./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor220121996 <...> Warning: Permanently added '10.128.1.184' (ED25519) to the list of known hosts. execve("./syz-executor220121996", ["./syz-executor220121996"], 0x7ffd2093df70 /* 10 vars */) = 0 brk(NULL) = 0x555585457000 brk(0x555585457d00) = 0x555585457d00 arch_prctl(ARCH_SET_FS, 0x555585457380) = 0 set_tid_address(0x555585457650) = 5081 set_robust_list(0x555585457660, 24) = 0 rseq(0x555585457ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor220121996", 4096) = 27 getrandom("\xd2\x24\xd8\xcf\xe9\x52\x8f\x01", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555585457d00 brk(0x555585478d00) = 0x555585478d00 brk(0x555585479000) = 0x555585479000 mprotect(0x7efeb547b000, 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 executing program write(1, "executing program\n", 18) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efeace00000 write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 munmap(0x7efeace00000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file0", 0777) = 0 syzkaller login: [ 59.525890][ T5081] loop0: detected capacity change from 0 to 32768 [ 59.560881][ T5081] ------------[ cut here ]------------ [ 59.566459][ T5081] precision 65535 too large [ 59.567111][ T5081] WARNING: CPU: 0 PID: 5081 at lib/vsprintf.c:2721 vsnprintf+0x1685/0x1da0 [ 59.580323][ T5081] Modules linked in: [ 59.584236][ T5081] CPU: 0 PID: 5081 Comm: syz-executor220 Not tainted 6.9.0-syzkaller-08995-g0450d2083be6 #0 [ 59.594382][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 59.604480][ T5081] RIP: 0010:vsnprintf+0x1685/0x1da0 [ 59.609737][ T5081] Code: cf de f5 90 0f 0b 90 90 e9 83 f6 ff ff e8 43 ad 1c f6 c6 05 2d ab 1c 04 01 90 48 c7 c7 c0 4e eb 8c 44 89 fe e8 3c cf de f5 90 <0f> 0b 90 90 e9 4f f9 ff ff 44 89 e1 80 e1 07 38 c1 0f 8c bf fe ff [ 59.629470][ T5081] RSP: 0018:ffffc9000347eae0 EFLAGS: 00010246 [ 59.635582][ T5081] RAX: 3fecb13336b22c00 RBX: ffffffffffffffff RCX: ffff88802bbc3c00 [ 59.643564][ T5081] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 59.651606][ T5081] RBP: ffffc9000347ebd0 R08: ffffffff81585562 R09: 1ffff1101728519a [ 59.659757][ T5081] R10: dffffc0000000000 R11: ffffed101728519b R12: ffffffff8c14f928 [ 59.667860][ T5081] R13: ffff000000000000 R14: 00000a00ffffff02 R15: 000000000000ffff [ 59.675865][ T5081] FS: 0000555585457380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 59.684778][ T5081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.691420][ T5081] CR2: 00000000005fdeb8 CR3: 00000000790b4000 CR4: 00000000003506f0 [ 59.699444][ T5081] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.707466][ T5081] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.715462][ T5081] Call Trace: [ 59.718748][ T5081] [ 59.721670][ T5081] ? __warn+0x163/0x4e0 [ 59.725895][ T5081] ? vsnprintf+0x1685/0x1da0 [ 59.730499][ T5081] ? report_bug+0x2b3/0x500 [ 59.735252][ T5081] ? vsnprintf+0x1685/0x1da0 [ 59.739843][ T5081] ? handle_bug+0x3e/0x70 [ 59.744155][ T5081] ? exc_invalid_op+0x1a/0x50 [ 59.748908][ T5081] ? asm_exc_invalid_op+0x1a/0x20 [ 59.753966][ T5081] ? __warn_printk+0x292/0x360 [ 59.758788][ T5081] ? vsnprintf+0x1685/0x1da0 [ 59.763412][ T5081] ? __pfx_vsnprintf+0x10/0x10 [ 59.768243][ T5081] ? __pfx_vsnprintf+0x10/0x10 [ 59.773033][ T5081] bch2_prt_printf+0x1c5/0x610 [ 59.777889][ T5081] ? __pfx_bch2_prt_printf+0x10/0x10 [ 59.783188][ T5081] ? __pfx_bch2_prt_printf+0x10/0x10 [ 59.788528][ T5081] bch2_xattr_to_text+0x1b3/0x5b0 [ 59.793573][ T5081] journal_entry_btree_keys_to_text+0x401/0x6b0 [ 59.799861][ T5081] bch2_sb_clean_to_text+0x148/0x250 [ 59.805200][ T5081] bch2_sb_field_validate+0x1f7/0x2d0 [ 59.810560][ T5081] ? __pfx_bch2_sb_field_validate+0x10/0x10 [ 59.816486][ T5081] ? bch2_sb_compatible+0x85c/0x3bd0 [ 59.821781][ T5081] ? blk_status_to_errno+0x22/0x80 [ 59.826943][ T5081] ? BCH_SB_BACKGROUND_COMPRESSION_TYPE+0x1b/0x80 [ 59.833366][ T5081] ? bch2_opt_validate+0x2ca/0x300 [ 59.838539][ T5081] bch2_sb_validate+0xa79/0xe10 [ 59.843403][ T5081] ? __pfx_bch2_sb_validate+0x10/0x10 [ 59.848829][ T5081] ? read_one_super+0xe94/0x3400 [ 59.853771][ T5081] ? bch2_sb_realloc+0x3cd/0x660 [ 59.858747][ T5081] ? kfree+0x4e/0x3b0 [ 59.862761][ T5081] ? bio_init+0x11e/0x250 [ 59.867151][ T5081] ? __pfx_read_one_super+0x10/0x10 [ 59.872354][ T5081] ? bch2_sb_realloc+0x424/0x660 [ 59.877361][ T5081] ? __pfx_bch2_sb_realloc+0x10/0x10 [ 59.882655][ T5081] ? bdev_file_open_by_path+0x37e/0x430 [ 59.888272][ T5081] ? __pfx_bdev_file_open_by_path+0x10/0x10 [ 59.894179][ T5081] ? __bch2_read_super+0x29f/0x1460 [ 59.899593][ T5081] ? __asan_memcpy+0x40/0x70 [ 59.904214][ T5081] __bch2_read_super+0xc9a/0x1460 [ 59.909326][ T5081] ? __pfx___bch2_read_super+0x10/0x10 [ 59.914793][ T5081] ? kvmalloc_node+0x72/0x190 [ 59.919544][ T5081] ? rcu_is_watching+0x15/0xb0 [ 59.924328][ T5081] ? trace_kmalloc+0x1f/0xd0 [ 59.928981][ T5081] ? __kmalloc_node+0x270/0x4f0 [ 59.933839][ T5081] ? rcu_is_watching+0x15/0xb0 [ 59.938634][ T5081] ? __bch2_darray_resize+0x13e/0x1e0 [ 59.944021][ T5081] ? __bch2_darray_resize+0x13e/0x1e0 [ 59.949459][ T5081] bch2_fs_open+0x246/0xdf0 [ 59.953970][ T5081] ? kasan_save_track+0x51/0x80 [ 59.958852][ T5081] ? kasan_save_track+0x3f/0x80 [ 59.963713][ T5081] ? kasan_save_free_info+0x40/0x50 [ 59.968962][ T5081] ? poison_slab_object+0xa6/0xe0 [ 59.973994][ T5081] ? __kasan_slab_free+0x37/0x60 [ 59.978961][ T5081] ? kfree+0x153/0x3b0 [ 59.983039][ T5081] ? sget+0x2b8/0x620 [ 59.987081][ T5081] ? bch2_mount+0x652/0x1320 [ 59.991745][ T5081] ? legacy_get_tree+0xee/0x190 [ 59.996643][ T5081] ? vfs_get_tree+0x90/0x2a0 [ 60.001249][ T5081] ? do_new_mount+0x2be/0xb40 [ 60.005985][ T5081] ? __se_sys_mount+0x2d9/0x3c0 [ 60.010848][ T5081] ? do_syscall_64+0xf5/0x240 [ 60.015573][ T5081] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.021670][ T5081] ? __pfx_bch2_fs_open+0x10/0x10 [ 60.026780][ T5081] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 60.033144][ T5081] ? __pfx_bch2_test_super+0x10/0x10 [ 60.038466][ T5081] ? sget+0x2b8/0x620 [ 60.042462][ T5081] ? __pfx_bch2_noset_super+0x10/0x10 [ 60.047905][ T5081] bch2_mount+0x71d/0x1320 [ 60.052343][ T5081] ? __pfx_bch2_mount+0x10/0x10 [ 60.057241][ T5081] ? vfs_parse_fs_string+0x190/0x230 [ 60.062539][ T5081] ? kfree+0x4e/0x3b0 [ 60.066578][ T5081] ? vfs_parse_fs_string+0x190/0x230 [ 60.071881][ T5081] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 60.077550][ T5081] ? cap_capable+0x1b4/0x250 [ 60.082152][ T5081] legacy_get_tree+0xee/0x190 [ 60.086891][ T5081] ? __pfx_bch2_mount+0x10/0x10 [ 60.091749][ T5081] vfs_get_tree+0x90/0x2a0 [ 60.096208][ T5081] do_new_mount+0x2be/0xb40 [ 60.100724][ T5081] ? ns_capable+0x8a/0xf0 [ 60.105112][ T5081] ? __pfx_do_new_mount+0x10/0x10 [ 60.110151][ T5081] __se_sys_mount+0x2d9/0x3c0 [ 60.114843][ T5081] ? __pfx___se_sys_mount+0x10/0x10 [ 60.120078][ T5081] ? do_syscall_64+0x102/0x240 [ 60.124859][ T5081] ? __x64_sys_mount+0x20/0xc0 [ 60.129678][ T5081] do_syscall_64+0xf5/0x240 [ 60.134213][ T5081] ? clear_bhb_loop+0x35/0x90 [ 60.138971][ T5081] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.144872][ T5081] RIP: 0033:0x7efeb53f78fa [ 60.149358][ T5081] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 60.169038][ T5081] RSP: 002b:00007ffe2898bbe8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 60.177501][ T5081] RAX: ffffffffffffffda RBX: 00007ffe2898bc00 RCX: 00007efeb53f78fa [ 60.185546][ T5081] RDX: 0000000020011a00 RSI: 0000000020000080 RDI: 00007ffe2898bc00 [ 60.193529][ T5081] RBP: 0000000000000004 R08: 00007ffe2898bc40 R09: 0000000000011a09 [ 60.201552][ T5081] R10: 0000000001200014 R11: 0000000000000282 R12: 0000000001200014 [ 60.209564][ T5081] R13: 00007ffe2898bc40 R14: 0000000000000003 R15: 0000000001000000 [ 60.217576][ T5081] [ 60.220601][ T5081] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 60.227867][ T5081] CPU: 0 PID: 5081 Comm: syz-executor220 Not tainted 6.9.0-syzkaller-08995-g0450d2083be6 #0 [ 60.237925][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 60.247962][ T5081] Call Trace: [ 60.251270][ T5081] [ 60.254206][ T5081] dump_stack_lvl+0x241/0x360 [ 60.258881][ T5081] ? __pfx_dump_stack_lvl+0x10/0x10 [ 60.264064][ T5081] ? __pfx__printk+0x10/0x10 [ 60.268642][ T5081] ? vscnprintf+0x5d/0x90 [ 60.272958][ T5081] panic+0x349/0x860 [ 60.276848][ T5081] ? __warn+0x172/0x4e0 [ 60.280996][ T5081] ? __pfx_panic+0x10/0x10 [ 60.285410][ T5081] __warn+0x346/0x4e0 [ 60.289378][ T5081] ? vsnprintf+0x1685/0x1da0 [ 60.293957][ T5081] report_bug+0x2b3/0x500 [ 60.298269][ T5081] ? vsnprintf+0x1685/0x1da0 [ 60.302848][ T5081] handle_bug+0x3e/0x70 [ 60.306998][ T5081] exc_invalid_op+0x1a/0x50 [ 60.311499][ T5081] asm_exc_invalid_op+0x1a/0x20 [ 60.316334][ T5081] RIP: 0010:vsnprintf+0x1685/0x1da0 [ 60.321518][ T5081] Code: cf de f5 90 0f 0b 90 90 e9 83 f6 ff ff e8 43 ad 1c f6 c6 05 2d ab 1c 04 01 90 48 c7 c7 c0 4e eb 8c 44 89 fe e8 3c cf de f5 90 <0f> 0b 90 90 e9 4f f9 ff ff 44 89 e1 80 e1 07 38 c1 0f 8c bf fe ff [ 60.341125][ T5081] RSP: 0018:ffffc9000347eae0 EFLAGS: 00010246 [ 60.347195][ T5081] RAX: 3fecb13336b22c00 RBX: ffffffffffffffff RCX: ffff88802bbc3c00 [ 60.355161][ T5081] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 60.363125][ T5081] RBP: ffffc9000347ebd0 R08: ffffffff81585562 R09: 1ffff1101728519a [ 60.371089][ T5081] R10: dffffc0000000000 R11: ffffed101728519b R12: ffffffff8c14f928 [ 60.379057][ T5081] R13: ffff000000000000 R14: 00000a00ffffff02 R15: 000000000000ffff [ 60.387028][ T5081] ? __warn_printk+0x292/0x360 [ 60.391806][ T5081] ? __pfx_vsnprintf+0x10/0x10 [ 60.396567][ T5081] ? __pfx_vsnprintf+0x10/0x10 [ 60.401332][ T5081] bch2_prt_printf+0x1c5/0x610 [ 60.406103][ T5081] ? __pfx_bch2_prt_printf+0x10/0x10 [ 60.411390][ T5081] ? __pfx_bch2_prt_printf+0x10/0x10 [ 60.416671][ T5081] bch2_xattr_to_text+0x1b3/0x5b0 [ 60.421698][ T5081] journal_entry_btree_keys_to_text+0x401/0x6b0 [ 60.427944][ T5081] bch2_sb_clean_to_text+0x148/0x250 [ 60.433228][ T5081] bch2_sb_field_validate+0x1f7/0x2d0 [ 60.438598][ T5081] ? __pfx_bch2_sb_field_validate+0x10/0x10 [ 60.444534][ T5081] ? bch2_sb_compatible+0x85c/0x3bd0 [ 60.449827][ T5081] ? blk_status_to_errno+0x22/0x80 [ 60.454939][ T5081] ? BCH_SB_BACKGROUND_COMPRESSION_TYPE+0x1b/0x80 [ 60.461358][ T5081] ? bch2_opt_validate+0x2ca/0x300 [ 60.466473][ T5081] bch2_sb_validate+0xa79/0xe10 [ 60.471334][ T5081] ? __pfx_bch2_sb_validate+0x10/0x10 [ 60.476708][ T5081] ? read_one_super+0xe94/0x3400 [ 60.481643][ T5081] ? bch2_sb_realloc+0x3cd/0x660 [ 60.486600][ T5081] ? kfree+0x4e/0x3b0 [ 60.490585][ T5081] ? bio_init+0x11e/0x250 [ 60.494914][ T5081] ? __pfx_read_one_super+0x10/0x10 [ 60.500115][ T5081] ? bch2_sb_realloc+0x424/0x660 [ 60.505053][ T5081] ? __pfx_bch2_sb_realloc+0x10/0x10 [ 60.510334][ T5081] ? bdev_file_open_by_path+0x37e/0x430 [ 60.515880][ T5081] ? __pfx_bdev_file_open_by_path+0x10/0x10 [ 60.521769][ T5081] ? __bch2_read_super+0x29f/0x1460 [ 60.526986][ T5081] ? __asan_memcpy+0x40/0x70 [ 60.531584][ T5081] __bch2_read_super+0xc9a/0x1460 [ 60.536620][ T5081] ? __pfx___bch2_read_super+0x10/0x10 [ 60.542075][ T5081] ? kvmalloc_node+0x72/0x190 [ 60.546787][ T5081] ? rcu_is_watching+0x15/0xb0 [ 60.551547][ T5081] ? trace_kmalloc+0x1f/0xd0 [ 60.556135][ T5081] ? __kmalloc_node+0x270/0x4f0 [ 60.560981][ T5081] ? rcu_is_watching+0x15/0xb0 [ 60.565737][ T5081] ? __bch2_darray_resize+0x13e/0x1e0 [ 60.571107][ T5081] ? __bch2_darray_resize+0x13e/0x1e0 [ 60.576477][ T5081] bch2_fs_open+0x246/0xdf0 [ 60.580974][ T5081] ? kasan_save_track+0x51/0x80 [ 60.585819][ T5081] ? kasan_save_track+0x3f/0x80 [ 60.590664][ T5081] ? kasan_save_free_info+0x40/0x50 [ 60.595856][ T5081] ? poison_slab_object+0xa6/0xe0 [ 60.600877][ T5081] ? __kasan_slab_free+0x37/0x60 [ 60.605807][ T5081] ? kfree+0x153/0x3b0 [ 60.609864][ T5081] ? sget+0x2b8/0x620 [ 60.613838][ T5081] ? bch2_mount+0x652/0x1320 [ 60.618419][ T5081] ? legacy_get_tree+0xee/0x190 [ 60.623263][ T5081] ? vfs_get_tree+0x90/0x2a0 [ 60.627849][ T5081] ? do_new_mount+0x2be/0xb40 [ 60.632517][ T5081] ? __se_sys_mount+0x2d9/0x3c0 [ 60.637361][ T5081] ? do_syscall_64+0xf5/0x240 [ 60.642028][ T5081] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.648097][ T5081] ? __pfx_bch2_fs_open+0x10/0x10 [ 60.653128][ T5081] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 60.659460][ T5081] ? __pfx_bch2_test_super+0x10/0x10 [ 60.664736][ T5081] ? sget+0x2b8/0x620 [ 60.668710][ T5081] ? __pfx_bch2_noset_super+0x10/0x10 [ 60.674074][ T5081] bch2_mount+0x71d/0x1320 [ 60.678502][ T5081] ? __pfx_bch2_mount+0x10/0x10 [ 60.683358][ T5081] ? vfs_parse_fs_string+0x190/0x230 [ 60.688642][ T5081] ? kfree+0x4e/0x3b0 [ 60.692618][ T5081] ? vfs_parse_fs_string+0x190/0x230 [ 60.697897][ T5081] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 60.703522][ T5081] ? cap_capable+0x1b4/0x250 [ 60.708107][ T5081] legacy_get_tree+0xee/0x190 [ 60.712776][ T5081] ? __pfx_bch2_mount+0x10/0x10 [ 60.717621][ T5081] vfs_get_tree+0x90/0x2a0 [ 60.722035][ T5081] do_new_mount+0x2be/0xb40 [ 60.726532][ T5081] ? ns_capable+0x8a/0xf0 [ 60.730863][ T5081] ? __pfx_do_new_mount+0x10/0x10 [ 60.735887][ T5081] __se_sys_mount+0x2d9/0x3c0 [ 60.740565][ T5081] ? __pfx___se_sys_mount+0x10/0x10 [ 60.745757][ T5081] ? do_syscall_64+0x102/0x240 [ 60.750514][ T5081] ? __x64_sys_mount+0x20/0xc0 [ 60.755275][ T5081] do_syscall_64+0xf5/0x240 [ 60.759772][ T5081] ? clear_bhb_loop+0x35/0x90 [ 60.764446][ T5081] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.770329][ T5081] RIP: 0033:0x7efeb53f78fa [ 60.774737][ T5081] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 60.794333][ T5081] RSP: 002b:00007ffe2898bbe8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 60.802744][ T5081] RAX: ffffffffffffffda RBX: 00007ffe2898bc00 RCX: 00007efeb53f78fa [ 60.810732][ T5081] RDX: 0000000020011a00 RSI: 0000000020000080 RDI: 00007ffe2898bc00 [ 60.818696][ T5081] RBP: 0000000000000004 R08: 00007ffe2898bc40 R09: 0000000000011a09 [ 60.826657][ T5081] R10: 0000000001200014 R11: 0000000000000282 R12: 0000000001200014 [ 60.834616][ T5081] R13: 00007ffe2898bc40 R14: 0000000000000003 R15: 0000000001000000 [ 60.842589][ T5081] [ 60.845859][ T5081] Kernel Offset: disabled [ 60.850195][ T5081] Rebooting in 86400 seconds..