./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2656530567 <...> Warning: Permanently added '10.128.1.152' (ED25519) to the list of known hosts. execve("./syz-executor2656530567", ["./syz-executor2656530567"], 0x7fffb34d8890 /* 10 vars */) = 0 brk(NULL) = 0x5555769c8000 brk(0x5555769c8d00) = 0x5555769c8d00 arch_prctl(ARCH_SET_FS, 0x5555769c8380) = 0 set_tid_address(0x5555769c8650) = 5221 set_robust_list(0x5555769c8660, 24) = 0 rseq(0x5555769c8ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2656530567", 4096) = 28 getrandom("\x28\x38\xb5\xa3\xc9\x6f\xc0\xab", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555769c8d00 brk(0x5555769e9d00) = 0x5555769e9d00 brk(0x5555769ea000) = 0x5555769ea000 mprotect(0x7f1728bda000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555769c8650) = 5222 ./strace-static-x86_64: Process 5222 attached [pid 5222] set_robust_list(0x5555769c8660, 24) = 0 [pid 5222] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 80.241354][ T29] audit: type=1400 audit(1725440342.003:88): avc: denied { execmem } for pid=5221 comm="syz-executor265" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5222] setsid() = 1 [pid 5222] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5222] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5222] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5222] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5222] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5222] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5222] unshare(CLONE_NEWNS) = 0 [ 80.269891][ T29] audit: type=1400 audit(1725440342.033:89): avc: denied { mounton } for pid=5222 comm="syz-executor265" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 80.294070][ T29] audit: type=1400 audit(1725440342.033:90): avc: denied { mount } for pid=5222 comm="syz-executor265" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [pid 5222] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5222] unshare(CLONE_NEWIPC) = 0 [pid 5222] unshare(CLONE_NEWCGROUP) = 0 [pid 5222] unshare(CLONE_NEWUTS) = 0 [pid 5222] unshare(CLONE_SYSVSEM) = 0 [pid 5222] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5222] write(3, "16777216", 8) = 8 [pid 5222] close(3) = 0 [ 80.341349][ T29] audit: type=1400 audit(1725440342.103:91): avc: denied { mounton } for pid=5222 comm="syz-executor265" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [pid 5222] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5222] write(3, "536870912", 9) = 9 [pid 5222] close(3) = 0 [pid 5222] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5222] write(3, "1024", 4) = 4 [pid 5222] close(3) = 0 [pid 5222] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5222] write(3, "8192", 4) = 4 [pid 5222] close(3) = 0 [pid 5222] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5222] write(3, "1024", 4) = 4 [pid 5222] close(3) = 0 [pid 5222] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5222] write(3, "1024", 4) = 4 [pid 5222] close(3) = 0 [pid 5222] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5222] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5222] close(3) = 0 [pid 5222] getpid() = 1 [pid 5222] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 e9 72 fc ff ff e8 3f cb b9 ff 90 0f 0b 48 c7 c7 58 76 14 [ 80.782240][ T5222] RSP: 0018:ffffc900035ef4d0 EFLAGS: 00010293 [ 80.788363][ T5222] RAX: 0000000000000000 RBX: 00007fde77c12000 RCX: ffffffff81d1f4f5 [ 80.796350][ T5222] RDX: ffff88801fb4da00 RSI: ffffffff81d1f503 RDI: 0000000000000005 [ 80.804410][ T5222] RBP: ffff88807ce1b9b0 R08: 0000000000000005 R09: 0000000000000000 [ 80.812427][ T5222] R10: 0000000000000000 R11: 00000000000000ef R12: 0000000000000000 [ 80.820545][ T5222] R13: ffffc900035ef530 R14: ffffc900035ef550 R15: ffff88807c049300 [ 80.828560][ T5222] FS: 00005555769c8380(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 80.837557][ T5222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.844147][ T5222] CR2: 0000000020000080 CR3: 0000000077302000 CR4: 00000000003506f0 [ 80.852250][ T5222] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.860290][ T5222] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.868289][ T5222] Call Trace: [ 80.871571][ T5222] [ 80.874487][ T5222] ? show_regs+0x8c/0xa0 [ 80.878795][ T5222] ? __warn+0xe5/0x3c0 [ 80.882884][ T5222] ? follow_pte+0x414/0x4c0 [ 80.887444][ T5222] ? report_bug+0x3c0/0x580 [ 80.891970][ T5222] ? handle_bug+0x3d/0x70 [ 80.896292][ T5222] ? exc_invalid_op+0x17/0x50 [ 80.901028][ T5222] ? asm_exc_invalid_op+0x1a/0x20 [ 80.906066][ T5222] ? follow_pte+0x405/0x4c0 [ 80.910626][ T5222] ? follow_pte+0x413/0x4c0 [ 80.915152][ T5222] ? follow_pte+0x414/0x4c0 [ 80.919738][ T5222] get_pat_info+0xf2/0x510 [ 80.924179][ T5222] ? __pfx_get_pat_info+0x10/0x10 [ 80.929272][ T5222] untrack_pfn+0xf7/0x4d0 [ 80.933613][ T5222] ? __pfx_untrack_pfn+0x10/0x10 [ 80.938601][ T5222] ? zap_page_range_single+0x307/0x560 [ 80.944080][ T5222] ? __pfx_lock_release+0x10/0x10 [ 80.949138][ T5222] ? uprobe_munmap+0x20/0x5d0 [ 80.953832][ T5222] unmap_single_vma+0x1bd/0x2b0 [ 80.958752][ T5222] zap_page_range_single+0x326/0x560 [ 80.964059][ T5222] ? __pfx_zap_page_range_single+0x10/0x10 [ 80.969911][ T5222] ? __pfx___might_resched+0x10/0x10 [ 80.975219][ T5222] ? vma_interval_tree_subtree_search+0x14d/0x1b0 [ 80.981698][ T5222] unmap_mapping_range+0x1ee/0x280 [ 80.986831][ T5222] ? __pfx_unmap_mapping_range+0x10/0x10 [ 80.992506][ T5222] ? inode_newsize_ok+0x13b/0x200 [ 80.997592][ T5222] truncate_pagecache+0x53/0x90 [ 81.002435][ T5222] simple_setattr+0xf2/0x120 [ 81.007059][ T5222] notify_change+0xf41/0x1230 [ 81.011758][ T5222] do_truncate+0x15c/0x220 [ 81.016163][ T5222] ? __pfx_do_truncate+0x10/0x10 [ 81.021181][ T5222] path_openat+0x27a8/0x2d20 [ 81.025817][ T5222] ? __pfx_path_openat+0x10/0x10 [ 81.030789][ T5222] ? __pfx___lock_acquire+0x10/0x10 [ 81.036003][ T5222] ? find_held_lock+0x2d/0x110 [ 81.040865][ T5222] do_filp_open+0x1dc/0x430 [ 81.045396][ T5222] ? __pfx_do_filp_open+0x10/0x10 [ 81.050474][ T5222] ? find_held_lock+0x2d/0x110 [ 81.055292][ T5222] ? _raw_spin_unlock+0x28/0x50 [ 81.060213][ T5222] ? alloc_fd+0x2d7/0x6c0 [ 81.064557][ T5222] do_sys_openat2+0x17a/0x1e0 [ 81.069274][ T5222] ? __pfx_do_sys_openat2+0x10/0x10 [ 81.074489][ T5222] ? ptrace_notify+0xf1/0x130 [ 81.079225][ T5222] ? __pfx_lock_release+0x10/0x10 [ 81.084273][ T5222] __x64_sys_openat+0x175/0x210 [ 81.089161][ T5222] ? __pfx___x64_sys_openat+0x10/0x10 [ 81.094553][ T5222] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.099809][ T5222] ? _raw_spin_unlock_irq+0x2e/0x50 [ 81.105020][ T5222] ? ptrace_notify+0xf1/0x130 [ 81.109753][ T5222] do_syscall_64+0xcd/0x250 [ 81.114278][ T5222] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.120222][ T5222] RIP: 0033:0x7f1728b67859 [ 81.124653][ T5222] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 81.144329][ T5222] RSP: 002b:00007fffee7c13a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 81.152795][ T5222] RAX: ffffffffffffffda RBX: 00007f1728bb0105 RCX: 00007f1728b67859 [ 81.160834][ T5222] RDX: 0000000000000300 RSI: 0000000020000080 RDI: ffffffffffffff9c [ 81.168859][ T5222] RBP: 00007f1728bb00e3 R08: 0000000000000006 R09: 0000000000000006 [ 81.176844][ T5222] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1728bb509c [ 81.184907][ T5222] R13: 00007f1728bb00a3 R14: 0000000000000001 R15: 0000000000000001 [ 81.192956][ T5222] [ 81.195978][ T5222] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 81.203236][ T5222] CPU: 0 UID: 0 PID: 5222 Comm: syz-executor265 Not tainted 6.11.0-rc6-syzkaller-00026-g88fac17500f4 #0 [ 81.214319][ T5222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 81.224352][ T5222] Call Trace: [ 81.227618][ T5222] [ 81.230530][ T5222] dump_stack_lvl+0x3d/0x1f0 [ 81.235108][ T5222] panic+0x6dc/0x7c0 [ 81.238990][ T5222] ? __pfx_panic+0x10/0x10 [ 81.243389][ T5222] ? show_trace_log_lvl+0x363/0x500 [ 81.248585][ T5222] ? check_panic_on_warn+0x1f/0xb0 [ 81.253683][ T5222] ? follow_pte+0x414/0x4c0 [ 81.258172][ T5222] check_panic_on_warn+0xab/0xb0 [ 81.263096][ T5222] __warn+0xf1/0x3c0 [ 81.266979][ T5222] ? follow_pte+0x414/0x4c0 [ 81.271474][ T5222] report_bug+0x3c0/0x580 [ 81.275786][ T5222] handle_bug+0x3d/0x70 [ 81.279931][ T5222] exc_invalid_op+0x17/0x50 [ 81.284416][ T5222] asm_exc_invalid_op+0x1a/0x20 [ 81.289249][ T5222] RIP: 0010:follow_pte+0x414/0x4c0 [ 81.294349][ T5222] Code: bf 98 01 00 00 be ff ff ff ff e8 a7 d8 44 09 31 ff 41 89 c4 89 c6 e8 9b cd b9 ff 45 85 e4 0f 85 80 fc ff ff e8 4d cb b9 ff 90 <0f> 0b 90 e9 72 fc ff ff e8 3f cb b9 ff 90 0f 0b 48 c7 c7 58 76 14 [ 81.313951][ T5222] RSP: 0018:ffffc900035ef4d0 EFLAGS: 00010293 [ 81.320018][ T5222] RAX: 0000000000000000 RBX: 00007fde77c12000 RCX: ffffffff81d1f4f5 [ 81.327982][ T5222] RDX: ffff88801fb4da00 RSI: ffffffff81d1f503 RDI: 0000000000000005 [ 81.335951][ T5222] RBP: ffff88807ce1b9b0 R08: 0000000000000005 R09: 0000000000000000 [ 81.343914][ T5222] R10: 0000000000000000 R11: 00000000000000ef R12: 0000000000000000 [ 81.351877][ T5222] R13: ffffc900035ef530 R14: ffffc900035ef550 R15: ffff88807c049300 [ 81.359852][ T5222] ? follow_pte+0x405/0x4c0 [ 81.364360][ T5222] ? follow_pte+0x413/0x4c0 [ 81.368871][ T5222] get_pat_info+0xf2/0x510 [ 81.373287][ T5222] ? __pfx_get_pat_info+0x10/0x10 [ 81.378317][ T5222] untrack_pfn+0xf7/0x4d0 [ 81.382643][ T5222] ? __pfx_untrack_pfn+0x10/0x10 [ 81.387575][ T5222] ? zap_page_range_single+0x307/0x560 [ 81.393036][ T5222] ? __pfx_lock_release+0x10/0x10 [ 81.398062][ T5222] ? uprobe_munmap+0x20/0x5d0 [ 81.402740][ T5222] unmap_single_vma+0x1bd/0x2b0 [ 81.407598][ T5222] zap_page_range_single+0x326/0x560 [ 81.412889][ T5222] ? __pfx_zap_page_range_single+0x10/0x10 [ 81.418705][ T5222] ? __pfx___might_resched+0x10/0x10 [ 81.423995][ T5222] ? vma_interval_tree_subtree_search+0x14d/0x1b0 [ 81.430415][ T5222] unmap_mapping_range+0x1ee/0x280 [ 81.435530][ T5222] ? __pfx_unmap_mapping_range+0x10/0x10 [ 81.441165][ T5222] ? inode_newsize_ok+0x13b/0x200 [ 81.446193][ T5222] truncate_pagecache+0x53/0x90 [ 81.451042][ T5222] simple_setattr+0xf2/0x120 [ 81.455633][ T5222] notify_change+0xf41/0x1230 [ 81.460318][ T5222] do_truncate+0x15c/0x220 [ 81.464731][ T5222] ? __pfx_do_truncate+0x10/0x10 [ 81.469679][ T5222] path_openat+0x27a8/0x2d20 [ 81.474276][ T5222] ? __pfx_path_openat+0x10/0x10 [ 81.479210][ T5222] ? __pfx___lock_acquire+0x10/0x10 [ 81.484409][ T5222] ? find_held_lock+0x2d/0x110 [ 81.489173][ T5222] do_filp_open+0x1dc/0x430 [ 81.493674][ T5222] ? __pfx_do_filp_open+0x10/0x10 [ 81.498696][ T5222] ? find_held_lock+0x2d/0x110 [ 81.503473][ T5222] ? _raw_spin_unlock+0x28/0x50 [ 81.508323][ T5222] ? alloc_fd+0x2d7/0x6c0 [ 81.512651][ T5222] do_sys_openat2+0x17a/0x1e0 [ 81.517326][ T5222] ? __pfx_do_sys_openat2+0x10/0x10 [ 81.522526][ T5222] ? ptrace_notify+0xf1/0x130 [ 81.527200][ T5222] ? __pfx_lock_release+0x10/0x10 [ 81.532227][ T5222] __x64_sys_openat+0x175/0x210 [ 81.537078][ T5222] ? __pfx___x64_sys_openat+0x10/0x10 [ 81.542711][ T5222] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.547995][ T5222] ? _raw_spin_unlock_irq+0x2e/0x50 [ 81.553189][ T5222] ? ptrace_notify+0xf1/0x130 [ 81.557862][ T5222] do_syscall_64+0xcd/0x250 [ 81.562373][ T5222] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.568259][ T5222] RIP: 0033:0x7f1728b67859 [ 81.572668][ T5222] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 81.592267][ T5222] RSP: 002b:00007fffee7c13a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 81.600678][ T5222] RAX: ffffffffffffffda RBX: 00007f1728bb0105 RCX: 00007f1728b67859 [ 81.608641][ T5222] RDX: 0000000000000300 RSI: 0000000020000080 RDI: ffffffffffffff9c [ 81.616603][ T5222] RBP: 00007f1728bb00e3 R08: 0000000000000006 R09: 0000000000000006 [ 81.624566][ T5222] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1728bb509c [ 81.632528][ T5222] R13: 00007f1728bb00a3 R14: 0000000000000001 R15: 0000000000000001 [ 81.640505][ T5222] [ 81.643720][ T5222] Kernel Offset: disabled [ 81.648228][ T5222] Rebooting in 86400 seconds..