0x320
[ 45.103229][ T289] ? __kasan_check_read+0x11/0x20
[ 45.108311][ T289] ? linkwatch_urgent_event+0x34d/0x460
[ 45.116695][ T289] ? list_netdevice+0x4c0/0x4c0
[ 45.122475][ T289] __tun_detach+0xc9d/0x1450
[ 45.127491][ T289] tun_chr_close+0x92/0x140
[ 45.132848][ T289] ? tun_chr_open+0x540/0x540
[ 45.139828][ T289] __fput+0x22b/0x900
[ 45.144723][ T289] ____fput+0x15/0x20
[ 45.150879][ T289] task_work_run+0x127/0x190
[ 45.156404][ T289] do_exit+0xb70/0x29a0
[ 45.161908][ T289] ? put_task_struct+0x90/0x90
[ 45.167302][ T289] ? __fdget_pos+0x1f7/0x380
[ 45.172082][ T289] ? ksys_write+0x1eb/0x260
[ 45.178093][ T289] do_group_exit+0x149/0x310
[ 45.183548][ T289] __x64_sys_exit_group+0x3f/0x40
[ 45.190574][ T289] x64_sys_call+0x832/0x9a0
[ 45.195839][ T289] do_syscall_64+0x4c/0xa0
[ 45.201817][ T289] ? clear_bhb_loop+0x50/0xa0
[ 45.206911][ T289] ? clear_bhb_loop+0x50/0xa0
[ 45.211806][ T289] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 45.218706][ T289] RIP: 0033:0x7f44b952cf99
[ 45.223330][ T289] Code: Unable to access opcode bytes at RIP 0x7f44b952cf6f.
[ 45.232672][ T289] RSP: 002b:00007ffdc626ba98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 45.241432][ T289] RAX: ffffffffffffffda RBX: 00007f44b95c3e6b RCX: 00007f44b952cf99
[ 45.249437][ T289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
[ 45.261339][ T289] RBP: 00007f44b9598d20 R08: 0000000000000000 R09: 00007ffdc626bbcc
[ 45.269443][ T289] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c
[ 45.277804][ T289] R13: 00007ffdc626bbcc R14: 0000000000000000 R15: 00007f44b9780180
[ 45.285800][ T289]
[ 45.295518][ T288] FAULT_INJECTION: forcing a failure.
[ 45.295518][ T288] name failslab, interval 1, probability 1, space 0, times 68
[ 45.311111][ T288] CPU: 1 PID: 288 Comm: syz-executor Not tainted syzkaller #0
[ 45.319496][ T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 45.330813][ T288] Call Trace:
[ 45.334116][ T288]
[ 45.337244][ T288] __dump_stack+0x21/0x30
[ 45.341719][ T288] dump_stack_lvl+0x110/0x170
[ 45.346736][ T288] ? show_regs_print_info+0x20/0x20
[ 45.352005][ T288] ? prandom_u32+0x24d/0x290
[ 45.356642][ T288] dump_stack+0x15/0x20
[ 45.360864][ T288] should_fail+0x3ab/0x500
[ 45.365303][ T288] ? rtmsg_ifa+0xfa/0x1d0
[ 45.369652][ T288] __should_failslab+0xa4/0xe0
[ 45.374439][ T288] should_failslab+0x9/0x20
[ 45.379158][ T288] slab_pre_alloc_hook+0x39/0xd0
[ 45.384125][ T288] ? rtmsg_ifa+0xfa/0x1d0
[ 45.388503][ T288] ? rtmsg_ifa+0xfa/0x1d0
[ 45.392934][ T288] __kmalloc_track_caller+0x6c/0x2c0
[ 45.398344][ T288] ? rtmsg_ifa+0xfa/0x1d0
[ 45.402684][ T288] ? rtmsg_ifa+0xfa/0x1d0
[ 45.407024][ T288] __alloc_skb+0x210/0x730
[ 45.411459][ T288] rtmsg_ifa+0xfa/0x1d0
[ 45.416012][ T288] __inet_del_ifa+0x80b/0xd90
[ 45.420838][ T288] ? ip_mc_destroy_dev+0x2a3/0x2e0
[ 45.426045][ T288] inetdev_event+0x646/0x1060
[ 45.431370][ T288] ? devinet_exit_net+0x220/0x220
[ 45.436699][ T288] ? up_read+0x56/0x1d0
[ 45.441777][ T288] raw_notifier_call_chain+0x90/0x100
[ 45.447350][ T288] unregister_netdevice_many+0x103d/0x1a00
[ 45.453294][ T288] ? alloc_netdev_mqs+0xe20/0xe20
[ 45.458348][ T288] ? add_timer+0x68/0x80
[ 45.462609][ T288] ? __queue_delayed_work+0x173/0x200
[ 45.468025][ T288] ? __kasan_check_read+0x11/0x20
[ 45.473067][ T288] unregister_netdevice_queue+0x2e1/0x320
[ 45.478806][ T288] ? __kasan_check_read+0x11/0x20
[ 45.483848][ T288] ? linkwatch_urgent_event+0x34d/0x460
[ 45.489504][ T288] ? list_netdevice+0x4c0/0x4c0
[ 45.494369][ T288] __tun_detach+0xc9d/0x1450
[ 45.498994][ T288] tun_chr_close+0x92/0x140
[ 45.503618][ T288] ? tun_chr_open+0x540/0x540
[ 45.508393][ T288] __fput+0x22b/0x900
[ 45.512435][ T288] ____fput+0x15/0x20
[ 45.516469][ T288] task_work_run+0x127/0x190
[ 45.521303][ T288] do_exit+0xb70/0x29a0
[ 45.525593][ T288] ? put_task_struct+0x90/0x90
[ 45.530495][ T288] ? __fdget_pos+0x1f7/0x380
[ 45.535283][ T288] ? ksys_write+0x1eb/0x260
[ 45.539848][ T288] do_group_exit+0x149/0x310
[ 45.544478][ T288] __x64_sys_exit_group+0x3f/0x40
[ 45.549903][ T288] x64_sys_call+0x832/0x9a0
[ 45.554470][ T288] do_syscall_64+0x4c/0xa0
[ 45.558915][ T288] ? clear_bhb_loop+0x50/0xa0
[ 45.563612][ T288] ? clear_bhb_loop+0x50/0xa0
[ 45.568308][ T288] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 45.574221][ T288] RIP: 0033:0x7fdbf976af99
[ 45.578732][ T288] Code: Unable to access opcode bytes at RIP 0x7fdbf976af6f.
[ 45.586114][ T288] RSP: 002b:00007ffc5a023da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 45.594553][ T288] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdbf976af99
[ 45.603113][ T288] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
[ 45.611727][ T288] RBP: 00007fdbf97d5918 R08: 0000000000000000 R09: 0000000000000000
[ 45.619744][ T288] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000069
[ 45.627753][ T288] R13: 0000000000000000 R14: 00007fdbfa521670 R15: 0000000000000000
[ 45.635775][ T288]
[ 45.639839][ T288] FAULT_INJECTION: forcing a failure.
[ 45.639839][ T288] name failslab, interval 1, probability 1, space 0, times 67
[ 45.653247][ T288] CPU: 1 PID: 288 Comm: syz-executor Not tainted syzkaller #0
[ 45.660751][ T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 45.671149][ T288] Call Trace:
[ 45.674464][ T288]
[ 45.677752][ T288] __dump_stack+0x21/0x30
[ 45.682109][ T288] dump_stack_lvl+0x110/0x170
[ 45.686914][ T288] ? show_regs_print_info+0x20/0x20
[ 45.692256][ T288] ? prandom_u32+0x24d/0x290
[ 45.696972][ T288] dump_stack+0x15/0x20
[ 45.701152][ T288] should_fail+0x3ab/0x500
[ 45.705807][ T288] ? inet_netconf_notify_devconf+0x169/0x220
[ 45.712186][ T288] __should_failslab+0xa4/0xe0
[ 45.717436][ T288] should_failslab+0x9/0x20
[ 45.722054][ T288] slab_pre_alloc_hook+0x39/0xd0
[ 45.727040][ T288] ? inet_netconf_notify_devconf+0x169/0x220
[ 45.733023][ T288] ? inet_netconf_notify_devconf+0x169/0x220
[ 45.739093][ T288] __kmalloc_track_caller+0x6c/0x2c0
[ 45.744385][ T288] ? inet_netconf_notify_devconf+0x169/0x220
[ 45.750644][ T288] ? inet_netconf_notify_devconf+0x169/0x220
[ 45.756639][ T288] __alloc_skb+0x210/0x730
[ 45.761157][ T288] inet_netconf_notify_devconf+0x169/0x220
[ 45.767138][ T288] inetdev_event+0x7b0/0x1060
[ 45.771819][ T288] ? devinet_exit_net+0x220/0x220
[ 45.776967][ T288] ? up_read+0x56/0x1d0
[ 45.781131][ T288] raw_notifier_call_chain+0x90/0x100
[ 45.787182][ T288] unregister_netdevice_many+0x103d/0x1a00
[ 45.793011][ T288] ? alloc_netdev_mqs+0xe20/0xe20
[ 45.798279][ T288] ? add_timer+0x68/0x80
[ 45.802554][ T288] ? __queue_delayed_work+0x173/0x200
[ 45.807944][ T288] ? __kasan_check_read+0x11/0x20
[ 45.812992][ T288] unregister_netdevice_queue+0x2e1/0x320
[ 45.818907][ T288] ? __kasan_check_read+0x11/0x20
[ 45.824398][ T288] ? linkwatch_urgent_event+0x34d/0x460
[ 45.829962][ T288] ? list_netdevice+0x4c0/0x4c0
[ 45.835431][ T288] __tun_detach+0xc9d/0x1450
[ 45.840034][ T288] tun_chr_close+0x92/0x140
[ 45.844594][ T288] ? tun_chr_open+0x540/0x540
[ 45.849371][ T288] __fput+0x22b/0x900
[ 45.853707][ T288] ____fput+0x15/0x20
[ 45.857950][ T288] task_work_run+0x127/0x190
[ 45.863095][ T288] do_exit+0xb70/0x29a0
[ 45.867271][ T288] ? put_task_struct+0x90/0x90
[ 45.872044][ T288] ? __fdget_pos+0x1f7/0x380
[ 45.876716][ T288] ? ksys_write+0x1eb/0x260
[ 45.881506][ T288] do_group_exit+0x149/0x310
[ 45.886241][ T288] __x64_sys_exit_group+0x3f/0x40
[ 45.891330][ T288] x64_sys_call+0x832/0x9a0
[ 45.896080][ T288] do_syscall_64+0x4c/0xa0
[ 45.900509][ T288] ? clear_bhb_loop+0x50/0xa0
[ 45.905204][ T288] ? clear_bhb_loop+0x50/0xa0
[ 45.910068][ T288] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 45.915964][ T288] RIP: 0033:0x7fdbf976af99
[ 45.920654][ T288] Code: Unable to access opcode bytes at RIP 0x7fdbf976af6f.
[ 45.928618][ T288] RSP: 002b:00007ffc5a023da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 45.937531][ T288] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdbf976af99
[ 45.945508][ T288] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
[ 45.953586][ T288] RBP: 00007fdbf97d5918 R08: 0000000000000000 R09: 0000000000000000
[ 45.961688][ T288] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000069
[ 45.969863][ T288] R13: 0000000000000000 R14: 00007fdbfa521670 R15: 0000000000000000
[ 45.977976][ T288]
[ 45.983295][ T285] syz-executor (285) used greatest stack depth: 21376 bytes left
[ 45.985595][ T20] FAULT_INJECTION: forcing a failure.
[ 45.985595][ T20] name failslab, interval 1, probability 1, space 0, times 66
[ 46.004090][ T20] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0
[ 46.011598][ T20] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 46.012137][ C1] FAULT_INJECTION: forcing a failure.
[ 46.012137][ C1] name failslab, interval 1, probability 1, space 0, times 66
[ 46.022068][ T20] Workqueue: ipv6_addrconf addrconf_dad_work
[ 46.022106][ T20] Call Trace:
[ 46.022114][ T20]
[ 46.047320][ T20] __dump_stack+0x21/0x30
[ 46.051674][ T20] dump_stack_lvl+0x110/0x170
[ 46.056391][ T20] ? show_regs_print_info+0x20/0x20
[ 46.061882][ T20] ? prandom_u32+0x24d/0x290
[ 46.066826][ T20] dump_stack+0x15/0x20
[ 46.071021][ T20] should_fail+0x3ab/0x500
[ 46.075558][ T20] __should_failslab+0xa4/0xe0
[ 46.080363][ T20] should_failslab+0x9/0x20
[ 46.084908][ T20] slab_pre_alloc_hook+0x39/0xd0
[ 46.089992][ T20] kmem_cache_alloc_trace+0x48/0x270
[ 46.095508][ T20] ? dst_cow_metrics_generic+0x55/0x1c0
[ 46.101275][ T20] dst_cow_metrics_generic+0x55/0x1c0
[ 46.106675][ T20] icmp6_dst_alloc+0x35f/0x520
[ 46.111467][ T20] ndisc_send_skb+0x2a9/0xcf0
[ 46.116179][ T20] ? ndisc_alloc_skb+0x290/0x290
[ 46.121146][ T20] ? skb_put+0x10a/0x1f0
[ 46.125409][ T20] ndisc_send_ns+0x879/0xb10
[ 46.130027][ T20] ? ndisc_send_skb+0xcf0/0xcf0
[ 46.135093][ T20] ? mod_delayed_work_on+0xa8/0xe0
[ 46.140330][ T20] addrconf_dad_work+0x9fa/0x1510
[ 46.145391][ T20] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 46.150788][ T20] ? __kasan_check_write+0x14/0x20
[ 46.156023][ T20] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 46.161959][ T20] process_one_work+0x6c8/0xbb0
[ 46.166925][ T20] worker_thread+0xaa0/0x1250
[ 46.171660][ T20] ? __kasan_check_read+0x11/0x20
[ 46.176806][ T20] kthread+0x3f5/0x4f0
[ 46.180894][ T20] ? worker_clr_flags+0x190/0x190
[ 46.185986][ T20] ? kthread_blkcg+0xd0/0xd0
[ 46.190621][ T20] ret_from_fork+0x1f/0x30
[ 46.195086][ T20]
[ 46.198136][ C1] CPU: 1 PID: 281 Comm: syz-executor Not tainted syzkaller #0
[ 46.205640][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 46.215802][ C1] Call Trace:
[ 46.219109][ C1]
[ 46.221992][ C1] __dump_stack+0x21/0x30
[ 46.226350][ C1] dump_stack_lvl+0x110/0x170
[ 46.231030][ C1] ? show_regs_print_info+0x20/0x20
[ 46.236331][ C1] ? prandom_u32+0x24d/0x290
[ 46.241016][ C1] dump_stack+0x15/0x20
[ 46.245178][ C1] should_fail+0x3ab/0x500
[ 46.249598][ C1] __should_failslab+0xa4/0xe0
[ 46.254382][ C1] should_failslab+0x9/0x20
[ 46.259010][ C1] slab_pre_alloc_hook+0x39/0xd0
[ 46.263976][ C1] ? __alloc_skb+0xe4/0x730
[ 46.268483][ C1] kmem_cache_alloc+0x44/0x260
[ 46.273420][ C1] __alloc_skb+0xe4/0x730
[ 46.277756][ C1] wg_packet_send_keepalive+0x62/0x1c0
[ 46.283215][ C1] ? wg_expired_send_persistent_keepalive+0x44/0x80
[ 46.290075][ C1] wg_expired_send_persistent_keepalive+0x53/0x80
[ 46.296524][ C1] ? wg_expired_zero_key_material+0x170/0x170
[ 46.302612][ C1] call_timer_fn+0x38/0x290
[ 46.307130][ C1] ? wg_expired_zero_key_material+0x170/0x170
[ 46.313206][ C1] __run_timers+0x637/0x9a0
[ 46.317727][ C1] ? calc_index+0x200/0x200
[ 46.322602][ C1] ? sched_clock_cpu+0x18/0x3d0
[ 46.327764][ C1] run_timer_softirq+0x6a/0xf0
[ 46.332547][ C1] handle_softirqs+0x250/0x560
[ 46.337341][ C1] ? irqtime_account_irq+0xbe/0x390
[ 46.342722][ C1] __irq_exit_rcu+0x52/0xf0
[ 46.347252][ C1] irq_exit_rcu+0x9/0x10
[ 46.351600][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 46.357268][ C1]
[ 46.360465][ C1]
[ 46.363509][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 46.369676][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x36/0x60
[ 46.376037][ C1] Code: 90 b6 98 7e 65 8b 15 91 b6 98 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 5c 0b 00 00 00 74 2c 8b 91 38 0b 00 00 <83> fa 02 75 21 48 8b 91 40 0b 00 00 48 8b 32 48 8d 7e 01 8b 89 3c
[ 46.395749][ C1] RSP: 0018:ffffc900009877d0 EFLAGS: 00000246
[ 46.401825][ C1] RAX: ffffffff81933374 RBX: ffffea00048e0e08 RCX: ffff88811e7d3b40
[ 46.409813][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 46.418491][ C1] RBP: ffffc900009877d0 R08: ffff88811e7d3b47 R09: 1ffff11023cfa768
[ 46.426504][ C1] R10: dffffc0000000000 R11: ffffed1023cfa769 R12: 1ffff92000130f00
[ 46.434488][ C1] R13: dffffc0000000000 R14: 1ffffd400091c1c1 R15: 0000000000000000
[ 46.442589][ C1] ? mark_page_accessed+0x104/0x8e0
[ 46.448067][ C1] mark_page_accessed+0x104/0x8e0
[ 46.454076][ C1] ? __activate_page+0x11e0/0x11e0
[ 46.459222][ C1] ? __kasan_check_write+0x14/0x20
[ 46.464347][ C1] ? __tlb_remove_page_size+0x12f/0x310
[ 46.469904][ C1] ? vm_normal_page+0x99/0x1f0
[ 46.474894][ C1] unmap_page_range+0x123a/0x1e00
[ 46.480090][ C1] ? mmu_notifier_invalidate_range_end+0xe0/0xe0
[ 46.486604][ C1] ? lru_cache_add+0x7e0/0x7e0
[ 46.491381][ C1] unmap_vmas+0x26d/0x380
[ 46.495802][ C1] ? unmap_page_range+0x1e00/0x1e00
[ 46.501027][ C1] ? __kasan_check_write+0x14/0x20
[ 46.506179][ C1] ? tlb_gather_mmu_fullmm+0x144/0x1c0
[ 46.511646][ C1] exit_mmap+0x412/0x8b0
[ 46.516006][ C1] ? vm_brk+0x30/0x30
[ 46.520014][ C1] ? mutex_unlock+0x8f/0x230
[ 46.524745][ C1] ? uprobe_clear_state+0x2c6/0x320
[ 46.529972][ C1] __mmput+0x92/0x300
[ 46.534045][ C1] mmput+0x50/0x150
[ 46.538398][ C1] do_exit+0xacc/0x29a0
[ 46.542773][ C1] ? put_task_struct+0x90/0x90
[ 46.547645][ C1] ? __fdget_pos+0x1f7/0x380
[ 46.552377][ C1] ? ksys_write+0x1eb/0x260
[ 46.557184][ C1] ? __ia32_sys_read+0x90/0x90
[ 46.562004][ C1] do_group_exit+0x149/0x310
[ 46.566726][ C1] __x64_sys_exit_group+0x3f/0x40
[ 46.571789][ C1] x64_sys_call+0x832/0x9a0
[ 46.576541][ C1] do_syscall_64+0x4c/0xa0
[ 46.580993][ C1] ? clear_bhb_loop+0x50/0xa0
[ 46.585682][ C1] ? clear_bhb_loop+0x50/0xa0
[ 46.590749][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 46.596664][ C1] RIP: 0033:0x7f1afe51bf99
[ 46.601103][ C1] Code: Unable to access opcode bytes at RIP 0x7f1afe51bf6f.
[ 46.608659][ C1] RSP: 002b:00007ffd40789a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 46.617342][ C1] RAX: ffffffffffffffda RBX: 0000000000000043 RCX: 00007f1afe51bf99
[ 46.626920][ C1] RDX: 00007f1afe549317 RSI: 0000000000000004 RDI: 0000000000000043
[ 46.635010][ C1] RBP: 00007f1afe7a47b8 R08: 0000000000000000 R09: 0000000000000003
[ 46.643621][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
[ 46.651596][ C1] R13: 0000000000000003 R14: 00007ffd40789c88 R15: 0000000000000000
[ 46.659729][ C1]
[ 46.701108][ T58] FAULT_INJECTION: forcing a failure.
[ 46.701108][ T58] name failslab, interval 1, probability 1, space 0, times 64
[ 46.714709][ T10] FAULT_INJECTION: forcing a failure.
[ 46.714709][ T10] name failslab, interval 1, probability 1, space 0, times 64
[ 46.716072][ T322] FAULT_INJECTION: forcing a failure.
[ 46.716072][ T322] name failslab, interval 1, probability 1, space 0, times 64
[ 46.730321][ T10] CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
[ 46.749077][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 46.759241][ T10] Workqueue: netns cleanup_net
[ 46.764037][ T10] Call Trace:
[ 46.767330][ T10]
[ 46.770274][ T10] __dump_stack+0x21/0x30
[ 46.774732][ T10] dump_stack_lvl+0x110/0x170
[ 46.779424][ T10] ? show_regs_print_info+0x20/0x20
[ 46.784662][ T10] dump_stack+0x15/0x20
[ 46.788922][ T10] should_fail+0x3ab/0x500
[ 46.793376][ T10] __should_failslab+0xa4/0xe0
[ 46.798162][ T10] should_failslab+0x9/0x20
[ 46.802676][ T10] slab_pre_alloc_hook+0x39/0xd0
[ 46.807654][ T10] __kmalloc+0x6d/0x2c0
[ 46.812012][ T10] ? kvmalloc_node+0x211/0x320
[ 46.816795][ T10] kvmalloc_node+0x211/0x320
[ 46.821400][ T10] ? vm_mmap+0xb0/0xb0
[ 46.825505][ T10] ? __kasan_check_read+0x11/0x20
[ 46.830643][ T10] __nf_hook_entries_try_shrink+0x345/0x740
[ 46.836665][ T10] ? wait_for_completion_killable_timeout+0x10/0x10
[ 46.843605][ T10] __nf_unregister_net_hook+0x3ae/0x560
[ 46.849296][ T10] nf_unregister_net_hooks+0xe2/0x150
[ 46.854855][ T10] nf_nat_unregister_fn+0x276/0x3c0
[ 46.860522][ T10] nf_nat_ipv4_unregister_fn+0x43/0x60
[ 46.866121][ T10] iptable_nat_net_pre_exit+0xbd/0xe0
[ 46.871531][ T10] cleanup_net+0x4b2/0xae0
[ 46.876315][ T10] ? ops_init+0x470/0x470
[ 46.880684][ T10] ? __schedule+0xbd7/0x14a0
[ 46.885473][ T10] process_one_work+0x6c8/0xbb0
[ 46.890437][ T10] worker_thread+0xaa0/0x1250
[ 46.895691][ T10] kthread+0x3f5/0x4f0
[ 46.899771][ T10] ? worker_clr_flags+0x190/0x190
[ 46.904833][ T10] ? kthread_blkcg+0xd0/0xd0
[ 46.909437][ T10] ret_from_fork+0x1f/0x30
[ 46.913869][ T10]
[ 46.916908][ T322] CPU: 0 PID: 322 Comm: kworker/0:3 Not tainted syzkaller #0
[ 46.924332][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 46.934510][ T322] Workqueue: ipv6_addrconf addrconf_dad_work
[ 46.940796][ T322] Call Trace:
[ 46.944104][ T322]
[ 46.947059][ T322] __dump_stack+0x21/0x30
[ 46.951408][ T322] dump_stack_lvl+0x110/0x170
[ 46.956090][ T322] ? show_regs_print_info+0x20/0x20
[ 46.961302][ T322] ? prandom_u32+0x24d/0x290
[ 46.966246][ T322] dump_stack+0x15/0x20
[ 46.970438][ T322] should_fail+0x3ab/0x500
[ 46.975085][ T322] __should_failslab+0xa4/0xe0
[ 46.979965][ T322] should_failslab+0x9/0x20
[ 46.984778][ T322] slab_pre_alloc_hook+0x39/0xd0
[ 46.989764][ T322] __kmalloc+0x6d/0x2c0
[ 46.993978][ T322] ? ___neigh_create+0x6fb/0x1c50
[ 46.999192][ T322] ___neigh_create+0x6fb/0x1c50
[ 47.004110][ T322] ? arch_stack_walk+0x108/0x140
[ 47.009208][ T322] __neigh_create+0x31/0x40
[ 47.013850][ T322] ip6_finish_output2+0xae3/0x1790
[ 47.019867][ T322] ? ndisc_send_skb+0x2a9/0xcf0
[ 47.024763][ T322] ? addrconf_dad_work+0x9fa/0x1510
[ 47.030015][ T322] ? worker_thread+0xaa0/0x1250
[ 47.034986][ T322] ? __ip6_finish_output+0x7e0/0x7e0
[ 47.040388][ T322] ? memset+0x35/0x40
[ 47.044479][ T322] __ip6_finish_output+0x621/0x7e0
[ 47.049780][ T322] ip6_finish_output+0x31/0x220
[ 47.055382][ T322] ? ip6_output+0x3ea/0x410
[ 47.060015][ T322] ip6_output+0x1fa/0x410
[ 47.064362][ T322] ? ac6_seq_show+0xf0/0xf0
[ 47.068969][ T322] ? ip6_output+0x410/0x410
[ 47.074118][ T322] ndisc_send_skb+0x7f6/0xcf0
[ 47.079225][ T322] ? ndisc_alloc_skb+0x290/0x290
[ 47.084203][ T322] ? ndisc_error_report+0xc0/0xc0
[ 47.089462][ T322] ? skb_put+0x10a/0x1f0
[ 47.093828][ T322] ndisc_send_ns+0x879/0xb10
[ 47.098627][ T322] ? ndisc_send_skb+0xcf0/0xcf0
[ 47.103684][ T322] ? mod_delayed_work_on+0xa8/0xe0
[ 47.108906][ T322] addrconf_dad_work+0x9fa/0x1510
[ 47.114038][ T322] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 47.119542][ T322] ? __kasan_check_write+0x14/0x20
[ 47.124843][ T322] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 47.130754][ T322] process_one_work+0x6c8/0xbb0
[ 47.135634][ T322] worker_thread+0xaa0/0x1250
[ 47.140326][ T322] ? __kasan_check_read+0x11/0x20
[ 47.145416][ T322] kthread+0x3f5/0x4f0
[ 47.149532][ T322] ? worker_clr_flags+0x190/0x190
[ 47.154785][ T322] ? kthread_blkcg+0xd0/0xd0
[ 47.159597][ T322] ret_from_fork+0x1f/0x30
[ 47.164086][ T322]
[ 47.191979][ T58] CPU: 0 PID: 58 Comm: kworker/0:2 Not tainted syzkaller #0
[ 47.199415][ T58] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 47.209591][ T58] Workqueue: 0x0 (wg-crypt-wg2)
[ 47.214578][ T58] Call Trace:
[ 47.217877][ T58]
[ 47.220831][ T58] __dump_stack+0x21/0x30
[ 47.225269][ T58] dump_stack_lvl+0x110/0x170
[ 47.229973][ T58] ? show_regs_print_info+0x20/0x20
[ 47.235199][ T58] ? prandom_u32+0x24d/0x290
[ 47.239817][ T58] dump_stack+0x15/0x20
[ 47.243996][ T58] should_fail+0x3ab/0x500
[ 47.248459][ T58] __should_failslab+0xa4/0xe0
[ 47.253271][ T58] should_failslab+0x9/0x20
[ 47.257801][ T58] slab_pre_alloc_hook+0x39/0xd0
[ 47.258446][ T277] FAULT_INJECTION: forcing a failure.
[ 47.258446][ T277] name failslab, interval 1, probability 1, space 0, times 62
[ 47.263031][ T58] kmem_cache_alloc_trace+0x48/0x270
[ 47.263055][ T58] ? __kthread_create_on_node+0x148/0x570
[ 47.287111][ T58] ? worker_clr_flags+0x190/0x190
[ 47.292742][ T58] __kthread_create_on_node+0x148/0x570
[ 47.298315][ T58] ? widen_string+0x42/0x360
[ 47.302929][ T58] ? kthread_create_on_node+0x140/0x140
[ 47.308500][ T58] ? vsnprintf+0x189d/0x1990
[ 47.313212][ T58] ? worker_clr_flags+0x190/0x190
[ 47.318536][ T58] ? worker_clr_flags+0x190/0x190
[ 47.323943][ T58] kthread_create_on_node+0xe8/0x140
[ 47.329470][ T58] ? tsk_fork_get_node+0x10/0x10
[ 47.334428][ T58] ? create_worker+0xee/0x780
[ 47.339137][ T58] create_worker+0x36f/0x780
[ 47.343864][ T58] ? workqueue_prepare_cpu+0x170/0x170
[ 47.349377][ T58] worker_thread+0x4c0/0x1250
[ 47.355469][ T58] kthread+0x3f5/0x4f0
[ 47.359597][ T58] ? worker_clr_flags+0x190/0x190
[ 47.364744][ T58] ? kthread_blkcg+0xd0/0xd0
[ 47.369482][ T58] ret_from_fork+0x1f/0x30
[ 47.374022][ T58]
[ 47.377063][ T277] CPU: 1 PID: 277 Comm: syz-executor Not tainted syzkaller #0
[ 47.384644][ T277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 47.395042][ T277] Call Trace:
[ 47.398357][ T277]
[ 47.401438][ T277] __dump_stack+0x21/0x30
[ 47.405804][ T277] dump_stack_lvl+0x110/0x170
[ 47.410549][ T277] ? show_regs_print_info+0x20/0x20
[ 47.415805][ T277] dump_stack+0x15/0x20
[ 47.420188][ T277] should_fail+0x3ab/0x500
[ 47.424639][ T277] __should_failslab+0xa4/0xe0
[ 47.429433][ T277] should_failslab+0x9/0x20
[ 47.433964][ T277] slab_pre_alloc_hook+0x39/0xd0
[ 47.439242][ T277] ? security_file_alloc+0x33/0x120
[ 47.444836][ T277] kmem_cache_alloc+0x44/0x260
[ 47.449636][ T277] security_file_alloc+0x33/0x120
[ 47.454690][ T277] __alloc_file+0xb5/0x2a0
[ 47.459241][ T277] alloc_empty_file+0x97/0x180
[ 47.464034][ T277] alloc_file+0x59/0x580
[ 47.468387][ T277] alloc_file_clone+0x28/0xb0
[ 47.471804][ T324] FAULT_INJECTION: forcing a failure.
[ 47.471804][ T324] name failslab, interval 1, probability 1, space 0, times 61
[ 47.473094][ T277] create_pipe_files+0x3e7/0x6c0
[ 47.473115][ T277] __do_pipe_flags+0x4f/0x200
[ 47.473132][ T277] do_pipe2+0xa7/0x190
[ 47.500031][ T277] ? pipe_fcntl+0x510/0x510
[ 47.504552][ T277] ? vfs_write+0xfd0/0xfd0
[ 47.508991][ T277] ? debug_smp_processor_id+0x17/0x20
[ 47.514493][ T277] __x64_sys_pipe2+0x5a/0x70
[ 47.519096][ T277] x64_sys_call+0x354/0x9a0
[ 47.523614][ T277] do_syscall_64+0x4c/0xa0
[ 47.528049][ T277] ? clear_bhb_loop+0x50/0xa0
[ 47.532750][ T277] ? clear_bhb_loop+0x50/0xa0
[ 47.537442][ T277] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 47.543726][ T277] RIP: 0033:0x7f28fbd2afc9
[ 47.548154][ T277] 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
[ 47.567975][ T277] RSP: 002b:00007ffe6b766888 EFLAGS: 00000246 ORIG_RAX: 0000000000000125
[ 47.576514][ T277] RAX: ffffffffffffffda RBX: 000055558e3577f0 RCX: 00007f28fbd2afc9
[ 47.584754][ T277] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffe6b7668a0
[ 47.592766][ T277] RBP: 00007ffe6b766e70 R08: 0000000000000000 R09: 0000000000000000
SYZFAIL: pipe failed
(errno 12: Cannot allocate memory)
[ 47.601052][ T277] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe6b7669d0
[ 47.609062][ T277] R13: 000055558e354f88 R14: 000055558e354168 R15: 0000000000000000
[ 47.617549][ T277]
[ 47.620685][ T324] CPU: 0 PID: 324 Comm: syz-executor Not tainted syzkaller #0
[ 47.628175][ T324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 47.638266][ T324] Call Trace:
[ 47.641573][ T324]
[ 47.644536][ T324] __dump_stack+0x21/0x30
[ 47.649089][ T324] dump_stack_lvl+0x110/0x170
[ 47.653821][ T324] ? show_regs_print_info+0x20/0x20
[ 47.659054][ T324] dump_stack+0x15/0x20
[ 47.663246][ T324] should_fail+0x3ab/0x500
[ 47.667700][ T324] __should_failslab+0xa4/0xe0
[ 47.672491][ T324] should_failslab+0x9/0x20
[ 47.677041][ T324] slab_pre_alloc_hook+0x39/0xd0
[ 47.682182][ T324] __kmalloc+0x6d/0x2c0
[ 47.686340][ T324] ? kvmalloc_node+0x211/0x320
[ 47.691195][ T324] kvmalloc_node+0x211/0x320
[ 47.695784][ T324] ? vm_mmap+0xb0/0xb0
[ 47.699884][ T324] ? kmem_cache_alloc_trace+0x119/0x270
[ 47.705440][ T324] alloc_fdtable+0x17f/0x2e0
[ 47.710135][ T324] dup_fd+0x896/0xad0
[ 47.714219][ T324] copy_files+0x76/0xe0
[ 47.718417][ T324] copy_process+0x10d4/0x3280
[ 47.723102][ T324] ? perf_event_namespaces+0x198/0x8d0
[ 47.728581][ T324] ? __pidfd_prepare+0x150/0x150
[ 47.733534][ T324] ? copy_pid_ns+0x26c/0x8a0
[ 47.738143][ T324] kernel_clone+0x233/0x960
[ 47.742663][ T324] ? __kasan_check_write+0x14/0x20
[ 47.747788][ T324] ? _raw_spin_lock_irq+0x95/0xf0
[ 47.753024][ T324] ? create_io_thread+0x170/0x170
[ 47.758083][ T324] ? recalc_sigpending+0x1ac/0x230
[ 47.763204][ T324] __x64_sys_clone+0x198/0x210
[ 47.767976][ T324] ? __ia32_sys_vfork+0x130/0x130
[ 47.773004][ T324] ? fpregs_assert_state_consistent+0xb1/0xe0
[ 47.779607][ T324] x64_sys_call+0x41f/0x9a0
[ 47.784330][ T324] do_syscall_64+0x4c/0xa0
[ 47.788781][ T324] ? clear_bhb_loop+0x50/0xa0
[ 47.793591][ T324] ? clear_bhb_loop+0x50/0xa0
[ 47.798371][ T324] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 47.804280][ T324] RIP: 0033:0x7f121d46ba12
[ 47.808723][ T324] Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00
[ 47.828563][ T324] RSP: 002b:00007fff5fc19620 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[ 47.837080][ T324] RAX: ffffffffffffffda RBX: 00007fff5fc19620 RCX: 00007f121d46ba12
[ 47.845378][ T324] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[ 47.853722][ T324] RBP: 00007f121d6cb7b8 R08: 0000000000000000 R09: 0000000000000000
[ 47.861802][ T324] R10: 0000555585f097d0 R11: 0000000000000246 R12: 0000000000000000
[ 47.869792][ T324] R13: 0000000000000003 R14: 00007fff5fc199a8 R15: 0000000000000000
[ 47.877913][ T324]
[ 47.883108][ T307] FAULT_INJECTION: forcing a failure.
[ 47.883108][ T307] name failslab, interval 1, probability 1, space 0, times 59
[ 47.896088][ T307] CPU: 1 PID: 307 Comm: kworker/1:3 Not tainted syzkaller #0
[ 47.903505][ T307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 47.914017][ T307] Workqueue: ipv6_addrconf addrconf_dad_work
[ 47.920896][ T307] Call Trace:
[ 47.924449][ T307]
[ 47.927439][ T307] __dump_stack+0x21/0x30
[ 47.931806][ T307] dump_stack_lvl+0x110/0x170
[ 47.936510][ T307] ? show_regs_print_info+0x20/0x20
[ 47.941847][ T307] ? prandom_u32+0x24d/0x290
[ 47.946629][ T307] dump_stack+0x15/0x20
[ 47.950890][ T307] should_fail+0x3ab/0x500
[ 47.955408][ T307] __should_failslab+0xa4/0xe0
[ 47.960193][ T307] should_failslab+0x9/0x20
[ 47.964728][ T307] slab_pre_alloc_hook+0x39/0xd0
[ 47.969679][ T307] kmem_cache_alloc_trace+0x48/0x270
[ 47.975323][ T307] ? dst_cow_metrics_generic+0x55/0x1c0
[ 47.980881][ T307] dst_cow_metrics_generic+0x55/0x1c0
[ 47.986264][ T307] icmp6_dst_alloc+0x35f/0x520
[ 47.991040][ T307] ndisc_send_skb+0x2a9/0xcf0
[ 47.995725][ T307] ? ndisc_alloc_skb+0x290/0x290
[ 48.000676][ T307] ? skb_put+0x10a/0x1f0
[ 48.004928][ T307] ndisc_send_ns+0x879/0xb10
[ 48.009530][ T307] ? ndisc_send_skb+0xcf0/0xcf0
[ 48.014873][ T307] ? mod_delayed_work_on+0xa8/0xe0
[ 48.020220][ T307] addrconf_dad_work+0x9fa/0x1510
[ 48.025289][ T307] ? __vunmap+0x8ef/0x980
[ 48.029747][ T307] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 48.035155][ T307] ? __kasan_check_write+0x14/0x20
[ 48.040284][ T307] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 48.046202][ T307] process_one_work+0x6c8/0xbb0
[ 48.051071][ T307] worker_thread+0xaa0/0x1250
[ 48.055874][ T307] ? __kasan_check_read+0x11/0x20
[ 48.061044][ T307] kthread+0x3f5/0x4f0
[ 48.065304][ T307] ? worker_clr_flags+0x190/0x190
[ 48.070352][ T307] ? kthread_blkcg+0xd0/0xd0
[ 48.074967][ T307] ret_from_fork+0x1f/0x30
[ 48.079406][ T307]
[ 48.084101][ T101] FAULT_INJECTION: forcing a failure.
[ 48.084101][ T101] name failslab, interval 1, probability 1, space 0, times 58
[ 48.097391][ T101] CPU: 0 PID: 101 Comm: udevd Not tainted syzkaller #0
[ 48.104287][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 48.115355][ T101] Call Trace:
[ 48.118660][ T101]
[ 48.122487][ T101] __dump_stack+0x21/0x30
[ 48.127358][ T101] dump_stack_lvl+0x110/0x170
[ 48.132330][ T101] ? show_regs_print_info+0x20/0x20
[ 48.137570][ T101] ? prandom_u32+0x24d/0x290
[ 48.142172][ T101] dump_stack+0x15/0x20
[ 48.146337][ T101] should_fail+0x3ab/0x500
[ 48.150776][ T101] __should_failslab+0xa4/0xe0
[ 48.155558][ T101] should_failslab+0x9/0x20
[ 48.160099][ T101] slab_pre_alloc_hook+0x39/0xd0
[ 48.165049][ T101] ? anon_vma_fork+0x1ff/0x520
[ 48.170047][ T101] kmem_cache_alloc+0x44/0x260
[ 48.174875][ T101] anon_vma_fork+0x1ff/0x520
[ 48.179498][ T101] copy_mm+0x9f9/0x13a0
[ 48.183673][ T101] ? copy_signal+0x5f0/0x5f0
[ 48.188279][ T101] ? __init_rwsem+0xfc/0x1d0
[ 48.192906][ T101] ? copy_signal+0x4cc/0x5f0
[ 48.197588][ T101] copy_process+0x1184/0x3280
[ 48.202297][ T101] ? _raw_spin_unlock_bh+0x51/0x60
[ 48.207423][ T101] ? __pidfd_prepare+0x150/0x150
[ 48.212378][ T101] ? selinux_socket_setsockopt+0x282/0x360
[ 48.219161][ T101] kernel_clone+0x233/0x960
[ 48.223825][ T101] ? __kasan_check_write+0x14/0x20
[ 48.229511][ T101] ? _raw_spin_lock_irq+0x95/0xf0
[ 48.234703][ T101] ? create_io_thread+0x170/0x170
[ 48.239917][ T101] ? recalc_sigpending+0x1ac/0x230
[ 48.245043][ T101] __x64_sys_clone+0x198/0x210
[ 48.249828][ T101] ? __ia32_sys_vfork+0x130/0x130
[ 48.254982][ T101] ? fpregs_assert_state_consistent+0xb1/0xe0
[ 48.261187][ T101] x64_sys_call+0x41f/0x9a0
[ 48.266350][ T101] do_syscall_64+0x4c/0xa0
[ 48.270783][ T101] ? clear_bhb_loop+0x50/0xa0
[ 48.275477][ T101] ? clear_bhb_loop+0x50/0xa0
[ 48.280708][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 48.286634][ T101] RIP: 0033:0x7f0c76806636
[ 48.291098][ T101] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00
[ 48.311248][ T101] RSP: 002b:00007fffb0a52740 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[ 48.319827][ T101] RAX: ffffffffffffffda RBX: 00007fffb0a52748 RCX: 00007f0c76806636
[ 48.328135][ T101] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[ 48.336336][ T101] RBP: 0000558c82a032c0 R08: 0000000000000000 R09: 0000558c82c39020
[ 48.344436][ T101] R10: 00007f0c766ceb50 R11: 0000000000000246 R12: 00007fffb0a52b00
[ 48.352432][ T101] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 48.360513][ T101]
[ 48.363917][ T101] ------------[ cut here ]------------
[ 48.369498][ T101] refcount_t: underflow; use-after-free.
[ 48.375484][ T101] WARNING: CPU: 0 PID: 101 at lib/refcount.c:28 refcount_warn_saturate+0x120/0x1a0
[ 48.386208][ T58] FAULT_INJECTION: forcing a failure.
[ 48.386208][ T58] name failslab, interval 1, probability 1, space 0, times 57
[ 48.399733][ T101] Modules linked in:
[ 48.403896][ T101] CPU: 0 PID: 101 Comm: udevd Not tainted syzkaller #0
[ 48.411443][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 48.421598][ T58] CPU: 0 PID: 58 Comm: kworker/0:2 Not tainted syzkaller #0
[ 48.429351][ T58] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 48.439427][ T58] Workqueue: ipv6_addrconf addrconf_dad_work
[ 48.445529][ T58] Call Trace:
[ 48.448819][ T58]
[ 48.451762][ T58] __dump_stack+0x21/0x30
[ 48.456110][ T58] dump_stack_lvl+0x110/0x170
[ 48.460828][ T58] ? show_regs_print_info+0x20/0x20
[ 48.466052][ T58] dump_stack+0x15/0x20
[ 48.470225][ T58] should_fail+0x3ab/0x500
[ 48.474655][ T58] ? ndisc_send_rs+0x310/0x960
[ 48.479436][ T58] __should_failslab+0xa4/0xe0
[ 48.484248][ T58] should_failslab+0x9/0x20
[ 48.488770][ T58] slab_pre_alloc_hook+0x39/0xd0
[ 48.494066][ T58] ? ndisc_send_rs+0x310/0x960
[ 48.498947][ T58] ? ndisc_send_rs+0x310/0x960
[ 48.503734][ T58] __kmalloc_track_caller+0x6c/0x2c0
[ 48.509063][ T58] ? ndisc_send_rs+0x310/0x960
[ 48.513981][ T58] ? ndisc_send_rs+0x310/0x960
[ 48.519144][ T58] __alloc_skb+0x210/0x730
[ 48.523688][ T58] ndisc_send_rs+0x310/0x960
[ 48.528466][ T58] addrconf_dad_completed+0x936/0xe20
[ 48.534227][ T58] ? addrconf_dad_stop+0x440/0x440
[ 48.539634][ T58] ? mod_delayed_work_on+0xa8/0xe0
[ 48.544976][ T58] addrconf_dad_work+0xc4c/0x1510
[ 48.550033][ T58] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 48.555421][ T58] ? __kasan_check_write+0x14/0x20
[ 48.560901][ T58] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 48.566811][ T58] process_one_work+0x6c8/0xbb0
[ 48.571716][ T58] worker_thread+0xaa0/0x1250
[ 48.576409][ T58] kthread+0x3f5/0x4f0
[ 48.580595][ T58] ? worker_clr_flags+0x190/0x190
[ 48.585667][ T58] ? kthread_blkcg+0xd0/0xd0
[ 48.590362][ T58] ret_from_fork+0x1f/0x30
[ 48.594792][ T58]
[ 48.598015][ T101] RIP: 0010:refcount_warn_saturate+0x120/0x1a0
[ 48.604322][ T101] Code: 04 01 48 c7 c7 c0 46 63 85 e8 ac 47 5a 02 0f 0b eb c3 e8 43 80 19 ff c6 05 00 ea 95 04 01 48 c7 c7 20 47 63 85 e8 90 47 5a 02 <0f> 0b eb a7 e8 27 80 19 ff c6 05 e1 e9 95 04 01 48 c7 c7 60 46 63
[ 48.624001][ T101] RSP: 0018:ffffc90000a47948 EFLAGS: 00010246
[ 48.630106][ T101] RAX: c4f1afec9d07d100 RBX: 0000000000000003 RCX: ffff88810e054f00
[ 48.638233][ T101] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 48.646262][ T101] RBP: ffffc90000a47958 R08: ffffc90000a473a7 R09: 1ffff92000148e74
[ 48.654326][ T101] R10: dffffc0000000000 R11: fffff52000148e75 R12: 0000000000000000
[ 48.662501][ T101] R13: ffff88810d4d8e80 R14: 0000000000000003 R15: ffff88810dfa7059
[ 48.670922][ T101] FS: 00007f0c766ce880(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 48.675766][ T323] FAULT_INJECTION: forcing a failure.
[ 48.675766][ T323] name failslab, interval 1, probability 1, space 0, times 56
[ 48.692756][ T323] CPU: 1 PID: 323 Comm: kworker/1:4 Not tainted syzkaller #0
[ 48.700169][ T323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 48.701968][ T101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 48.710508][ T323] Workqueue: ipv6_addrconf addrconf_dad_work
[ 48.723384][ T323] Call Trace:
[ 48.726957][ T323]
[ 48.729999][ T323] __dump_stack+0x21/0x30
[ 48.732055][ T101] CR2: 0000558c6bc890e8 CR3: 000000010dec8000 CR4: 00000000003506b0
[ 48.734356][ T323] dump_stack_lvl+0x110/0x170
[ 48.747192][ T323] ? show_regs_print_info+0x20/0x20
[ 48.752163][ T101] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 48.752425][ T323] ? prandom_u32+0x24d/0x290
[ 48.760849][ T101] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 48.765812][ T323] dump_stack+0x15/0x20
[ 48.765843][ T323] should_fail+0x3ab/0x500
[ 48.765868][ T323] __should_failslab+0xa4/0xe0
[ 48.788427][ T323] should_failslab+0x9/0x20
[ 48.792131][ T101] Call Trace:
[ 48.793135][ T323] slab_pre_alloc_hook+0x39/0xd0
[ 48.796443][ T101]
[ 48.801490][ T323] __kmalloc+0x6d/0x2c0
[ 48.809209][ T323] ? ___neigh_create+0x6fb/0x1c50
[ 48.814364][ T323] ___neigh_create+0x6fb/0x1c50
[ 48.819600][ T323] ? arch_stack_walk+0x108/0x140
[ 48.822083][ T101] vm_area_free_no_check+0x132/0x140
[ 48.824593][ T323] __neigh_create+0x31/0x40
[ 48.829895][ T101] copy_mm+0xe8f/0x13a0
[ 48.834489][ T323] ip6_finish_output2+0xae3/0x1790
[ 48.834512][ T323] ? __ip6_finish_output+0x7e0/0x7e0
[ 48.834529][ T323] ? ip6t_do_table+0x1355/0x1510
[ 48.852060][ T101] ? copy_signal+0x5f0/0x5f0
[ 48.854123][ T323] __ip6_finish_output+0x621/0x7e0
[ 48.858747][ T101] ? __init_rwsem+0xfc/0x1d0
[ 48.863988][ T323] ip6_finish_output+0x31/0x220
[ 48.864015][ T323] ? ip6_output+0x3ea/0x410
[ 48.864035][ T323] ip6_output+0x1fa/0x410
[ 48.881987][ T101] ? copy_signal+0x4cc/0x5f0
[ 48.882444][ T323] ? ac6_seq_show+0xf0/0xf0
[ 48.887035][ T101] copy_process+0x1184/0x3280
[ 48.891620][ T323] ? ip6_output+0x410/0x410
[ 48.900984][ T323] ndisc_send_skb+0x7f6/0xcf0
[ 48.905773][ T323] ? ndisc_alloc_skb+0x290/0x290
[ 48.910934][ T323] ? ndisc_error_report+0xc0/0xc0
[ 48.916261][ T323] ? skb_put+0x10a/0x1f0
[ 48.920692][ T323] ndisc_send_ns+0x879/0xb10
[ 48.925489][ T323] ? ndisc_send_skb+0xcf0/0xcf0
[ 48.930386][ T323] ? mod_delayed_work_on+0xa8/0xe0
[ 48.935620][ T323] addrconf_dad_work+0x9fa/0x1510
[ 48.940769][ T323] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 48.946101][ T323] ? __kasan_check_write+0x14/0x20
[ 48.951246][ T323] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 48.957169][ T323] process_one_work+0x6c8/0xbb0
[ 48.962053][ T323] worker_thread+0xaa0/0x1250
[ 48.966886][ T323] ? __kasan_check_read+0x11/0x20
[ 48.971939][ T323] kthread+0x3f5/0x4f0
[ 48.976035][ T323] ? worker_clr_flags+0x190/0x190
[ 48.981157][ T323] ? kthread_blkcg+0xd0/0xd0
[ 48.985868][ T323] ret_from_fork+0x1f/0x30
[ 48.990317][ T323]
[ 48.993509][ T101] ? _raw_spin_unlock_bh+0x51/0x60
[ 48.998706][ T101] ? __pidfd_prepare+0x150/0x150
[ 49.003850][ T101] ? selinux_socket_setsockopt+0x282/0x360
[ 49.009967][ T101] kernel_clone+0x233/0x960
[ 49.015933][ T101] ? __kasan_check_write+0x14/0x20
[ 49.021415][ T101] ? _raw_spin_lock_irq+0x95/0xf0
[ 49.023825][ T307] FAULT_INJECTION: forcing a failure.
[ 49.023825][ T307] name failslab, interval 1, probability 1, space 0, times 55
[ 49.040726][ T307] CPU: 1 PID: 307 Comm: kworker/1:3 Not tainted syzkaller #0
[ 49.040722][ T101] ? create_io_thread+0x170/0x170
[ 49.040756][ T101] ? recalc_sigpending+0x1ac/0x230
[ 49.048150][ T307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 49.048165][ T307] Workqueue: ipv6_addrconf addrconf_dad_work
[ 49.048190][ T307] Call Trace:
[ 49.053452][ T101] __x64_sys_clone+0x198/0x210
[ 49.058435][ T307]
[ 49.068568][ T101] ? __ia32_sys_vfork+0x130/0x130
[ 49.074589][ T307] __dump_stack+0x21/0x30
[ 49.074610][ T307] dump_stack_lvl+0x110/0x170
[ 49.077958][ T101] ? fpregs_assert_state_consistent+0xb1/0xe0
[ 49.082755][ T307] ? show_regs_print_info+0x20/0x20
[ 49.082778][ T307] dump_stack+0x15/0x20
[ 49.085815][ T101] x64_sys_call+0x41f/0x9a0
[ 49.090841][ T307] should_fail+0x3ab/0x500
[ 49.095289][ T101] do_syscall_64+0x4c/0xa0
[ 49.099854][ T307] __should_failslab+0xa4/0xe0
[ 49.105979][ T101] ? clear_bhb_loop+0x50/0xa0
[ 49.111230][ T307] should_failslab+0x9/0x20
[ 49.115553][ T101] ? clear_bhb_loop+0x50/0xa0
[ 49.119917][ T307] slab_pre_alloc_hook+0x39/0xd0
[ 49.124564][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 49.129357][ T307] ? __alloc_skb+0xe4/0x730
[ 49.135024][ T101] RIP: 0033:0x7f0c76806636
[ 49.139484][ T307] kmem_cache_alloc+0x44/0x260
[ 49.144745][ T101] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00
[ 49.149428][ T307] __alloc_skb+0xe4/0x730
[ 49.156178][ T101] RSP: 002b:00007fffb0a52740 EFLAGS: 00000246
[ 49.162934][ T307] mld_newpack+0x143/0x9e0
[ 49.162963][ T307] ? mld_sendpack+0xba0/0xba0
[ 49.167470][ T101] ORIG_RAX: 0000000000000038
[ 49.171913][ T307] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 49.171939][ T307] add_grec+0xee8/0x1340
[ 49.177199][ T101] RAX: ffffffffffffffda RBX: 00007fffb0a52748 RCX: 00007f0c76806636
[ 49.197137][ T307] ? __kasan_check_write+0x14/0x20
[ 49.197182][ T307] mld_send_initial_cr+0x157/0x320
[ 49.197201][ T307] ipv6_mc_dad_complete+0x87/0x450
[ 49.197219][ T307] addrconf_dad_completed+0x73d/0xe20
[ 49.202148][ T101] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[ 49.208291][ T307] ? addrconf_dad_stop+0x440/0x440
[ 49.212926][ T101] RBP: 0000558c82a032c0 R08: 0000000000000000 R09: 0000558c82c39020
[ 49.217852][ T307] ? mod_delayed_work_on+0xa8/0xe0
[ 49.222977][ T101] R10: 00007f0c766ceb50 R11: 0000000000000246 R12: 00007fffb0a52b00
[ 49.228288][ T307] addrconf_dad_work+0xc4c/0x1510
[ 49.232704][ T101] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 49.248751][ T307] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 49.248788][ T307] ? __kasan_check_write+0x14/0x20
[ 49.248809][ T307] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 49.255759][ T101]
[ 49.261123][ T307] process_one_work+0x6c8/0xbb0
[ 49.266387][ T101] ---[ end trace df63c318598a44d7 ]---
[ 49.271702][ T307] worker_thread+0xaa0/0x1250
[ 49.286389][ T101] udevd[101]: fork of child failed: Cannot allocate memory
[ 49.286929][ T307] ? __kasan_check_read+0x11/0x20
[ 49.373167][ T307] kthread+0x3f5/0x4f0
[ 49.377634][ T307] ? worker_clr_flags+0x190/0x190
[ 49.383290][ T307] ? kthread_blkcg+0xd0/0xd0
[ 49.388091][ T307] ret_from_fork+0x1f/0x30
[ 49.392704][ T307]
[ 49.399528][ T307] FAULT_INJECTION: forcing a failure.
[ 49.399528][ T307] name failslab, interval 1, probability 1, space 0, times 54
[ 49.412613][ T307] CPU: 1 PID: 307 Comm: kworker/1:3 Tainted: G W syzkaller #0
[ 49.421805][ T307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 49.432866][ T307] Workqueue: ipv6_addrconf addrconf_dad_work
[ 49.438889][ T307] Call Trace:
[ 49.442274][ T307]
[ 49.445218][ T307] __dump_stack+0x21/0x30
[ 49.449560][ T307] dump_stack_lvl+0x110/0x170
[ 49.454411][ T307] ? show_regs_print_info+0x20/0x20
[ 49.460274][ T307] dump_stack+0x15/0x20
[ 49.464801][ T307] should_fail+0x3ab/0x500
[ 49.469720][ T307] __should_failslab+0xa4/0xe0
[ 49.474685][ T307] should_failslab+0x9/0x20
[ 49.479209][ T307] slab_pre_alloc_hook+0x39/0xd0
[ 49.484173][ T307] ? __alloc_skb+0xe4/0x730
[ 49.488986][ T307] kmem_cache_alloc+0x44/0x260
[ 49.493968][ T307] __alloc_skb+0xe4/0x730
[ 49.498669][ T307] inet6_rt_notify+0x293/0x480
[ 49.503960][ T307] ? rt6_nh_dump_exceptions+0x6b0/0x6b0
[ 49.509967][ T307] ? call_fib_notifiers+0xa0/0xc0
[ 49.515332][ T307] fib6_add+0x223f/0x3d70
[ 49.520022][ T307] ? fib6_update_sernum_stub+0x190/0x190
[ 49.527160][ T307] ? __kasan_check_write+0x14/0x20
[ 49.532289][ T307] ? _raw_spin_lock_bh+0x94/0xf0
[ 49.537231][ T307] ip6_ins_rt+0xd3/0x130
[ 49.541649][ T307] ? rt6_lookup+0x220/0x220
[ 49.546386][ T307] ? rtnl_notify+0x9a/0xc0
[ 49.550834][ T307] __ipv6_ifa_notify+0x4df/0xe70
[ 49.556240][ T307] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 49.561985][ T307] ? __local_bh_enable_ip+0x58/0x80
[ 49.567312][ T307] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 49.574167][ T307] ? __kasan_check_write+0x14/0x20
[ 49.579294][ T307] ? try_to_grab_pending+0x1a4/0x580
[ 49.584668][ T307] ? __mutex_lock_slowpath+0x10/0x10
[ 49.590678][ T307] ? mod_delayed_work_on+0xe0/0xe0
[ 49.596000][ T307] ? node_free_rcu+0x30/0x30
[ 49.600606][ T307] ? __kasan_check_write+0x14/0x20
[ 49.606247][ T307] ? __cancel_work+0x198/0x200
[ 49.611035][ T307] addrconf_dad_completed+0x182/0xe20
[ 49.616407][ T307] ? __kasan_check_write+0x14/0x20
[ 49.621628][ T307] ? addrconf_dad_stop+0x440/0x440
[ 49.627074][ T307] addrconf_dad_work+0xc4c/0x1510
[ 49.632121][ T307] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 49.637455][ T307] ? __kasan_check_write+0x14/0x20
[ 49.642687][ T307] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 49.648591][ T307] process_one_work+0x6c8/0xbb0
[ 49.653449][ T307] worker_thread+0xaa0/0x1250
[ 49.658160][ T307] ? __kasan_check_read+0x11/0x20
[ 49.663519][ T307] kthread+0x3f5/0x4f0
[ 49.667609][ T307] ? worker_clr_flags+0x190/0x190
[ 49.672669][ T307] ? kthread_blkcg+0xd0/0xd0
[ 49.677266][ T307] ret_from_fork+0x1f/0x30
[ 49.681688][ T307]
[ 49.685958][ T322] FAULT_INJECTION: forcing a failure.
[ 49.685958][ T322] name failslab, interval 1, probability 1, space 0, times 53
[ 49.699132][ T322] CPU: 0 PID: 322 Comm: kworker/0:3 Tainted: G W syzkaller #0
[ 49.707936][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 49.718015][ T322] Workqueue: ipv6_addrconf addrconf_dad_work
[ 49.724019][ T322] Call Trace:
[ 49.727312][ T322]
[ 49.730276][ T322] __dump_stack+0x21/0x30
[ 49.734733][ T322] dump_stack_lvl+0x110/0x170
[ 49.739563][ T322] ? show_regs_print_info+0x20/0x20
[ 49.745077][ T322] dump_stack+0x15/0x20
[ 49.749860][ T322] should_fail+0x3ab/0x500
[ 49.754780][ T322] __should_failslab+0xa4/0xe0
[ 49.759596][ T322] should_failslab+0x9/0x20
[ 49.764134][ T322] slab_pre_alloc_hook+0x39/0xd0
[ 49.769188][ T322] ? __alloc_skb+0xe4/0x730
[ 49.774304][ T322] kmem_cache_alloc+0x44/0x260
[ 49.779089][ T322] __alloc_skb+0xe4/0x730
[ 49.783457][ T322] __ipv6_ifa_notify+0x200/0xe70
[ 49.788431][ T322] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 49.794262][ T322] ? __local_bh_enable_ip+0x58/0x80
[ 49.799500][ T322] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 49.806296][ T322] ? __kasan_check_write+0x14/0x20
[ 49.811536][ T322] ? try_to_grab_pending+0x1a4/0x580
[ 49.817233][ T322] ? __mutex_lock_slowpath+0x10/0x10
[ 49.822633][ T322] ? mod_delayed_work_on+0xe0/0xe0
[ 49.828465][ T322] ? node_free_rcu+0x30/0x30
[ 49.833109][ T322] ? __kasan_check_write+0x14/0x20
[ 49.838545][ T322] ? __cancel_work+0x198/0x200
[ 49.843632][ T322] addrconf_dad_completed+0x182/0xe20
[ 49.849305][ T322] ? __kasan_check_write+0x14/0x20
[ 49.854813][ T322] ? addrconf_dad_stop+0x440/0x440
[ 49.859977][ T322] addrconf_dad_work+0xc4c/0x1510
[ 49.865566][ T322] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 49.870962][ T322] ? __kasan_check_write+0x14/0x20
[ 49.876092][ T322] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 49.882022][ T322] process_one_work+0x6c8/0xbb0
[ 49.886982][ T322] worker_thread+0xaa0/0x1250
[ 49.891677][ T322] ? __kasan_check_read+0x11/0x20
[ 49.896897][ T322] kthread+0x3f5/0x4f0
[ 49.901086][ T322] ? worker_clr_flags+0x190/0x190
[ 49.906152][ T322] ? kthread_blkcg+0xd0/0xd0
[ 49.911053][ T322] ret_from_fork+0x1f/0x30
[ 49.915484][ T322]
[ 49.919266][ T58] FAULT_INJECTION: forcing a failure.
[ 49.919266][ T58] name failslab, interval 1, probability 1, space 0, times 52
[ 49.932550][ T58] CPU: 0 PID: 58 Comm: kworker/0:2 Tainted: G W syzkaller #0
[ 49.941692][ T58] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 49.952093][ T58] Workqueue: ipv6_addrconf addrconf_dad_work
[ 49.958095][ T58] Call Trace:
[ 49.961379][ T58]
[ 49.964325][ T58] __dump_stack+0x21/0x30
[ 49.968660][ T58] dump_stack_lvl+0x110/0x170
[ 49.973420][ T58] ? show_regs_print_info+0x20/0x20
[ 49.978632][ T58] ? prandom_u32+0x24d/0x290
[ 49.983745][ T58] dump_stack+0x15/0x20
[ 49.988048][ T58] should_fail+0x3ab/0x500
[ 49.992999][ T58] ? mld_newpack+0x143/0x9e0
[ 49.998173][ T58] __should_failslab+0xa4/0xe0
[ 50.002968][ T58] should_failslab+0x9/0x20
[ 50.009244][ T58] slab_pre_alloc_hook+0x39/0xd0
[ 50.014379][ T58] ? mld_newpack+0x143/0x9e0
[ 50.019541][ T58] ? mld_newpack+0x143/0x9e0
[ 50.024412][ T58] __kmalloc_track_caller+0x6c/0x2c0
[ 50.029882][ T58] ? mld_newpack+0x143/0x9e0
[ 50.034488][ T58] ? mld_newpack+0x143/0x9e0
[ 50.039127][ T58] __alloc_skb+0x210/0x730
[ 50.043666][ T58] mld_newpack+0x143/0x9e0
[ 50.048378][ T58] ? mld_sendpack+0xba0/0xba0
[ 50.053072][ T58] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 50.058900][ T58] add_grec+0xee8/0x1340
[ 50.063157][ T58] ? __kasan_check_write+0x14/0x20
[ 50.068385][ T58] mld_send_initial_cr+0x157/0x320
[ 50.073510][ T58] ipv6_mc_dad_complete+0x87/0x450
[ 50.079102][ T58] addrconf_dad_completed+0x73d/0xe20
[ 50.084706][ T58] ? addrconf_dad_stop+0x440/0x440
[ 50.089885][ T58] ? add_grec+0xf70/0x1340
[ 50.094351][ T58] addrconf_dad_work+0xc4c/0x1510
[ 50.099391][ T58] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 50.104691][ T58] ? __kasan_check_write+0x14/0x20
[ 50.109908][ T58] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 50.115802][ T58] process_one_work+0x6c8/0xbb0
[ 50.120660][ T58] worker_thread+0xaa0/0x1250
[ 50.126686][ T58] kthread+0x3f5/0x4f0
[ 50.130974][ T58] ? worker_clr_flags+0x190/0x190
[ 50.136125][ T58] ? kthread_blkcg+0xd0/0xd0
[ 50.141494][ T58] ret_from_fork+0x1f/0x30
[ 50.146118][ T58]
[ 50.149835][ T322] FAULT_INJECTION: forcing a failure.
[ 50.149835][ T322] name failslab, interval 1, probability 1, space 0, times 51
[ 50.164107][ T322] CPU: 0 PID: 322 Comm: kworker/0:3 Tainted: G W syzkaller #0
[ 50.173290][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 50.183354][ T322] Workqueue: ipv6_addrconf addrconf_dad_work
[ 50.189366][ T322] Call Trace:
[ 50.192641][ T322]
[ 50.195571][ T322] __dump_stack+0x21/0x30
[ 50.200140][ T322] dump_stack_lvl+0x110/0x170
[ 50.205583][ T322] ? show_regs_print_info+0x20/0x20
[ 50.210837][ T322] ? prandom_u32+0x24d/0x290
[ 50.215465][ T322] dump_stack+0x15/0x20
[ 50.219785][ T322] should_fail+0x3ab/0x500
[ 50.224400][ T322] ? ndisc_send_ns+0x347/0xb10
[ 50.229638][ T322] __should_failslab+0xa4/0xe0
[ 50.234812][ T322] should_failslab+0x9/0x20
[ 50.239334][ T322] slab_pre_alloc_hook+0x39/0xd0
[ 50.244429][ T322] ? ndisc_send_ns+0x347/0xb10
[ 50.249862][ T322] ? ndisc_send_ns+0x347/0xb10
[ 50.255167][ T322] __kmalloc_track_caller+0x6c/0x2c0
[ 50.262202][ T322] ? ndisc_send_ns+0x347/0xb10
[ 50.268036][ T322] ? ndisc_send_ns+0x347/0xb10
[ 50.274993][ T322] __alloc_skb+0x210/0x730
[ 50.280386][ T322] ndisc_send_ns+0x347/0xb10
[ 50.285288][ T322] ? ndisc_send_skb+0xcf0/0xcf0
[ 50.290450][ T322] ? mod_delayed_work_on+0xa8/0xe0
[ 50.295796][ T322] addrconf_dad_work+0x9fa/0x1510
[ 50.300890][ T322] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 50.306469][ T322] ? __kasan_check_write+0x14/0x20
[ 50.312055][ T322] ? _raw_spin_lock_irq+0x95/0xf0
[ 50.317491][ T322] process_one_work+0x6c8/0xbb0
[ 50.322374][ T322] worker_thread+0xaa0/0x1250
[ 50.327222][ T322] ? __kasan_check_read+0x11/0x20
[ 50.332269][ T322] kthread+0x3f5/0x4f0
[ 50.336387][ T322] ? worker_clr_flags+0x190/0x190
[ 50.341657][ T322] ? kthread_blkcg+0xd0/0xd0
[ 50.346294][ T322] ret_from_fork+0x1f/0x30
[ 50.351034][ T322]
[ 50.357731][ T307] FAULT_INJECTION: forcing a failure.
[ 50.357731][ T307] name failslab, interval 1, probability 1, space 0, times 50
[ 50.370758][ T307] CPU: 1 PID: 307 Comm: kworker/1:3 Tainted: G W syzkaller #0
[ 50.379639][ T307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 50.389749][ T307] Workqueue: ipv6_addrconf addrconf_dad_work
[ 50.395777][ T307] Call Trace:
[ 50.399171][ T307]
[ 50.402118][ T307] __dump_stack+0x21/0x30
[ 50.406635][ T307] dump_stack_lvl+0x110/0x170
[ 50.411326][ T307] ? show_regs_print_info+0x20/0x20
[ 50.416543][ T307] ? prandom_u32+0x24d/0x290
[ 50.421153][ T307] dump_stack+0x15/0x20
[ 50.425346][ T307] should_fail+0x3ab/0x500
[ 50.430275][ T307] ? inet6_rt_notify+0x293/0x480
[ 50.435588][ T307] __should_failslab+0xa4/0xe0
[ 50.440392][ T307] should_failslab+0x9/0x20
[ 50.444922][ T307] slab_pre_alloc_hook+0x39/0xd0
[ 50.449921][ T307] ? inet6_rt_notify+0x293/0x480
[ 50.455338][ T307] ? inet6_rt_notify+0x293/0x480
[ 50.460490][ T307] __kmalloc_track_caller+0x6c/0x2c0
[ 50.465912][ T307] ? inet6_rt_notify+0x293/0x480
[ 50.471026][ T307] ? inet6_rt_notify+0x293/0x480
[ 50.476192][ T307] __alloc_skb+0x210/0x730
[ 50.480673][ T307] inet6_rt_notify+0x293/0x480
[ 50.485530][ T307] ? rt6_nh_dump_exceptions+0x6b0/0x6b0
[ 50.491107][ T307] ? call_fib_notifiers+0xa0/0xc0
[ 50.497261][ T307] fib6_add+0x223f/0x3d70
[ 50.501900][ T307] ? fib6_update_sernum_stub+0x190/0x190
[ 50.507859][ T307] ? __kasan_check_write+0x14/0x20
[ 50.513019][ T307] ? _raw_spin_lock_bh+0x94/0xf0
[ 50.518159][ T307] ip6_ins_rt+0xd3/0x130
[ 50.522428][ T307] ? rt6_lookup+0x220/0x220
[ 50.527473][ T307] ? rtnl_notify+0x9a/0xc0
[ 50.532036][ T307] __ipv6_ifa_notify+0x4df/0xe70
[ 50.537193][ T307] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 50.543200][ T307] ? ndisc_alloc_skb+0x290/0x290
[ 50.548192][ T307] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 50.555057][ T307] ? __kasan_check_write+0x14/0x20
[ 50.560371][ T307] ? try_to_grab_pending+0x1a4/0x580
[ 50.565729][ T307] ? __mutex_lock_slowpath+0x10/0x10
[ 50.571414][ T307] ? mod_delayed_work_on+0xe0/0xe0
[ 50.576559][ T307] ? __kasan_check_write+0x14/0x20
[ 50.581720][ T307] ? __cancel_work+0x198/0x200
[ 50.587736][ T307] addrconf_dad_completed+0x182/0xe20
[ 50.593134][ T307] ? __kasan_check_write+0x14/0x20
[ 50.598994][ T307] ? addrconf_dad_stop+0x440/0x440
[ 50.604907][ T307] ? mod_delayed_work_on+0xa8/0xe0
[ 50.610165][ T307] addrconf_dad_work+0xc4c/0x1510
[ 50.615324][ T307] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 50.620642][ T307] ? __kasan_check_write+0x14/0x20
[ 50.625868][ T307] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 50.631895][ T307] process_one_work+0x6c8/0xbb0
[ 50.636873][ T307] worker_thread+0xaa0/0x1250
[ 50.641593][ T307] ? __kasan_check_read+0x11/0x20
[ 50.646658][ T307] kthread+0x3f5/0x4f0
[ 50.651238][ T307] ? worker_clr_flags+0x190/0x190
[ 50.656752][ T307] ? kthread_blkcg+0xd0/0xd0
[ 50.661586][ T307] ret_from_fork+0x1f/0x30
[ 50.666141][ T307]
[ 50.670024][ T58] FAULT_INJECTION: forcing a failure.
[ 50.670024][ T58] name failslab, interval 1, probability 1, space 0, times 49
[ 50.681453][ T323] FAULT_INJECTION: forcing a failure.
[ 50.681453][ T323] name failslab, interval 1, probability 1, space 0, times 49
[ 50.684686][ T58] CPU: 0 PID: 58 Comm: kworker/0:2 Tainted: G W syzkaller #0
[ 50.705924][ T58] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 50.716205][ T58] Workqueue: mld mld_dad_work
[ 50.721084][ T58] Call Trace:
[ 50.724377][ T58]
[ 50.727333][ T58] __dump_stack+0x21/0x30
[ 50.732127][ T58] dump_stack_lvl+0x110/0x170
[ 50.737074][ T58] ? show_regs_print_info+0x20/0x20
[ 50.742320][ T58] ? prandom_u32+0x24d/0x290
[ 50.746943][ T58] dump_stack+0x15/0x20
[ 50.751227][ T58] should_fail+0x3ab/0x500
[ 50.755674][ T58] __should_failslab+0xa4/0xe0
[ 50.760472][ T58] should_failslab+0x9/0x20
[ 50.765015][ T58] slab_pre_alloc_hook+0x39/0xd0
[ 50.770086][ T58] kmem_cache_alloc_trace+0x48/0x270
[ 50.775497][ T58] ? dst_cow_metrics_generic+0x55/0x1c0
[ 50.781652][ T58] dst_cow_metrics_generic+0x55/0x1c0
[ 50.787329][ T58] icmp6_dst_alloc+0x35f/0x520
[ 50.792131][ T58] mld_sendpack+0x4d9/0xba0
[ 50.797105][ T58] ? add_grec+0x1340/0x1340
[ 50.801890][ T58] ? add_grec+0xf70/0x1340
[ 50.806628][ T58] ? memcpy+0x56/0x70
[ 50.810737][ T58] ? __kasan_check_write+0x14/0x20
[ 50.816172][ T58] mld_send_initial_cr+0x1c0/0x320
[ 50.821395][ T58] mld_dad_work+0x3a/0x4e0
[ 50.826050][ T58] process_one_work+0x6c8/0xbb0
[ 50.831100][ T58] worker_thread+0xaa0/0x1250
[ 50.836010][ T58] kthread+0x3f5/0x4f0
[ 50.840101][ T58] ? worker_clr_flags+0x190/0x190
[ 50.845153][ T58] ? kthread_blkcg+0xd0/0xd0
[ 50.849857][ T58] ret_from_fork+0x1f/0x30
[ 50.854348][ T58]
[ 50.857395][ T323] CPU: 1 PID: 323 Comm: kworker/1:4 Tainted: G W syzkaller #0
[ 50.866463][ T323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 50.872820][ T322] FAULT_INJECTION: forcing a failure.
[ 50.872820][ T322] name failslab, interval 1, probability 1, space 0, times 48
[ 50.876719][ T323] Workqueue: ipv6_addrconf addrconf_dad_work
[ 50.895880][ T323] Call Trace:
[ 50.899194][ T323]
[ 50.902189][ T323] __dump_stack+0x21/0x30
[ 50.906726][ T323] dump_stack_lvl+0x110/0x170
[ 50.911658][ T323] ? show_regs_print_info+0x20/0x20
[ 50.917352][ T323] dump_stack+0x15/0x20
[ 50.921799][ T323] should_fail+0x3ab/0x500
[ 50.927302][ T323] __should_failslab+0xa4/0xe0
[ 50.932261][ T323] should_failslab+0x9/0x20
[ 50.936873][ T323] slab_pre_alloc_hook+0x39/0xd0
[ 50.941834][ T323] ? __alloc_skb+0xe4/0x730
[ 50.946365][ T323] kmem_cache_alloc+0x44/0x260
[ 50.951249][ T323] __alloc_skb+0xe4/0x730
[ 50.956298][ T323] inet6_rt_notify+0x293/0x480
[ 50.961096][ T323] ? rt6_nh_dump_exceptions+0x6b0/0x6b0
[ 50.966756][ T323] ? call_fib_notifiers+0xa0/0xc0
[ 50.971805][ T323] fib6_add+0x223f/0x3d70
[ 50.976685][ T323] ? fib6_update_sernum_stub+0x190/0x190
[ 50.982618][ T323] ? __kasan_check_write+0x14/0x20
[ 50.987776][ T323] ? _raw_spin_lock_bh+0x94/0xf0
[ 50.992784][ T323] ip6_ins_rt+0xd3/0x130
[ 50.997060][ T323] ? rt6_lookup+0x220/0x220
[ 51.002193][ T323] ? rtnl_notify+0x9a/0xc0
[ 51.006931][ T323] __ipv6_ifa_notify+0x4df/0xe70
[ 51.012159][ T323] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 51.018151][ T323] ? ndisc_alloc_skb+0x290/0x290
[ 51.023142][ T323] ? __kasan_check_write+0x14/0x20
[ 51.028327][ T323] ? try_to_grab_pending+0x1a4/0x580
[ 51.034250][ T323] ? __mutex_lock_slowpath+0x10/0x10
[ 51.039569][ T323] ? mod_delayed_work_on+0xe0/0xe0
[ 51.044902][ T323] ? __kasan_check_write+0x14/0x20
[ 51.050131][ T323] ? __cancel_work+0x198/0x200
[ 51.054918][ T323] addrconf_dad_completed+0x182/0xe20
[ 51.060316][ T323] ? __kasan_check_write+0x14/0x20
[ 51.065629][ T323] ? addrconf_dad_stop+0x440/0x440
[ 51.070857][ T323] ? mod_delayed_work_on+0xa8/0xe0
[ 51.076009][ T323] addrconf_dad_work+0xc4c/0x1510
[ 51.081333][ T323] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 51.086640][ T323] ? __kasan_check_write+0x14/0x20
[ 51.093080][ T323] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 51.099018][ T323] process_one_work+0x6c8/0xbb0
[ 51.103943][ T323] worker_thread+0xaa0/0x1250
[ 51.108656][ T323] ? __kasan_check_read+0x11/0x20
[ 51.113730][ T323] kthread+0x3f5/0x4f0
[ 51.117893][ T323] ? worker_clr_flags+0x190/0x190
[ 51.123328][ T323] ? kthread_blkcg+0xd0/0xd0
[ 51.128495][ T323] ret_from_fork+0x1f/0x30
[ 51.133058][ T323]
[ 51.136100][ T322] CPU: 0 PID: 322 Comm: kworker/0:3 Tainted: G W syzkaller #0
[ 51.143498][ T307] FAULT_INJECTION: forcing a failure.
[ 51.143498][ T307] name failslab, interval 1, probability 1, space 0, times 47
[ 51.146676][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 51.173196][ T322] Workqueue: mld mld_dad_work
[ 51.178054][ T322] Call Trace:
[ 51.181398][ T322]
[ 51.184444][ T322] __dump_stack+0x21/0x30
[ 51.189341][ T322] dump_stack_lvl+0x110/0x170
[ 51.194062][ T322] ? show_regs_print_info+0x20/0x20
[ 51.199388][ T322] ? prandom_u32+0x24d/0x290
[ 51.204203][ T322] dump_stack+0x15/0x20
[ 51.208600][ T322] should_fail+0x3ab/0x500
[ 51.213144][ T322] __should_failslab+0xa4/0xe0
[ 51.217931][ T322] should_failslab+0x9/0x20
[ 51.222560][ T322] slab_pre_alloc_hook+0x39/0xd0
[ 51.227673][ T322] kmem_cache_alloc_trace+0x48/0x270
[ 51.233080][ T322] ? dst_cow_metrics_generic+0x55/0x1c0
[ 51.238932][ T322] dst_cow_metrics_generic+0x55/0x1c0
[ 51.245059][ T322] icmp6_dst_alloc+0x35f/0x520
[ 51.250181][ T322] mld_sendpack+0x4d9/0xba0
[ 51.256916][ T322] ? add_grec+0x1340/0x1340
[ 51.262545][ T322] ? add_grec+0xf70/0x1340
[ 51.266995][ T322] ? memcpy+0x56/0x70
[ 51.271098][ T322] ? __kasan_check_write+0x14/0x20
[ 51.277119][ T322] mld_send_initial_cr+0x1c0/0x320
[ 51.282281][ T322] mld_dad_work+0x3a/0x4e0
[ 51.286754][ T322] process_one_work+0x6c8/0xbb0
[ 51.291742][ T322] worker_thread+0xaa0/0x1250
[ 51.296561][ T322] ? __kasan_check_read+0x11/0x20
[ 51.301640][ T322] kthread+0x3f5/0x4f0
[ 51.305751][ T322] ? worker_clr_flags+0x190/0x190
[ 51.310825][ T322] ? kthread_blkcg+0xd0/0xd0
[ 51.315451][ T322] ret_from_fork+0x1f/0x30
[ 51.320085][ T322]
[ 51.323136][ T307] CPU: 1 PID: 307 Comm: kworker/1:3 Tainted: G W syzkaller #0
[ 51.332119][ T307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 51.342284][ T307] Workqueue: ipv6_addrconf addrconf_dad_work
[ 51.348651][ T307] Call Trace:
[ 51.352350][ T307]
[ 51.355539][ T307] __dump_stack+0x21/0x30
[ 51.360481][ T307] dump_stack_lvl+0x110/0x170
[ 51.365375][ T307] ? show_regs_print_info+0x20/0x20
[ 51.370817][ T307] ? prandom_u32+0x24d/0x290
[ 51.375622][ T307] dump_stack+0x15/0x20
[ 51.380120][ T307] should_fail+0x3ab/0x500
[ 51.384985][ T307] ? ndisc_send_ns+0x347/0xb10
[ 51.389803][ T307] __should_failslab+0xa4/0xe0
[ 51.394872][ T307] should_failslab+0x9/0x20
[ 51.399662][ T307] slab_pre_alloc_hook+0x39/0xd0
[ 51.404900][ T307] ? ndisc_send_ns+0x347/0xb10
[ 51.409876][ T307] ? ndisc_send_ns+0x347/0xb10
[ 51.414819][ T307] __kmalloc_track_caller+0x6c/0x2c0
[ 51.420236][ T307] ? ndisc_send_ns+0x347/0xb10
[ 51.425283][ T307] ? ndisc_send_ns+0x347/0xb10
[ 51.430084][ T307] __alloc_skb+0x210/0x730
[ 51.434534][ T307] ndisc_send_ns+0x347/0xb10
[ 51.439190][ T307] ? ndisc_send_skb+0xcf0/0xcf0
[ 51.444302][ T307] ? mod_delayed_work_on+0xa8/0xe0
[ 51.449487][ T307] addrconf_dad_work+0x9fa/0x1510
[ 51.454788][ T307] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 51.460504][ T307] ? __kasan_check_write+0x14/0x20
[ 51.465739][ T307] ? _raw_spin_lock_irq+0x95/0xf0
[ 51.470883][ T307] ? _raw_spin_lock_irqsave+0x130/0x130
[ 51.476456][ T307] process_one_work+0x6c8/0xbb0
[ 51.481444][ T307] worker_thread+0xaa0/0x1250
[ 51.486161][ T307] ? __kasan_check_read+0x11/0x20
[ 51.491328][ T307] kthread+0x3f5/0x4f0
[ 51.495415][ T307] ? worker_clr_flags+0x190/0x190
[ 51.500578][ T307] ? kthread_blkcg+0xd0/0xd0
[ 51.505437][ T307] ret_from_fork+0x1f/0x30
[ 51.510619][ T307]
[ 51.517016][ T58] FAULT_INJECTION: forcing a failure.
[ 51.517016][ T58] name failslab, interval 1, probability 1, space 0, times 45
[ 51.523277][ T291] FAULT_INJECTION: forcing a failure.
[ 51.523277][ T291] name failslab, interval 1, probability 1, space 0, times 45
[ 51.531807][ T58] CPU: 0 PID: 58 Comm: kworker/0:2 Tainted: G W syzkaller #0
[ 51.553278][ T58] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 51.563732][ T58] Workqueue: ipv6_addrconf addrconf_dad_work
[ 51.569761][ T58] Call Trace:
[ 51.573065][ T58]
[ 51.576016][ T58] __dump_stack+0x21/0x30
[ 51.580448][ T58] dump_stack_lvl+0x110/0x170
[ 51.585226][ T58] ? show_regs_print_info+0x20/0x20
[ 51.590618][ T58] ? prandom_u32+0x24d/0x290
[ 51.595279][ T58] dump_stack+0x15/0x20
[ 51.599677][ T58] should_fail+0x3ab/0x500
[ 51.604215][ T58] ? inet6_rt_notify+0x293/0x480
[ 51.609269][ T58] __should_failslab+0xa4/0xe0
[ 51.614236][ T58] should_failslab+0x9/0x20
[ 51.618762][ T58] slab_pre_alloc_hook+0x39/0xd0
[ 51.624071][ T58] ? inet6_rt_notify+0x293/0x480
[ 51.629265][ T58] ? inet6_rt_notify+0x293/0x480
[ 51.634421][ T58] __kmalloc_track_caller+0x6c/0x2c0
[ 51.639818][ T58] ? inet6_rt_notify+0x293/0x480
[ 51.644825][ T58] ? inet6_rt_notify+0x293/0x480
[ 51.649880][ T58] __alloc_skb+0x210/0x730
[ 51.654413][ T58] inet6_rt_notify+0x293/0x480
[ 51.659580][ T58] ? rt6_nh_dump_exceptions+0x6b0/0x6b0
[ 51.665308][ T58] ? call_fib_notifiers+0xa0/0xc0
[ 51.670484][ T58] fib6_add+0x223f/0x3d70
[ 51.675032][ T58] ? fib6_update_sernum_stub+0x190/0x190
[ 51.680705][ T58] ? __kasan_check_write+0x14/0x20
[ 51.685858][ T58] ? _raw_spin_lock_bh+0x94/0xf0
[ 51.690923][ T58] ip6_ins_rt+0xd3/0x130
[ 51.695216][ T58] ? rt6_lookup+0x220/0x220
[ 51.699921][ T58] ? rtnl_notify+0x9a/0xc0
[ 51.704450][ T58] __ipv6_ifa_notify+0x4df/0xe70
[ 51.709414][ T58] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 51.715158][ T58] ? __local_bh_enable_ip+0x58/0x80
[ 51.720395][ T58] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 51.727182][ T58] ? __kasan_check_write+0x14/0x20
[ 51.732514][ T58] ? try_to_grab_pending+0x1a4/0x580
[ 51.737828][ T58] ? __mutex_lock_slowpath+0x10/0x10
[ 51.743256][ T58] ? mod_delayed_work_on+0xe0/0xe0
[ 51.748808][ T58] ? node_free_rcu+0x30/0x30
[ 51.753525][ T58] ? __kasan_check_write+0x14/0x20
[ 51.758875][ T58] ? __cancel_work+0x198/0x200
[ 51.763931][ T58] addrconf_dad_completed+0x182/0xe20
[ 51.769584][ T58] ? __kasan_check_write+0x14/0x20
[ 51.774811][ T58] ? addrconf_dad_stop+0x440/0x440
[ 51.780165][ T58] ? mod_delayed_work_on+0xa8/0xe0
[ 51.785319][ T58] addrconf_dad_work+0xc4c/0x1510
[ 51.790576][ T58] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 51.795977][ T58] ? __kasan_check_write+0x14/0x20
[ 51.801107][ T58] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 51.807237][ T58] process_one_work+0x6c8/0xbb0
[ 51.812114][ T58] worker_thread+0xaa0/0x1250
[ 51.816842][ T58] kthread+0x3f5/0x4f0
[ 51.820951][ T58] ? worker_clr_flags+0x190/0x190
[ 51.826006][ T58] ? kthread_blkcg+0xd0/0xd0
[ 51.830921][ T58] ret_from_fork+0x1f/0x30
[ 51.835801][ T58]
[ 51.839081][ T291] CPU: 1 PID: 291 Comm: kworker/1:2 Tainted: G W syzkaller #0
[ 51.848159][ T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 51.858861][ T291] Workqueue: mld mld_dad_work
[ 51.863734][ T291] Call Trace:
[ 51.867159][ T291]
[ 51.870624][ T291] __dump_stack+0x21/0x30
[ 51.874994][ T291] dump_stack_lvl+0x110/0x170
[ 51.880162][ T291] ? show_regs_print_info+0x20/0x20
[ 51.886185][ T291] dump_stack+0x15/0x20
[ 51.891356][ T291] should_fail+0x3ab/0x500
[ 51.896702][ T291] __should_failslab+0xa4/0xe0
[ 51.901727][ T291] should_failslab+0x9/0x20
[ 51.906288][ T291] slab_pre_alloc_hook+0x39/0xd0
[ 51.911715][ T291] ? __alloc_skb+0xe4/0x730
[ 51.916517][ T291] kmem_cache_alloc+0x44/0x260
[ 51.921308][ T291] __alloc_skb+0xe4/0x730
[ 51.925662][ T291] mld_newpack+0x143/0x9e0
[ 51.930101][ T291] ? mld_sendpack+0xba0/0xba0
[ 51.935351][ T291] ? add_grec+0x1340/0x1340
[ 51.939898][ T291] ? add_grec+0xf70/0x1340
[ 51.944785][ T291] add_grec+0xee8/0x1340
[ 51.949681][ T291] ? __kasan_check_write+0x14/0x20
[ 51.955115][ T291] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 51.962179][ T291] mld_send_initial_cr+0x157/0x320
[ 51.968207][ T291] mld_dad_work+0x3a/0x4e0
[ 51.974182][ T291] process_one_work+0x6c8/0xbb0
[ 51.979574][ T291] worker_thread+0xaa0/0x1250
[ 51.984449][ T291] kthread+0x3f5/0x4f0
[ 51.988940][ T291] ? worker_clr_flags+0x190/0x190
[ 51.994023][ T291] ? kthread_blkcg+0xd0/0xd0
[ 51.998681][ T291] ret_from_fork+0x1f/0x30
[ 52.003218][ T291]
[ 52.006353][ T291] FAULT_INJECTION: forcing a failure.
[ 52.006353][ T291] name failslab, interval 1, probability 1, space 0, times 43
[ 52.020527][ T291] CPU: 1 PID: 291 Comm: kworker/1:2 Tainted: G W syzkaller #0
[ 52.030500][ T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 52.030887][ T58] FAULT_INJECTION: forcing a failure.
[ 52.030887][ T58] name failslab, interval 1, probability 1, space 0, times 43
[ 52.041039][ T291] Workqueue: mld mld_dad_work
[ 52.041070][ T291] Call Trace:
[ 52.041078][ T291]
[ 52.041086][ T291] __dump_stack+0x21/0x30
[ 52.069832][ T291] dump_stack_lvl+0x110/0x170
[ 52.074758][ T291] ? show_regs_print_info+0x20/0x20
[ 52.080172][ T291] dump_stack+0x15/0x20
[ 52.084534][ T291] should_fail+0x3ab/0x500
[ 52.089699][ T291] __should_failslab+0xa4/0xe0
[ 52.094484][ T291] should_failslab+0x9/0x20
[ 52.099106][ T291] slab_pre_alloc_hook+0x39/0xd0
[ 52.104069][ T291] ? __alloc_skb+0xe4/0x730
[ 52.109371][ T291] kmem_cache_alloc+0x44/0x260
[ 52.114936][ T291] __alloc_skb+0xe4/0x730
[ 52.119379][ T291] mld_newpack+0x143/0x9e0
[ 52.123818][ T291] ? mld_sendpack+0xba0/0xba0
[ 52.128777][ T291] ? add_grec+0x1340/0x1340
[ 52.133385][ T291] ? add_grec+0xf70/0x1340
[ 52.137860][ T291] add_grec+0xee8/0x1340
[ 52.142225][ T291] ? __kasan_check_write+0x14/0x20
[ 52.147794][ T291] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 52.153903][ T291] mld_send_initial_cr+0x157/0x320
[ 52.159044][ T291] mld_dad_work+0x3a/0x4e0
[ 52.163622][ T291] process_one_work+0x6c8/0xbb0
[ 52.168498][ T291] worker_thread+0xaa0/0x1250
[ 52.173295][ T291] kthread+0x3f5/0x4f0
[ 52.178077][ T291] ? worker_clr_flags+0x190/0x190
[ 52.183118][ T291] ? kthread_blkcg+0xd0/0xd0
[ 52.187867][ T291] ret_from_fork+0x1f/0x30
[ 52.192360][ T291]
[ 52.195494][ T58] CPU: 0 PID: 58 Comm: kworker/0:2 Tainted: G W syzkaller #0
[ 52.204994][ T58] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 52.215454][ T58] Workqueue: ipv6_addrconf addrconf_dad_work
[ 52.221659][ T58] Call Trace:
[ 52.224980][ T58]
[ 52.228093][ T58] __dump_stack+0x21/0x30
[ 52.232756][ T58] dump_stack_lvl+0x110/0x170
[ 52.237453][ T58] ? show_regs_print_info+0x20/0x20
[ 52.243673][ T58] dump_stack+0x15/0x20
[ 52.247972][ T58] should_fail+0x3ab/0x500
[ 52.252500][ T58] __should_failslab+0xa4/0xe0
[ 52.257382][ T58] should_failslab+0x9/0x20
[ 52.261913][ T58] slab_pre_alloc_hook+0x39/0xd0
[ 52.266895][ T58] ? __alloc_skb+0xe4/0x730
[ 52.272489][ T58] kmem_cache_alloc+0x44/0x260
[ 52.277557][ T58] __alloc_skb+0xe4/0x730
[ 52.281931][ T58] inet6_rt_notify+0x293/0x480
[ 52.286749][ T58] ? rt6_nh_dump_exceptions+0x6b0/0x6b0
[ 52.292936][ T58] ? call_fib_notifiers+0xa0/0xc0
[ 52.298264][ T58] fib6_add+0x223f/0x3d70
[ 52.302625][ T58] ? fib6_update_sernum_stub+0x190/0x190
[ 52.308618][ T58] ? __kasan_check_write+0x14/0x20
[ 52.314054][ T58] ? _raw_spin_lock_bh+0x94/0xf0
[ 52.319550][ T58] ip6_ins_rt+0xd3/0x130
[ 52.320785][ T323] FAULT_INJECTION: forcing a failure.
[ 52.320785][ T323] name failslab, interval 1, probability 1, space 0, times 42
[ 52.324385][ T58] ? rt6_lookup+0x220/0x220
[ 52.324410][ T58] ? rtnl_notify+0x9a/0xc0
[ 52.352517][ T58] __ipv6_ifa_notify+0x4df/0xe70
[ 52.357616][ T58] ? _raw_write_lock_irq+0xf0/0xf0
[ 52.362852][ T58] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 52.368684][ T58] ? __local_bh_enable_ip+0x58/0x80
[ 52.373916][ T58] ? __kasan_check_write+0x14/0x20
[ 52.379151][ T58] ? try_to_grab_pending+0x1a4/0x580
[ 52.384549][ T58] ? __mutex_lock_slowpath+0x10/0x10
[ 52.389857][ T58] ? mod_delayed_work_on+0xe0/0xe0
[ 52.395357][ T58] ? node_free_rcu+0x30/0x30
[ 52.400050][ T58] ? __kasan_check_write+0x14/0x20
[ 52.405451][ T58] ? __cancel_work+0x198/0x200
[ 52.410326][ T58] addrconf_dad_completed+0x182/0xe20
[ 52.415907][ T58] ? __kasan_check_write+0x14/0x20
[ 52.421038][ T58] ? addrconf_dad_stop+0x440/0x440
[ 52.426360][ T58] ? mod_delayed_work_on+0xa8/0xe0
[ 52.431860][ T58] addrconf_dad_work+0xc4c/0x1510
[ 52.437192][ T58] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 52.442693][ T58] ? __kasan_check_write+0x14/0x20
[ 52.447823][ T58] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 52.454025][ T58] process_one_work+0x6c8/0xbb0
[ 52.458902][ T58] worker_thread+0xaa0/0x1250
[ 52.463598][ T58] kthread+0x3f5/0x4f0
[ 52.467685][ T58] ? worker_clr_flags+0x190/0x190
[ 52.472897][ T58] ? kthread_blkcg+0xd0/0xd0
[ 52.477586][ T58] ret_from_fork+0x1f/0x30
[ 52.482227][ T58]
[ 52.485371][ T323] CPU: 1 PID: 323 Comm: kworker/1:4 Tainted: G W syzkaller #0
[ 52.491257][ T101] FAULT_INJECTION: forcing a failure.
[ 52.491257][ T101] name failslab, interval 1, probability 1, space 0, times 41
[ 52.494163][ T323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 52.494180][ T323] Workqueue: mld mld_dad_work
[ 52.494204][ T323] Call Trace:
[ 52.494210][ T323]
[ 52.494218][ T323] __dump_stack+0x21/0x30
[ 52.494239][ T323] dump_stack_lvl+0x110/0x170
[ 52.494256][ T323] ? show_regs_print_info+0x20/0x20
[ 52.494277][ T323] dump_stack+0x15/0x20
[ 52.494294][ T323] should_fail+0x3ab/0x500
[ 52.494315][ T323] __should_failslab+0xa4/0xe0
[ 52.511684][ T322] FAULT_INJECTION: forcing a failure.
[ 52.511684][ T322] name failslab, interval 1, probability 1, space 0, times 41
[ 52.518086][ T323] should_failslab+0x9/0x20
[ 52.518115][ T323] slab_pre_alloc_hook+0x39/0xd0
[ 52.583160][ T323] ? __alloc_skb+0xe4/0x730
[ 52.587825][ T323] kmem_cache_alloc+0x44/0x260
[ 52.592648][ T323] __alloc_skb+0xe4/0x730
[ 52.597000][ T323] mld_newpack+0x143/0x9e0
[ 52.601458][ T323] ? mld_sendpack+0xba0/0xba0
[ 52.606147][ T323] add_grec+0xee8/0x1340
[ 52.610431][ T323] ? __kasan_check_write+0x14/0x20
[ 52.615558][ T323] ? __kasan_check_write+0x14/0x20
[ 52.620725][ T323] mld_send_initial_cr+0x157/0x320
[ 52.625849][ T323] mld_dad_work+0x3a/0x4e0
[ 52.630276][ T323] process_one_work+0x6c8/0xbb0
[ 52.635526][ T323] worker_thread+0xaa0/0x1250
[ 52.640235][ T323] ? __kasan_check_read+0x11/0x20
[ 52.645281][ T323] kthread+0x3f5/0x4f0
[ 52.649459][ T323] ? worker_clr_flags+0x190/0x190
[ 52.654588][ T323] ? kthread_blkcg+0xd0/0xd0
[ 52.659192][ T323] ret_from_fork+0x1f/0x30
[ 52.663715][ T323]
[ 52.667555][ T101] CPU: 1 PID: 101 Comm: udevd Tainted: G W syzkaller #0
[ 52.675843][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 52.685937][ T101] Call Trace:
[ 52.689328][ T101]
[ 52.692273][ T101] __dump_stack+0x21/0x30
[ 52.696639][ T101] dump_stack_lvl+0x110/0x170
[ 52.701782][ T101] ? show_regs_print_info+0x20/0x20
[ 52.707002][ T101] dump_stack+0x15/0x20
[ 52.711184][ T101] should_fail+0x3ab/0x500
[ 52.715714][ T101] __should_failslab+0xa4/0xe0
[ 52.720588][ T101] should_failslab+0x9/0x20
[ 52.725106][ T101] slab_pre_alloc_hook+0x39/0xd0
[ 52.730062][ T101] ? getname_flags+0xba/0x510
[ 52.734753][ T101] kmem_cache_alloc+0x44/0x260
[ 52.739626][ T101] ? __kasan_check_write+0x14/0x20
[ 52.744758][ T101] getname_flags+0xba/0x510
[ 52.749273][ T101] getname+0x19/0x20
[ 52.753278][ T101] do_sys_openat2+0xeb/0x7f0
[ 52.757909][ T101] ? do_sys_open+0xe0/0xe0
[ 52.762352][ T101] __x64_sys_openat+0x136/0x160
[ 52.767238][ T101] x64_sys_call+0x219/0x9a0
[ 52.771770][ T101] do_syscall_64+0x4c/0xa0
[ 52.776206][ T101] ? clear_bhb_loop+0x50/0xa0
[ 52.781200][ T101] ? clear_bhb_loop+0x50/0xa0
[ 52.786229][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 52.792434][ T101] RIP: 0033:0x7f0c767bc407
[ 52.796903][ T101] 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
[ 52.816727][ T101] RSP: 002b:00007fffb0a52910 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
[ 52.825300][ T101] RAX: ffffffffffffffda RBX: 00007f0c766ce880 RCX: 00007f0c767bc407
[ 52.833316][ T101] RDX: 0000000000080141 RSI: 0000558c6bc6e02e RDI: ffffffffffffff9c
[ 52.841312][ T101] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 52.849302][ T101] R10: 00000000000001a4 R11: 0000000000000202 R12: 00000000ffffffff
[ 52.857310][ T101] R13: 00000000ffffffff R14: ffffffffffffffff R15: 0000000000000000
[ 52.865485][ T101]
[ 52.868583][ T322] CPU: 0 PID: 322 Comm: kworker/0:3 Tainted: G W syzkaller #0
[ 52.873694][ T101] udevd[101]: could not touch /run/udev/queue: Cannot allocate memory
[ 52.877381][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 52.877399][ T322] Workqueue: ipv6_addrconf addrconf_dad_work
[ 52.877429][ T322] Call Trace:
[ 52.877435][ T322]
[ 52.908275][ T322] __dump_stack+0x21/0x30
[ 52.912666][ T322] dump_stack_lvl+0x110/0x170
[ 52.917362][ T322] ? show_regs_print_info+0x20/0x20
[ 52.922586][ T322] ? prandom_u32+0x24d/0x290
[ 52.927258][ T322] dump_stack+0x15/0x20
[ 52.932040][ T322] should_fail+0x3ab/0x500
[ 52.936488][ T322] __should_failslab+0xa4/0xe0
[ 52.941274][ T322] should_failslab+0x9/0x20
[ 52.945835][ T322] slab_pre_alloc_hook+0x39/0xd0
[ 52.950798][ T322] ? dst_alloc+0x15c/0x1d0
[ 52.955266][ T322] kmem_cache_alloc+0x44/0x260
[ 52.960086][ T322] ? ipv6_sysctl_rtcache_flush+0x100/0x100
[ 52.965927][ T322] dst_alloc+0x15c/0x1d0
[ 52.970190][ T322] icmp6_dst_alloc+0xec/0x520
[ 52.975016][ T322] ? security_sk_classify_flow+0x7b/0x90
[ 52.980685][ T322] ? icmpv6_flow_init+0xd2/0x130
[ 52.985749][ T322] mld_sendpack+0x4d9/0xba0
[ 52.990275][ T322] ? add_grec+0x1340/0x1340
[ 52.994793][ T322] ? add_grec+0xf70/0x1340
[ 52.999217][ T322] ? memcpy+0x56/0x70
[ 53.003236][ T322] ? __kasan_check_write+0x14/0x20
[ 53.008360][ T322] mld_send_initial_cr+0x1c0/0x320
[ 53.013502][ T322] ipv6_mc_dad_complete+0x87/0x450
[ 53.018685][ T322] addrconf_dad_completed+0x73d/0xe20
[ 53.024335][ T322] ? addrconf_dad_stop+0x440/0x440
[ 53.029557][ T322] addrconf_dad_work+0xc4c/0x1510
[ 53.034782][ T322] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 53.040087][ T322] ? __kasan_check_write+0x14/0x20
[ 53.045404][ T322] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 53.051336][ T322] process_one_work+0x6c8/0xbb0
[ 53.056292][ T322] worker_thread+0xaa0/0x1250
[ 53.060998][ T322] ? __kasan_check_read+0x11/0x20
[ 53.066046][ T322] kthread+0x3f5/0x4f0
[ 53.070304][ T322] ? worker_clr_flags+0x190/0x190
[ 53.075560][ T322] ? kthread_blkcg+0xd0/0xd0
[ 53.080166][ T322] ret_from_fork+0x1f/0x30
[ 53.084824][ T322]
[ 53.088914][ T291] FAULT_INJECTION: forcing a failure.
[ 53.088914][ T291] name failslab, interval 1, probability 1, space 0, times 38
[ 53.101944][ T291] CPU: 1 PID: 291 Comm: kworker/1:2 Tainted: G W syzkaller #0
[ 53.110827][ T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 53.121101][ T291] Workqueue: ipv6_addrconf addrconf_dad_work
[ 53.127484][ T291] Call Trace:
[ 53.130775][ T291]
[ 53.134111][ T291] __dump_stack+0x21/0x30
[ 53.138611][ T291] dump_stack_lvl+0x110/0x170
[ 53.143301][ T291] ? show_regs_print_info+0x20/0x20
[ 53.148504][ T291] ? prandom_u32+0x24d/0x290
[ 53.153244][ T291] dump_stack+0x15/0x20
[ 53.157759][ T291] should_fail+0x3ab/0x500
[ 53.162242][ T291] __should_failslab+0xa4/0xe0
[ 53.167040][ T291] should_failslab+0x9/0x20
[ 53.171643][ T291] slab_pre_alloc_hook+0x39/0xd0
[ 53.176758][ T291] ? fib6_add+0x9a0/0x3d70
[ 53.181266][ T291] kmem_cache_alloc+0x44/0x260
[ 53.186313][ T291] fib6_add+0x9a0/0x3d70
[ 53.190615][ T291] ? fib6_update_sernum_stub+0x190/0x190
[ 53.196256][ T291] ? __kasan_check_write+0x14/0x20
[ 53.201381][ T291] ? _raw_spin_lock_bh+0x94/0xf0
[ 53.206344][ T291] ? _raw_spin_lock_irq+0xf0/0xf0
[ 53.211372][ T291] ip6_ins_rt+0xd3/0x130
[ 53.215617][ T291] ? rt6_lookup+0x220/0x220
[ 53.220147][ T291] ? rtnl_notify+0x9a/0xc0
[ 53.224675][ T291] __ipv6_ifa_notify+0x4df/0xe70
[ 53.229834][ T291] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 53.235651][ T291] ? __local_bh_enable_ip+0x58/0x80
[ 53.240858][ T291] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 53.247626][ T291] ? __kasan_check_write+0x14/0x20
[ 53.252742][ T291] ? try_to_grab_pending+0x1a4/0x580
[ 53.258057][ T291] ? __mutex_lock_slowpath+0x10/0x10
[ 53.263962][ T291] ? mod_delayed_work_on+0xe0/0xe0
[ 53.269092][ T291] ? node_free_rcu+0x30/0x30
[ 53.273690][ T291] ? __kasan_check_write+0x14/0x20
[ 53.278905][ T291] ? __cancel_work+0x198/0x200
[ 53.283858][ T291] addrconf_dad_completed+0x182/0xe20
[ 53.289246][ T291] ? __kasan_check_write+0x14/0x20
[ 53.294567][ T291] ? addrconf_dad_stop+0x440/0x440
[ 53.299794][ T291] ? mod_delayed_work_on+0xa8/0xe0
[ 53.305362][ T291] addrconf_dad_work+0xc4c/0x1510
[ 53.310693][ T291] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 53.316211][ T291] ? __kasan_check_write+0x14/0x20
[ 53.321375][ T291] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 53.327341][ T291] process_one_work+0x6c8/0xbb0
[ 53.332666][ T291] worker_thread+0xaa0/0x1250
[ 53.338350][ T291] kthread+0x3f5/0x4f0
[ 53.342458][ T291] ? worker_clr_flags+0x190/0x190
[ 53.347872][ T291] ? kthread_blkcg+0xd0/0xd0
[ 53.352766][ T291] ret_from_fork+0x1f/0x30
[ 53.358409][ T291]
[ 53.367813][ T323] FAULT_INJECTION: forcing a failure.
[ 53.367813][ T323] name failslab, interval 1, probability 1, space 0, times 37
[ 53.381985][ T323] CPU: 1 PID: 323 Comm: kworker/1:4 Tainted: G W syzkaller #0
[ 53.391213][ T323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 53.401282][ T323] Workqueue: ipv6_addrconf addrconf_dad_work
[ 53.407280][ T323] Call Trace:
[ 53.410586][ T323]
[ 53.413929][ T323] __dump_stack+0x21/0x30
[ 53.418580][ T323] dump_stack_lvl+0x110/0x170
[ 53.423295][ T323] ? show_regs_print_info+0x20/0x20
[ 53.428513][ T323] dump_stack+0x15/0x20
[ 53.432672][ T323] should_fail+0x3ab/0x500
[ 53.437181][ T323] __should_failslab+0xa4/0xe0
[ 53.442089][ T323] should_failslab+0x9/0x20
[ 53.446633][ T323] slab_pre_alloc_hook+0x39/0xd0
[ 53.451596][ T323] ? __alloc_skb+0xe4/0x730
[ 53.456115][ T323] kmem_cache_alloc+0x44/0x260
[ 53.460906][ T323] __alloc_skb+0xe4/0x730
[ 53.465441][ T323] __ipv6_ifa_notify+0x200/0xe70
[ 53.470401][ T323] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 53.476223][ T323] ? __local_bh_enable_ip+0x58/0x80
[ 53.481435][ T323] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 53.488220][ T323] ? __kasan_check_write+0x14/0x20
[ 53.493467][ T323] ? try_to_grab_pending+0x1a4/0x580
[ 53.498768][ T323] ? __mutex_lock_slowpath+0x10/0x10
[ 53.504080][ T323] ? mod_delayed_work_on+0xe0/0xe0
[ 53.509215][ T323] ? node_free_rcu+0x30/0x30
[ 53.513865][ T323] ? __kasan_check_write+0x14/0x20
[ 53.519044][ T323] ? __cancel_work+0x198/0x200
[ 53.523833][ T323] addrconf_dad_completed+0x182/0xe20
[ 53.529239][ T323] ? __kasan_check_write+0x14/0x20
[ 53.534366][ T323] ? addrconf_dad_stop+0x440/0x440
[ 53.539613][ T323] addrconf_dad_work+0xc4c/0x1510
[ 53.544664][ T323] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 53.550410][ T323] ? __kasan_check_write+0x14/0x20
[ 53.556140][ T323] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 53.562212][ T323] process_one_work+0x6c8/0xbb0
[ 53.567271][ T323] worker_thread+0xaa0/0x1250
[ 53.572040][ T323] ? __kasan_check_read+0x11/0x20
[ 53.577122][ T323] kthread+0x3f5/0x4f0
[ 53.581241][ T323] ? worker_clr_flags+0x190/0x190
[ 53.586758][ T323] ? kthread_blkcg+0xd0/0xd0
[ 53.591705][ T323] ret_from_fork+0x1f/0x30
[ 53.592162][ C0] FAULT_INJECTION: forcing a failure.
[ 53.592162][ C0] name failslab, interval 1, probability 1, space 0, times 37
[ 53.596250][ T323]
[ 53.612402][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W syzkaller #0
[ 53.612680][ C1] FAULT_INJECTION: forcing a failure.
[ 53.612680][ C1] name failslab, interval 1, probability 1, space 0, times 37
[ 53.620934][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 53.644254][ C0] Call Trace:
[ 53.647553][ C0]
[ 53.650436][ C0] __dump_stack+0x21/0x30
[ 53.654784][ C0] dump_stack_lvl+0x110/0x170
[ 53.659673][ C0] ? show_regs_print_info+0x20/0x20
[ 53.664886][ C0] ? prandom_u32+0x24d/0x290
[ 53.669492][ C0] dump_stack+0x15/0x20
[ 53.673670][ C0] should_fail+0x3ab/0x500
[ 53.678110][ C0] __should_failslab+0xa4/0xe0
[ 53.683087][ C0] should_failslab+0x9/0x20
[ 53.687783][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 53.692911][ C0] ? dst_alloc+0x15c/0x1d0
[ 53.697360][ C0] kmem_cache_alloc+0x44/0x260
[ 53.702172][ C0] ? ipv6_sysctl_rtcache_flush+0x100/0x100
[ 53.708006][ C0] dst_alloc+0x15c/0x1d0
[ 53.712288][ C0] icmp6_dst_alloc+0xec/0x520
[ 53.717118][ C0] ? security_sk_classify_flow+0x7b/0x90
[ 53.722779][ C0] ? icmpv6_flow_init+0xd2/0x130
[ 53.727746][ C0] ndisc_send_skb+0x2a9/0xcf0
[ 53.732441][ C0] ? ndisc_alloc_skb+0x290/0x290
[ 53.737578][ C0] ? ndisc_send_rs+0x61f/0x960
[ 53.742523][ C0] ? memcpy+0x56/0x70
[ 53.746549][ C0] ndisc_send_rs+0x711/0x960
[ 53.751175][ C0] addrconf_rs_timer+0x35a/0x600
[ 53.756143][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 53.762237][ C0] ? _raw_spin_lock_irqsave+0x130/0x130
[ 53.767895][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 53.774003][ C0] call_timer_fn+0x38/0x290
[ 53.778821][ C0] ? addrconf_disable_policy_idev+0x360/0x360
[ 53.785207][ C0] __run_timers+0x637/0x9a0
[ 53.789754][ C0] ? calc_index+0x200/0x200
[ 53.794551][ C0] ? sched_clock_cpu+0x18/0x3d0
[ 53.799781][ C0] run_timer_softirq+0x6a/0xf0
[ 53.804587][ C0] handle_softirqs+0x250/0x560
[ 53.809390][ C0] ? irqtime_account_irq+0xbe/0x390
[ 53.814829][ C0] __irq_exit_rcu+0x52/0xf0
[ 53.819379][ C0] irq_exit_rcu+0x9/0x10
[ 53.824277][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 53.830098][ C0]
[ 53.833497][ C0]
[ 53.836466][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 53.842488][ C0] RIP: 0010:default_idle+0xf/0x20
[ 53.847680][ C0] Code: 8c 4b ff ff ff 4c 89 f7 e8 8e 7a f5 fc e9 3e ff ff ff 00 00 cc cc 00 00 cc cc 00 55 48 89 e5 66 90 0f 00 2d c3 b2 51 00 fb f4 <5d> c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41
[ 53.867964][ C0] RSP: 0018:ffffffff86607d78 EFLAGS: 00000242
[ 53.874426][ C0] RAX: 0000000000002994 RBX: ffffffff8661c400 RCX: 0000000000002994
[ 53.882597][ C0] RDX: 0000000000000001 RSI: ffffffff85638320 RDI: ffffffff856382e0
[ 53.890861][ C0] RBP: ffffffff86607d78 R08: ffff8881f7038c73 R09: 1ffff1103ee0718e
[ 53.898872][ C0] R10: dffffc0000000000 R11: ffffed103ee0718f R12: 0000000000000000
[ 53.906967][ C0] R13: 1ffffffff0cc3880 R14: dffffc0000000000 R15: dffffc0000000000
[ 53.914979][ C0] arch_cpu_idle+0xa/0x10
[ 53.919458][ C0] default_idle_call+0x71/0x1d0
[ 53.924349][ C0] do_idle+0x368/0x620
[ 53.928453][ C0] ? idle_inject_timer_fn+0x60/0x60
[ 53.933883][ C0] ? do_idle+0x6/0x620
[ 53.938092][ C0] cpu_startup_entry+0x18/0x20
[ 53.942892][ C0] rest_init+0x10a/0x130
[ 53.947171][ C0] ? time_init+0x40/0x40
[ 53.951445][ C0] arch_call_rest_init+0xe/0x10
[ 53.956334][ C0] start_kernel+0x46d/0x4e0
[ 53.960876][ C0] x86_64_start_reservations+0x2a/0x30
[ 53.966466][ C0] x86_64_start_kernel+0x5b/0x60
[ 53.971616][ C0] secondary_startup_64_no_verify+0xb1/0xbb
[ 53.977548][ C0]
[ 53.980859][ C1] CPU: 1 PID: 323 Comm: kworker/1:4 Tainted: G W syzkaller #0
[ 53.989828][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 54.000088][ C1] Workqueue: ipv6_addrconf addrconf_dad_work
[ 54.006451][ C1] Call Trace:
[ 54.009840][ C1]
[ 54.012730][ C1] __dump_stack+0x21/0x30
[ 54.017710][ C1] dump_stack_lvl+0x110/0x170
[ 54.023075][ C1] ? show_regs_print_info+0x20/0x20
[ 54.029053][ C1] dump_stack+0x15/0x20
[ 54.034122][ C1] should_fail+0x3ab/0x500
[ 54.038882][ C1] __should_failslab+0xa4/0xe0
[ 54.044824][ C1] should_failslab+0x9/0x20
[ 54.049815][ C1] slab_pre_alloc_hook+0x39/0xd0
[ 54.054980][ C1] ? skb_clone+0x1c7/0x370
[ 54.059654][ C1] kmem_cache_alloc+0x44/0x260
[ 54.064824][ C1] skb_clone+0x1c7/0x370
[ 54.069521][ C1] maybe_deliver+0x1ad/0x2b0
[ 54.074164][ C1] br_flood+0x2ea/0x420
[ 54.078440][ C1] br_dev_xmit+0xc57/0x1090
[ 54.084317][ C1] ? br_net_exit+0x1c0/0x1c0
[ 54.089648][ C1] ? netdev_rx_csum_fault+0x40/0x40
[ 54.095061][ C1] ? netif_skb_features+0x6d4/0xa10
[ 54.100512][ C1] dev_hard_start_xmit+0x245/0x680
[ 54.106491][ C1] __dev_queue_xmit+0x17a3/0x2d60
[ 54.111600][ C1] ? dev_queue_xmit+0x20/0x20
[ 54.116386][ C1] ? arch_stack_walk+0x108/0x140
[ 54.121347][ C1] ? __kasan_check_read+0x11/0x20
[ 54.126384][ C1] ? selinux_ip_postroute+0x2d9/0xf80
[ 54.131775][ C1] ? ip6_finish_output2+0xeb8/0x1790
[ 54.137071][ C1] dev_queue_xmit+0x17/0x20
[ 54.141589][ C1] ip6_finish_output2+0x1097/0x1790
[ 54.147012][ C1] ? __ip6_finish_output+0x7e0/0x7e0
[ 54.152399][ C1] ? ip6t_do_table+0x1355/0x1510
[ 54.157355][ C1] __ip6_finish_output+0x621/0x7e0
[ 54.162485][ C1] ip6_finish_output+0x31/0x220
[ 54.167720][ C1] ? ip6_output+0x3ea/0x410
[ 54.172260][ C1] ip6_output+0x1fa/0x410
[ 54.177788][ C1] ? ac6_seq_show+0xf0/0xf0
[ 54.182570][ C1] ? ip6_output+0x410/0x410
[ 54.187484][ C1] ndisc_send_skb+0x7f6/0xcf0
[ 54.192209][ C1] ? kthread+0x3f5/0x4f0
[ 54.196606][ C1] ? ret_from_fork+0x1f/0x30
[ 54.201255][ C1] ? ndisc_alloc_skb+0x290/0x290
[ 54.206225][ C1] ? ndisc_error_report+0xc0/0xc0
[ 54.211280][ C1] ? ndisc_send_rs+0x61f/0x960
[ 54.216059][ C1] ? memcpy+0x56/0x70
[ 54.220150][ C1] ndisc_send_rs+0x711/0x960
[ 54.224862][ C1] addrconf_rs_timer+0x35a/0x600
[ 54.230339][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 54.236480][ C1] ? _raw_spin_lock_irqsave+0x130/0x130
[ 54.242056][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 54.248155][ C1] call_timer_fn+0x38/0x290
[ 54.252888][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 54.259193][ C1] __run_timers+0x637/0x9a0
[ 54.264697][ C1] ? calc_index+0x200/0x200
[ 54.269381][ C1] ? sched_clock_cpu+0x18/0x3d0
[ 54.274456][ C1] run_timer_softirq+0x6a/0xf0
[ 54.279890][ C1] handle_softirqs+0x250/0x560
[ 54.284997][ C1] __irq_exit_rcu+0x52/0xf0
[ 54.289875][ C1] irq_exit_rcu+0x9/0x10
[ 54.294356][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 54.300129][ C1]
[ 54.303177][ C1]
[ 54.306365][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 54.312818][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170
[ 54.319018][ C1] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be 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
[ 54.339943][ C1] RSP: 0018:ffffc900009e76a0 EFLAGS: 00000293
[ 54.346234][ C1] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: ffff88810dd393c0
[ 54.354434][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000
[ 54.362623][ C1] RBP: ffffc900009e7738 R08: 0000000000000003 R09: 0000000000000004
[ 54.370809][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000
[ 54.378924][ C1] R13: 0000000000000200 R14: 0000000000000001 R15: 1ffff9200013ced4
[ 54.386948][ C1] ? dump_stack_lvl+0x13b/0x170
[ 54.392068][ C1] ? show_regs_print_info+0x20/0x20
[ 54.397311][ C1] dump_stack+0x15/0x20
[ 54.401591][ C1] should_fail+0x3ab/0x500
[ 54.406036][ C1] __should_failslab+0xa4/0xe0
[ 54.410929][ C1] should_failslab+0x9/0x20
[ 54.415622][ C1] slab_pre_alloc_hook+0x39/0xd0
[ 54.420673][ C1] ? __alloc_skb+0xe4/0x730
[ 54.425696][ C1] kmem_cache_alloc+0x44/0x260
[ 54.430497][ C1] __alloc_skb+0xe4/0x730
[ 54.434856][ C1] __ipv6_ifa_notify+0x200/0xe70
[ 54.440100][ C1] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 54.446070][ C1] ? __local_bh_enable_ip+0x58/0x80
[ 54.451409][ C1] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 54.458887][ C1] ? __kasan_check_write+0x14/0x20
[ 54.464257][ C1] ? try_to_grab_pending+0x1a4/0x580
[ 54.469588][ C1] ? __mutex_lock_slowpath+0x10/0x10
[ 54.474903][ C1] ? mod_delayed_work_on+0xe0/0xe0
[ 54.480036][ C1] ? node_free_rcu+0x30/0x30
[ 54.484839][ C1] ? __kasan_check_write+0x14/0x20
[ 54.490350][ C1] ? __cancel_work+0x198/0x200
[ 54.495144][ C1] addrconf_dad_completed+0x182/0xe20
[ 54.500679][ C1] ? __kasan_check_write+0x14/0x20
[ 54.505838][ C1] ? addrconf_dad_stop+0x440/0x440
[ 54.510984][ C1] addrconf_dad_work+0xc4c/0x1510
[ 54.516047][ C1] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 54.521382][ C1] ? __kasan_check_write+0x14/0x20
[ 54.526524][ C1] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 54.532910][ C1] process_one_work+0x6c8/0xbb0
[ 54.537819][ C1] worker_thread+0xaa0/0x1250
[ 54.542539][ C1] ? __kasan_check_read+0x11/0x20
[ 54.547604][ C1] kthread+0x3f5/0x4f0
[ 54.551689][ C1] ? worker_clr_flags+0x190/0x190
[ 54.557108][ C1] ? kthread_blkcg+0xd0/0xd0
[ 54.561820][ C1] ret_from_fork+0x1f/0x30
[ 54.566270][ C1]
[ 54.570232][ T323] FAULT_INJECTION: forcing a failure.
[ 54.570232][ T323] name failslab, interval 1, probability 1, space 0, times 34
[ 54.583192][ T323] CPU: 1 PID: 323 Comm: kworker/1:4 Tainted: G W syzkaller #0
[ 54.595024][ T323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 54.606443][ T323] Workqueue: ipv6_addrconf addrconf_dad_work
[ 54.612461][ T323] Call Trace:
[ 54.615780][ T323]
[ 54.618738][ T323] __dump_stack+0x21/0x30
[ 54.623306][ T323] dump_stack_lvl+0x110/0x170
[ 54.628047][ T323] ? show_regs_print_info+0x20/0x20
[ 54.633282][ T323] ? prandom_u32+0x24d/0x290
[ 54.638458][ T323] dump_stack+0x15/0x20
[ 54.642662][ T323] should_fail+0x3ab/0x500
[ 54.647099][ T323] __should_failslab+0xa4/0xe0
[ 54.652065][ T323] should_failslab+0x9/0x20
[ 54.656584][ T323] slab_pre_alloc_hook+0x39/0xd0
[ 54.662069][ T323] ? fib6_add+0x92d/0x3d70
[ 54.666842][ T323] kmem_cache_alloc+0x44/0x260
[ 54.672541][ T323] fib6_add+0x92d/0x3d70
[ 54.679240][ T323] ? show_regs_print_info+0x20/0x20
[ 54.684481][ T323] ? fib6_update_sernum_stub+0x190/0x190
[ 54.690796][ T323] ? __kasan_check_write+0x14/0x20
[ 54.696033][ T323] ? _raw_spin_lock_bh+0x94/0xf0
[ 54.701260][ T323] ? _raw_spin_lock_irq+0xf0/0xf0
[ 54.706307][ T323] ? _raw_read_lock_irqsave+0x94/0xf0
[ 54.712686][ T323] ? _raw_read_lock+0x40/0x40
[ 54.717498][ T323] ip6_ins_rt+0xd3/0x130
[ 54.722064][ T323] ? rt6_lookup+0x220/0x220
[ 54.726615][ T323] __ipv6_ifa_notify+0x4df/0xe70
[ 54.731868][ T323] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 54.737646][ T323] ? __local_bh_enable_ip+0x58/0x80
[ 54.743426][ T323] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 54.750239][ T323] ? __kasan_check_write+0x14/0x20
[ 54.755598][ T323] ? try_to_grab_pending+0x1a4/0x580
[ 54.761362][ T323] ? __mutex_lock_slowpath+0x10/0x10
[ 54.766681][ T323] ? mod_delayed_work_on+0xe0/0xe0
[ 54.772346][ T323] ? node_free_rcu+0x30/0x30
[ 54.776968][ T323] ? __kasan_check_write+0x14/0x20
[ 54.782376][ T323] ? __cancel_work+0x198/0x200
[ 54.787166][ T323] addrconf_dad_completed+0x182/0xe20
[ 54.792561][ T323] ? __kasan_check_write+0x14/0x20
[ 54.797704][ T323] ? addrconf_dad_stop+0x440/0x440
[ 54.802936][ T323] addrconf_dad_work+0xc4c/0x1510
[ 54.808005][ T323] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 54.813332][ T323] ? __kasan_check_write+0x14/0x20
[ 54.818661][ T323] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 54.824586][ T323] process_one_work+0x6c8/0xbb0
[ 54.829476][ T323] worker_thread+0xaa0/0x1250
[ 54.834266][ T323] ? __kasan_check_read+0x11/0x20
[ 54.839858][ T323] kthread+0x3f5/0x4f0
[ 54.843957][ T323] ? worker_clr_flags+0x190/0x190
[ 54.849007][ T323] ? kthread_blkcg+0xd0/0xd0
[ 54.853719][ T323] ret_from_fork+0x1f/0x30
[ 54.858151][ T323]
[ 54.861548][ C1] FAULT_INJECTION: forcing a failure.
[ 54.861548][ C1] name failslab, interval 1, probability 1, space 0, times 33
[ 54.874518][ C1] CPU: 1 PID: 323 Comm: kworker/1:4 Tainted: G W syzkaller #0
[ 54.883574][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 54.894150][ C1] Workqueue: ipv6_addrconf addrconf_dad_work
[ 54.900159][ C1] Call Trace:
[ 54.903445][ C1]
[ 54.906323][ C1] __dump_stack+0x21/0x30
[ 54.911146][ C1] dump_stack_lvl+0x110/0x170
[ 54.916538][ C1] ? show_regs_print_info+0x20/0x20
[ 54.921848][ C1] dump_stack+0x15/0x20
[ 54.926484][ C1] should_fail+0x3ab/0x500
[ 54.930948][ C1] ? ndisc_send_rs+0x310/0x960
[ 54.936022][ C1] __should_failslab+0xa4/0xe0
[ 54.940924][ C1] should_failslab+0x9/0x20
[ 54.945455][ C1] slab_pre_alloc_hook+0x39/0xd0
[ 54.950498][ C1] ? ndisc_send_rs+0x310/0x960
[ 54.955521][ C1] ? ndisc_send_rs+0x310/0x960
[ 54.960886][ C1] __kmalloc_track_caller+0x6c/0x2c0
[ 54.966800][ C1] ? ndisc_send_rs+0x310/0x960
[ 54.971956][ C1] ? ndisc_send_rs+0x310/0x960
[ 54.977084][ C1] __alloc_skb+0x210/0x730
[ 54.981512][ C1] ndisc_send_rs+0x310/0x960
[ 54.986102][ C1] addrconf_rs_timer+0x35a/0x600
[ 54.991039][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 54.997115][ C1] ? _raw_spin_lock_irq+0x95/0xf0
[ 55.002170][ C1] ? _raw_spin_lock_irqsave+0x130/0x130
[ 55.007739][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 55.013809][ C1] call_timer_fn+0x38/0x290
[ 55.018314][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 55.024567][ C1] __run_timers+0x637/0x9a0
[ 55.029083][ C1] ? calc_index+0x200/0x200
[ 55.033632][ C1] ? note_interrupt+0x5a4/0xa10
[ 55.038520][ C1] run_timer_softirq+0x6a/0xf0
[ 55.043390][ C1] handle_softirqs+0x250/0x560
[ 55.048174][ C1] __do_softirq+0xb/0xd
[ 55.052337][ C1] do_softirq+0xdc/0x130
[ 55.056682][ C1]
[ 55.059608][ C1]
[ 55.062549][ C1] ? __local_bh_enable_ip+0x80/0x80
[ 55.067941][ C1] ? _raw_spin_lock_bh+0x94/0xf0
[ 55.073004][ C1] ? _raw_spin_lock_irq+0xf0/0xf0
[ 55.078110][ C1] ? _raw_read_lock_irqsave+0x94/0xf0
[ 55.083483][ C1] __local_bh_enable_ip+0x75/0x80
[ 55.088528][ C1] _raw_spin_unlock_bh+0x51/0x60
[ 55.093462][ C1] ip6_ins_rt+0xdd/0x130
[ 55.097707][ C1] ? rt6_lookup+0x220/0x220
[ 55.102450][ C1] __ipv6_ifa_notify+0x4df/0xe70
[ 55.107499][ C1] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 55.113243][ C1] ? __local_bh_enable_ip+0x58/0x80
[ 55.118555][ C1] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 55.125426][ C1] ? __kasan_check_write+0x14/0x20
[ 55.130546][ C1] ? try_to_grab_pending+0x1a4/0x580
[ 55.135836][ C1] ? __mutex_lock_slowpath+0x10/0x10
[ 55.141124][ C1] ? mod_delayed_work_on+0xe0/0xe0
[ 55.146267][ C1] ? node_free_rcu+0x30/0x30
[ 55.150956][ C1] ? __kasan_check_write+0x14/0x20
[ 55.156062][ C1] ? __cancel_work+0x198/0x200
[ 55.161065][ C1] addrconf_dad_completed+0x182/0xe20
[ 55.166492][ C1] ? __kasan_check_write+0x14/0x20
[ 55.171636][ C1] ? addrconf_dad_stop+0x440/0x440
[ 55.176769][ C1] addrconf_dad_work+0xc4c/0x1510
[ 55.181801][ C1] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 55.187112][ C1] ? __kasan_check_write+0x14/0x20
[ 55.192234][ C1] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 55.198427][ C1] process_one_work+0x6c8/0xbb0
[ 55.203420][ C1] worker_thread+0xaa0/0x1250
[ 55.208193][ C1] ? __kasan_check_read+0x11/0x20
[ 55.213232][ C1] kthread+0x3f5/0x4f0
[ 55.217341][ C1] ? worker_clr_flags+0x190/0x190
[ 55.222371][ C1] ? kthread_blkcg+0xd0/0xd0
[ 55.227112][ C1] ret_from_fork+0x1f/0x30
[ 55.231560][ C1]
[ 55.237119][ T10] FAULT_INJECTION: forcing a failure.
[ 55.237119][ T10] name failslab, interval 1, probability 1, space 0, times 32
[ 55.243294][ T39] FAULT_INJECTION: forcing a failure.
[ 55.243294][ T39] name failslab, interval 1, probability 1, space 0, times 32
[ 55.256585][ T10] CPU: 0 PID: 10 Comm: kworker/u4:1 Tainted: G W syzkaller #0
[ 55.271837][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 55.282010][ T10] Workqueue: netns cleanup_net
[ 55.286895][ T10] Call Trace:
[ 55.290199][ T10]
[ 55.293140][ T10] __dump_stack+0x21/0x30
[ 55.297484][ T10] dump_stack_lvl+0x110/0x170
[ 55.302177][ T10] ? show_regs_print_info+0x20/0x20
[ 55.307389][ T10] ? prandom_u32+0x24d/0x290
[ 55.311995][ T10] dump_stack+0x15/0x20
[ 55.316161][ T10] should_fail+0x3ab/0x500
[ 55.320585][ T10] ? __ipv6_ifa_notify+0x200/0xe70
[ 55.325721][ T10] __should_failslab+0xa4/0xe0
[ 55.330639][ T10] should_failslab+0x9/0x20
[ 55.335335][ T10] slab_pre_alloc_hook+0x39/0xd0
[ 55.340299][ T10] ? __ipv6_ifa_notify+0x200/0xe70
[ 55.345458][ T10] ? __ipv6_ifa_notify+0x200/0xe70
[ 55.350793][ T10] __kmalloc_track_caller+0x6c/0x2c0
[ 55.356286][ T10] ? __ipv6_ifa_notify+0x200/0xe70
[ 55.361537][ T10] ? __ipv6_ifa_notify+0x200/0xe70
[ 55.366719][ T10] __alloc_skb+0x210/0x730
[ 55.371181][ T10] __ipv6_ifa_notify+0x200/0xe70
[ 55.376200][ T10] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 55.382035][ T10] ? kvfree_call_rcu+0x5d3/0x860
[ 55.387065][ T10] ? call_rcu+0xf60/0xf60
[ 55.391421][ T10] ? __kasan_check_write+0x14/0x20
[ 55.396549][ T10] ? try_to_grab_pending+0x1a4/0x580
[ 55.401947][ T10] ? mod_delayed_work_on+0xe0/0xe0
[ 55.407092][ T10] ? __kasan_check_write+0x14/0x20
[ 55.412311][ T10] ? _raw_spin_lock_bh+0x94/0xf0
[ 55.417362][ T10] ? _raw_spin_lock_irq+0xf0/0xf0
[ 55.422405][ T10] ? __kasan_check_write+0x14/0x20
[ 55.427545][ T10] addrconf_ifdown+0xdb1/0x1910
[ 55.432420][ T10] ? addrconf_cleanup+0x1c0/0x1c0
[ 55.437548][ T10] ? __kasan_check_write+0x14/0x20
[ 55.442680][ T10] ? mutex_unlock+0x8f/0x230
[ 55.447289][ T10] ? __mutex_lock_slowpath+0x10/0x10
[ 55.452588][ T10] ? macsec_notify+0x10d/0x4c0
[ 55.457372][ T10] ? nf_nat_masq_schedule+0x4d0/0x4d0
[ 55.462103][ C1] FAULT_INJECTION: forcing a failure.
[ 55.462103][ C1] name failslab, interval 1, probability 1, space 0, times 32
[ 55.462761][ T10] ? masq_device_event+0xd0/0xd0
[ 55.480640][ T10] addrconf_notify+0x3bd/0xe00
[ 55.485434][ T10] raw_notifier_call_chain+0x90/0x100
[ 55.490835][ T10] dev_close_many+0x325/0x4d0
[ 55.495528][ T10] ? __dev_open+0x500/0x500
[ 55.500134][ T10] ? __kasan_check_read+0x11/0x20
[ 55.505185][ T10] unregister_netdevice_many+0x477/0x1a00
[ 55.510922][ T10] ? netdev_run_todo+0x8d9/0x950
[ 55.515878][ T10] ? alloc_netdev_mqs+0xe20/0xe20
[ 55.520915][ T10] ? unregister_netdevice_queue+0x17c/0x320
[ 55.526918][ T10] ? list_netdevice+0x4c0/0x4c0
[ 55.531794][ T10] xfrmi_exit_batch_net+0x20a/0x260
[ 55.537025][ T10] ? xfrmi6_err+0x640/0x640
[ 55.541576][ T10] ? xfrmi6_err+0x640/0x640
[ 55.546178][ T10] cleanup_net+0x605/0xae0
[ 55.550633][ T10] ? ops_init+0x470/0x470
[ 55.555013][ T10] ? __schedule+0xbd7/0x14a0
[ 55.559632][ T10] process_one_work+0x6c8/0xbb0
[ 55.564881][ T10] worker_thread+0xaa0/0x1250
[ 55.569710][ T10] kthread+0x3f5/0x4f0
[ 55.574023][ T10] ? worker_clr_flags+0x190/0x190
[ 55.579087][ T10] ? kthread_blkcg+0xd0/0xd0
[ 55.583896][ T10] ret_from_fork+0x1f/0x30
[ 55.588422][ T10]
[ 55.591461][ C1] CPU: 1 PID: 39 Comm: kworker/1:1 Tainted: G W syzkaller #0
[ 55.600182][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 55.602283][ C0] FAULT_INJECTION: forcing a failure.
[ 55.602283][ C0] name failslab, interval 1, probability 1, space 0, times 32
[ 55.610267][ C1] Workqueue: mld mld_dad_work
[ 55.627637][ C1] Call Trace:
[ 55.630938][ C1]
[ 55.633805][ C1] __dump_stack+0x21/0x30
[ 55.638249][ C1] dump_stack_lvl+0x110/0x170
[ 55.642951][ C1] ? show_regs_print_info+0x20/0x20
[ 55.648350][ C1] ? prandom_u32+0x24d/0x290
[ 55.652982][ C1] dump_stack+0x15/0x20
[ 55.657282][ C1] should_fail+0x3ab/0x500
[ 55.661798][ C1] __should_failslab+0xa4/0xe0
[ 55.666597][ C1] should_failslab+0x9/0x20
[ 55.671126][ C1] slab_pre_alloc_hook+0x39/0xd0
[ 55.676176][ C1] kmem_cache_alloc_trace+0x48/0x270
[ 55.681743][ C1] ? dst_cow_metrics_generic+0x55/0x1c0
[ 55.687648][ C1] dst_cow_metrics_generic+0x55/0x1c0
[ 55.693039][ C1] icmp6_dst_alloc+0x35f/0x520
[ 55.697825][ C1] ndisc_send_skb+0x2a9/0xcf0
[ 55.702568][ C1] ? process_one_work+0x6c8/0xbb0
[ 55.707609][ C1] ? worker_thread+0xaa0/0x1250
[ 55.712473][ C1] ? kthread+0x3f5/0x4f0
[ 55.716731][ C1] ? ret_from_fork+0x1f/0x30
[ 55.721343][ C1] ? ndisc_alloc_skb+0x290/0x290
[ 55.726295][ C1] ? ndisc_send_rs+0x61f/0x960
[ 55.731094][ C1] ? memcpy+0x56/0x70
[ 55.735095][ C1] ndisc_send_rs+0x711/0x960
[ 55.739885][ C1] addrconf_rs_timer+0x35a/0x600
[ 55.744839][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 55.750918][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 55.756999][ C1] call_timer_fn+0x38/0x290
[ 55.761520][ C1] ? addrconf_disable_policy_idev+0x360/0x360
[ 55.767601][ C1] __run_timers+0x637/0x9a0
[ 55.772130][ C1] ? calc_index+0x200/0x200
[ 55.776660][ C1] ? sched_clock_cpu+0x18/0x3d0
[ 55.781532][ C1] run_timer_softirq+0x6a/0xf0
[ 55.786574][ C1] handle_softirqs+0x250/0x560
[ 55.791553][ C1] __irq_exit_rcu+0x52/0xf0
[ 55.796090][ C1] irq_exit_rcu+0x9/0x10
[ 55.800626][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 55.806292][ C1]
[ 55.809246][ C1]
[ 55.812192][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 55.818319][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40
[ 55.824606][ C1] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e
[ 55.845372][ C1] RSP: 0018:ffffc9000028f8b0 EFLAGS: 00000293
[ 55.851465][ C1] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff888108784f00
[ 55.859453][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80
[ 55.867612][ C1] RBP: ffffc9000028f8b0 R08: 0000000000000003 R09: 0000000000000004
[ 55.875778][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000
[ 55.883765][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000051f18
[ 55.891941][ C1] ? __printk_wait_on_cpu_lock+0x2c/0x40
[ 55.897705][ C1] dump_stack_lvl+0xce/0x170
[ 55.902318][ C1] ? show_regs_print_info+0x20/0x20
[ 55.907669][ C1] ? prandom_u32+0x24d/0x290
[ 55.912293][ C1] dump_stack+0x15/0x20
[ 55.916572][ C1] should_fail+0x3ab/0x500
[ 55.921014][ C1] ? mld_newpack+0x143/0x9e0
[ 55.925816][ C1] __should_failslab+0xa4/0xe0
[ 55.930598][ C1] should_failslab+0x9/0x20
[ 55.935139][ C1] slab_pre_alloc_hook+0x39/0xd0
[ 55.940108][ C1] ? mld_newpack+0x143/0x9e0
[ 55.944738][ C1] ? mld_newpack+0x143/0x9e0
[ 55.949432][ C1] __kmalloc_track_caller+0x6c/0x2c0
[ 55.954933][ C1] ? mld_newpack+0x143/0x9e0
[ 55.959539][ C1] ? mld_newpack+0x143/0x9e0
[ 55.964589][ C1] __alloc_skb+0x210/0x730
[ 55.969032][ C1] mld_newpack+0x143/0x9e0
[ 55.973550][ C1] ? mld_sendpack+0xba0/0xba0
[ 55.978243][ C1] ? add_grec+0x1340/0x1340
[ 55.982845][ C1] ? add_grec+0xf70/0x1340
[ 55.987310][ C1] add_grec+0xee8/0x1340
[ 55.991744][ C1] ? __kasan_check_write+0x14/0x20
[ 55.997000][ C1] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 56.003042][ C1] mld_send_initial_cr+0x157/0x320
[ 56.008194][ C1] mld_dad_work+0x3a/0x4e0
[ 56.012640][ C1] process_one_work+0x6c8/0xbb0
[ 56.017530][ C1] worker_thread+0xaa0/0x1250
[ 56.022342][ C1] ? __kasan_check_read+0x11/0x20
[ 56.027460][ C1] kthread+0x3f5/0x4f0
[ 56.031580][ C1] ? worker_clr_flags+0x190/0x190
[ 56.036680][ C1] ? kthread_blkcg+0xd0/0xd0
[ 56.041725][ C1] ret_from_fork+0x1f/0x30
[ 56.046376][ C1]
[ 56.049815][ C0] CPU: 0 PID: 45 Comm: kworker/u4:2 Tainted: G W syzkaller #0
[ 56.058695][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 56.069731][ C0] Workqueue: events_unbound toggle_allocation_gate
[ 56.077753][ C0] Call Trace:
[ 56.081065][ C0]
[ 56.083923][ C0] __dump_stack+0x21/0x30
[ 56.088785][ C0] dump_stack_lvl+0x110/0x170
[ 56.093499][ C0] ? show_regs_print_info+0x20/0x20
[ 56.099116][ C0] dump_stack+0x15/0x20
[ 56.103310][ C0] should_fail+0x3ab/0x500
[ 56.108018][ C0] __should_failslab+0xa4/0xe0
[ 56.112804][ C0] should_failslab+0x9/0x20
[ 56.117363][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 56.122337][ C0] ? __alloc_skb+0xe4/0x730
[ 56.126874][ C0] kmem_cache_alloc+0x44/0x260
[ 56.131741][ C0] __alloc_skb+0xe4/0x730
[ 56.136845][ C0] arp_create+0xe8/0x7f0
[ 56.141560][ C0] arp_send_dst+0x8c/0x280
[ 56.146402][ C0] arp_process+0x153f/0x1bc0
[ 56.151122][ C0] ? arp_error_report+0xc0/0xc0
[ 56.156759][ C0] ? packet_sock_destruct+0x160/0x160
[ 56.162159][ C0] ? __netif_receive_skb_core+0x2962/0x2fb0
[ 56.168072][ C0] ? arp_error_report+0xc0/0xc0
[ 56.173049][ C0] NF_HOOK+0x169/0x1c0
[ 56.177244][ C0] ? arp_error_report+0xc0/0xc0
[ 56.182130][ C0] ? arp_xmit+0x1f0/0x1f0
[ 56.186482][ C0] ? set_rps_cpu+0x5d0/0x5d0
[ 56.191095][ C0] ? __napi_alloc_skb+0x162/0x2e0
[ 56.196147][ C0] ? __napi_alloc_skb+0x162/0x2e0
[ 56.201541][ C0] arp_rcv+0x2ef/0x480
[ 56.205649][ C0] ? arp_is_garp+0x160/0x160
[ 56.210347][ C0] __netif_receive_skb_list_core+0x704/0x770
[ 56.216365][ C0] ? __netif_receive_skb+0x280/0x280
[ 56.221687][ C0] ? receive_buf+0x2ec5/0x4bc0
[ 56.226763][ C0] netif_receive_skb_list_internal+0x7f8/0xaa0
[ 56.232963][ C0] ? resched_curr+0x108/0x320
[ 56.237658][ C0] ? netif_receive_skb_list+0x2a0/0x2a0
[ 56.243225][ C0] ? put_prev_entity+0x470/0x470
[ 56.248180][ C0] ? hrtimer_active+0x1ea/0x200
[ 56.253048][ C0] ? virtqueue_get_buf_ctx+0x4a2/0xf60
[ 56.258610][ C0] ? detach_buf_split+0x88d/0xa90
[ 56.263647][ C0] napi_complete_done+0x375/0x7a0
[ 56.268691][ C0] ? __napi_schedule_irqoff+0x230/0x230
[ 56.274255][ C0] ? virtqueue_get_buf_ctx+0x4a2/0xf60
[ 56.279733][ C0] ? virtqueue_enable_cb_prepare+0x235/0x570
[ 56.285738][ C0] virtnet_poll+0x8f4/0xe90
[ 56.290355][ C0] ? refill_work+0x220/0x220
[ 56.295550][ C0] ? __run_timers+0x90d/0x9a0
[ 56.300250][ C0] __napi_poll+0xbb/0x580
[ 56.304707][ C0] net_rx_action+0x37f/0x910
[ 56.309318][ C0] ? net_tx_action+0x520/0x520
[ 56.314124][ C0] handle_softirqs+0x250/0x560
[ 56.318931][ C0] ? irqtime_account_irq+0xbe/0x390
[ 56.324396][ C0] __irq_exit_rcu+0x52/0xf0
[ 56.329103][ C0] irq_exit_rcu+0x9/0x10
[ 56.333465][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 56.339127][ C0]
[ 56.342251][ C0]
[ 56.345288][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 56.351297][ C0] RIP: 0010:smp_call_function_many_cond+0x8ad/0x9e0
[ 56.357907][ C0] Code: 0f b6 44 05 00 84 c0 0f 85 9b 00 00 00 41 8b 1f 89 de 83 e6 01 31 ff e8 31 48 0a 00 83 e3 01 75 07 e8 77 44 0a 00 eb 42 f3 90 <48> b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 75 10 41 f7
[ 56.378115][ C0] RSP: 0018:ffffc900002ef860 EFLAGS: 00000293
[ 56.384258][ C0] RAX: ffffffff815f728f RBX: 0000000000000001 RCX: ffff888103fc3b40
[ 56.392353][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[ 56.400878][ C0] RBP: ffffc900002ef978 R08: ffff8881f7038e97 R09: 1ffff1103ee071d2
[ 56.408902][ C0] R10: dffffc0000000000 R11: ffffed103ee071d3 R12: ffff8881f7038e80
[ 56.416894][ C0] R13: 1ffff1103ee2784d R14: 0000000000000001 R15: ffff8881f713c268
[ 56.424888][ C0] ? smp_call_function_many_cond+0x8cf/0x9e0
[ 56.431158][ C0] ? text_poke_sync+0x30/0x30
[ 56.435964][ C0] ? smp_call_function_many+0x40/0x40
[ 56.441592][ C0] ? __kmalloc_track_caller+0x74/0x2c0
[ 56.447183][ C0] ? text_poke+0x20/0x20
[ 56.451467][ C0] ? text_poke_loc_init+0x105/0x560
[ 56.456773][ C0] ? text_poke_sync+0x30/0x30
[ 56.461748][ C0] on_each_cpu_cond_mask+0x43/0x80
[ 56.466927][ C0] text_poke_bp_batch+0x1d4/0x600
[ 56.472350][ C0] ? text_poke_loc_init+0x560/0x560
[ 56.477917][ C0] ? __kasan_check_write+0x14/0x20
[ 56.483057][ C0] ? mutex_lock+0x9b/0x1c0
[ 56.487620][ C0] ? wait_for_completion_killable_timeout+0x10/0x10
[ 56.494246][ C0] ? text_poke_queue+0xde/0x1a0
[ 56.499126][ C0] text_poke_finish+0x1a/0x30
[ 56.503826][ C0] arch_jump_label_transform_apply+0x15/0x30
[ 56.509831][ C0] __jump_label_update+0x38f/0x3b0
[ 56.514961][ C0] jump_label_update+0x39b/0x450
[ 56.519921][ C0] static_key_enable_cpuslocked+0x126/0x240
[ 56.525835][ C0] static_key_enable+0x1a/0x30
[ 56.530706][ C0] toggle_allocation_gate+0xba/0x440
[ 56.536013][ C0] ? kfence_debugfs_init+0x70/0x70
[ 56.541144][ C0] ? ttwu_do_activate+0x179/0x2a0
[ 56.546206][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 56.552202][ C0] ? try_to_wake_up+0x610/0x1150
[ 56.557159][ C0] process_one_work+0x6c8/0xbb0
[ 56.562030][ C0] worker_thread+0xaa0/0x1250
[ 56.566769][ C0] kthread+0x3f5/0x4f0
[ 56.570941][ C0] ? worker_clr_flags+0x190/0x190
[ 56.576083][ C0] ? kthread_blkcg+0xd0/0xd0
[ 56.580693][ C0] ret_from_fork+0x1f/0x30
[ 56.585150][ C0]
[ 56.588212][ T39] CPU: 1 PID: 39 Comm: kworker/1:1 Tainted: G W syzkaller #0
[ 56.597521][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 56.607867][ T39] Workqueue: mld mld_dad_work
[ 56.612572][ T39] Call Trace:
[ 56.615865][ T39]
[ 56.618814][ T39] __dump_stack+0x21/0x30
[ 56.623167][ T39] dump_stack_lvl+0x110/0x170
[ 56.627873][ T39] ? show_regs_print_info+0x20/0x20
[ 56.633121][ T39] ? prandom_u32+0x24d/0x290
[ 56.637745][ T39] dump_stack+0x15/0x20
[ 56.642713][ T39] should_fail+0x3ab/0x500
[ 56.647260][ T39] ? mld_newpack+0x143/0x9e0
[ 56.651862][ T39] __should_failslab+0xa4/0xe0
[ 56.656766][ T39] should_failslab+0x9/0x20
[ 56.661696][ T39] slab_pre_alloc_hook+0x39/0xd0
[ 56.666771][ T39] ? mld_newpack+0x143/0x9e0
[ 56.671408][ T39] ? mld_newpack+0x143/0x9e0
[ 56.676029][ T39] __kmalloc_track_caller+0x6c/0x2c0
[ 56.681616][ T39] ? mld_newpack+0x143/0x9e0
[ 56.686405][ T39] ? mld_newpack+0x143/0x9e0
[ 56.691103][ T39] __alloc_skb+0x210/0x730
[ 56.695983][ T39] mld_newpack+0x143/0x9e0
[ 56.700438][ T39] ? mld_sendpack+0xba0/0xba0
[ 56.705136][ T39] ? add_grec+0x1340/0x1340
[ 56.709841][ T39] ? add_grec+0xf70/0x1340
[ 56.714509][ T39] add_grec+0xee8/0x1340
[ 56.718795][ T39] ? __kasan_check_write+0x14/0x20
[ 56.723934][ T39] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 56.730118][ T39] mld_send_initial_cr+0x157/0x320
[ 56.735780][ T39] mld_dad_work+0x3a/0x4e0
[ 56.740209][ T39] process_one_work+0x6c8/0xbb0
[ 56.745114][ T39] worker_thread+0xaa0/0x1250
[ 56.749832][ T39] ? __kasan_check_read+0x11/0x20
[ 56.755083][ T39] kthread+0x3f5/0x4f0
[ 56.759166][ T39] ? worker_clr_flags+0x190/0x190
[ 56.764235][ T39] ? kthread_blkcg+0xd0/0xd0
[ 56.769132][ T39] ret_from_fork+0x1f/0x30
[ 56.773609][ T39]
[ 56.778526][ T58] FAULT_INJECTION: forcing a failure.
[ 56.778526][ T58] name failslab, interval 1, probability 1, space 0, times 28
[ 56.791374][ T58] CPU: 0 PID: 58 Comm: kworker/0:2 Tainted: G W syzkaller #0
[ 56.800471][ T58] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 56.810569][ T58] Workqueue: ipv6_addrconf addrconf_dad_work
[ 56.816852][ T58] Call Trace:
[ 56.820135][ T58]
[ 56.823079][ T58] __dump_stack+0x21/0x30
[ 56.827461][ T58] dump_stack_lvl+0x110/0x170
[ 56.832165][ T58] ? show_regs_print_info+0x20/0x20
[ 56.837371][ T58] ? prandom_u32+0x24d/0x290
[ 56.842147][ T58] dump_stack+0x15/0x20
[ 56.846477][ T58] should_fail+0x3ab/0x500
[ 56.850889][ T58] ? __ipv6_ifa_notify+0x200/0xe70
[ 56.855997][ T58] __should_failslab+0xa4/0xe0
[ 56.860766][ T58] should_failslab+0x9/0x20
[ 56.865632][ T58] slab_pre_alloc_hook+0x39/0xd0
[ 56.871099][ T58] ? __ipv6_ifa_notify+0x200/0xe70
[ 56.876233][ T58] ? __ipv6_ifa_notify+0x200/0xe70
[ 56.881345][ T58] __kmalloc_track_caller+0x6c/0x2c0
[ 56.886643][ T58] ? __ipv6_ifa_notify+0x200/0xe70
[ 56.892019][ T58] ? __ipv6_ifa_notify+0x200/0xe70
[ 56.897155][ T58] __alloc_skb+0x210/0x730
[ 56.901617][ T58] __ipv6_ifa_notify+0x200/0xe70
[ 56.906570][ T58] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 56.912431][ T58] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 56.919221][ T58] ? __kasan_check_write+0x14/0x20
[ 56.924435][ T58] ? try_to_grab_pending+0x1a4/0x580
[ 56.929851][ T58] ? __mutex_lock_slowpath+0x10/0x10
[ 56.935172][ T58] ? mod_delayed_work_on+0xe0/0xe0
[ 56.940380][ T58] ? node_free_rcu+0x30/0x30
[ 56.944975][ T58] ? __kasan_check_write+0x14/0x20
[ 56.950281][ T58] ? __cancel_work+0x198/0x200
[ 56.955245][ T58] addrconf_dad_completed+0x182/0xe20
[ 56.960739][ T58] ? __kasan_check_write+0x14/0x20
[ 56.965938][ T58] ? addrconf_dad_stop+0x440/0x440
[ 56.971044][ T58] ? mod_delayed_work_on+0xa8/0xe0
[ 56.976171][ T58] addrconf_dad_work+0xc4c/0x1510
[ 56.981199][ T58] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 56.986589][ T58] ? __kasan_check_write+0x14/0x20
[ 56.991734][ T58] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 56.997850][ T58] process_one_work+0x6c8/0xbb0
[ 57.002725][ T58] worker_thread+0xaa0/0x1250
[ 57.007411][ T58] kthread+0x3f5/0x4f0
[ 57.011475][ T58] ? worker_clr_flags+0x190/0x190
[ 57.016621][ T58] ? kthread_blkcg+0xd0/0xd0
[ 57.021273][ T58] ret_from_fork+0x1f/0x30
[ 57.025713][ T58]
[ 57.029198][ T291] FAULT_INJECTION: forcing a failure.
[ 57.029198][ T291] name failslab, interval 1, probability 1, space 0, times 27
[ 57.042459][ T291] CPU: 1 PID: 291 Comm: kworker/1:2 Tainted: G W syzkaller #0
[ 57.052492][ T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 57.063728][ T291] Workqueue: ipv6_addrconf addrconf_dad_work
[ 57.069729][ T291] Call Trace:
[ 57.073183][ T291]
[ 57.076121][ T291] __dump_stack+0x21/0x30
[ 57.080463][ T291] dump_stack_lvl+0x110/0x170
[ 57.085153][ T291] ? show_regs_print_info+0x20/0x20
[ 57.090457][ T291] dump_stack+0x15/0x20
[ 57.094624][ T291] should_fail+0x3ab/0x500
[ 57.099134][ T291] __should_failslab+0xa4/0xe0
[ 57.103988][ T291] should_failslab+0x9/0x20
[ 57.108669][ T291] slab_pre_alloc_hook+0x39/0xd0
[ 57.113625][ T291] ? __alloc_skb+0xe4/0x730
[ 57.118237][ T291] kmem_cache_alloc+0x44/0x260
[ 57.123177][ T291] __alloc_skb+0xe4/0x730
[ 57.128093][ T291] mld_newpack+0x143/0x9e0
[ 57.132560][ T291] ? mld_sendpack+0xba0/0xba0
[ 57.137261][ T291] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 57.143088][ T291] add_grec+0xee8/0x1340
[ 57.147438][ T291] ? __kasan_check_write+0x14/0x20
[ 57.152564][ T291] mld_send_initial_cr+0x157/0x320
[ 57.157827][ T291] ipv6_mc_dad_complete+0x87/0x450
[ 57.163024][ T291] addrconf_dad_completed+0x73d/0xe20
[ 57.168598][ T291] ? addrconf_dad_stop+0x440/0x440
[ 57.173892][ T291] addrconf_dad_work+0xc4c/0x1510
[ 57.179272][ T291] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 57.184566][ T291] ? __kasan_check_write+0x14/0x20
[ 57.189695][ T291] ? _raw_spin_lock_irq+0x95/0xf0
[ 57.195306][ T291] process_one_work+0x6c8/0xbb0
[ 57.200204][ T291] worker_thread+0xaa0/0x1250
[ 57.204923][ T291] kthread+0x3f5/0x4f0
[ 57.209202][ T291] ? worker_clr_flags+0x190/0x190
[ 57.214634][ T291] ? kthread_blkcg+0xd0/0xd0
[ 57.219317][ T291] ret_from_fork+0x1f/0x30
[ 57.223735][ T291]
[ 57.229605][ T291] FAULT_INJECTION: forcing a failure.
[ 57.229605][ T291] name failslab, interval 1, probability 1, space 0, times 26
[ 57.242452][ T291] CPU: 1 PID: 291 Comm: kworker/1:2 Tainted: G W syzkaller #0
[ 57.251498][ T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 57.261834][ T291] Workqueue: ipv6_addrconf addrconf_dad_work
[ 57.267853][ T291] Call Trace:
[ 57.271136][ T291]
[ 57.274068][ T291] __dump_stack+0x21/0x30
[ 57.278493][ T291] dump_stack_lvl+0x110/0x170
[ 57.283176][ T291] ? show_regs_print_info+0x20/0x20
[ 57.288391][ T291] ? prandom_u32+0x24d/0x290
[ 57.293023][ T291] dump_stack+0x15/0x20
[ 57.297819][ T291] should_fail+0x3ab/0x500
[ 57.302443][ T291] ? __ipv6_ifa_notify+0x200/0xe70
[ 57.307659][ T291] __should_failslab+0xa4/0xe0
[ 57.312622][ T291] should_failslab+0x9/0x20
[ 57.317198][ T291] slab_pre_alloc_hook+0x39/0xd0
[ 57.322188][ T291] ? __ipv6_ifa_notify+0x200/0xe70
[ 57.327353][ T291] ? __ipv6_ifa_notify+0x200/0xe70
[ 57.332496][ T291] __kmalloc_track_caller+0x6c/0x2c0
[ 57.337801][ T291] ? __ipv6_ifa_notify+0x200/0xe70
[ 57.342932][ T291] ? __ipv6_ifa_notify+0x200/0xe70
[ 57.348182][ T291] __alloc_skb+0x210/0x730
[ 57.352220][ C0] FAULT_INJECTION: forcing a failure.
[ 57.352220][ C0] name failslab, interval 1, probability 1, space 0, times 26
[ 57.352705][ T291] __ipv6_ifa_notify+0x200/0xe70
[ 57.370953][ T291] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0
[ 57.376729][ T291] ? __local_bh_enable_ip+0x58/0x80
[ 57.382050][ T291] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 57.389022][ T291] ? __kasan_check_write+0x14/0x20
[ 57.394180][ T291] ? try_to_grab_pending+0x1a4/0x580
[ 57.399610][ T291] ? __mutex_lock_slowpath+0x10/0x10
[ 57.405068][ T291] ? mod_delayed_work_on+0xe0/0xe0
[ 57.410227][ T291] ? node_free_rcu+0x30/0x30
[ 57.414951][ T291] ? __kasan_check_write+0x14/0x20
[ 57.420107][ T291] ? __cancel_work+0x198/0x200
[ 57.424910][ T291] addrconf_dad_completed+0x182/0xe20
[ 57.430488][ T291] ? __kasan_check_write+0x14/0x20
[ 57.435869][ T291] ? addrconf_dad_stop+0x440/0x440
[ 57.441117][ T291] addrconf_dad_work+0xc4c/0x1510
[ 57.446582][ T291] ? ipv6_get_saddr_eval+0xf70/0xf70
[ 57.451975][ T291] ? __kasan_check_write+0x14/0x20
[ 57.457291][ T291] ? pwq_activate_inactive_work+0x2ea/0x3f0
[ 57.463304][ T291] process_one_work+0x6c8/0xbb0
[ 57.468176][ T291] worker_thread+0xaa0/0x1250
[ 57.472888][ T291] kthread+0x3f5/0x4f0
[ 57.476982][ T291] ? worker_clr_flags+0x190/0x190
[ 57.482374][ T291] ? kthread_blkcg+0xd0/0xd0
[ 57.486986][ T291] ret_from_fork+0x1f/0x30
[ 57.491593][ T291]
[ 57.494632][ C0] CPU: 0 PID: 45 Comm: kworker/u4:2 Tainted: G W syzkaller #0
[ 57.501264][ T291] FAULT_INJECTION: forcing a failure.
[ 57.501264][ T291] name failslab, interval 1, probability 1, space 0, times 25
[ 57.503453][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 57.503476][ C0] Workqueue: events_unbound toggle_allocation_gate
[ 57.533624][ C0] Call Trace:
[ 57.537094][ C0]
[ 57.539978][ C0] __dump_stack+0x21/0x30
[ 57.544901][ C0] dump_stack_lvl+0x110/0x170
[ 57.549825][ C0] ? show_regs_print_info+0x20/0x20
[ 57.555064][ C0] dump_stack+0x15/0x20
[ 57.559421][ C0] should_fail+0x3ab/0x500
[ 57.564698][ C0] ? wg_packet_send_keepalive+0x62/0x1c0
[ 57.570470][ C0] __should_failslab+0xa4/0xe0
[ 57.575540][ C0] should_failslab+0x9/0x20
[ 57.580084][ C0] slab_pre_alloc_hook+0x39/0xd0
[ 57.585350][ C0] ? wg_packet_send_keepalive+0x62/0x1c0
[ 57.591297][ C0] ? wg_packet_send_keepalive+0x62/0x1c0
[ 57.596974][ C0] __kmalloc_track_caller+0x6c/0x2c0