./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3928039795 <...> Warning: Permanently added '10.128.0.254' (ED25519) to the list of known hosts. execve("./syz-executor3928039795", ["./syz-executor3928039795"], 0x7ffd568fbd40 /* 10 vars */) = 0 brk(NULL) = 0x55555c1c6000 brk(0x55555c1c6d00) = 0x55555c1c6d00 arch_prctl(ARCH_SET_FS, 0x55555c1c6380) = 0 set_tid_address(0x55555c1c6650) = 5856 set_robust_list(0x55555c1c6660, 24) = 0 rseq(0x55555c1c6ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3928039795", 4096) = 28 getrandom("\x7f\xdc\xb9\xbb\x6b\xd9\xd1\x70", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555c1c6d00 brk(0x55555c1e7d00) = 0x55555c1e7d00 brk(0x55555c1e8000) = 0x55555c1e8000 mprotect(0x7f6cbfa00000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5857 attached [pid 5857] set_robust_list(0x55555c1c6660, 24 [pid 5856] <... clone resumed>, child_tidptr=0x55555c1c6650) = 5857 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5857] getppid() = 0 [pid 5857] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5857] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5857] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5857] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5857] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5857] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5857] unshare(CLONE_NEWNS) = 0 [pid 5857] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5857] unshare(CLONE_NEWIPC) = 0 [pid 5857] unshare(CLONE_NEWCGROUP) = 0 [pid 5857] unshare(CLONE_NEWUTS) = 0 [pid 5857] unshare(CLONE_SYSVSEM) = 0 [pid 5857] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] write(3, "16777216", 8) = 8 [pid 5857] close(3) = 0 [pid 5857] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] write(3, "536870912", 9) = 9 [pid 5857] close(3) = 0 [pid 5857] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] write(3, "1024", 4) = 4 [pid 5857] close(3) = 0 [pid 5857] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] write(3, "8192", 4) = 4 [pid 5857] close(3) = 0 [pid 5857] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] write(3, "1024", 4) = 4 [pid 5857] close(3) = 0 [pid 5857] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] write(3, "1024", 4) = 4 [pid 5857] close(3) = 0 [pid 5857] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5857] close(3) = 0 [pid 5857] getpid() = 1 [pid 5857] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 49 c7 c7 ea ff ff ff 4c 8b 74 24 10 e9 bb 03 00 00 48 8d [ 69.902646][ T5857] RSP: 0018:ffffc90002eb7240 EFLAGS: 00010246 [ 69.908720][ T5857] RAX: 57fc242ed4c84500 RBX: ffff8880330da000 RCX: 57fc242ed4c84500 [ 69.916931][ T5857] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 69.925123][ T5857] RBP: ffffc90002eb73d0 R08: ffffc90002eb6e27 R09: 1ffff920005d6dc4 [ 69.933323][ T5857] R10: dffffc0000000000 R11: fffff520005d6dc5 R12: 1ffff920005d6e5c [ 69.941523][ T5857] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880605845b0 [ 69.949975][ T5857] FS: 0000000000000000(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000 [ 69.959291][ T5857] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.966219][ T5857] CR2: 00007f6cbf9d4938 CR3: 0000000031bdd000 CR4: 0000000000350ef0 [ 69.974431][ T5857] Call Trace: [ 69.977691][ T5857] [ 69.980754][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 69.986397][ T5857] ? folio_mark_accessed+0x42c/0x8b0 [ 69.991691][ T5857] ? __pfx_ext4_xattr_inode_lookup_create+0x10/0x10 [ 69.998286][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.003943][ T5857] ? fs_reclaim_acquire+0x7d/0x100 [ 70.009074][ T5857] ? rcu_is_watching+0x15/0xb0 [ 70.013859][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.019493][ T5857] ? ext4_xattr_block_set+0xd6/0x2ac0 [ 70.024890][ T5857] ext4_xattr_block_set+0x223/0x2ac0 [ 70.030202][ T5857] ? rcu_is_watching+0x15/0xb0 [ 70.034982][ T5857] ? __pfx___might_resched+0x10/0x10 [ 70.040391][ T5857] ? lock_acquire+0x5f/0x360 [ 70.045151][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.050878][ T5857] ? __pfx_check_xattrs+0x10/0x10 [ 70.055922][ T5857] ? __pfx_ext4_xattr_block_set+0x10/0x10 [ 70.061678][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.067310][ T5857] ? ext4_xattr_block_find+0x2d4/0x350 [ 70.072789][ T5857] ext4_expand_extra_isize_ea+0x12d5/0x1ea0 [ 70.078708][ T5857] __ext4_expand_extra_isize+0x30d/0x400 [ 70.084360][ T5857] __ext4_mark_inode_dirty+0x46c/0x700 [ 70.089826][ T5857] ext4_dirty_inode+0xd0/0x110 [ 70.094596][ T5857] ? __pfx_ext4_dirty_inode+0x10/0x10 [ 70.099961][ T5857] __mark_inode_dirty+0x2d1/0xdf0 [ 70.105018][ T5857] iput+0x1ee/0x9d0 [ 70.108840][ T5857] __dentry_kill+0x209/0x660 [ 70.113451][ T5857] ? shrink_kill+0x8d/0x2c0 [ 70.118039][ T5857] shrink_kill+0xa9/0x2c0 [ 70.122381][ T5857] shrink_dentry_list+0x2e0/0x5e0 [ 70.127406][ T5857] shrink_dcache_parent+0xa1/0x2c0 [ 70.132535][ T5857] ? __pfx_shrink_dcache_parent+0x10/0x10 [ 70.138251][ T5857] ? rcu_is_watching+0x15/0xb0 [ 70.143236][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.148861][ T5857] do_one_tree+0x23/0xe0 [ 70.153250][ T5857] shrink_dcache_for_umount+0xa0/0x170 [ 70.158713][ T5857] generic_shutdown_super+0x67/0x2c0 [ 70.164038][ T5857] kill_block_super+0x44/0x90 [ 70.168731][ T5857] ext4_kill_sb+0x68/0xb0 [ 70.173095][ T5857] deactivate_locked_super+0xbc/0x130 [ 70.178476][ T5857] cleanup_mnt+0x425/0x4c0 [ 70.182923][ T5857] task_work_run+0x1d4/0x260 [ 70.187532][ T5857] ? __pfx_task_work_run+0x10/0x10 [ 70.192699][ T5857] ? kmem_cache_free+0x18f/0x400 [ 70.197660][ T5857] do_exit+0x6b5/0x2300 [ 70.201838][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.207472][ T5857] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 70.212855][ T5857] ? __pfx_do_exit+0x10/0x10 [ 70.217448][ T5857] ? rcu_is_watching+0x15/0xb0 [ 70.222219][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.227853][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.233492][ T5857] ? rcu_is_watching+0x15/0xb0 [ 70.238252][ T5857] do_group_exit+0x21c/0x2d0 [ 70.242865][ T5857] __x64_sys_exit_group+0x3f/0x40 [ 70.248031][ T5857] x64_sys_call+0x21f7/0x2200 [ 70.252875][ T5857] do_syscall_64+0xfa/0x3b0 [ 70.257389][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.263052][ T5857] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.269112][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.274823][ T5857] ? exc_page_fault+0x9f/0xf0 [ 70.279513][ T5857] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.285412][ T5857] RIP: 0033:0x7f6cbf989369 [ 70.289821][ T5857] Code: Unable to access opcode bytes at 0x7f6cbf98933f. [ 70.296861][ T5857] RSP: 002b:00007ffd92780438 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 70.305335][ T5857] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6cbf989369 [ 70.313340][ T5857] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 70.321336][ T5857] RBP: 00007f6cbfa06390 R08: ffffffffffffffb8 R09: 0000555500000000 [ 70.329321][ T5857] R10: 0000000000000381 R11: 0000000000000246 R12: 00007f6cbfa06390 [ 70.337325][ T5857] R13: 0000000000000000 R14: 00007f6cbfa08160 R15: 00007f6cbf956b20 [ 70.345332][ T5857] [ 70.348492][ T5857] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 70.355752][ T5857] CPU: 0 UID: 0 PID: 5857 Comm: syz-executor392 Not tainted 6.17.0-rc2-syzkaller #0 PREEMPT(full) [ 70.366406][ T5857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 70.376439][ T5857] Call Trace: [ 70.379697][ T5857] [ 70.382621][ T5857] dump_stack_lvl+0x99/0x250 [ 70.387202][ T5857] ? __asan_memcpy+0x40/0x70 [ 70.391866][ T5857] ? __pfx_dump_stack_lvl+0x10/0x10 [ 70.397066][ T5857] ? __pfx__printk+0x10/0x10 [ 70.401647][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.407263][ T5857] vpanic+0x281/0x750 [ 70.411228][ T5857] ? __pfx__printk+0x10/0x10 [ 70.415804][ T5857] ? __pfx_vpanic+0x10/0x10 [ 70.420286][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.425900][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.431515][ T5857] ? is_bpf_text_address+0x26/0x2b0 [ 70.436711][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.442351][ T5857] panic+0xb9/0xc0 [ 70.446071][ T5857] ? __pfx_panic+0x10/0x10 [ 70.450486][ T5857] __warn+0x31b/0x4b0 [ 70.454471][ T5857] ? ext4_xattr_inode_lookup_create+0xa80/0x1c20 [ 70.460805][ T5857] ? ext4_xattr_inode_lookup_create+0xa80/0x1c20 [ 70.467133][ T5857] report_bug+0x2be/0x4f0 [ 70.471457][ T5857] ? ext4_xattr_inode_lookup_create+0xa80/0x1c20 [ 70.477790][ T5857] ? ext4_xattr_inode_lookup_create+0xa80/0x1c20 [ 70.484114][ T5857] ? ext4_xattr_inode_lookup_create+0xa82/0x1c20 [ 70.490437][ T5857] handle_bug+0x84/0x160 [ 70.494664][ T5857] exc_invalid_op+0x1a/0x50 [ 70.499151][ T5857] asm_exc_invalid_op+0x1a/0x20 [ 70.503987][ T5857] RIP: 0010:ext4_xattr_inode_lookup_create+0xa80/0x1c20 [ 70.510922][ T5857] Code: 8b 74 24 10 e9 d4 03 00 00 e8 5c b3 3a ff 48 89 df 48 c7 c6 c5 c9 97 8d ba bd 05 00 00 48 c7 c1 00 e3 9f 8b e8 21 28 fc ff 90 <0f> 0b 90 49 c7 c7 ea ff ff ff 4c 8b 74 24 10 e9 bb 03 00 00 48 8d [ 70.530518][ T5857] RSP: 0018:ffffc90002eb7240 EFLAGS: 00010246 [ 70.536582][ T5857] RAX: 57fc242ed4c84500 RBX: ffff8880330da000 RCX: 57fc242ed4c84500 [ 70.544540][ T5857] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 70.552496][ T5857] RBP: ffffc90002eb73d0 R08: ffffc90002eb6e27 R09: 1ffff920005d6dc4 [ 70.560455][ T5857] R10: dffffc0000000000 R11: fffff520005d6dc5 R12: 1ffff920005d6e5c [ 70.568435][ T5857] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880605845b0 [ 70.576405][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.582039][ T5857] ? folio_mark_accessed+0x42c/0x8b0 [ 70.587316][ T5857] ? __pfx_ext4_xattr_inode_lookup_create+0x10/0x10 [ 70.593906][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.599536][ T5857] ? fs_reclaim_acquire+0x7d/0x100 [ 70.604653][ T5857] ? rcu_is_watching+0x15/0xb0 [ 70.609424][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.615050][ T5857] ? ext4_xattr_block_set+0xd6/0x2ac0 [ 70.620421][ T5857] ext4_xattr_block_set+0x223/0x2ac0 [ 70.625707][ T5857] ? rcu_is_watching+0x15/0xb0 [ 70.630457][ T5857] ? __pfx___might_resched+0x10/0x10 [ 70.635724][ T5857] ? lock_acquire+0x5f/0x360 [ 70.640312][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.645939][ T5857] ? __pfx_check_xattrs+0x10/0x10 [ 70.650962][ T5857] ? __pfx_ext4_xattr_block_set+0x10/0x10 [ 70.656703][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.662326][ T5857] ? ext4_xattr_block_find+0x2d4/0x350 [ 70.667822][ T5857] ext4_expand_extra_isize_ea+0x12d5/0x1ea0 [ 70.673732][ T5857] __ext4_expand_extra_isize+0x30d/0x400 [ 70.679359][ T5857] __ext4_mark_inode_dirty+0x46c/0x700 [ 70.684819][ T5857] ext4_dirty_inode+0xd0/0x110 [ 70.689569][ T5857] ? __pfx_ext4_dirty_inode+0x10/0x10 [ 70.694927][ T5857] __mark_inode_dirty+0x2d1/0xdf0 [ 70.699946][ T5857] iput+0x1ee/0x9d0 [ 70.703751][ T5857] __dentry_kill+0x209/0x660 [ 70.708337][ T5857] ? shrink_kill+0x8d/0x2c0 [ 70.712827][ T5857] shrink_kill+0xa9/0x2c0 [ 70.717146][ T5857] shrink_dentry_list+0x2e0/0x5e0 [ 70.722158][ T5857] shrink_dcache_parent+0xa1/0x2c0 [ 70.727259][ T5857] ? __pfx_shrink_dcache_parent+0x10/0x10 [ 70.732963][ T5857] ? rcu_is_watching+0x15/0xb0 [ 70.737715][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.743342][ T5857] do_one_tree+0x23/0xe0 [ 70.747571][ T5857] shrink_dcache_for_umount+0xa0/0x170 [ 70.753019][ T5857] generic_shutdown_super+0x67/0x2c0 [ 70.758297][ T5857] kill_block_super+0x44/0x90 [ 70.762973][ T5857] ext4_kill_sb+0x68/0xb0 [ 70.767292][ T5857] deactivate_locked_super+0xbc/0x130 [ 70.772654][ T5857] cleanup_mnt+0x425/0x4c0 [ 70.777063][ T5857] task_work_run+0x1d4/0x260 [ 70.781647][ T5857] ? __pfx_task_work_run+0x10/0x10 [ 70.786753][ T5857] ? kmem_cache_free+0x18f/0x400 [ 70.791689][ T5857] do_exit+0x6b5/0x2300 [ 70.795838][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.801493][ T5857] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 70.806859][ T5857] ? __pfx_do_exit+0x10/0x10 [ 70.811442][ T5857] ? rcu_is_watching+0x15/0xb0 [ 70.816201][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.821826][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.827446][ T5857] ? rcu_is_watching+0x15/0xb0 [ 70.832198][ T5857] do_group_exit+0x21c/0x2d0 [ 70.836786][ T5857] __x64_sys_exit_group+0x3f/0x40 [ 70.841803][ T5857] x64_sys_call+0x21f7/0x2200 [ 70.846473][ T5857] do_syscall_64+0xfa/0x3b0 [ 70.850973][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.856595][ T5857] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.862648][ T5857] ? srso_alias_return_thunk+0x5/0xfbef5 [ 70.868274][ T5857] ? exc_page_fault+0x9f/0xf0 [ 70.872947][ T5857] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.878913][ T5857] RIP: 0033:0x7f6cbf989369 [ 70.883401][ T5857] Code: Unable to access opcode bytes at 0x7f6cbf98933f. [ 70.890401][ T5857] RSP: 002b:00007ffd92780438 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 70.898824][ T5857] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6cbf989369 [ 70.906781][ T5857] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 70.914752][ T5857] RBP: 00007f6cbfa06390 R08: ffffffffffffffb8 R09: 0000555500000000 [ 70.922717][ T5857] R10: 0000000000000381 R11: 0000000000000246 R12: 00007f6cbfa06390 [ 70.930684][ T5857] R13: 0000000000000000 R14: 00007f6cbfa08160 R15: 00007f6cbf956b20 [ 70.938650][ T5857] [ 70.941869][ T5857] Kernel Offset: disabled [ 70.946181][ T5857] Rebooting in 86400 seconds..