./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor932735381 <...> Warning: Permanently added '10.128.10.26' (ECDSA) to the list of known hosts. execve("./syz-executor932735381", ["./syz-executor932735381"], 0x7ffdba3b0dc0 /* 10 vars */) = 0 brk(NULL) = 0x555555db5000 brk(0x555555db5c40) = 0x555555db5c40 arch_prctl(ARCH_SET_FS, 0x555555db5300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor932735381", 4096) = 27 brk(0x555555dd6c40) = 0x555555dd6c40 brk(0x555555dd7000) = 0x555555dd7000 mprotect(0x7fb121ad0000, 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 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 getpid() = 4992 mkdir("./syzkaller.XfGTZE", 0700) = 0 chmod("./syzkaller.XfGTZE", 0777) = 0 chdir("./syzkaller.XfGTZE") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4993 attached , child_tidptr=0x555555db55d0) = 4993 [pid 4993] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4993] setsid() = 1 [pid 4993] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 4993] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 4993] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 4993] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 4993] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 4993] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 4993] unshare(CLONE_NEWNS) = 0 [pid 4993] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 4993] unshare(CLONE_NEWIPC) = 0 [pid 4993] unshare(CLONE_NEWCGROUP) = 0 [pid 4993] unshare(CLONE_NEWUTS) = 0 [pid 4993] unshare(CLONE_SYSVSEM) = 0 [pid 4993] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 4993] write(3, "16777216", 8) = 8 [pid 4993] close(3) = 0 [pid 4993] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 4993] write(3, "536870912", 9) = 9 [pid 4993] close(3) = 0 [pid 4993] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 4993] write(3, "1024", 4) = 4 [pid 4993] close(3) = 0 [pid 4993] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 4993] write(3, "8192", 4) = 4 [pid 4993] close(3) = 0 [pid 4993] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 4993] write(3, "1024", 4) = 4 [pid 4993] close(3) = 0 [pid 4993] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 4993] write(3, "1024", 4) = 4 [pid 4993] close(3) = 0 [pid 4993] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 4993] write(3, "1024 1048576 500 1024", 21) = 21 [pid 4993] close(3) = 0 [pid 4993] getpid() = 1 [pid 4993] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 53.514313][ T4993] dump_stack_lvl+0x1e7/0x2d0 [ 53.519001][ T4993] ? nf_tcp_handle_invalid+0x650/0x650 [ 53.524445][ T4993] ? panic+0x770/0x770 [ 53.528503][ T4993] should_fail_ex+0x3aa/0x4e0 [ 53.533166][ T4993] prepare_alloc_pages+0x1d9/0x5b0 [ 53.538264][ T4993] __alloc_pages+0x165/0x670 [ 53.542853][ T4993] ? zone_statistics+0x170/0x170 [ 53.547805][ T4993] ? do_raw_spin_unlock+0x13b/0x8b0 [ 53.553015][ T4993] ? free_unref_page_commit+0x20c/0x540 [ 53.558556][ T4993] __kmalloc_large_node+0x91/0x1d0 [ 53.563663][ T4993] kmalloc_large+0x20/0x100 [ 53.568169][ T4993] ? diMount+0x1a/0x870 [ 53.572325][ T4993] diMount+0x29/0x870 [ 53.576312][ T4993] ? diUnmount+0xf3/0x100 [ 53.580638][ T4993] jfs_mount_rw+0x2da/0x6a0 [ 53.585137][ T4993] ? chkSuper+0x1010/0x1010 [ 53.589633][ T4993] ? list_lru_walk_one_irq+0xe0/0xe0 [ 53.594922][ T4993] ? shrink_dentry_list+0x690/0x6a0 [ 53.600198][ T4993] ? sync_filesystem+0x107/0x220 [ 53.605129][ T4993] jfs_remount+0x3d1/0x6b0 [ 53.609539][ T4993] ? jfs_statfs+0x510/0x510 [ 53.614147][ T4993] ? __might_sleep+0xc0/0xc0 [ 53.618731][ T4993] ? hook_sb_remount+0x1d/0xd0 [ 53.623491][ T4993] ? bpf_lsm_sb_remount+0x9/0x10 [ 53.628422][ T4993] reconfigure_super+0x3c9/0x7c0 [ 53.633356][ T4993] __se_sys_fsconfig+0xa29/0xf70 [ 53.638291][ T4993] ? __x64_sys_fsconfig+0xc0/0xc0 [ 53.643324][ T4993] ? syscall_enter_from_user_mode+0x32/0x230 [ 53.649299][ T4993] ? __x64_sys_fsconfig+0x20/0xc0 [ 53.654326][ T4993] do_syscall_64+0x41/0xc0 [ 53.658761][ T4993] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.664647][ T4993] RIP: 0033:0x7fb121a5c209 [ 53.669051][ T4993] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 53.690381][ T4993] RSP: 002b:00007ffe394b6518 EFLAGS: 00000246 ORIG_RAX: 00000000000001af [ 53.698789][ T4993] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb121a5c209 [ 53.706767][ T4993] RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004 [ 53.714727][ T4993] RBP: 00007ffe394b6530 R08: 0000000000000000 R09: 0000000000000000 [ 53.722690][ T4993] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 53.730650][ T4993] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [pid 4993] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 ENOMEM (Cannot allocate memory) [pid 4993] exit_group(1) = ? [ 53.738621][ T4993] [ 53.741944][ T4993] jfs_mount_rw: diMount failed! [ 53.761263][ T4993] ------------[ cut here ]------------ [ 53.768107][ T4993] WARNING: CPU: 0 PID: 4993 at mm/slab_common.c:934 free_large_kmalloc+0x3d/0x190 [ 53.777630][ T4993] Modules linked in: [ 53.781519][ T4993] CPU: 0 PID: 4993 Comm: syz-executor932 Not tainted 6.4.0-rc1-syzkaller-00026-g80e62bc8487b #0 [ 53.791952][ T4993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 53.802082][ T4993] RIP: 0010:free_large_kmalloc+0x3d/0x190 [ 53.807796][ T4993] Code: 48 8b 04 25 28 00 00 00 48 89 44 24 08 48 8b 47 08 a8 01 0f 85 4e 01 00 00 49 89 f6 0f 1f 44 00 00 49 f7 07 00 00 01 00 75 25 <0f> 0b 31 db 80 3d b7 c7 78 0c 00 75 21 c6 05 ae c7 78 0c 01 48 c7 [ 53.827449][ T4993] RSP: 0018:ffffc90003b2fa60 EFLAGS: 00010246 [ 53.833568][ T4993] RAX: ffffea0001f99a08 RBX: ffff8880752528b0 RCX: ffffea0001f99a08 [ 53.841541][ T4993] RDX: ffffea0000000000 RSI: ffff88807c798000 RDI: ffffea0001f1e600 [ 53.849549][ T4993] RBP: ffff88802c5dbc30 R08: ffffffff813db41c R09: 0000000000000000 [ 53.857560][ T4993] R10: ffffc90003b2f980 R11: dffffc0000000001 R12: ffff888075252960 [ 53.865604][ T4993] R13: dffffc0000000000 R14: ffff88807c798000 R15: ffffea0001f1e600 [ 53.873618][ T4993] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 53.882629][ T4993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.889216][ T4993] CR2: 00007fb121ad4138 CR3: 000000002cffb000 CR4: 00000000003506f0 [ 53.897225][ T4993] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.905256][ T4993] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.913296][ T4993] Call Trace: [ 53.916579][ T4993] [ 53.919501][ T4993] diUnmount+0xf3/0x100 [ 53.923700][ T4993] jfs_umount+0x186/0x3a0 [ 53.928097][ T4993] jfs_put_super+0x8a/0x190 [ 53.932673][ T4993] ? jfs_free_inode+0x30/0x30 [ 53.937363][ T4993] generic_shutdown_super+0x134/0x340 [ 53.942809][ T4993] kill_block_super+0x84/0xf0 [ 53.947497][ T4993] deactivate_locked_super+0xa4/0x110 [ 53.952913][ T4993] cleanup_mnt+0x426/0x4c0 [ 53.957336][ T4993] ? _raw_spin_unlock_irq+0x23/0x50 [ 53.962588][ T4993] task_work_run+0x24a/0x300 [ 53.967183][ T4993] ? kasan_quarantine_put+0xd8/0x230 [ 53.972513][ T4993] ? task_work_cancel+0x2b0/0x2b0 [ 53.977543][ T4993] ? kmem_cache_free+0x297/0x520 [ 53.982522][ T4993] ? do_exit+0x68a/0x2290 [ 53.986856][ T4993] do_exit+0x68f/0x2290 [ 53.991004][ T4993] ? put_task_struct+0x80/0x80 [ 53.995819][ T4993] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 54.001822][ T4993] ? print_irqtrace_events+0x220/0x220 [ 54.007373][ T4993] ? _raw_spin_unlock_irq+0x23/0x50 [ 54.012626][ T4993] ? lockdep_hardirqs_on+0x98/0x140 [ 54.017830][ T4993] do_group_exit+0x206/0x2c0 [ 54.022453][ T4993] __x64_sys_exit_group+0x3f/0x40 [ 54.027488][ T4993] do_syscall_64+0x41/0xc0 [ 54.032051][ T4993] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.037950][ T4993] RIP: 0033:0x7fb121a5ad49 [ 54.042400][ T4993] Code: Unable to access opcode bytes at 0x7fb121a5ad1f. [ 54.049421][ T4993] RSP: 002b:00007ffe394b64c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 54.057869][ T4993] RAX: ffffffffffffffda RBX: 00007fb121ad63f0 RCX: 00007fb121a5ad49 [ 54.065878][ T4993] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 54.073890][ T4993] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000000000 [ 54.081869][ T4993] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb121ad63f0 [ 54.089885][ T4993] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 54.097902][ T4993] [ 54.100912][ T4993] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 54.108172][ T4993] CPU: 0 PID: 4993 Comm: syz-executor932 Not tainted 6.4.0-rc1-syzkaller-00026-g80e62bc8487b #0 [ 54.118574][ T4993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 54.128608][ T4993] Call Trace: [ 54.131872][ T4993] [ 54.134789][ T4993] dump_stack_lvl+0x1e7/0x2d0 [ 54.139460][ T4993] ? nf_tcp_handle_invalid+0x650/0x650 [ 54.144905][ T4993] ? panic+0x770/0x770 [ 54.148961][ T4993] ? vscnprintf+0x5d/0x80 [ 54.153281][ T4993] panic+0x30f/0x770 [ 54.157182][ T4993] ? __warn+0x171/0x4a0 [ 54.161335][ T4993] ? __memcpy_flushcache+0x2b0/0x2b0 [ 54.167402][ T4993] __warn+0x314/0x4a0 [ 54.171376][ T4993] ? free_large_kmalloc+0x3d/0x190 [ 54.176481][ T4993] report_bug+0x2b3/0x500 [ 54.180814][ T4993] ? free_large_kmalloc+0x3d/0x190 [ 54.185917][ T4993] handle_bug+0x3d/0x70 [ 54.190065][ T4993] exc_invalid_op+0x1a/0x50 [ 54.194563][ T4993] asm_exc_invalid_op+0x1a/0x20 [ 54.199403][ T4993] RIP: 0010:free_large_kmalloc+0x3d/0x190 [ 54.205118][ T4993] Code: 48 8b 04 25 28 00 00 00 48 89 44 24 08 48 8b 47 08 a8 01 0f 85 4e 01 00 00 49 89 f6 0f 1f 44 00 00 49 f7 07 00 00 01 00 75 25 <0f> 0b 31 db 80 3d b7 c7 78 0c 00 75 21 c6 05 ae c7 78 0c 01 48 c7 [ 54.224714][ T4993] RSP: 0018:ffffc90003b2fa60 EFLAGS: 00010246 [ 54.230774][ T4993] RAX: ffffea0001f99a08 RBX: ffff8880752528b0 RCX: ffffea0001f99a08 [ 54.238735][ T4993] RDX: ffffea0000000000 RSI: ffff88807c798000 RDI: ffffea0001f1e600 [ 54.246694][ T4993] RBP: ffff88802c5dbc30 R08: ffffffff813db41c R09: 0000000000000000 [ 54.254655][ T4993] R10: ffffc90003b2f980 R11: dffffc0000000001 R12: ffff888075252960 [ 54.262630][ T4993] R13: dffffc0000000000 R14: ffff88807c798000 R15: ffffea0001f1e600 [ 54.271293][ T4993] ? __phys_addr+0xac/0x170 [ 54.275804][ T4993] diUnmount+0xf3/0x100 [ 54.279957][ T4993] jfs_umount+0x186/0x3a0 [ 54.284284][ T4993] jfs_put_super+0x8a/0x190 [ 54.288775][ T4993] ? jfs_free_inode+0x30/0x30 [ 54.293441][ T4993] generic_shutdown_super+0x134/0x340 [ 54.298819][ T4993] kill_block_super+0x84/0xf0 [ 54.303487][ T4993] deactivate_locked_super+0xa4/0x110 [ 54.308854][ T4993] cleanup_mnt+0x426/0x4c0 [ 54.313266][ T4993] ? _raw_spin_unlock_irq+0x23/0x50 [ 54.318459][ T4993] task_work_run+0x24a/0x300 [ 54.323038][ T4993] ? kasan_quarantine_put+0xd8/0x230 [ 54.328319][ T4993] ? task_work_cancel+0x2b0/0x2b0 [ 54.333345][ T4993] ? kmem_cache_free+0x297/0x520 [ 54.338272][ T4993] ? do_exit+0x68a/0x2290 [ 54.342590][ T4993] do_exit+0x68f/0x2290 [ 54.346741][ T4993] ? put_task_struct+0x80/0x80 [ 54.351494][ T4993] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 54.357468][ T4993] ? print_irqtrace_events+0x220/0x220 [ 54.362921][ T4993] ? _raw_spin_unlock_irq+0x23/0x50 [ 54.368107][ T4993] ? lockdep_hardirqs_on+0x98/0x140 [ 54.373297][ T4993] do_group_exit+0x206/0x2c0 [ 54.377882][ T4993] __x64_sys_exit_group+0x3f/0x40 [ 54.382893][ T4993] do_syscall_64+0x41/0xc0 [ 54.387306][ T4993] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.393228][ T4993] RIP: 0033:0x7fb121a5ad49 [ 54.397646][ T4993] Code: Unable to access opcode bytes at 0x7fb121a5ad1f. [ 54.404659][ T4993] RSP: 002b:00007ffe394b64c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 54.413076][ T4993] RAX: ffffffffffffffda RBX: 00007fb121ad63f0 RCX: 00007fb121a5ad49 [ 54.421040][ T4993] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 54.429029][ T4993] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000000000 [ 54.437177][ T4993] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb121ad63f0 [ 54.445145][ T4993] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 54.453151][ T4993] [ 54.456310][ T4993] Kernel Offset: disabled [ 54.460709][ T4993] Rebooting in 86400 seconds..