./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor482045486 <...> Warning: Permanently added '10.128.0.213' (ED25519) to the list of known hosts. execve("./syz-executor482045486", ["./syz-executor482045486"], 0x7ffea8a19080 /* 10 vars */) = 0 brk(NULL) = 0x55558d672000 brk(0x55558d672d00) = 0x55558d672d00 arch_prctl(ARCH_SET_FS, 0x55558d672380) = 0 set_tid_address(0x55558d672650) = 5224 set_robust_list(0x55558d672660, 24) = 0 rseq(0x55558d672ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor482045486", 4096) = 27 getrandom("\x95\xe5\x7a\xa3\x38\xda\xc7\x3b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558d672d00 brk(0x55558d693d00) = 0x55558d693d00 brk(0x55558d694000) = 0x55558d694000 mprotect(0x7fc6b379c000, 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=0x55558d672650) = 5225 ./strace-static-x86_64: Process 5225 attached [pid 5225] set_robust_list(0x55558d672660, 24) = 0 [ 80.574204][ T29] audit: type=1400 audit(1725436337.125:88): avc: denied { execmem } for pid=5224 comm="syz-executor482" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5225] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5225] setsid() = 1 [pid 5225] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5225] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5225] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5225] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5225] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5225] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5225] unshare(CLONE_NEWNS) = 0 [ 80.612796][ T29] audit: type=1400 audit(1725436337.155:89): avc: denied { mounton } for pid=5225 comm="syz-executor482" 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 [ 80.637353][ T29] audit: type=1400 audit(1725436337.165:90): avc: denied { mount } for pid=5225 comm="syz-executor482" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [pid 5225] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5225] unshare(CLONE_NEWIPC) = 0 [pid 5225] unshare(CLONE_NEWCGROUP) = 0 [pid 5225] unshare(CLONE_NEWUTS) = 0 [pid 5225] unshare(CLONE_SYSVSEM) = 0 [pid 5225] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5225] write(3, "16777216", 8) = 8 [pid 5225] close(3) = 0 [pid 5225] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5225] write(3, "536870912", 9) = 9 [pid 5225] close(3) = 0 [pid 5225] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5225] write(3, "1024", 4) = 4 [ 80.674927][ T29] audit: type=1400 audit(1725436337.225:91): avc: denied { mounton } for pid=5225 comm="syz-executor482" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [pid 5225] close(3) = 0 [pid 5225] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5225] write(3, "8192", 4) = 4 [pid 5225] close(3) = 0 [pid 5225] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5225] write(3, "1024", 4) = 4 [pid 5225] close(3) = 0 [pid 5225] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5225] write(3, "1024", 4) = 4 [pid 5225] close(3) = 0 [pid 5225] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5225] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5225] close(3) = 0 [pid 5225] getpid() = 1 [pid 5225] 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 [ 81.076283][ T5225] RSP: 0018:ffffc90002d4f4d0 EFLAGS: 00010293 [ 81.082388][ T5225] RAX: 0000000000000000 RBX: 00007fa116077000 RCX: ffffffff81d1f4f5 [ 81.090425][ T5225] RDX: ffff88802d11da00 RSI: ffffffff81d1f503 RDI: 0000000000000005 [ 81.099267][ T5225] RBP: ffff88802fa115d0 R08: 0000000000000005 R09: 0000000000000000 [ 81.107300][ T5225] R10: 0000000000000000 R11: 00000000000000ef R12: 0000000000000000 [ 81.115442][ T5225] R13: ffffc90002d4f530 R14: ffffc90002d4f550 R15: ffff88802521f200 [ 81.123531][ T5225] FS: 000055558d672380(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 81.132664][ T5225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.139343][ T5225] CR2: 0000000020000080 CR3: 0000000079600000 CR4: 00000000003506f0 [ 81.147386][ T5225] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.155543][ T5225] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.163612][ T5225] Call Trace: [ 81.166887][ T5225] [ 81.169807][ T5225] ? show_regs+0x8c/0xa0 [ 81.174109][ T5225] ? __warn+0xe5/0x3c0 [ 81.178208][ T5225] ? follow_pte+0x414/0x4c0 [ 81.182706][ T5225] ? report_bug+0x3c0/0x580 [ 81.187291][ T5225] ? handle_bug+0x3d/0x70 [ 81.191648][ T5225] ? exc_invalid_op+0x17/0x50 [ 81.196413][ T5225] ? asm_exc_invalid_op+0x1a/0x20 [ 81.201471][ T5225] ? follow_pte+0x405/0x4c0 [ 81.206041][ T5225] ? follow_pte+0x413/0x4c0 [ 81.210586][ T5225] ? follow_pte+0x414/0x4c0 [ 81.215172][ T5225] get_pat_info+0xf2/0x510 [ 81.219612][ T5225] ? __pfx_get_pat_info+0x10/0x10 [ 81.224797][ T5225] untrack_pfn+0xf7/0x4d0 [ 81.229147][ T5225] ? __pfx_untrack_pfn+0x10/0x10 [ 81.234136][ T5225] ? zap_page_range_single+0x307/0x560 [ 81.239624][ T5225] ? __pfx_lock_release+0x10/0x10 [ 81.244710][ T5225] ? uprobe_munmap+0x20/0x5d0 [ 81.249515][ T5225] unmap_single_vma+0x1bd/0x2b0 [ 81.254441][ T5225] zap_page_range_single+0x326/0x560 [ 81.259801][ T5225] ? __pfx_zap_page_range_single+0x10/0x10 [ 81.265702][ T5225] ? __pfx___might_resched+0x10/0x10 [ 81.271015][ T5225] ? vma_interval_tree_subtree_search+0x14d/0x1b0 [ 81.277544][ T5225] unmap_mapping_range+0x1ee/0x280 [ 81.282704][ T5225] ? __pfx_unmap_mapping_range+0x10/0x10 [ 81.288402][ T5225] ? inode_newsize_ok+0x13b/0x200 [ 81.293524][ T5225] truncate_pagecache+0x53/0x90 [ 81.298389][ T5225] simple_setattr+0xf2/0x120 [ 81.303148][ T5225] notify_change+0xf41/0x1230 [ 81.307887][ T5225] do_truncate+0x15c/0x220 [ 81.312327][ T5225] ? __pfx_do_truncate+0x10/0x10 [ 81.317430][ T5225] path_openat+0x27a8/0x2d20 [ 81.322050][ T5225] ? __pfx_path_openat+0x10/0x10 [ 81.327066][ T5225] ? __pfx___lock_acquire+0x10/0x10 [ 81.332297][ T5225] ? find_held_lock+0x2d/0x110 [ 81.337143][ T5225] do_filp_open+0x1dc/0x430 [ 81.341680][ T5225] ? __pfx_do_filp_open+0x10/0x10 [ 81.346868][ T5225] ? find_held_lock+0x2d/0x110 [ 81.351687][ T5225] ? _raw_spin_unlock+0x28/0x50 [ 81.356762][ T5225] ? alloc_fd+0x2d7/0x6c0 [ 81.361114][ T5225] do_sys_openat2+0x17a/0x1e0 [ 81.365881][ T5225] ? __pfx_do_sys_openat2+0x10/0x10 [ 81.371242][ T5225] ? ptrace_notify+0xf1/0x130 [ 81.376006][ T5225] ? __pfx_lock_release+0x10/0x10 [ 81.381058][ T5225] __x64_sys_openat+0x175/0x210 [ 81.386005][ T5225] ? __pfx___x64_sys_openat+0x10/0x10 [ 81.391579][ T5225] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.396875][ T5225] ? _raw_spin_unlock_irq+0x2e/0x50 [ 81.402095][ T5225] ? ptrace_notify+0xf1/0x130 [ 81.406827][ T5225] do_syscall_64+0xcd/0x250 [ 81.411357][ T5225] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.417300][ T5225] RIP: 0033:0x7fc6b3729859 [ 81.421783][ T5225] 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 [ 81.441759][ T5225] RSP: 002b:00007ffc39d21ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 81.450279][ T5225] RAX: ffffffffffffffda RBX: 00007fc6b3772105 RCX: 00007fc6b3729859 [ 81.458445][ T5225] RDX: 0000000000000300 RSI: 0000000020000080 RDI: ffffffffffffff9c [ 81.466566][ T5225] RBP: 00007fc6b37720e3 R08: 0000000000000006 R09: 0000000000000006 [ 81.474644][ T5225] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b377709c [ 81.482733][ T5225] R13: 00007fc6b37720a3 R14: 0000000000000001 R15: 0000000000000001 [ 81.490777][ T5225] [ 81.493861][ T5225] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 81.501147][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor482 Not tainted 6.11.0-rc6-syzkaller-00026-g88fac17500f4 #0 [ 81.512275][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 81.522342][ T5225] Call Trace: [ 81.525612][ T5225] [ 81.528533][ T5225] dump_stack_lvl+0x3d/0x1f0 [ 81.533116][ T5225] panic+0x6dc/0x7c0 [ 81.537003][ T5225] ? __pfx_panic+0x10/0x10 [ 81.541411][ T5225] ? show_trace_log_lvl+0x363/0x500 [ 81.546613][ T5225] ? check_panic_on_warn+0x1f/0xb0 [ 81.551724][ T5225] ? follow_pte+0x414/0x4c0 [ 81.556227][ T5225] check_panic_on_warn+0xab/0xb0 [ 81.561250][ T5225] __warn+0xf1/0x3c0 [ 81.565138][ T5225] ? follow_pte+0x414/0x4c0 [ 81.569632][ T5225] report_bug+0x3c0/0x580 [ 81.573975][ T5225] handle_bug+0x3d/0x70 [ 81.578125][ T5225] exc_invalid_op+0x17/0x50 [ 81.582613][ T5225] asm_exc_invalid_op+0x1a/0x20 [ 81.587452][ T5225] RIP: 0010:follow_pte+0x414/0x4c0 [ 81.592554][ T5225] 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 [ 81.612151][ T5225] RSP: 0018:ffffc90002d4f4d0 EFLAGS: 00010293 [ 81.618200][ T5225] RAX: 0000000000000000 RBX: 00007fa116077000 RCX: ffffffff81d1f4f5 [ 81.626271][ T5225] RDX: ffff88802d11da00 RSI: ffffffff81d1f503 RDI: 0000000000000005 [ 81.634237][ T5225] RBP: ffff88802fa115d0 R08: 0000000000000005 R09: 0000000000000000 [ 81.642208][ T5225] R10: 0000000000000000 R11: 00000000000000ef R12: 0000000000000000 [ 81.650180][ T5225] R13: ffffc90002d4f530 R14: ffffc90002d4f550 R15: ffff88802521f200 [ 81.658161][ T5225] ? follow_pte+0x405/0x4c0 [ 81.662759][ T5225] ? follow_pte+0x413/0x4c0 [ 81.667361][ T5225] get_pat_info+0xf2/0x510 [ 81.671779][ T5225] ? __pfx_get_pat_info+0x10/0x10 [ 81.676813][ T5225] untrack_pfn+0xf7/0x4d0 [ 81.681143][ T5225] ? __pfx_untrack_pfn+0x10/0x10 [ 81.686081][ T5225] ? zap_page_range_single+0x307/0x560 [ 81.691546][ T5225] ? __pfx_lock_release+0x10/0x10 [ 81.696582][ T5225] ? uprobe_munmap+0x20/0x5d0 [ 81.701278][ T5225] unmap_single_vma+0x1bd/0x2b0 [ 81.706141][ T5225] zap_page_range_single+0x326/0x560 [ 81.711433][ T5225] ? __pfx_zap_page_range_single+0x10/0x10 [ 81.717252][ T5225] ? __pfx___might_resched+0x10/0x10 [ 81.722556][ T5225] ? vma_interval_tree_subtree_search+0x14d/0x1b0 [ 81.728994][ T5225] unmap_mapping_range+0x1ee/0x280 [ 81.734131][ T5225] ? __pfx_unmap_mapping_range+0x10/0x10 [ 81.739777][ T5225] ? inode_newsize_ok+0x13b/0x200 [ 81.744813][ T5225] truncate_pagecache+0x53/0x90 [ 81.749686][ T5225] simple_setattr+0xf2/0x120 [ 81.754284][ T5225] notify_change+0xf41/0x1230 [ 81.758975][ T5225] do_truncate+0x15c/0x220 [ 81.763395][ T5225] ? __pfx_do_truncate+0x10/0x10 [ 81.768348][ T5225] path_openat+0x27a8/0x2d20 [ 81.772952][ T5225] ? __pfx_path_openat+0x10/0x10 [ 81.777892][ T5225] ? __pfx___lock_acquire+0x10/0x10 [ 81.783093][ T5225] ? find_held_lock+0x2d/0x110 [ 81.787859][ T5225] do_filp_open+0x1dc/0x430 [ 81.792366][ T5225] ? __pfx_do_filp_open+0x10/0x10 [ 81.797399][ T5225] ? find_held_lock+0x2d/0x110 [ 81.802195][ T5225] ? _raw_spin_unlock+0x28/0x50 [ 81.807049][ T5225] ? alloc_fd+0x2d7/0x6c0 [ 81.811383][ T5225] do_sys_openat2+0x17a/0x1e0 [ 81.816151][ T5225] ? __pfx_do_sys_openat2+0x10/0x10 [ 81.821360][ T5225] ? ptrace_notify+0xf1/0x130 [ 81.826036][ T5225] ? __pfx_lock_release+0x10/0x10 [ 81.831069][ T5225] __x64_sys_openat+0x175/0x210 [ 81.835934][ T5225] ? __pfx___x64_sys_openat+0x10/0x10 [ 81.841350][ T5225] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.846557][ T5225] ? _raw_spin_unlock_irq+0x2e/0x50 [ 81.851757][ T5225] ? ptrace_notify+0xf1/0x130 [ 81.856440][ T5225] do_syscall_64+0xcd/0x250 [ 81.860952][ T5225] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.866844][ T5225] RIP: 0033:0x7fc6b3729859 [ 81.871258][ T5225] 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 [ 81.890947][ T5225] RSP: 002b:00007ffc39d21ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 81.899449][ T5225] RAX: ffffffffffffffda RBX: 00007fc6b3772105 RCX: 00007fc6b3729859 [ 81.907505][ T5225] RDX: 0000000000000300 RSI: 0000000020000080 RDI: ffffffffffffff9c [ 81.915621][ T5225] RBP: 00007fc6b37720e3 R08: 0000000000000006 R09: 0000000000000006 [ 81.923764][ T5225] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b377709c [ 81.931731][ T5225] R13: 00007fc6b37720a3 R14: 0000000000000001 R15: 0000000000000001 [ 81.939714][ T5225] [ 81.942842][ T5225] Kernel Offset: disabled [ 81.947364][ T5225] Rebooting in 86400 seconds..