./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3402578119 <...> Warning: Permanently added '10.128.0.32' (ED25519) to the list of known hosts. execve("./syz-executor3402578119", ["./syz-executor3402578119"], 0x7ffd5616b7e0 /* 10 vars */) = 0 brk(NULL) = 0x55555ac6c000 brk(0x55555ac6cd00) = 0x55555ac6cd00 arch_prctl(ARCH_SET_FS, 0x55555ac6c380) = 0 set_tid_address(0x55555ac6c650) = 5218 set_robust_list(0x55555ac6c660, 24) = 0 rseq(0x55555ac6cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3402578119", 4096) = 28 getrandom("\x37\x2a\x71\x41\x47\x64\xf0\x8d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555ac6cd00 brk(0x55555ac8dd00) = 0x55555ac8dd00 brk(0x55555ac8e000) = 0x55555ac8e000 mprotect(0x7f4435069000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555ac6c650) = 5219 ./strace-static-x86_64: Process 5219 attached [pid 5218] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5219] set_robust_list(0x55555ac6c660, 24./strace-static-x86_64: Process 5220 attached ) = 0 [pid 5218] <... clone resumed>, child_tidptr=0x55555ac6c650) = 5220 [pid 5220] set_robust_list(0x55555ac6c660, 24) = 0 [pid 5219] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5220] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5218] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5223 attached ./strace-static-x86_64: Process 5222 attached ./strace-static-x86_64: Process 5221 attached [pid 5221] set_robust_list(0x55555ac6c660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x55555ac6c650) = 5223 [pid 5219] <... clone resumed>, child_tidptr=0x55555ac6c650) = 5221 [pid 5218] <... clone resumed>, child_tidptr=0x55555ac6c650) = 5222 [pid 5223] set_robust_list(0x55555ac6c660, 24 [pid 5222] set_robust_list(0x55555ac6c660, 24 [pid 5218] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5223] <... set_robust_list resumed>) = 0 [pid 5222] <... set_robust_list resumed>) = 0 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5222] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL [ 63.574857][ T29] audit: type=1400 audit(1729159729.796:88): avc: denied { execmem } for pid=5218 comm="syz-executor340" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5221] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5225 attached ./strace-static-x86_64: Process 5224 attached [pid 5223] <... prctl resumed>) = 0 [pid 5221] setpgid(0, 0 [pid 5218] <... clone resumed>, child_tidptr=0x55555ac6c650) = 5224 [pid 5224] set_robust_list(0x55555ac6c660, 24 [pid 5223] setpgid(0, 0 [pid 5221] <... setpgid resumed>) = 0 [pid 5218] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5225] set_robust_list(0x55555ac6c660, 24 [pid 5223] <... setpgid resumed>) = 0 [pid 5222] <... clone resumed>, child_tidptr=0x55555ac6c650) = 5225 [pid 5225] <... set_robust_list resumed>) = 0 [pid 5223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5224] <... set_robust_list resumed>) = 0 [pid 5223] <... openat resumed>) = 3 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5226 attached [pid 5225] <... prctl resumed>) = 0 [pid 5218] <... clone resumed>, child_tidptr=0x55555ac6c650) = 5226 [pid 5226] set_robust_list(0x55555ac6c660, 24 [pid 5224] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5223] write(3, "1000", 4 [pid 5221] <... openat resumed>) = 3 [pid 5226] <... set_robust_list resumed>) = 0 [pid 5225] setpgid(0, 0 [pid 5221] write(3, "1000", 4./strace-static-x86_64: Process 5227 attached [pid 5226] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5225] <... setpgid resumed>) = 0 [pid 5223] <... write resumed>) = 4 [pid 5221] <... write resumed>) = 4 [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5223] close(3 [pid 5221] close(3 [pid 5227] set_robust_list(0x55555ac6c660, 24 [pid 5225] <... openat resumed>) = 3 [pid 5224] <... clone resumed>, child_tidptr=0x55555ac6c650) = 5227 [pid 5223] <... close resumed>) = 0 [pid 5221] <... close resumed>) = 0 [pid 5227] <... set_robust_list resumed>) = 0 [pid 5225] write(3, "1000", 4 [pid 5223] write(1, "executing program\n", 18executing program ./strace-static-x86_64: Process 5228 attached [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5225] <... write resumed>) = 4 [pid 5223] <... write resumed>) = 18 [pid 5228] set_robust_list(0x55555ac6c660, 24 [pid 5227] <... prctl resumed>) = 0 [pid 5226] <... clone resumed>, child_tidptr=0x55555ac6c650) = 5228 [pid 5225] close(3executing program [pid 5223] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5228] <... set_robust_list resumed>) = 0 [pid 5227] setpgid(0, 0 [pid 5225] <... close resumed>) = 0 [pid 5221] write(1, "executing program\n", 18 [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5225] write(1, "executing program\n", 18 [pid 5221] <... write resumed>) = 18 [pid 5227] <... setpgid resumed>) = 0 [pid 5221] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000executing program [pid 5228] <... prctl resumed>) = 0 [pid 5225] <... write resumed>) = 18 [pid 5223] <... open resumed>) = 3 [pid 5221] <... open resumed>) = 3 [pid 5228] setpgid(0, 0 [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5225] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5223] pipe2( [pid 5221] pipe2( [pid 5228] <... setpgid resumed>) = 0 [pid 5227] <... openat resumed>) = 3 [pid 5225] <... open resumed>) = 3 [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5227] write(3, "1000", 4 [pid 5225] pipe2( [pid 5223] <... pipe2 resumed>[4, 5], 0) = 0 [pid 5221] <... pipe2 resumed>[4, 5], 0) = 0 [pid 5228] <... openat resumed>) = 3 [pid 5221] dup(5 [pid 5227] <... write resumed>) = 4 [pid 5225] <... pipe2 resumed>[4, 5], 0) = 0 [pid 5223] dup(5 [pid 5221] <... dup resumed>) = 6 [pid 5228] write(3, "1000", 4 [pid 5227] close(3 [pid 5225] dup(5 [pid 5223] <... dup resumed>) = 6 executing program [pid 5221] mount(NULL, "./bus", "9p", 0, "trans=fd,rfdno=0x0000000000000004,wfdno=0x0000000000000006,version=9p2000,k" [pid 5228] <... write resumed>) = 4 [pid 5227] <... close resumed>) = 0 [pid 5225] <... dup resumed>) = 6 [pid 5223] mount(NULL, "./bus", "9p", 0, "trans=fd,rfdno=0x0000000000000004,wfdno=0x0000000000000006,version=9p2000,k" [pid 5228] close(3 [pid 5227] write(1, "executing program\n", 18 [pid 5225] mount(NULL, "./bus", "9p", 0, "trans=fd,rfdno=0x0000000000000004,wfdno=0x0000000000000006,version=9p2000,k" [pid 5228] <... close resumed>) = 0 [pid 5227] <... write resumed>) = 18 executing program [pid 5228] write(1, "executing program\n", 18 [pid 5227] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5228] <... write resumed>) = 18 [pid 5227] <... open resumed>) = 3 [pid 5228] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5227] pipe2([4, 5], 0) = 0 [pid 5227] dup(5) = 6 [pid 5227] mount(NULL, "./bus", "9p", 0, "trans=fd,rfdno=0x0000000000000004,wfdno=0x0000000000000006,version=9p2000,k" [pid 5228] <... open resumed>) = 3 [ 63.673750][ T29] audit: type=1400 audit(1729159729.896:89): avc: denied { mounton } for pid=5221 comm="syz-executor340" path="/root/bus" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=file permissive=1 [ 63.687686][ T5223] ------------[ cut here ]------------ [ 63.702167][ T5223] kmem_cache of name '9p-fcall-cache' already exists [pid 5228] pipe2([4, 5], 0) = 0 [pid 5228] dup(5) = 6 [ 63.716818][ T5223] WARNING: CPU: 1 PID: 5223 at mm/slab_common.c:107 __kmem_cache_create_args+0xb0/0x3c0 [ 63.726774][ T5223] Modules linked in: [ 63.730739][ T5223] CPU: 1 UID: 0 PID: 5223 Comm: syz-executor340 Not tainted 6.12.0-rc3-syzkaller-00087-gc964ced77262 #0 [ 63.741910][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.752035][ T5223] RIP: 0010:__kmem_cache_create_args+0xb0/0x3c0 [ 63.758329][ T5223] Code: 98 48 3d f0 d5 31 8e 74 25 48 8b 7b 60 48 89 ee e8 75 db 42 09 85 c0 75 e0 90 48 c7 c7 10 16 7b 8d 48 89 ee e8 01 17 7e ff 90 <0f> 0b 90 90 be 20 00 00 00 48 89 ef e8 ff dc 42 09 48 85 c0 0f 85 [ 63.778513][ T5223] RSP: 0018:ffffc90003cc7900 EFLAGS: 00010282 [ 63.784676][ T5223] RAX: 0000000000000000 RBX: ffff88814adb7780 RCX: ffffffff814e71a9 [ 63.792703][ T5223] RDX: ffff888078c38000 RSI: ffffffff814e71b6 RDI: 0000000000000001 [ 63.800710][ T5223] RBP: ffffffff8cc392a0 R08: 0000000000000001 R09: 0000000000000000 [ 63.808678][ T5223] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 63.816719][ T5223] R13: 0000000000020018 R14: ffffc90003cc79f0 R15: 0000000000020018 [ 63.824733][ T5223] FS: 000055555ac6c380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 63.833710][ T5223] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.840347][ T5223] CR2: 000055fce211d048 CR3: 000000007f62c000 CR4: 00000000003526f0 [ 63.848336][ T5223] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.856370][ T5223] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.864383][ T5223] Call Trace: [ 63.867666][ T5223] [ 63.870642][ T5223] ? __warn+0xea/0x3d0 [ 63.874746][ T5223] ? __kmem_cache_create_args+0xb0/0x3c0 [ 63.880430][ T5223] ? report_bug+0x3c0/0x580 [ 63.884968][ T5223] ? handle_bug+0x54/0xa0 [ 63.889304][ T5223] ? exc_invalid_op+0x17/0x50 [ 63.894048][ T5223] ? asm_exc_invalid_op+0x1a/0x20 [ 63.899115][ T5223] ? __warn_printk+0x199/0x350 [ 63.903964][ T5223] ? __warn_printk+0x1a6/0x350 [ 63.908767][ T5223] ? __kmem_cache_create_args+0xb0/0x3c0 [ 63.914827][ T5223] p9_client_create+0xebd/0x11b0 [ 63.919806][ T5223] ? __pfx_p9_client_create+0x10/0x10 [ 63.925258][ T5223] ? __raw_spin_lock_init+0x3a/0x110 [ 63.930590][ T5223] v9fs_session_init+0x1f8/0x1a80 [ 63.935650][ T5223] ? __pfx_v9fs_session_init+0x10/0x10 [ 63.941169][ T5223] ? kasan_save_track+0x14/0x30 [ 63.946044][ T5223] v9fs_mount+0xc6/0xa50 [ 63.950333][ T5223] ? __pfx_v9fs_mount+0x10/0x10 [ 63.955208][ T5223] ? selinux_sb_eat_lsm_opts+0x594/0x700 [ 63.960906][ T5223] ? cap_capable+0x1cf/0x240 [ 63.965533][ T5223] ? __pfx_v9fs_mount+0x10/0x10 [ 63.970453][ T5223] legacy_get_tree+0x109/0x220 [ 63.975246][ T5223] vfs_get_tree+0x8f/0x380 [ 63.979671][ T5223] path_mount+0x14e6/0x1f20 [ 63.984245][ T5223] ? kmem_cache_free+0x152/0x4b0 [ 63.989216][ T5223] ? __pfx_path_mount+0x10/0x10 [ 63.994163][ T5223] ? putname+0x12e/0x170 [ 63.998459][ T5223] __x64_sys_mount+0x294/0x320 [ 64.003300][ T5223] ? __pfx___x64_sys_mount+0x10/0x10 [ 64.008728][ T5223] ? _raw_spin_unlock_irq+0x2e/0x50 [ 64.013992][ T5223] ? ptrace_notify+0xf1/0x130 [ 64.018710][ T5223] do_syscall_64+0xcd/0x250 [ 64.023310][ T5223] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.029250][ T5223] RIP: 0033:0x7f4434ff5ea9 [ 64.033743][ T5223] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 64.053404][ T5223] RSP: 002b:00007ffe887ba238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.061866][ T5223] RAX: ffffffffffffffda RBX: 00007f443503f04e RCX: 00007f4434ff5ea9 [ 64.069865][ T5223] RDX: 00000000200001c0 RSI: 00000000200004c0 RDI: 0000000000000000 [ 64.077883][ T5223] RBP: 00000000000f4240 R08: 0000000020000700 R09: 00000000000000a0 [ 64.085930][ T5223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 64.093964][ T5223] R13: 00007ffe887ba458 R14: 00007ffe887ba260 R15: 00007ffe887ba250 [ 64.102006][ T5223] [ 64.105018][ T5223] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 64.112312][ T5223] CPU: 1 UID: 0 PID: 5223 Comm: syz-executor340 Not tainted 6.12.0-rc3-syzkaller-00087-gc964ced77262 #0 [ 64.123410][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 64.133458][ T5223] Call Trace: [ 64.136726][ T5223] [ 64.139668][ T5223] dump_stack_lvl+0x3d/0x1f0 [ 64.144265][ T5223] panic+0x71d/0x800 [ 64.148173][ T5223] ? __pfx_panic+0x10/0x10 [ 64.152610][ T5223] ? show_trace_log_lvl+0x29d/0x3d0 [ 64.157819][ T5223] ? check_panic_on_warn+0x1f/0xb0 [ 64.162947][ T5223] ? __kmem_cache_create_args+0xb0/0x3c0 [ 64.168588][ T5223] check_panic_on_warn+0xab/0xb0 [ 64.173537][ T5223] __warn+0xf6/0x3d0 [ 64.177442][ T5223] ? __kmem_cache_create_args+0xb0/0x3c0 [ 64.183087][ T5223] report_bug+0x3c0/0x580 [ 64.187427][ T5223] handle_bug+0x54/0xa0 [ 64.191599][ T5223] exc_invalid_op+0x17/0x50 [ 64.196111][ T5223] asm_exc_invalid_op+0x1a/0x20 [ 64.200973][ T5223] RIP: 0010:__kmem_cache_create_args+0xb0/0x3c0 [ 64.207224][ T5223] Code: 98 48 3d f0 d5 31 8e 74 25 48 8b 7b 60 48 89 ee e8 75 db 42 09 85 c0 75 e0 90 48 c7 c7 10 16 7b 8d 48 89 ee e8 01 17 7e ff 90 <0f> 0b 90 90 be 20 00 00 00 48 89 ef e8 ff dc 42 09 48 85 c0 0f 85 [ 64.226918][ T5223] RSP: 0018:ffffc90003cc7900 EFLAGS: 00010282 [ 64.232989][ T5223] RAX: 0000000000000000 RBX: ffff88814adb7780 RCX: ffffffff814e71a9 [ 64.240960][ T5223] RDX: ffff888078c38000 RSI: ffffffff814e71b6 RDI: 0000000000000001 [ 64.248931][ T5223] RBP: ffffffff8cc392a0 R08: 0000000000000001 R09: 0000000000000000 [ 64.256901][ T5223] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 64.264890][ T5223] R13: 0000000000020018 R14: ffffc90003cc79f0 R15: 0000000000020018 [ 64.272871][ T5223] ? __warn_printk+0x199/0x350 [ 64.277651][ T5223] ? __warn_printk+0x1a6/0x350 [ 64.282431][ T5223] p9_client_create+0xebd/0x11b0 [ 64.287386][ T5223] ? __pfx_p9_client_create+0x10/0x10 [ 64.292783][ T5223] ? __raw_spin_lock_init+0x3a/0x110 [ 64.298085][ T5223] v9fs_session_init+0x1f8/0x1a80 [ 64.303130][ T5223] ? __pfx_v9fs_session_init+0x10/0x10 [ 64.308694][ T5223] ? kasan_save_track+0x14/0x30 [ 64.313553][ T5223] v9fs_mount+0xc6/0xa50 [ 64.317803][ T5223] ? __pfx_v9fs_mount+0x10/0x10 [ 64.322661][ T5223] ? selinux_sb_eat_lsm_opts+0x594/0x700 [ 64.328304][ T5223] ? cap_capable+0x1cf/0x240 [ 64.332912][ T5223] ? __pfx_v9fs_mount+0x10/0x10 [ 64.337767][ T5223] legacy_get_tree+0x109/0x220 [ 64.342542][ T5223] vfs_get_tree+0x8f/0x380 [ 64.346971][ T5223] path_mount+0x14e6/0x1f20 [ 64.351487][ T5223] ? kmem_cache_free+0x152/0x4b0 [ 64.356432][ T5223] ? __pfx_path_mount+0x10/0x10 [ 64.361296][ T5223] ? putname+0x12e/0x170 [ 64.365567][ T5223] __x64_sys_mount+0x294/0x320 [ 64.370343][ T5223] ? __pfx___x64_sys_mount+0x10/0x10 [ 64.375639][ T5223] ? _raw_spin_unlock_irq+0x2e/0x50 [ 64.380842][ T5223] ? ptrace_notify+0xf1/0x130 [ 64.385529][ T5223] do_syscall_64+0xcd/0x250 [ 64.390045][ T5223] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.395948][ T5223] RIP: 0033:0x7f4434ff5ea9 [ 64.400365][ T5223] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 64.419975][ T5223] RSP: 002b:00007ffe887ba238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.428390][ T5223] RAX: ffffffffffffffda RBX: 00007f443503f04e RCX: 00007f4434ff5ea9 [ 64.436362][ T5223] RDX: 00000000200001c0 RSI: 00000000200004c0 RDI: 0000000000000000 [ 64.444332][ T5223] RBP: 00000000000f4240 R08: 0000000020000700 R09: 00000000000000a0 [ 64.452302][ T5223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 64.460272][ T5223] R13: 00007ffe887ba458 R14: 00007ffe887ba260 R15: 00007ffe887ba250 [ 64.468257][ T5223] [ 64.471530][ T5223] Kernel Offset: disabled [ 64.475890][ T5223] Rebooting in 86400 seconds..