./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2057795968 <...> Warning: Permanently added '10.128.1.2' (ECDSA) to the list of known hosts. execve("./syz-executor2057795968", ["./syz-executor2057795968"], 0x7ffe5aa39590 /* 10 vars */) = 0 brk(NULL) = 0x5555567cd000 brk(0x5555567cdc40) = 0x5555567cdc40 arch_prctl(ARCH_SET_FS, 0x5555567cd300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2057795968", 4096) = 28 brk(0x5555567eec40) = 0x5555567eec40 brk(0x5555567ef000) = 0x5555567ef000 mprotect(0x7f7ff4750000, 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./strace-static-x86_64: Process 4996 attached , child_tidptr=0x5555567cd5d0) = 4996 [pid 4996] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 4996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4996] setsid() = 1 [pid 4996] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 4996] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 4996] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 4996] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 4996] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 4996] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 4996] unshare(CLONE_NEWNS) = 0 [pid 4996] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 4996] unshare(CLONE_NEWIPC) = 0 [pid 4996] unshare(CLONE_NEWCGROUP) = 0 [pid 4996] unshare(CLONE_NEWUTS) = 0 [pid 4996] unshare(CLONE_SYSVSEM) = 0 [pid 4996] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 4996] write(3, "16777216", 8) = 8 [pid 4996] close(3) = 0 [pid 4996] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 4996] write(3, "536870912", 9) = 9 [pid 4996] close(3) = 0 [pid 4996] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 4996] write(3, "1024", 4) = 4 [pid 4996] close(3) = 0 [pid 4996] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 4996] write(3, "8192", 4) = 4 [pid 4996] close(3) = 0 [pid 4996] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 4996] write(3, "1024", 4) = 4 [pid 4996] close(3) = 0 [pid 4996] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 4996] write(3, "1024", 4) = 4 [pid 4996] close(3) = 0 [pid 4996] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 4996] write(3, "1024 1048576 500 1024", 21) = 21 [pid 4996] close(3) = 0 [pid 4996] getpid() = 1 [pid 4996] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 65.489202][ T4996] dump_stack_lvl+0x1e7/0x2d0 [ 65.493886][ T4996] ? irq_work_queue+0xca/0x150 [ 65.498675][ T4996] ? nf_tcp_handle_invalid+0x650/0x650 [ 65.504223][ T4996] ? panic+0x770/0x770 [ 65.508299][ T4996] ? _printk+0xd5/0x120 [ 65.512464][ T4996] print_report+0x163/0x540 [ 65.516977][ T4996] ? __virt_addr_valid+0x22f/0x2e0 [ 65.522115][ T4996] ? __phys_addr+0xba/0x170 [ 65.526647][ T4996] ? xlog_pack_data+0x370/0x540 [ 65.531527][ T4996] kasan_report+0x176/0x1b0 [ 65.536073][ T4996] ? xlog_pack_data+0x370/0x540 [ 65.540956][ T4996] xlog_pack_data+0x370/0x540 [ 65.545657][ T4996] xlog_sync+0x366/0xd50 [ 65.549916][ T4996] xlog_state_release_iclog+0x46d/0x7f0 [ 65.555485][ T4996] ? xlog_force_lsn+0x5e5/0x770 [ 65.560359][ T4996] xlog_force_lsn+0x5e5/0x770 [ 65.565059][ T4996] xfs_log_force_seq+0x1da/0x450 [ 65.570013][ T4996] __xfs_trans_commit+0xb38/0x11d0 [ 65.575138][ T4996] ? rcu_is_watching+0x15/0xb0 [ 65.579911][ T4996] ? xfs_trans_commit+0x20/0x20 [ 65.584779][ T4996] xfs_sync_sb+0x140/0x190 [ 65.589205][ T4996] ? xfs_log_sb+0x1b0/0x1b0 [ 65.593721][ T4996] xfs_log_quiesce+0x38f/0x680 [ 65.598503][ T4996] xfs_log_clean+0xa4/0xc10 [ 65.603034][ T4996] ? mark_lock+0x9a/0x340 [ 65.607373][ T4996] ? xfs_log_quiesce+0x680/0x680 [ 65.612315][ T4996] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 65.618306][ T4996] ? print_irqtrace_events+0x220/0x220 [ 65.623782][ T4996] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 65.629692][ T4996] ? lockdep_hardirqs_on+0x98/0x140 [ 65.634906][ T4996] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 65.640803][ T4996] ? _raw_spin_unlock+0x40/0x40 [ 65.645667][ T4996] xfs_log_unmount+0x2c/0x1c0 [ 65.650370][ T4996] xfs_unmountfs+0x1d6/0x280 [ 65.654982][ T4996] ? xfs_uuid_unmount+0x120/0x120 [ 65.660030][ T4996] ? __kmem_cache_free+0x264/0x3c0 [ 65.665165][ T4996] ? xfs_fs_put_super+0x6c/0x2d0 [ 65.670133][ T4996] xfs_fs_put_super+0x74/0x2d0 [ 65.674917][ T4996] ? generic_shutdown_super+0x12f/0x340 [ 65.680505][ T4996] ? xfs_fs_drop_inode+0xe0/0xe0 [ 65.685468][ T4996] generic_shutdown_super+0x134/0x340 [ 65.690876][ T4996] kill_block_super+0x84/0xf0 [ 65.695765][ T4996] deactivate_locked_super+0xa4/0x110 [ 65.701326][ T4996] cleanup_mnt+0x426/0x4c0 [ 65.705771][ T4996] ? _raw_spin_unlock_irq+0x23/0x50 [ 65.710991][ T4996] task_work_run+0x24a/0x300 [ 65.715737][ T4996] ? kasan_quarantine_put+0xd8/0x230 [ 65.721069][ T4996] ? task_work_cancel+0x2b0/0x2b0 [ 65.726204][ T4996] ? kmem_cache_free+0x297/0x520 [ 65.731154][ T4996] ? do_exit+0x68a/0x2290 [ 65.735506][ T4996] do_exit+0x68f/0x2290 [ 65.739684][ T4996] ? put_task_struct+0x80/0x80 [ 65.744456][ T4996] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 65.750537][ T4996] ? print_irqtrace_events+0x220/0x220 [ 65.756008][ T4996] ? _raw_spin_unlock_irq+0x23/0x50 [ 65.761219][ T4996] ? lockdep_hardirqs_on+0x98/0x140 [ 65.766424][ T4996] do_group_exit+0x206/0x2c0 [ 65.771020][ T4996] __x64_sys_exit_group+0x3f/0x40 [ 65.776049][ T4996] do_syscall_64+0x41/0xc0 [ 65.780503][ T4996] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.786414][ T4996] RIP: 0033:0x7f7ff46d4999 [ 65.790836][ T4996] Code: Unable to access opcode bytes at 0x7f7ff46d496f. [ 65.797860][ T4996] RSP: 002b:00007ffde997c8a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 65.806286][ T4996] RAX: ffffffffffffffda RBX: 00007f7ff4756330 RCX: 00007f7ff46d4999 [ 65.814267][ T4996] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 65.822242][ T4996] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 000000000000c157 [ 65.830217][ T4996] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ff4756330 [ 65.838191][ T4996] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 65.846184][ T4996] [ 65.849236][ T4996] [ 65.851557][ T4996] The buggy address belongs to the physical page: [ 65.857974][ T4996] page:ffffea0001d71000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x75c40 [ 65.868128][ T4996] head:ffffea0001d71000 order:6 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 65.877063][ T4996] flags: 0xfff00000010000(head|node=0|zone=1|lastcpupid=0x7ff) [ 65.884619][ T4996] page_type: 0xffffffff() [ 65.888948][ T4996] raw: 00fff00000010000 0000000000000000 dead000000000122 0000000000000000 [ 65.897619][ T4996] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 65.906194][ T4996] page dumped because: kasan: bad access detected [ 65.912601][ T4996] page_owner tracks the page as allocated [ 65.918311][ T4996] page last allocated via order 6, migratetype Unmovable, gfp_mask 0x46dc0(GFP_KERNEL|__GFP_NOWARN|__GFP_RETRY_MAYFAIL|__GFP_COMP|__GFP_ZERO), pid 4996, tgid 4996 (syz-executor205), ts 65296013335, free_ts 18373394447 [ 65.939324][ T4996] post_alloc_hook+0x1e6/0x210 [ 65.944095][ T4996] get_page_from_freelist+0x321c/0x33a0 [ 65.949648][ T4996] __alloc_pages+0x255/0x670 [ 65.954240][ T4996] __kmalloc_large_node+0x91/0x1d0 [ 65.959357][ T4996] __kmalloc_node+0x116/0x230 [ 65.964123][ T4996] kvmalloc_node+0x72/0x180 [ 65.968627][ T4996] xlog_alloc_log+0x638/0x13a0 [ 65.973398][ T4996] xfs_log_mount+0xe7/0x770 [ 65.977903][ T4996] xfs_mountfs+0xcbf/0x1f10 [ 65.982413][ T4996] xfs_fs_fill_super+0xfd7/0x1230 [ 65.987440][ T4996] get_tree_bdev+0x405/0x620 [ 65.992030][ T4996] vfs_get_tree+0x8c/0x270 [ 65.996450][ T4996] do_new_mount+0x28f/0xae0 [ 66.000956][ T4996] __se_sys_mount+0x2d9/0x3c0 [ 66.005634][ T4996] do_syscall_64+0x41/0xc0 [ 66.010046][ T4996] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 66.015943][ T4996] page last free stack trace: [ 66.020605][ T4996] free_unref_page_prepare+0x903/0xa30 [ 66.026068][ T4996] free_unref_page+0x37/0x3f0 [ 66.030747][ T4996] free_contig_range+0x9e/0x150 [ 66.035601][ T4996] destroy_args+0x102/0x9a0 [ 66.040104][ T4996] debug_vm_pgtable+0x405/0x490 [ 66.044954][ T4996] do_one_initcall+0x23d/0x7d0 [ 66.049724][ T4996] do_initcall_level+0x157/0x210 [ 66.054666][ T4996] do_initcalls+0x3f/0x80 [ 66.058999][ T4996] kernel_init_freeable+0x43b/0x5d0 [ 66.064204][ T4996] kernel_init+0x1d/0x2a0 [ 66.068545][ T4996] ret_from_fork+0x1f/0x30 [ 66.072972][ T4996] [ 66.075293][ T4996] Memory state around the buggy address: [ 66.080916][ T4996] ffff888075c64d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 66.088977][ T4996] ffff888075c64d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 66.097037][ T4996] >ffff888075c64e00: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 66.105091][ T4996] ^ [ 66.109152][ T4996] ffff888075c64e80: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 66.117208][ T4996] ffff888075c64f00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 66.125261][ T4996] ================================================================== [ 66.135101][ T4996] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 66.142322][ T4996] CPU: 0 PID: 4996 Comm: syz-executor205 Not tainted 6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0 [ 66.152739][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 66.162793][ T4996] Call Trace: [ 66.166073][ T4996] [ 66.169003][ T4996] dump_stack_lvl+0x1e7/0x2d0 [ 66.173690][ T4996] ? nf_tcp_handle_invalid+0x650/0x650 [ 66.179153][ T4996] ? panic+0x770/0x770 [ 66.183227][ T4996] ? preempt_schedule_common+0x83/0xc0 [ 66.188701][ T4996] ? vscnprintf+0x5d/0x80 [ 66.193042][ T4996] panic+0x30f/0x770 [ 66.196946][ T4996] ? check_panic_on_warn+0x21/0xa0 [ 66.202067][ T4996] ? __memcpy_flushcache+0x2b0/0x2b0 [ 66.207357][ T4996] ? _raw_spin_unlock_irqrestore+0x12c/0x140 [ 66.213344][ T4996] ? _raw_spin_unlock+0x40/0x40 [ 66.218195][ T4996] ? print_report+0x4fb/0x540 [ 66.222879][ T4996] check_panic_on_warn+0x82/0xa0 [ 66.227913][ T4996] ? xlog_pack_data+0x370/0x540 [ 66.232771][ T4996] end_report+0x63/0x110 [ 66.237029][ T4996] kasan_report+0x183/0x1b0 [ 66.241573][ T4996] ? xlog_pack_data+0x370/0x540 [ 66.246439][ T4996] xlog_pack_data+0x370/0x540 [ 66.251133][ T4996] xlog_sync+0x366/0xd50 [ 66.255386][ T4996] xlog_state_release_iclog+0x46d/0x7f0 [ 66.260943][ T4996] ? xlog_force_lsn+0x5e5/0x770 [ 66.265805][ T4996] xlog_force_lsn+0x5e5/0x770 [ 66.270495][ T4996] xfs_log_force_seq+0x1da/0x450 [ 66.275451][ T4996] __xfs_trans_commit+0xb38/0x11d0 [ 66.280572][ T4996] ? rcu_is_watching+0x15/0xb0 [ 66.285351][ T4996] ? xfs_trans_commit+0x20/0x20 [ 66.290217][ T4996] xfs_sync_sb+0x140/0x190 [ 66.294643][ T4996] ? xfs_log_sb+0x1b0/0x1b0 [ 66.299158][ T4996] xfs_log_quiesce+0x38f/0x680 [ 66.303931][ T4996] xfs_log_clean+0xa4/0xc10 [ 66.308439][ T4996] ? mark_lock+0x9a/0x340 [ 66.312776][ T4996] ? xfs_log_quiesce+0x680/0x680 [ 66.317720][ T4996] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 66.323726][ T4996] ? print_irqtrace_events+0x220/0x220 [ 66.329191][ T4996] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 66.335088][ T4996] ? lockdep_hardirqs_on+0x98/0x140 [ 66.340298][ T4996] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 66.346195][ T4996] ? _raw_spin_unlock+0x40/0x40 [ 66.351057][ T4996] xfs_log_unmount+0x2c/0x1c0 [ 66.355743][ T4996] xfs_unmountfs+0x1d6/0x280 [ 66.360353][ T4996] ? xfs_uuid_unmount+0x120/0x120 [ 66.365477][ T4996] ? __kmem_cache_free+0x264/0x3c0 [ 66.370592][ T4996] ? xfs_fs_put_super+0x6c/0x2d0 [ 66.375539][ T4996] xfs_fs_put_super+0x74/0x2d0 [ 66.380308][ T4996] ? generic_shutdown_super+0x12f/0x340 [ 66.385856][ T4996] ? xfs_fs_drop_inode+0xe0/0xe0 [ 66.390804][ T4996] generic_shutdown_super+0x134/0x340 [ 66.396182][ T4996] kill_block_super+0x84/0xf0 [ 66.400866][ T4996] deactivate_locked_super+0xa4/0x110 [ 66.406351][ T4996] cleanup_mnt+0x426/0x4c0 [ 66.410776][ T4996] ? _raw_spin_unlock_irq+0x23/0x50 [ 66.416155][ T4996] task_work_run+0x24a/0x300 [ 66.420745][ T4996] ? kasan_quarantine_put+0xd8/0x230 [ 66.426042][ T4996] ? task_work_cancel+0x2b0/0x2b0 [ 66.431068][ T4996] ? kmem_cache_free+0x297/0x520 [ 66.436022][ T4996] ? do_exit+0x68a/0x2290 [ 66.440359][ T4996] do_exit+0x68f/0x2290 [ 66.444523][ T4996] ? put_task_struct+0x80/0x80 [ 66.449297][ T4996] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 66.455289][ T4996] ? print_irqtrace_events+0x220/0x220 [ 66.460756][ T4996] ? _raw_spin_unlock_irq+0x23/0x50 [ 66.465961][ T4996] ? lockdep_hardirqs_on+0x98/0x140 [ 66.471166][ T4996] do_group_exit+0x206/0x2c0 [ 66.475765][ T4996] __x64_sys_exit_group+0x3f/0x40 [ 66.480798][ T4996] do_syscall_64+0x41/0xc0 [ 66.485235][ T4996] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 66.491160][ T4996] RIP: 0033:0x7f7ff46d4999 [ 66.495591][ T4996] Code: Unable to access opcode bytes at 0x7f7ff46d496f. [ 66.502608][ T4996] RSP: 002b:00007ffde997c8a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 66.511031][ T4996] RAX: ffffffffffffffda RBX: 00007f7ff4756330 RCX: 00007f7ff46d4999 [ 66.519004][ T4996] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 66.526975][ T4996] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 000000000000c157 [ 66.534945][ T4996] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ff4756330 [ 66.542922][ T4996] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 66.550932][ T4996] [ 66.554121][ T4996] Kernel Offset: disabled [ 66.558448][ T4996] Rebooting in 86400 seconds..