./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor323839764 <...> forked to background, child pid 3182 no interfaces have a carri[ 23.763516][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 er [ 23.773655][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.19' (ECDSA) to the list of known hosts. execve("./syz-executor323839764", ["./syz-executor323839764"], 0x7ffd43977100 /* 10 vars */) = 0 brk(NULL) = 0x555556243000 brk(0x555556243c40) = 0x555556243c40 arch_prctl(ARCH_SET_FS, 0x555556243300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor323839764", 4096) = 27 brk(0x555556264c40) = 0x555556264c40 brk(0x555556265000) = 0x555556265000 mprotect(0x7fbfdc75c000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3 syzkaller login: [ 38.545383][ T3603] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1498 [ 38.554784][ T3603] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 3603, name: syz-executor323 [ 38.564225][ T3603] preempt_count: 1, expected: 0 [ 38.569056][ T3603] RCU nest depth: 0, expected: 0 [ 38.573977][ T3603] INFO: lockdep is turned off. [ 38.578713][ T3603] irq event stamp: 0 [ 38.582611][ T3603] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 38.589719][ T3603] hardirqs last disabled at (0): [] copy_process+0x20f0/0x7120 [ 38.598834][ T3603] softirqs last enabled at (0): [] copy_process+0x2138/0x7120 [ 38.608456][ T3603] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 38.615648][ T3603] Preemption disabled at: [ 38.615655][ T3603] [<0000000000000000>] 0x0 [ 38.624351][ T3603] CPU: 1 PID: 3603 Comm: syz-executor323 Not tainted 6.0.0-rc3-next-20220830-syzkaller #0 [ 38.634263][ T3603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 38.644408][ T3603] Call Trace: [ 38.647672][ T3603] [ 38.650590][ T3603] dump_stack_lvl+0xcd/0x134 [ 38.655181][ T3603] __might_resched.cold+0x222/0x26b [ 38.660366][ T3603] down_read+0x71/0x450 [ 38.664524][ T3603] ? lock_release+0x780/0x780 [ 38.669187][ T3603] ? rwsem_down_read_slowpath+0xb10/0xb10 [ 38.674895][ T3603] ? lock_acquire+0x480/0x570 [ 38.679556][ T3603] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.685001][ T3603] ? lock_release+0x560/0x780 [ 38.689665][ T3603] ? current_cgns_cgroup_from_root+0x204/0x400 [ 38.695813][ T3603] kernfs_walk_and_get_ns+0xcc/0x3a0 [ 38.701086][ T3603] ? kernfs_find_and_get_node_by_id+0x1a0/0x1a0 [ 38.707321][ T3603] cgroup_get_from_path+0x61/0x610 [ 38.712447][ T3603] cgroup_mt_check_v1+0x19a/0x2f0 [ 38.717460][ T3603] ? cgroup_mt_check_v2+0x2f0/0x2f0 [ 38.722642][ T3603] xt_check_match+0x275/0x9f0 [ 38.727321][ T3603] ? xt_check_target+0x9e0/0x9e0 [ 38.732292][ T3603] ? _find_next_bit+0x1e3/0x260 [ 38.737137][ T3603] ? xt_find_match+0x6e/0x280 [ 38.741833][ T3603] ? xt_find_match+0x6e/0x280 [ 38.747049][ T3603] find_check_entry.constprop.0+0x342/0x9e0 [ 38.753048][ T3603] ? compat_table_info+0x5e0/0x5e0 [ 38.758182][ T3603] ? trace_hardirqs_on+0x2d/0x120 [ 38.763238][ T3603] ? slab_free_freelist_hook+0x8b/0x1c0 [ 38.768827][ T3603] ? kvfree+0x42/0x50 [ 38.772906][ T3603] ? __kmem_cache_free+0xab/0x3b0 [ 38.777940][ T3603] ? __kmalloc_node+0x73/0xc0 [ 38.782622][ T3603] translate_table+0xc8b/0x1750 [ 38.787477][ T3603] ? ip6t_do_table+0x1a40/0x1a40 [ 38.792434][ T3603] do_ip6t_set_ctl+0x56e/0xb90 [ 38.797202][ T3603] ? trace_contention_end+0xea/0x150 [ 38.802503][ T3603] ? __mutex_lock+0x231/0x1350 [ 38.807260][ T3603] ? compat_do_replace.constprop.0+0x470/0x470 [ 38.813417][ T3603] ? wait_for_completion_io_timeout+0x20/0x20 [ 38.819478][ T3603] ? nf_sockopt_find.constprop.0+0x22d/0x2a0 [ 38.825455][ T3603] nf_setsockopt+0x83/0xe0 [ 38.829867][ T3603] ipv6_setsockopt+0x127/0x190 [ 38.834625][ T3603] udpv6_setsockopt+0x76/0xc0 [ 38.839289][ T3603] __sys_setsockopt+0x2d6/0x690 [ 38.844132][ T3603] ? sock_common_recvmsg+0x190/0x190 [ 38.849410][ T3603] ? __ia32_sys_recv+0x100/0x100 [ 38.854339][ T3603] ? lock_downgrade+0x6e0/0x6e0 [ 38.859183][ T3603] ? trace_hardirqs_on+0x2d/0x120 [ 38.864198][ T3603] __x64_sys_setsockopt+0xba/0x150 [ 38.869300][ T3603] do_syscall_64+0x35/0xb0 [ 38.873710][ T3603] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 38.879592][ T3603] RIP: 0033:0x7fbfdc6eeb09 [ 38.883992][ T3603] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 38.903589][ T3603] RSP: 002b:00007fffed2b8f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 38.911989][ T3603] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbfdc6eeb09 [ 38.919945][ T3603] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 38.927908][ T3603] RBP: 00007fbfdc6b2cb0 R08: 0000000000000001 R09: 0000000000000000 [ 38.935862][ T3603] R10: 0000000020000300 R11: 0000000000000246 R12: 00007fbfdc6b2d40 setsockopt(3, SOL_IPV6, IP6T_SO_SET_REPLACE, "r", 1) = -1 EINVAL (Invalid argument) exit_group(0) = ? +++ exited with 0 +++ [ 38.943816][ T3603] R13: 000000