./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3491566515 <...> Warning: Permanently added '10.128.1.27' (ED25519) to the list of known hosts. execve("./syz-executor3491566515", ["./syz-executor3491566515"], 0x7ffd41f9d8c0 /* 10 vars */) = 0 brk(NULL) = 0x55557d393000 brk(0x55557d393d00) = 0x55557d393d00 arch_prctl(ARCH_SET_FS, 0x55557d393380) = 0 set_tid_address(0x55557d393650) = 5075 set_robust_list(0x55557d393660, 24) = 0 rseq(0x55557d393ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3491566515", 4096) = 28 getrandom("\x31\x8d\x11\xb7\xa2\xa2\xc3\x9e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557d393d00 brk(0x55557d3b4d00) = 0x55557d3b4d00 brk(0x55557d3b5000) = 0x55557d3b5000 mprotect(0x7f7f09c3a000, 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_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=864, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=5075}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1d\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x30\x00\x00\x00\xe8\x02\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 864 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5075}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x06\x00\x0a\x00\xa0\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5075}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0c\x00\x01\x00\x02\x00\xaa\xaa\xaa\xaa\xaa\xaa"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5075}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 sendto(3, [{nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=0, ifi_flags=0, ifi_change=0}, [[{nla_len=11, nla_type=IFLA_IFNAME}, "lowpan0"...], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 68, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 68 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5075}, {error=0, msg={nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x06\x00\x0a\x00\xa1\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5075}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=if_nametoindex("wpan1"), ifi_flags=IFF_UP, ifi_change=0x1}, [{nla_len=12, nla_type=IFLA_ADDRESS}, 02:01:aa:aa:aa:aa:aa]], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5075}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(3) = 0 close(4) = 0 bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20000580, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0}, 46) = 3 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 4 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 5 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 6 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 7 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 8 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 9 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 10 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 11 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 12 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 13 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 14 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 15 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 16 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 17 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 18 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 19 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 20 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 21 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 22 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 23 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 24 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 25 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 26 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 27 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 28 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 29 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 30 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 31 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 32 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 33 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 34 [ 71.871414][ T1242] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.882819][ T1242] ieee802154 phy1 wpan1: encryption failed: -22 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 35 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 36 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 37 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 38 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 39 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 40 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 41 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 42 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 43 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 44 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 45 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 46 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 47 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 48 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 49 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 50 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 51 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 52 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 53 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 54 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 55 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 56 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 57 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 58 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 59 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 60 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 61 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 62 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 63 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 64 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 65 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 66 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 67 bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="rcu_utilization", prog_fd=3}}, 16) = 68 exit_group(0) = ? [ 72.801564][ T19] ================================================================== [ 72.809693][ T19] BUG: KASAN: slab-use-after-free in bpf_trace_run1+0xcb/0x510 [ 72.817273][ T19] Read of size 8 at addr ffff8880290d9918 by task migration/0/19 [ 72.824993][ T19] [ 72.827319][ T19] CPU: 0 PID: 19 Comm: migration/0 Not tainted 6.8.0-syzkaller-05233-g520fad2e3206 #0 [ 72.836859][ T19] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 72.846916][ T19] Stopper: 0x0 <- 0x0 [ 72.850906][ T19] Call Trace: [ 72.854186][ T19] [ 72.857122][ T19] dump_stack_lvl+0x1e7/0x2e0 [ 72.861825][ T19] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.867031][ T19] ? __pfx__printk+0x10/0x10 [ 72.871651][ T19] ? _printk+0xd5/0x120 [ 72.875861][ T19] ? __virt_addr_valid+0x183/0x520 [ 72.881076][ T19] ? __virt_addr_valid+0x183/0x520 [ 72.886339][ T19] print_report+0x169/0x550 [ 72.890872][ T19] ? __virt_addr_valid+0x183/0x520 [ 72.896009][ T19] ? __virt_addr_valid+0x183/0x520 [ 72.901131][ T19] ? __virt_addr_valid+0x44e/0x520 [ 72.906276][ T19] ? __phys_addr+0xba/0x170 [ 72.910792][ T19] ? bpf_trace_run1+0xcb/0x510 [ 72.915558][ T19] kasan_report+0x143/0x180 [ 72.920078][ T19] ? bpf_trace_run1+0xcb/0x510 [ 72.924977][ T19] bpf_trace_run1+0xcb/0x510 [ 72.929579][ T19] ? bpf_trace_run1+0x1d6/0x510 [ 72.934439][ T19] ? __pfx_bpf_trace_run1+0x10/0x10 [ 72.939645][ T19] ? rcu_qs+0xf1/0x190 [ 72.943801][ T19] ? __pfx_rcu_qs+0x10/0x10 [ 72.948306][ T19] ? __pfx___bpf_trace_rcu_utilization+0x10/0x10 [ 72.954644][ T19] __traceiter_rcu_utilization+0x74/0xb0 [ 72.960305][ T19] trace_rcu_utilization+0x194/0x1c0 [ 72.965596][ T19] rcu_note_context_switch+0xc7c/0xff0 [ 72.971070][ T19] ? mark_lock+0x9a/0x350 [ 72.975413][ T19] ? mark_lock+0x9a/0x350 [ 72.979752][ T19] ? __lock_acquire+0x1346/0x1fd0 [ 72.984777][ T19] ? __pfx_rcu_note_context_switch+0x10/0x10 [ 72.990770][ T19] ? mark_lock+0x9a/0x350 [ 72.995109][ T19] ? rcu_is_watching+0x15/0xb0 [ 72.999874][ T19] __schedule+0x345/0x4a20 [ 73.004304][ T19] ? __pfx___schedule+0x10/0x10 [ 73.009252][ T19] ? schedule+0x90/0x320 [ 73.013619][ T19] ? __pfx_lock_release+0x10/0x10 [ 73.018666][ T19] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 73.025016][ T19] ? schedule+0x90/0x320 [ 73.029267][ T19] schedule+0x14b/0x320 [ 73.033455][ T19] ? __pfx_cpu_stop_should_run+0x10/0x10 [ 73.039118][ T19] smpboot_thread_fn+0x61e/0xa30 [ 73.044122][ T19] ? smpboot_thread_fn+0x4e/0xa30 [ 73.049177][ T19] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 73.054647][ T19] kthread+0x2f0/0x390 [ 73.058728][ T19] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 73.064222][ T19] ? __pfx_kthread+0x10/0x10 [ 73.068868][ T19] ret_from_fork+0x4b/0x80 [ 73.073307][ T19] ? __pfx_kthread+0x10/0x10 [ 73.077931][ T19] ret_from_fork_asm+0x1a/0x30 [ 73.082764][ T19] [ 73.085788][ T19] [ 73.088109][ T19] Allocated by task 5075: [ 73.092438][ T19] kasan_save_track+0x3f/0x80 [ 73.097146][ T19] __kasan_kmalloc+0x98/0xb0 [ 73.101742][ T19] kmalloc_trace+0x1d9/0x360 [ 73.106346][ T19] bpf_raw_tp_link_attach+0x2a0/0x6e0 [ 73.111745][ T19] bpf_raw_tracepoint_open+0x1c2/0x240 [ 73.117208][ T19] __sys_bpf+0x3c0/0x810 [ 73.121452][ T19] __x64_sys_bpf+0x7c/0x90 [ 73.125867][ T19] do_syscall_64+0xfb/0x240 [ 73.130374][ T19] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 73.136277][ T19] [ 73.138601][ T19] Freed by task 5075: [ 73.142577][ T19] kasan_save_track+0x3f/0x80 [ 73.147261][ T19] kasan_save_free_info+0x40/0x50 [ 73.152314][ T19] poison_slab_object+0xa6/0xe0 [ 73.157173][ T19] __kasan_slab_free+0x37/0x60 [ 73.161945][ T19] kfree+0x14a/0x380 [ 73.165851][ T19] bpf_link_release+0x3b/0x50 [ 73.170528][ T19] __fput+0x429/0x8a0 [ 73.174509][ T19] task_work_run+0x24f/0x310 [ 73.179108][ T19] do_exit+0xa1b/0x27e0 [ 73.183296][ T19] do_group_exit+0x207/0x2c0 [ 73.187911][ T19] __x64_sys_exit_group+0x3f/0x40 [ 73.192950][ T19] do_syscall_64+0xfb/0x240 [ 73.197465][ T19] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 73.203372][ T19] [ 73.205697][ T19] The buggy address belongs to the object at ffff8880290d9900 [ 73.205697][ T19] which belongs to the cache kmalloc-128 of size 128 [ 73.219755][ T19] The buggy address is located 24 bytes inside of [ 73.219755][ T19] freed 128-byte region [ffff8880290d9900, ffff8880290d9980) [ 73.233465][ T19] [ 73.235794][ T19] The buggy address belongs to the physical page: [ 73.242220][ T19] page:ffffea0000a43640 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x290d9 [ 73.252372][ T19] anon flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff) [ 73.260352][ T19] page_type: 0xffffffff() [ 73.264685][ T19] raw: 00fff00000000800 ffff888014c418c0 0000000000000000 0000000000000001 [ 73.273294][ T19] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 73.281873][ T19] page dumped because: kasan: bad access detected [ 73.288394][ T19] page_owner tracks the page as allocated [ 73.294121][ T19] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 4527, tgid 4527 (udevd), ts 43150902736, free_ts 43094996342 [ 73.311840][ T19] post_alloc_hook+0x1ea/0x210 [ 73.316625][ T19] get_page_from_freelist+0x33ea/0x3580 [ 73.322305][ T19] __alloc_pages+0x256/0x680 [ 73.326903][ T19] alloc_slab_page+0x5f/0x160 [ 73.331589][ T19] new_slab+0x84/0x2f0 [ 73.335661][ T19] ___slab_alloc+0xd1b/0x13e0 [ 73.340340][ T19] kmalloc_trace+0x267/0x360 [ 73.344941][ T19] kernfs_fop_open+0x803/0xcd0 [ 73.349713][ T19] do_dentry_open+0x907/0x15a0 [ 73.354481][ T19] path_openat+0x2860/0x3240 [ 73.359093][ T19] do_filp_open+0x235/0x490 [ 73.363596][ T19] do_sys_openat2+0x13e/0x1d0 [ 73.368283][ T19] __x64_sys_openat+0x247/0x2a0 [ 73.373143][ T19] do_syscall_64+0xfb/0x240 [ 73.377654][ T19] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 73.383571][ T19] page last free pid 4526 tgid 4526 stack trace: [ 73.389898][ T19] free_unref_page_prepare+0x968/0xa90 [ 73.395365][ T19] free_unref_page+0x37/0x3f0 [ 73.400049][ T19] rcu_core+0xafd/0x1830 [ 73.404307][ T19] __do_softirq+0x2bc/0x943 [ 73.408820][ T19] [ 73.411145][ T19] Memory state around the buggy address: [ 73.416795][ T19] ffff8880290d9800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 73.424870][ T19] ffff8880290d9880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 73.432932][ T19] >ffff8880290d9900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 73.441435][ T19] ^ [ 73.446283][ T19] ffff8880290d9980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 73.454343][ T19] ffff8880290d9a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 73.462406][ T19] ================================================================== [ 73.470466][ T19] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 73.477664][ T19] CPU: 0 PID: 19 Comm: migration/0 Not tainted 6.8.0-syzkaller-05233-g520fad2e3206 #0 [ 73.487206][ T19] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 73.497269][ T19] Stopper: 0x0 <- 0x0 [ 73.501259][ T19] Call Trace: [ 73.504565][ T19] [ 73.507502][ T19] dump_stack_lvl+0x1e7/0x2e0 [ 73.512208][ T19] ? __pfx_dump_stack_lvl+0x10/0x10 [ 73.517588][ T19] ? __pfx__printk+0x10/0x10 [ 73.522183][ T19] ? rcu_is_watching+0x15/0xb0 [ 73.526957][ T19] ? lock_release+0xbf/0x9d0 [ 73.531555][ T19] ? vscnprintf+0x5d/0x90 [ 73.535926][ T19] panic+0x349/0x860 [ 73.539833][ T19] ? check_panic_on_warn+0x21/0xb0 [ 73.544957][ T19] ? __pfx_panic+0x10/0x10 [ 73.549378][ T19] ? do_raw_spin_unlock+0x13c/0x8b0 [ 73.554589][ T19] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 73.560505][ T19] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 73.567022][ T19] ? print_report+0x502/0x550 [ 73.571709][ T19] check_panic_on_warn+0x86/0xb0 [ 73.576668][ T19] ? bpf_trace_run1+0xcb/0x510 [ 73.581436][ T19] end_report+0x6e/0x140 [ 73.585693][ T19] kasan_report+0x154/0x180 [ 73.590207][ T19] ? bpf_trace_run1+0xcb/0x510 [ 73.594983][ T19] bpf_trace_run1+0xcb/0x510 [ 73.599670][ T19] ? bpf_trace_run1+0x1d6/0x510 [ 73.604532][ T19] ? __pfx_bpf_trace_run1+0x10/0x10 [ 73.609742][ T19] ? rcu_qs+0xf1/0x190 [ 73.613817][ T19] ? __pfx_rcu_qs+0x10/0x10 [ 73.618327][ T19] ? __pfx___bpf_trace_rcu_utilization+0x10/0x10 [ 73.624682][ T19] __traceiter_rcu_utilization+0x74/0xb0 [ 73.630324][ T19] trace_rcu_utilization+0x194/0x1c0 [ 73.635617][ T19] rcu_note_context_switch+0xc7c/0xff0 [ 73.641175][ T19] ? mark_lock+0x9a/0x350 [ 73.645511][ T19] ? mark_lock+0x9a/0x350 [ 73.649856][ T19] ? __lock_acquire+0x1346/0x1fd0 [ 73.654890][ T19] ? __pfx_rcu_note_context_switch+0x10/0x10 [ 73.660907][ T19] ? mark_lock+0x9a/0x350 [ 73.665242][ T19] ? rcu_is_watching+0x15/0xb0 [ 73.670010][ T19] __schedule+0x345/0x4a20 [ 73.674447][ T19] ? __pfx___schedule+0x10/0x10 [ 73.679396][ T19] ? schedule+0x90/0x320 [ 73.683646][ T19] ? __pfx_lock_release+0x10/0x10 [ 73.688680][ T19] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 73.695022][ T19] ? schedule+0x90/0x320 [ 73.699280][ T19] schedule+0x14b/0x320 [ 73.703446][ T19] ? __pfx_cpu_stop_should_run+0x10/0x10 [ 73.709091][ T19] smpboot_thread_fn+0x61e/0xa30 [ 73.714039][ T19] ? smpboot_thread_fn+0x4e/0xa30 [ 73.719102][ T19] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 73.724578][ T19] kthread+0x2f0/0x390 [ 73.728654][ T19] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 73.734116][ T19] ? __pfx_kthread+0x10/0x10 [ 73.738715][ T19] ret_from_fork+0x4b/0x80 [ 73.743143][ T19] ? __pfx_kthread+0x10/0x10 [ 73.747740][ T19] ret_from_fork_asm+0x1a/0x30 [ 73.752628][ T19] [ 73.755749][ T19] Kernel Offset: disabled [ 73.760074][ T19] Rebooting in 86400 seconds..