./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4191968247
<...>
Warning: Permanently added '10.128.1.90' (ED25519) to the list of known hosts.
execve("./syz-executor4191968247", ["./syz-executor4191968247"], 0x7fff0a669510 /* 10 vars */) = 0
brk(NULL) = 0x555555b0f000
brk(0x555555b0fd00) = 0x555555b0fd00
arch_prctl(ARCH_SET_FS, 0x555555b0f380) = 0
set_tid_address(0x555555b0f650) = 5818
set_robust_list(0x555555b0f660, 24) = 0
rseq(0x555555b0fca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4191968247", 4096) = 28
getrandom("\x8c\x22\x7a\xe3\x6e\xe0\xfd\x08", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555555b0fd00
brk(0x555555b30d00) = 0x555555b30d00
brk(0x555555b31000) = 0x555555b31000
mprotect(0x7f7cb7bd7000, 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, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5819 attached
<unfinished ...>
[pid 5819] set_robust_list(0x555555b0f660, 24) = 0
[pid 5818] <... clone resumed>, child_tidptr=0x555555b0f650) = 5819
[pid 5819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5819] setpgid(0, 0) = 0
[pid 5819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5819] write(3, "1000", 4) = 4
[pid 5819] close(3) = 0
executing program
[pid 5819] write(1, "executing program\n", 18) = 18
[pid 5819] memfd_create("syzkaller", 0) = 3
[pid 5819] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7caf600000
[pid 5819] 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
[pid 5819] munmap(0x7f7caf600000, 138412032) = 0
[pid 5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5819] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5819] close(3) = 0
[pid 5819] close(4) = 0
[pid 5819] mkdir("./file1", 0777) = 0
[ 60.743709][ T5819] loop0: detected capacity change from 0 to 32768
[ 60.784554][ T5819] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor419 (5819)
[ 60.816396][ T5819] BTRFS info (device loop0): first mount of filesystem a6a605fc-d5f1-4e66-8595-3726e2b761d6
[ 60.827279][ T5819] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm
[ 60.837744][ T5819] BTRFS info (device loop0): using free-space-tree
[ 60.921425][ T12] BTRFS warning (device loop0): checksum verify failed on logical 5337088 mirror 1 wanted 0x324c5e2d0cac2dc8f61cbfdfc8cd69d9816061b1498b9e1bff7d10a59610160b found 0xf8bb6bdef03b64ff3b11a2a87ba7a2aeacfdb41cc49a87adad5cc1644d216b29 level 0
[ 60.945559][ T737] BTRFS warning (device loop0): checksum verify failed on logical 5341184 mirror 1 wanted 0xc53d3c5bb04ba5dfc01f4c277f0b81815915cb99da5074f609a3f7f617cf284a found 0xd34891a64d32c06b063fbbf3d26e09cb4d5acf5ade8dc51c4cd532bb53f895d0 level 0
[ 60.970083][ T737] BTRFS warning (device loop0): checksum verify failed on logical 5287936 mirror 1 wanted 0x31987782e3a542b4b1826f4a60605b79838e23bf27075900db4b92202c72b2fd found 0xceda3bc49047826ec4468b88ec74a14d6cd3232f25b2c41331ed48993507590e level 0
[ 60.994406][ T737] BTRFS warning (device loop0): checksum verify failed on logical 5292032 mirror 1 wanted 0xcbbb23d5b53a3b4892a5068ee5011732ffcd94742b434497e3f11d7ca86a6d23 found 0x6ab87e71a537053373402d980abd70276b583e303a68e0dd0a46bb41cfc306c8 level 0
[ 61.020646][ T5819] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI
[ 61.033258][ T5819] KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
[ 61.041679][ T5819] CPU: 0 UID: 0 PID: 5819 Comm: syz-executor419 Not tainted 6.13.0-rc1-syzkaller-00316-gb5f217084ab3 #0
[ 61.052778][ T5819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 61.062836][ T5819] RIP: 0010:btrfs_root_node+0x86/0x3b0
[ 61.068319][ T5819] Code: 50 1e c4 fd 48 83 c4 08 e8 e7 67 11 08 89 c3 31 ff 89 c6 e8 3c e9 e8 fd 85 db 74 17 e8 03 7f ce fd 84 c0 74 1c e8 ea e4 e8 fd <43> 80 3c 3c 00 75 4b eb 51 e8 dc e4 e8 fd 43 80 3c 3c 00 75 3d eb
[ 61.088176][ T5819] RSP: 0018:ffffc90003e8f6c0 EFLAGS: 00010293
[ 61.094237][ T5819] RAX: ffffffff83b68cd6 RBX: 0000000000000001 RCX: ffff8880367fda00
[ 61.102202][ T5819] RDX: 0000000000000000 RSI: ffffffff8c5e90c0 RDI: ffffffff8c5e9080
[ 61.110161][ T5819] RBP: ffffc90003e8f8b0 R08: ffffffff83b68cc4 R09: 1ffffffff2850710
[ 61.118123][ T5819] R10: dffffc0000000000 R11: fffffbfff2850711 R12: 0000000000000003
[ 61.126085][ T5819] R13: dffffc0000000000 R14: 0000000000000018 R15: dffffc0000000000
[ 61.134046][ T5819] FS: 0000555555b0f380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 61.142967][ T5819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 61.149537][ T5819] CR2: 000055653e51f088 CR3: 0000000024466000 CR4: 00000000003526f0
[ 61.157504][ T5819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 61.165464][ T5819] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 61.173425][ T5819] Call Trace:
[ 61.176696][ T5819] <TASK>
[ 61.179620][ T5819] ? __die_body+0x5f/0xb0
[ 61.183944][ T5819] ? die_addr+0xb0/0xe0
[ 61.188090][ T5819] ? exc_general_protection+0x3dd/0x5d0
[ 61.193642][ T5819] ? asm_exc_general_protection+0x26/0x30
[ 61.199356][ T5819] ? btrfs_root_node+0x74/0x3b0
[ 61.204198][ T5819] ? btrfs_root_node+0x86/0x3b0
[ 61.209041][ T5819] ? btrfs_root_node+0x86/0x3b0
[ 61.213882][ T5819] ? btrfs_root_node+0x40/0x3b0
[ 61.218721][ T5819] btrfs_read_lock_root_node+0x27/0xd0
[ 61.224174][ T5819] btrfs_build_ref_tree+0x112/0x16f0
[ 61.229452][ T5819] ? try_to_wake_up+0x959/0x1470
[ 61.234381][ T5819] ? __pfx_transaction_kthread+0x10/0x10
[ 61.240004][ T5819] ? __pfx_btrfs_read_qgroup_config+0x10/0x10
[ 61.246064][ T5819] ? cpus_share_resources+0x40/0x120
[ 61.251341][ T5819] ? __pfx_btrfs_build_ref_tree+0x10/0x10
[ 61.257062][ T5819] ? btrfs_check_active_zone_reservation+0x95/0x4d0
[ 61.263645][ T5819] ? btrfs_free_zone_cache+0x15e/0x190
[ 61.269095][ T5819] open_ctree+0x1fb1/0x2a30
[ 61.273598][ T5819] ? bdi_register_va+0x586/0x760
[ 61.278536][ T5819] ? __pfx_open_ctree+0x10/0x10
[ 61.283381][ T5819] btrfs_get_tree+0x1274/0x1a10
[ 61.288226][ T5819] ? __pfx_btrfs_get_tree+0x10/0x10
[ 61.293413][ T5819] ? __pfx_lockdep_init_map_type+0x10/0x10
[ 61.299208][ T5819] ? rcu_is_watching+0x15/0xb0
[ 61.303969][ T5819] vfs_get_tree+0x90/0x2b0
[ 61.308375][ T5819] fc_mount+0x1b/0xb0
[ 61.312352][ T5819] btrfs_get_tree+0x65b/0x1a10
[ 61.317106][ T5819] ? generic_parse_monolithic+0x387/0x400
[ 61.322815][ T5819] ? __pfx_btrfs_get_tree+0x10/0x10
[ 61.328006][ T5819] ? __pfx_generic_parse_monolithic+0x10/0x10
[ 61.334068][ T5819] ? cap_capable+0x1b4/0x250
[ 61.338655][ T5819] ? safesetid_security_capable+0xb2/0x1d0
[ 61.344458][ T5819] vfs_get_tree+0x90/0x2b0
[ 61.348883][ T5819] do_new_mount+0x2be/0xb40
[ 61.353404][ T5819] ? __pfx_do_new_mount+0x10/0x10
[ 61.358434][ T5819] __se_sys_mount+0x2d6/0x3c0
[ 61.363118][ T5819] ? __pfx___se_sys_mount+0x10/0x10
[ 61.368328][ T5819] ? do_syscall_64+0x100/0x230
[ 61.373105][ T5819] ? __x64_sys_mount+0x20/0xc0
[ 61.377868][ T5819] do_syscall_64+0xf3/0x230
[ 61.382378][ T5819] ? clear_bhb_loop+0x35/0x90
[ 61.387060][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 61.392959][ T5819] RIP: 0033:0x7f7cb7b5ff6a
[ 61.397376][ T5819] 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
[ 61.416975][ T5819] RSP: 002b:00007ffddc2cd398 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 61.425385][ T5819] RAX: ffffffffffffffda RBX: 00007ffddc2cd3a0 RCX: 00007f7cb7b5ff6a
[ 61.433349][ T5819] RDX: 0000000020000080 RSI: 0000000020000040 RDI: 00007ffddc2cd3a0
[ 61.441310][ T5819] RBP: 0000000000000004 R08: 00007ffddc2cd3e0 R09: 00000000000055c5
[ 61.449273][ T5819] R10: 000000000001c005 R11: 0000000000000282 R12: 00007ffddc2cd3e0
[ 61.457232][ T5819] R13: 0000000000000003 R14: 0000000001000000 R15: 00007f7cb7ba703b
[ 61.465201][ T5819] </TASK>
[ 61.468213][ T5819] Modules linked in:
[ 61.472275][ T5819] ---[ end trace 0000000000000000 ]---
[ 61.478140][ T5819] RIP: 0010:btrfs_root_node+0x86/0x3b0
[ 61.483682][ T5819] Code: 50 1e c4 fd 48 83 c4 08 e8 e7 67 11 08 89 c3 31 ff 89 c6 e8 3c e9 e8 fd 85 db 74 17 e8 03 7f ce fd 84 c0 74 1c e8 ea e4 e8 fd <43> 80 3c 3c 00 75 4b eb 51 e8 dc e4 e8 fd 43 80 3c 3c 00 75 3d eb
[ 61.503357][ T5819] RSP: 0018:ffffc90003e8f6c0 EFLAGS: 00010293
[ 61.509438][ T5819] RAX: ffffffff83b68cd6 RBX: 0000000000000001 RCX: ffff8880367fda00
[ 61.517433][ T5819] RDX: 0000000000000000 RSI: ffffffff8c5e90c0 RDI: ffffffff8c5e9080
[ 61.525450][ T5819] RBP: ffffc90003e8f8b0 R08: ffffffff83b68cc4 R09: 1ffffffff2850710
[ 61.533450][ T5819] R10: dffffc0000000000 R11: fffffbfff2850711 R12: 0000000000000003
[ 61.541424][ T5819] R13: dffffc0000000000 R14: 0000000000000018 R15: dffffc0000000000
[ 61.549415][ T5819] FS: 0000555555b0f380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 61.558392][ T5819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 61.564996][ T5819] CR2: 000055653e51f088 CR3: 0000000024466000 CR4: 00000000003526f0
[ 61.572974][ T5819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 61.580969][ T5819] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 61.588996][ T5819] Kernel panic - not syncing: Fatal exception
[ 61.595181][ T5819] Kernel Offset: disabled
[ 61.599497][ T5819] Rebooting in 86400 seconds..