./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor476416581 <...> Warning: Permanently added '10.128.1.160' (ED25519) to the list of known hosts. execve("./syz-executor476416581", ["./syz-executor476416581"], 0x7ffd2e0e52e0 /* 10 vars */) = 0 brk(NULL) = 0x5555564eb000 brk(0x5555564ebd00) = 0x5555564ebd00 arch_prctl(ARCH_SET_FS, 0x5555564eb380) = 0 set_tid_address(0x5555564eb650) = 5031 set_robust_list(0x5555564eb660, 24) = 0 rseq(0x5555564ebca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor476416581", 4096) = 27 getrandom("\x11\x5b\x84\x87\x2c\xbb\x19\x16", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555564ebd00 brk(0x55555650cd00) = 0x55555650cd00 brk(0x55555650d000) = 0x55555650d000 mprotect(0x7f8944fc0000, 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=0x5555564eb650) = 5032 ./strace-static-x86_64: Process 5032 attached [pid 5032] set_robust_list(0x5555564eb660, 24) = 0 [pid 5032] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5032] setsid() = 1 [pid 5032] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5032] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5032] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5032] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5032] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5032] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5032] unshare(CLONE_NEWNS) = 0 [pid 5032] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5032] unshare(CLONE_NEWIPC) = 0 [pid 5032] unshare(CLONE_NEWCGROUP) = 0 [pid 5032] unshare(CLONE_NEWUTS) = 0 [pid 5032] unshare(CLONE_SYSVSEM) = 0 [pid 5032] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "16777216", 8) = 8 [pid 5032] close(3) = 0 [pid 5032] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "536870912", 9) = 9 [pid 5032] close(3) = 0 [pid 5032] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "1024", 4) = 4 [pid 5032] close(3) = 0 [pid 5032] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "8192", 4) = 4 [pid 5032] close(3) = 0 [pid 5032] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "1024", 4) = 4 [pid 5032] close(3) = 0 [pid 5032] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "1024", 4) = 4 [pid 5032] close(3) = 0 [pid 5032] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5032] close(3) = 0 [pid 5032] getpid() = 1 [pid 5032] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 115.915398][ T11] dump_stack_lvl+0x1e7/0x2d0 [ 115.920076][ T11] ? nf_tcp_handle_invalid+0x650/0x650 [ 115.925532][ T11] ? panic+0x850/0x850 [ 115.929581][ T11] ? _printk+0xd5/0x120 [ 115.933725][ T11] print_report+0xe6/0x540 [ 115.938124][ T11] ? __virt_addr_valid+0x58/0x2e0 [ 115.943131][ T11] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 115.948658][ T11] kasan_report+0x142/0x170 [ 115.953147][ T11] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 115.958677][ T11] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 115.964220][ T11] kasan_check_range+0x27e/0x290 [ 115.969155][ T11] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 115.974693][ T11] __asan_memcpy+0x29/0x70 [ 115.979095][ T11] hfsplus_bnode_read_u16+0x146/0x2c0 [ 115.985862][ T11] ? hfsplus_bnode_read+0x1e0/0x1e0 [ 115.991047][ T11] ? do_raw_spin_unlock+0x13b/0x8b0 [ 115.996231][ T11] hfsplus_bnode_find+0x769/0x10c0 [ 116.001325][ T11] ? hfsplus_bnode_unlink+0x5e0/0x5e0 [ 116.006688][ T11] ? hfsplus_write_inode+0x4a6/0x5e0 [ 116.011953][ T11] ? __lock_acquire+0x1fd0/0x1fd0 [ 116.016968][ T11] ? do_raw_spin_lock+0x14e/0x370 [ 116.021977][ T11] ? hfsplus_inode_write_fork+0x39/0x160 [ 116.027611][ T11] hfsplus_btree_write+0x24/0x4c0 [ 116.032655][ T11] ? hfsplus_inode_write_fork+0x39/0x160 [ 116.038275][ T11] hfsplus_write_inode+0x4c0/0x5e0 [ 116.043374][ T11] __writeback_single_inode+0x69b/0xfc0 [ 116.048906][ T11] writeback_sb_inodes+0x8e3/0x1220 [ 116.054104][ T11] ? queue_io+0x570/0x570 [ 116.058419][ T11] ? __writeback_inodes_wb+0x260/0x260 [ 116.063896][ T11] ? queue_io+0x3d5/0x570 [ 116.068210][ T11] wb_writeback+0x44d/0xc70 [ 116.072701][ T11] ? percpu_ref_tryget+0x260/0x260 [ 116.077795][ T11] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 116.083765][ T11] wb_workfn+0x400/0xfb0 [ 116.087998][ T11] ? inode_wait_for_writeback+0x290/0x290 [ 116.093701][ T11] ? read_lock_is_recursive+0x20/0x20 [ 116.099053][ T11] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 116.105017][ T11] ? print_irqtrace_events+0x220/0x220 [ 116.110464][ T11] ? process_scheduled_works+0x825/0x1420 [ 116.116167][ T11] process_scheduled_works+0x90f/0x1420 [ 116.121704][ T11] ? assign_work+0x3d0/0x3d0 [ 116.126278][ T11] ? assign_work+0x364/0x3d0 [ 116.131128][ T11] worker_thread+0xa5f/0x1000 [ 116.135816][ T11] kthread+0x2d3/0x370 [ 116.139876][ T11] ? pr_cont_work+0x5e0/0x5e0 [ 116.144537][ T11] ? kthread_blkcg+0xd0/0xd0 [ 116.149140][ T11] ret_from_fork+0x48/0x80 [ 116.153552][ T11] ? kthread_blkcg+0xd0/0xd0 [ 116.158126][ T11] ret_from_fork_asm+0x11/0x20 [ 116.162877][ T11] [ 116.165875][ T11] ================================================================== [ 116.174479][ T11] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 116.181801][ T11] CPU: 1 PID: 11 Comm: kworker/u4:0 Not tainted 6.7.0-rc4-syzkaller-00358-gf2e8a57ee903 #0 [ 116.191766][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 116.201824][ T11] Workqueue: writeback wb_workfn (flush-7:0) [ 116.207812][ T11] Call Trace: [ 116.211078][ T11] [ 116.213997][ T11] dump_stack_lvl+0x1e7/0x2d0 [ 116.218760][ T11] ? nf_tcp_handle_invalid+0x650/0x650 [ 116.224216][ T11] ? panic+0x850/0x850 [ 116.228274][ T11] ? vscnprintf+0x5d/0x80 [ 116.232595][ T11] panic+0x349/0x850 [ 116.236481][ T11] ? check_panic_on_warn+0x21/0xa0 [ 116.241582][ T11] ? __memcpy_flushcache+0x2b0/0x2b0 [ 116.246857][ T11] ? _raw_spin_unlock_irqrestore+0x12c/0x140 [ 116.252826][ T11] ? _raw_spin_unlock+0x40/0x40 [ 116.257667][ T11] ? print_report+0xe6/0x540 [ 116.262249][ T11] check_panic_on_warn+0x82/0xa0 [ 116.267179][ T11] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 116.272717][ T11] end_report+0x6e/0x140 [ 116.276948][ T11] kasan_report+0x153/0x170 [ 116.281441][ T11] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 116.287000][ T11] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 116.292543][ T11] kasan_check_range+0x27e/0x290 [ 116.297469][ T11] ? hfsplus_bnode_read_u16+0x146/0x2c0 [ 116.303008][ T11] __asan_memcpy+0x29/0x70 [ 116.307421][ T11] hfsplus_bnode_read_u16+0x146/0x2c0 [ 116.312789][ T11] ? hfsplus_bnode_read+0x1e0/0x1e0 [ 116.317980][ T11] ? do_raw_spin_unlock+0x13b/0x8b0 [ 116.323171][ T11] hfsplus_bnode_find+0x769/0x10c0 [ 116.328276][ T11] ? hfsplus_bnode_unlink+0x5e0/0x5e0 [ 116.333671][ T11] ? hfsplus_write_inode+0x4a6/0x5e0 [ 116.338945][ T11] ? __lock_acquire+0x1fd0/0x1fd0 [ 116.343957][ T11] ? do_raw_spin_lock+0x14e/0x370 [ 116.348977][ T11] ? hfsplus_inode_write_fork+0x39/0x160 [ 116.354601][ T11] hfsplus_btree_write+0x24/0x4c0 [ 116.359702][ T11] ? hfsplus_inode_write_fork+0x39/0x160 [ 116.365327][ T11] hfsplus_write_inode+0x4c0/0x5e0 [ 116.370437][ T11] __writeback_single_inode+0x69b/0xfc0 [ 116.375989][ T11] writeback_sb_inodes+0x8e3/0x1220 [ 116.381190][ T11] ? queue_io+0x570/0x570 [ 116.385512][ T11] ? __writeback_inodes_wb+0x260/0x260 [ 116.390984][ T11] ? queue_io+0x3d5/0x570 [ 116.395344][ T11] wb_writeback+0x44d/0xc70 [ 116.399862][ T11] ? percpu_ref_tryget+0x260/0x260 [ 116.404969][ T11] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 116.410964][ T11] wb_workfn+0x400/0xfb0 [ 116.415236][ T11] ? inode_wait_for_writeback+0x290/0x290 [ 116.420961][ T11] ? read_lock_is_recursive+0x20/0x20 [ 116.426327][ T11] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 116.432296][ T11] ? print_irqtrace_events+0x220/0x220 [ 116.437752][ T11] ? process_scheduled_works+0x825/0x1420 [ 116.443471][ T11] process_scheduled_works+0x90f/0x1420 [ 116.449017][ T11] ? assign_work+0x3d0/0x3d0 [ 116.453616][ T11] ? assign_work+0x364/0x3d0 [ 116.458203][ T11] worker_thread+0xa5f/0x1000 [ 116.462884][ T11] kthread+0x2d3/0x370 [ 116.466939][ T11] ? pr_cont_work+0x5e0/0x5e0 [ 116.472734][ T11] ? kthread_blkcg+0xd0/0xd0 [ 116.477310][ T11] ret_from_fork+0x48/0x80 [ 116.481715][ T11] ? kthread_blkcg+0xd0/0xd0 [ 116.486292][ T11] ret_from_fork_asm+0x11/0x20 [ 116.491055][ T11] [ 116.494297][ T11] Kernel Offset: disabled [ 116.498603][ T11] Rebooting in 86400 seconds..