./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1275009748 <...> Warning: Permanently added '10.128.1.37' (ED25519) to the list of known hosts. execve("./syz-executor1275009748", ["./syz-executor1275009748"], 0x7ffff63138f0 /* 10 vars */) = 0 brk(NULL) = 0x55557cd5a000 brk(0x55557cd5ad00) = 0x55557cd5ad00 arch_prctl(ARCH_SET_FS, 0x55557cd5a380) = 0 set_tid_address(0x55557cd5a650) = 5227 set_robust_list(0x55557cd5a660, 24) = 0 rseq(0x55557cd5aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1275009748", 4096) = 28 getrandom("\xda\x6a\x1d\x95\x92\xcc\x6e\xe0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557cd5ad00 brk(0x55557cd7bd00) = 0x55557cd7bd00 brk(0x55557cd7c000) = 0x55557cd7c000 mprotect(0x7fd9df3dd000, 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./strace-static-x86_64: Process 5228 attached [pid 5228] set_robust_list(0x55557cd5a660, 24 [pid 5227] <... clone resumed>, child_tidptr=0x55557cd5a650) = 5228 [pid 5228] <... set_robust_list resumed>) = 0 [pid 5228] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5230 attached ./strace-static-x86_64: Process 5229 attached , child_tidptr=0x55557cd5a650) = 5230 [pid 5230] set_robust_list(0x55557cd5a660, 24 [pid 5229] set_robust_list(0x55557cd5a660, 24 [pid 5228] <... clone resumed>, child_tidptr=0x55557cd5a650) = 5229 [pid 5230] <... set_robust_list resumed>) = 0 [pid 5229] <... set_robust_list resumed>) = 0 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5229] setpgid(0, 0./strace-static-x86_64: Process 5231 attached [pid 5230] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5227] <... clone resumed>, child_tidptr=0x55557cd5a650) = 5231 [pid 5231] set_robust_list(0x55557cd5a660, 24 [pid 5229] <... setpgid resumed>) = 0 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5231] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5232 attached [pid 5231] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5230] <... clone resumed>, child_tidptr=0x55557cd5a650) = 5232 ./strace-static-x86_64: Process 5234 attached ./strace-static-x86_64: Process 5233 attached [pid 5227] <... clone resumed>, child_tidptr=0x55557cd5a650) = 5233 [pid 5232] set_robust_list(0x55557cd5a660, 24 [pid 5229] <... openat resumed>) = 3 [pid 5232] <... set_robust_list resumed>) = 0 [pid 5234] set_robust_list(0x55557cd5a660, 24 [pid 5227] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5234] <... set_robust_list resumed>) = 0 [pid 5233] set_robust_list(0x55557cd5a660, 24 [pid 5232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5229] write(3, "1000", 4 [pid 5232] <... prctl resumed>) = 0 [pid 5232] setpgid(0, 0 [pid 5233] <... set_robust_list resumed>) = 0 [pid 5231] <... clone resumed>, child_tidptr=0x55557cd5a650) = 5234 [pid 5229] <... write resumed>) = 4 ./strace-static-x86_64: Process 5235 attached [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5232] <... setpgid resumed>) = 0 [pid 5229] close(3 [pid 5227] <... clone resumed>, child_tidptr=0x55557cd5a650) = 5235 [pid 5235] set_robust_list(0x55557cd5a660, 24 [pid 5234] <... prctl resumed>) = 0 [pid 5233] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] <... close resumed>) = 0 [pid 5235] <... set_robust_list resumed>) = 0 [pid 5234] setpgid(0, 0 [pid 5229] write(1, "executing program\n", 18executing program ./strace-static-x86_64: Process 5236 attached [pid 5235] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5234] <... setpgid resumed>) = 0 [pid 5232] <... openat resumed>) = 3 [pid 5229] <... write resumed>) = 18 ./strace-static-x86_64: Process 5237 attached [pid 5236] set_robust_list(0x55557cd5a660, 24 [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5233] <... clone resumed>, child_tidptr=0x55557cd5a650) = 5236 executing program [pid 5236] <... set_robust_list resumed>) = 0 [pid 5229] creat("./file0", 000 [pid 5237] set_robust_list(0x55557cd5a660, 24 [pid 5235] <... clone resumed>, child_tidptr=0x55557cd5a650) = 5237 [pid 5232] write(3, "1000", 4 [pid 5237] <... set_robust_list resumed>) = 0 [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5232] <... write resumed>) = 4 [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5232] close(3) = 0 [pid 5232] write(1, "executing program\n", 18 [pid 5229] <... creat resumed>) = 3 [pid 5237] <... prctl resumed>) = 0 [pid 5232] <... write resumed>) = 18 [pid 5237] setpgid(0, 0 [pid 5232] creat("./file0", 000 [pid 5237] <... setpgid resumed>) = 0 [pid 5234] <... openat resumed>) = 3 [pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5236] <... prctl resumed>) = 0 [pid 5234] write(3, "1000", 4 [pid 5236] setpgid(0, 0 [pid 5234] <... write resumed>) = 4 [pid 5232] <... creat resumed>) = 3 [pid 5229] pipe2( [pid 5237] <... openat resumed>) = 3 [pid 5236] <... setpgid resumed>) = 0 [pid 5234] close(3 [pid 5232] pipe2( [pid 5237] write(3, "1000", 4executing program [pid 5234] <... close resumed>) = 0 [pid 5232] <... pipe2 resumed>[4, 5], 0) = 0 [pid 5237] <... write resumed>) = 4 [pid 5234] write(1, "executing program\n", 18 [pid 5229] <... pipe2 resumed>[4, 5], 0) = 0 [pid 5237] close(3) = 0 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5237] write(1, "executing program\n", 18executing program [pid 5234] <... write resumed>) = 18 [pid 5232] dup(5 [pid 5237] <... write resumed>) = 18 [pid 5237] creat("./file0", 000 [pid 5234] creat("./file0", 000 [pid 5237] <... creat resumed>) = 3 [pid 5236] <... openat resumed>) = 3 [pid 5232] <... dup resumed>) = 6 [pid 5229] dup(5 [pid 5237] pipe2( [pid 5236] write(3, "1000", 4 [pid 5229] <... dup resumed>) = 6 [pid 5237] <... pipe2 resumed>[4, 5], 0) = 0 [pid 5236] <... write resumed>) = 4 [pid 5234] <... creat resumed>) = 3 [pid 5232] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000004,wfdno=0x0000000000000006,k" [pid 5229] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000004,wfdno=0x0000000000000006,k" [pid 5237] dup(5 [pid 5236] close(3 [pid 5234] pipe2(executing program [pid 5236] <... close resumed>) = 0 [pid 5234] <... pipe2 resumed>[4, 5], 0) = 0 [pid 5237] <... dup resumed>) = 6 [pid 5236] write(1, "executing program\n", 18 [pid 5237] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000004,wfdno=0x0000000000000006,k" [pid 5236] <... write resumed>) = 18 [pid 5236] creat("./file0", 000 [pid 5234] dup(5 [pid 5236] <... creat resumed>) = 3 [pid 5236] pipe2( [pid 5234] <... dup resumed>) = 6 [pid 5236] <... pipe2 resumed>[4, 5], 0) = 0 [pid 5234] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000004,wfdno=0x0000000000000006,k" [pid 5236] dup(5) = 6 [ 72.176187][ T5237] ------------[ cut here ]------------ [ 72.181870][ T5237] kmem_cache of name '9p-fcall-cache-(null)' already exists [ 72.194856][ T5237] WARNING: CPU: 1 PID: 5237 at mm/slab_common.c:108 __kmem_cache_create_args+0xa7/0x350 [ 72.204867][ T5237] Modules linked in: [ 72.208831][ T5237] CPU: 1 UID: 0 PID: 5237 Comm: syz-executor127 Not tainted 6.12.0-rc1-next-20241003-syzkaller #0 [ 72.219591][ T5237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 72.229723][ T5237] RIP: 0010:__kmem_cache_create_args+0xa7/0x350 [ 72.236034][ T5237] Code: 8e 48 8b 1b 48 39 eb 74 25 48 8b 7b f8 4c 89 fe e8 8e 70 e3 09 85 c0 75 e8 90 48 c7 c7 fb a8 0b 8e 4c 89 fe e8 3a 8d 78 ff 90 <0f> 0b 90 90 4c 89 ff be 20 00 00 00 e8 e8 71 e3 09 48 85 c0 0f 85 [ 72.255823][ T5237] RSP: 0018:ffffc9000348f788 EFLAGS: 00010246 [ 72.261947][ T5237] RAX: be9f5e7fc8d3af00 RBX: ffff88814d61ace8 RCX: ffff888042fbda00 [ 72.270012][ T5237] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 72.278070][ T5237] RBP: ffffffff8ea1f740 R08: ffffffff8155d412 R09: fffffbfff1cf9fd8 [ 72.286125][ T5237] R10: dffffc0000000000 R11: fffffbfff1cf9fd8 R12: 0000000000020018 [ 72.294231][ T5237] R13: 0000000000000000 R14: ffffc9000348f860 R15: ffff88802f8daf80 [ 72.302270][ T5237] FS: 000055557cd5a380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 72.311836][ T5237] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.318518][ T5237] CR2: 0000000020001000 CR3: 0000000076502000 CR4: 00000000003526f0 [ 72.326661][ T5237] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.334703][ T5237] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.342707][ T5237] Call Trace: [ 72.346066][ T5237] [ 72.349034][ T5237] ? __warn+0x168/0x4e0 [ 72.353222][ T5237] ? __kmem_cache_create_args+0xa7/0x350 [ 72.358972][ T5237] ? report_bug+0x2b3/0x500 [ 72.363532][ T5237] ? __kmem_cache_create_args+0xa7/0x350 [ 72.369248][ T5237] ? handle_bug+0x60/0x90 [ 72.373680][ T5237] ? exc_invalid_op+0x1a/0x50 [ 72.378411][ T5237] ? asm_exc_invalid_op+0x1a/0x20 [ 72.383506][ T5237] ? __warn_printk+0x292/0x360 [ 72.388352][ T5237] ? __kmem_cache_create_args+0xa7/0x350 [ 72.394065][ T5237] ? __kmem_cache_create_args+0xa6/0x350 [ 72.399760][ T5237] p9_client_create+0xbc0/0x1150 [ 72.404781][ T5237] ? __pfx_p9_client_create+0x10/0x10 [ 72.410288][ T5237] ? __asan_memset+0x23/0x50 [ 72.414963][ T5237] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 72.420827][ T5237] ? __raw_spin_lock_init+0x45/0x100 [ 72.426229][ T5237] v9fs_session_init+0x1e4/0x1b80 [ 72.431329][ T5237] ? __pfx_v9fs_session_init+0x10/0x10 [ 72.436929][ T5237] ? __kasan_kmalloc+0x98/0xb0 [ 72.441909][ T5237] ? __kmalloc_cache_noprof+0x243/0x390 [ 72.447535][ T5237] ? v9fs_mount+0xb2/0xaa0 [ 72.452049][ T5237] v9fs_mount+0xcf/0xaa0 [ 72.456371][ T5237] ? __pfx_aa_get_newest_label+0x10/0x10 [ 72.462063][ T5237] ? __pfx_v9fs_mount+0x10/0x10 [ 72.467001][ T5237] ? __kmalloc_cache_noprof+0x243/0x390 [ 72.472628][ T5237] legacy_get_tree+0xee/0x190 [ 72.477393][ T5237] ? __pfx_v9fs_mount+0x10/0x10 [ 72.482314][ T5237] vfs_get_tree+0x90/0x2b0 [ 72.486846][ T5237] do_new_mount+0x2be/0xb40 [ 72.491411][ T5237] ? __pfx_do_new_mount+0x10/0x10 [ 72.496595][ T5237] __se_sys_mount+0x2d6/0x3c0 [ 72.501315][ T5237] ? __pfx___se_sys_mount+0x10/0x10 [ 72.506607][ T5237] ? exc_page_fault+0x590/0x8c0 [ 72.511510][ T5237] ? __x64_sys_mount+0x20/0xc0 [ 72.516348][ T5237] do_syscall_64+0xf3/0x230 [ 72.520895][ T5237] ? clear_bhb_loop+0x35/0x90 [ 72.525684][ T5237] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.531632][ T5237] RIP: 0033:0x7fd9df369e69 [ 72.536137][ T5237] 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 [ 72.555819][ T5237] RSP: 002b:00007ffc56ae2068 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.564329][ T5237] RAX: ffffffffffffffda RBX: 00007fd9df3b304e RCX: 00007fd9df369e69 [ 72.572341][ T5237] RDX: 0000000020000040 RSI: 0000000020000000 RDI: 0000000000000000 [ 72.580430][ T5237] RBP: 00000000000f4240 R08: 0000000020000180 R09: 00000000000000a0 [ 72.588550][ T5237] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 72.596602][ T5237] R13: 00007ffc56ae2288 R14: 00007ffc56ae2090 R15: 00007ffc56ae2080 [ 72.604686][ T5237] [ 72.607749][ T5237] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 72.615050][ T5237] CPU: 1 UID: 0 PID: 5237 Comm: syz-executor127 Not tainted 6.12.0-rc1-next-20241003-syzkaller #0 [ 72.625643][ T5237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 72.635709][ T5237] Call Trace: [ 72.639007][ T5237] [ 72.641944][ T5237] dump_stack_lvl+0x241/0x360 [ 72.646643][ T5237] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.651866][ T5237] ? __pfx__printk+0x10/0x10 [ 72.656492][ T5237] ? vscnprintf+0x5d/0x90 [ 72.660827][ T5237] panic+0x349/0x880 [ 72.664735][ T5237] ? __warn+0x177/0x4e0 [ 72.668891][ T5237] ? __pfx_panic+0x10/0x10 [ 72.673369][ T5237] __warn+0x34b/0x4e0 [ 72.677394][ T5237] ? __kmem_cache_create_args+0xa7/0x350 [ 72.683075][ T5237] report_bug+0x2b3/0x500 [ 72.687438][ T5237] ? __kmem_cache_create_args+0xa7/0x350 [ 72.693192][ T5237] handle_bug+0x60/0x90 [ 72.697376][ T5237] exc_invalid_op+0x1a/0x50 [ 72.701910][ T5237] asm_exc_invalid_op+0x1a/0x20 [ 72.706869][ T5237] RIP: 0010:__kmem_cache_create_args+0xa7/0x350 [ 72.713141][ T5237] Code: 8e 48 8b 1b 48 39 eb 74 25 48 8b 7b f8 4c 89 fe e8 8e 70 e3 09 85 c0 75 e8 90 48 c7 c7 fb a8 0b 8e 4c 89 fe e8 3a 8d 78 ff 90 <0f> 0b 90 90 4c 89 ff be 20 00 00 00 e8 e8 71 e3 09 48 85 c0 0f 85 [ 72.732862][ T5237] RSP: 0018:ffffc9000348f788 EFLAGS: 00010246 [ 72.738949][ T5237] RAX: be9f5e7fc8d3af00 RBX: ffff88814d61ace8 RCX: ffff888042fbda00 [ 72.746934][ T5237] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 72.754913][ T5237] RBP: ffffffff8ea1f740 R08: ffffffff8155d412 R09: fffffbfff1cf9fd8 [ 72.762910][ T5237] R10: dffffc0000000000 R11: fffffbfff1cf9fd8 R12: 0000000000020018 [ 72.770890][ T5237] R13: 0000000000000000 R14: ffffc9000348f860 R15: ffff88802f8daf80 [ 72.778897][ T5237] ? __warn_printk+0x292/0x360 [ 72.783738][ T5237] ? __kmem_cache_create_args+0xa6/0x350 [ 72.789398][ T5237] p9_client_create+0xbc0/0x1150 [ 72.794377][ T5237] ? __pfx_p9_client_create+0x10/0x10 [ 72.799874][ T5237] ? __asan_memset+0x23/0x50 [ 72.804485][ T5237] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 72.810329][ T5237] ? __raw_spin_lock_init+0x45/0x100 [ 72.815658][ T5237] v9fs_session_init+0x1e4/0x1b80 [ 72.820719][ T5237] ? __pfx_v9fs_session_init+0x10/0x10 [ 72.826200][ T5237] ? __kasan_kmalloc+0x98/0xb0 [ 72.830981][ T5237] ? __kmalloc_cache_noprof+0x243/0x390 [ 72.836542][ T5237] ? v9fs_mount+0xb2/0xaa0 [ 72.840977][ T5237] v9fs_mount+0xcf/0xaa0 [ 72.845281][ T5237] ? __pfx_aa_get_newest_label+0x10/0x10 [ 72.850949][ T5237] ? __pfx_v9fs_mount+0x10/0x10 [ 72.855826][ T5237] ? __kmalloc_cache_noprof+0x243/0x390 [ 72.861413][ T5237] legacy_get_tree+0xee/0x190 [ 72.866126][ T5237] ? __pfx_v9fs_mount+0x10/0x10 [ 72.871007][ T5237] vfs_get_tree+0x90/0x2b0 [ 72.875441][ T5237] do_new_mount+0x2be/0xb40 [ 72.879979][ T5237] ? __pfx_do_new_mount+0x10/0x10 [ 72.885035][ T5237] __se_sys_mount+0x2d6/0x3c0 [ 72.889742][ T5237] ? __pfx___se_sys_mount+0x10/0x10 [ 72.894955][ T5237] ? exc_page_fault+0x590/0x8c0 [ 72.899822][ T5237] ? __x64_sys_mount+0x20/0xc0 [ 72.904603][ T5237] do_syscall_64+0xf3/0x230 [ 72.909124][ T5237] ? clear_bhb_loop+0x35/0x90 [ 72.913823][ T5237] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.919731][ T5237] RIP: 0033:0x7fd9df369e69 [ 72.924154][ T5237] 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 [ 72.943862][ T5237] RSP: 002b:00007ffc56ae2068 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.952288][ T5237] RAX: ffffffffffffffda RBX: 00007fd9df3b304e RCX: 00007fd9df369e69 [ 72.960270][ T5237] RDX: 0000000020000040 RSI: 0000000020000000 RDI: 0000000000000000 [ 72.968268][ T5237] RBP: 00000000000f4240 R08: 0000000020000180 R09: 00000000000000a0 [ 72.976355][ T5237] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 72.984330][ T5237] R13: 00007ffc56ae2288 R14: 00007ffc56ae2090 R15: 00007ffc56ae2080 [ 72.992331][ T5237] [ 72.995694][ T5237] Kernel Offset: disabled [ 73.000169][ T5237] Rebooting in 86400 seconds..