./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2670518555 <...> Warning: Permanently added '10.128.0.140' (ED25519) to the list of known hosts. execve("./syz-executor2670518555", ["./syz-executor2670518555"], 0x7fffcbbaed70 /* 10 vars */) = 0 brk(NULL) = 0x5555644e4000 brk(0x5555644e4d00) = 0x5555644e4d00 arch_prctl(ARCH_SET_FS, 0x5555644e4380) = 0 set_tid_address(0x5555644e4650) = 5068 set_robust_list(0x5555644e4660, 24) = 0 rseq(0x5555644e4ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2670518555", 4096) = 28 getrandom("\x76\xdb\xec\x27\x83\x78\x05\x95", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555644e4d00 brk(0x555564505d00) = 0x555564505d00 brk(0x555564506000) = 0x555564506000 mprotect(0x7f48a5e2c000, 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=0x5555644e4650) = 5069 ./strace-static-x86_64: Process 5069 attached [pid 5069] set_robust_list(0x5555644e4660, 24) = 0 [pid 5069] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] setsid() = 1 [pid 5069] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5069] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5069] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5069] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5069] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5069] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5069] unshare(CLONE_NEWNS) = 0 [pid 5069] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5069] unshare(CLONE_NEWIPC) = 0 [pid 5069] unshare(CLONE_NEWCGROUP) = 0 [pid 5069] unshare(CLONE_NEWUTS) = 0 [pid 5069] unshare(CLONE_SYSVSEM) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "16777216", 8) = 8 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "536870912", 9) = 9 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1024", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "8192", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1024", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1024", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5069] close(3) = 0 [pid 5069] getpid() = 1 [pid 5069] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 60.259346][ T5069] dump_stack_lvl+0x241/0x360 [ 60.264072][ T5069] ? __pfx_dump_stack_lvl+0x10/0x10 [ 60.269532][ T5069] ? __pfx_print_modules+0x10/0x10 [ 60.275088][ T5069] ? page_ext_get+0x20/0x2a0 [ 60.280767][ T5069] ? page_ext_get+0x1d6/0x2a0 [ 60.285552][ T5069] bad_page+0x14c/0x170 [ 60.289812][ T5069] free_unref_page_prepare+0xa46/0xaa0 [ 60.296104][ T5069] free_unref_folios+0x1f2/0xc10 [ 60.301307][ T5069] folios_put_refs+0x93a/0xa60 [ 60.306475][ T5069] ? __pfx_folios_put_refs+0x10/0x10 [ 60.312270][ T5069] ? mlock_drain_local+0x79/0x490 [ 60.317426][ T5069] ? mlock_drain_local+0x79/0x490 [ 60.322808][ T5069] ? mlock_drain_local+0x28d/0x490 [ 60.328243][ T5069] truncate_inode_pages_range+0x47b/0xfc0 [ 60.334301][ T5069] ? kasan_save_stack+0x4f/0x60 [ 60.339285][ T5069] ? kasan_save_stack+0x3f/0x60 [ 60.344274][ T5069] ? __kasan_record_aux_stack+0xac/0xc0 [ 60.350627][ T5069] ? call_rcu+0x167/0xa70 [ 60.354988][ T5069] ? __pfx_truncate_inode_pages_range+0x10/0x10 [ 60.361324][ T5069] ? deactivate_locked_super+0xc4/0x130 [ 60.366912][ T5069] ? mark_lock+0x9a/0x350 [ 60.371351][ T5069] ? __pfx_call_rcu+0x10/0x10 [ 60.376035][ T5069] dbUnmount+0x115/0x190 [ 60.380307][ T5069] jfs_umount+0x238/0x3a0 [ 60.385972][ T5069] jfs_put_super+0x8a/0x190 [ 60.390570][ T5069] ? __pfx_jfs_put_super+0x10/0x10 [ 60.395693][ T5069] generic_shutdown_super+0x136/0x2d0 [ 60.401259][ T5069] kill_block_super+0x44/0x90 [ 60.406378][ T5069] deactivate_locked_super+0xc4/0x130 [ 60.411784][ T5069] cleanup_mnt+0x426/0x4c0 [ 60.416211][ T5069] ? _raw_spin_unlock_irq+0x23/0x50 [ 60.421420][ T5069] task_work_run+0x24f/0x310 [ 60.426048][ T5069] ? __pfx_task_work_run+0x10/0x10 [ 60.431337][ T5069] ? do_exit+0xa16/0x27e0 [ 60.435774][ T5069] ? kmem_cache_free+0x10b/0x2c0 [ 60.440734][ T5069] do_exit+0xa1b/0x27e0 [ 60.444904][ T5069] ? __pfx_do_exit+0x10/0x10 [ 60.449496][ T5069] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 60.455564][ T5069] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 60.462091][ T5069] ? _raw_spin_unlock_irq+0x23/0x50 [ 60.467321][ T5069] ? lockdep_hardirqs_on+0x99/0x150 [ 60.472622][ T5069] do_group_exit+0x207/0x2c0 [ 60.477226][ T5069] __x64_sys_exit_group+0x3f/0x40 [ 60.482249][ T5069] do_syscall_64+0xf5/0x240 [ 60.486876][ T5069] ? clear_bhb_loop+0x35/0x90 [ 60.491554][ T5069] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.497446][ T5069] RIP: 0033:0x7f48a5dafb89 [ 60.501859][ T5069] Code: Unable to access opcode bytes at 0x7f48a5dafb5f. [ 60.508959][ T5069] RSP: 002b:00007ffee84a0688 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 60.517375][ T5069] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f48a5dafb89 [ 60.525433][ T5069] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 60.533423][ T5069] RBP: 00007f48a5e32390 R08: ffffffffffffffb8 R09: 00005555644e5378 [ 60.541569][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f48a5e32390 [ 60.550002][ T5069] R13: 0000000000000000 R14: 00007f48a5e33100 R15: 00007f48a5d7de50 [ 60.557987][ T5069] [ 60.561608][ T5069] Disabling lock debugging due to kernel taint [ 60.567828][ T5069] BUG: Bad page state in process syz-executor267 pfn:2bb91 [ 60.575292][ T5069] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x2bb91 [ 60.584291][ T5069] flags: 0xfff8000000800c(referenced|uptodate|private|node=0|zone=1|lastcpupid=0xfff) [ 60.593944][ T5069] page_type: 0xffffffff() [ 60.598403][ T5069] raw: 00fff8000000800c dead000000000100 dead000000000122 0000000000000000 [ 60.607216][ T5069] raw: 0000000000000004 ffff88804337ae88 00000000ffffffff 0000000000000000 [ 60.615830][ T5069] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 60.623424][ T5069] page_owner tracks the page as allocated [ 60.629192][ T5069] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x40c40(GFP_NOFS|__GFP_COMP), pid 5069, tgid -170753726 (syz-executor267), ts 5069, free_ts 59947104865 [ 60.646532][ T5069] post_alloc_hook+0x1ea/0x210 [ 60.651315][ T5069] get_page_from_freelist+0x3410/0x35b0 [ 60.656979][ T5069] __alloc_pages+0x256/0x6c0 [ 60.661604][ T5069] alloc_pages_mpol+0x3e8/0x680 [ 60.666669][ T5069] folio_alloc+0x128/0x180 [ 60.671110][ T5069] filemap_alloc_folio+0xdf/0x500 [ 60.676137][ T5069] do_read_cache_folio+0xed/0x820 [ 60.681253][ T5069] do_read_cache_page+0x30/0x200 [ 60.686306][ T5069] __get_metapage+0x330/0x1050 [ 60.691100][ T5069] dbAllocCtl+0xd5/0x920 [ 60.695363][ T5069] dbAllocAG+0x28f/0x10b0 [ 60.699818][ T5069] dbDiscardAG+0x352/0xa10 [ 60.704263][ T5069] jfs_ioc_trim+0x433/0x670 [ 60.708837][ T5069] jfs_ioctl+0x2d0/0x3e0 [ 60.713278][ T5069] __se_sys_ioctl+0xfc/0x170 [ 60.717905][ T5069] do_syscall_64+0xf5/0x240 [ 60.722423][ T5069] page last free pid 5069 tgid 5069 stack trace: [ 60.728825][ T5069] free_unref_page_prepare+0x97b/0xaa0 [ 60.734312][ T5069] free_unref_folios+0x1f2/0xc10 [ 60.739310][ T5069] folios_put_refs+0x93a/0xa60 [ 60.744096][ T5069] mapping_try_invalidate+0x4d4/0x620 [ 60.749654][ T5069] reconfigure_super+0x5dd/0x880 [ 60.754613][ T5069] __se_sys_fsconfig+0xab5/0xec0 [ 60.759599][ T5069] do_syscall_64+0xf5/0x240 [ 60.764119][ T5069] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.770161][ T5069] Modules linked in: [ 60.774075][ T5069] CPU: 0 PID: 5069 Comm: syz-executor267 Tainted: G B 6.9.0-rc6-syzkaller #0 [ 60.784218][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 60.794257][ T5069] Call Trace: [ 60.797611][ T5069] [ 60.800541][ T5069] dump_stack_lvl+0x241/0x360 [ 60.805205][ T5069] ? __pfx_dump_stack_lvl+0x10/0x10 [ 60.810408][ T5069] ? __pfx_print_modules+0x10/0x10 [ 60.815592][ T5069] ? page_ext_get+0x20/0x2a0 [ 60.820184][ T5069] ? page_ext_get+0x1d6/0x2a0 [ 60.824850][ T5069] bad_page+0x14c/0x170 [ 60.828998][ T5069] free_unref_page_prepare+0xa46/0xaa0 [ 60.834544][ T5069] free_unref_folios+0x1f2/0xc10 [ 60.839494][ T5069] folios_put_refs+0x93a/0xa60 [ 60.844253][ T5069] ? __pfx_folios_put_refs+0x10/0x10 [ 60.849530][ T5069] ? mlock_drain_local+0x79/0x490 [ 60.854546][ T5069] ? mlock_drain_local+0x79/0x490 [ 60.859571][ T5069] ? mlock_drain_local+0x28d/0x490 [ 60.864676][ T5069] truncate_inode_pages_range+0x47b/0xfc0 [ 60.870395][ T5069] ? kasan_save_stack+0x4f/0x60 [ 60.875235][ T5069] ? kasan_save_stack+0x3f/0x60 [ 60.880095][ T5069] ? __kasan_record_aux_stack+0xac/0xc0 [ 60.885721][ T5069] ? call_rcu+0x167/0xa70 [ 60.890042][ T5069] ? __pfx_truncate_inode_pages_range+0x10/0x10 [ 60.896275][ T5069] ? deactivate_locked_super+0xc4/0x130 [ 60.901816][ T5069] ? mark_lock+0x9a/0x350 [ 60.906147][ T5069] ? __pfx_call_rcu+0x10/0x10 [ 60.910846][ T5069] dbUnmount+0x115/0x190 [ 60.915083][ T5069] jfs_umount+0x238/0x3a0 [ 60.919406][ T5069] jfs_put_super+0x8a/0x190 [ 60.923904][ T5069] ? __pfx_jfs_put_super+0x10/0x10 [ 60.929098][ T5069] generic_shutdown_super+0x136/0x2d0 [ 60.934458][ T5069] kill_block_super+0x44/0x90 [ 60.939138][ T5069] deactivate_locked_super+0xc4/0x130 [ 60.944601][ T5069] cleanup_mnt+0x426/0x4c0 [ 60.949010][ T5069] ? _raw_spin_unlock_irq+0x23/0x50 [ 60.954202][ T5069] task_work_run+0x24f/0x310 [ 60.958793][ T5069] ? __pfx_task_work_run+0x10/0x10 [ 60.963984][ T5069] ? do_exit+0xa16/0x27e0 [ 60.968305][ T5069] ? kmem_cache_free+0x10b/0x2c0 [ 60.973324][ T5069] do_exit+0xa1b/0x27e0 [ 60.977538][ T5069] ? __pfx_do_exit+0x10/0x10 [ 60.982145][ T5069] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 60.988236][ T5069] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 60.994740][ T5069] ? _raw_spin_unlock_irq+0x23/0x50 [ 60.999971][ T5069] ? lockdep_hardirqs_on+0x99/0x150 [ 61.005171][ T5069] do_group_exit+0x207/0x2c0 [ 61.009849][ T5069] __x64_sys_exit_group+0x3f/0x40 [ 61.014961][ T5069] do_syscall_64+0xf5/0x240 [ 61.019534][ T5069] ? clear_bhb_loop+0x35/0x90 [ 61.024203][ T5069] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.030182][ T5069] RIP: 0033:0x7f48a5dafb89 [ 61.034591][ T5069] Code: Unable to access opcode bytes at 0x7f48a5dafb5f. [ 61.041629][ T5069] RSP: 002b:00007ffee84a0688 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 61.050058][ T5069] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f48a5dafb89 [ 61.058105][ T5069] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [pid 5069] +++ exited with 1 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=1, si_utime=3 /* 0.03 s */, si_stime=64 /* 0.64 s */} --- exit_group(0) = ? +++ exited with 0 +++ [ 61.066068][ T5069] RBP: 00007f48a5e32390 R