./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3261828916
<...>
no interfaces have a carrier
[ 29.015570][ T3211] 8021q: adding VLAN 0 to HW filter on device bond0
[ 29.030080][ T3211] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: [ 29.446889][ T3301] sshd (3301) used greatest stack depth: 16576 bytes left
OK
syzkaller
Warning: Permanently added '10.128.0.191' (ECDSA) to the list of known hosts.
execve("./syz-executor3261828916", ["./syz-executor3261828916"], 0x7ffd6747ae10 /* 10 vars */) = 0
brk(NULL) = 0x555555ce2000
brk(0x555555ce2c40) = 0x555555ce2c40
arch_prctl(ARCH_SET_FS, 0x555555ce2300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor3261828916", 4096) = 28
brk(0x555555d03c40) = 0x555555d03c40
brk(0x555555d04000) = 0x555555d04000
mprotect(0x7f837ce99000, 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
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8374800000
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(0x7f8374800000, 16777216) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
mkdir("./file0", 0777) = 0
syzkaller login: [ 54.981999][ T3631] loop0: detected capacity change from 0 to 32768
[ 54.993836][ T3631] BTRFS: device fsid 5ac8a51e-da3a-4998-8e66-e1df06b87bc8 devid 1 transid 8 /dev/loop0 scanned by syz-executor326 (3631)
[ 55.011418][ T3631] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm
[ 55.020811][ T3631] BTRFS info (device loop0): using free space tree
mount("/dev/loop0", "./file0", "btrfs", 0, "noflushoncommit,rescan_uuid_tree,noacl,noautodefrag,datacow,") = 0
openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
ioctl(4, LOOP_CLR_FD) = 0
close(4) = 0
ioctl(3, BTRFS_IOC_SUBVOL_SETFLAGS, BTRFS_SUBVOL_RDONLY) = 0
[ 55.041044][ T3631] BTRFS info (device loop0): enabling ssd optimizations
[ 55.049551][ T3631] BTRFS info (device loop0): checking UUID tree
[ 55.078212][ T3631] ------------[ cut here ]------------
[ 55.083782][ T3631] WARNING: CPU: 0 PID: 3631 at fs/read_write.c:504 __kernel_write_iter+0x639/0x740
[ 55.093533][ T3631] Modules linked in:
[ 55.097811][ T3631] CPU: 0 PID: 3631 Comm: syz-executor326 Not tainted 6.1.0-rc6-syzkaller-00375-gcf562a45a0d5 #0
[ 55.108541][ T3631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 55.118942][ T3631] RIP: 0010:__kernel_write_iter+0x639/0x740
[ 55.124860][ T3631] Code: 25 28 00 00 00 48 3b 84 24 e0 00 00 00 0f 85 17 01 00 00 4c 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e7 80 9d ff <0f> 0b 49 c7 c6 f7 ff ff ff eb a5 e8 d7 80 9d ff 4c 8b 74 24 18 eb
[ 55.144972][ T3631] RSP: 0018:ffffc90003c8f740 EFLAGS: 00010293
[ 55.151453][ T3631] RAX: ffffffff81ed1709 RBX: 00000000000a801d RCX: ffff888027bcd7c0
[ 55.159729][ T3631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 55.167970][ T3631] RBP: ffffc90003c8f870 R08: ffffffff81ed117d R09: fffffbfff1cebdfe
[ 55.175959][ T3631] R10: fffffbfff1cebdfe R11: 1ffffffff1cebdfd R12: 1ffff92000791ef4
[ 55.184313][ T3631] R13: 1ffff110039dc40f R14: ffff88801cee2000 R15: dffffc0000000000
[ 55.192582][ T3631] FS: 0000555555ce2300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 55.201832][ T3631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 55.208672][ T3631] CR2: 0000000020001540 CR3: 00000000745b6000 CR4: 00000000003506f0
[ 55.216669][ T3631] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 55.225009][ T3631] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 55.233283][ T3631] Call Trace:
[ 55.236579][ T3631]
[ 55.239850][ T3631] ? rcu_read_lock_sched_held+0x87/0x110
[ 55.245497][ T3631] ? vfs_read+0xbf0/0xbf0
[ 55.250124][ T3631] ? lockdep_unlock+0x144/0x2e0
[ 55.254973][ T3631] ? apparmor_file_permission+0x2da/0x310
[ 55.260936][ T3631] ? bpf_lsm_file_permission+0x5/0x10
[ 55.266309][ T3631] ? security_file_permission+0xe0/0x5c0
[ 55.272082][ T3631] ? iov_iter_kvec+0x4a/0x1a0
[ 55.276786][ T3631] kernel_write+0x1c5/0x340
[ 55.281743][ T3631] ? __kernel_write+0x170/0x170
[ 55.286589][ T3631] ? __lock_acquire+0x1f60/0x1f60
[ 55.291710][ T3631] ? btrfs_wait_ordered_extents+0xc85/0xe70
[ 55.297692][ T3631] ? trace_lock_release+0x95/0x220
[ 55.302788][ T3631] ? send_subvol+0x118/0x4b60
[ 55.307490][ T3631] send_subvol+0x1a7/0x4b60
[ 55.311999][ T3631] ? mutex_unlock+0x10/0x10
[ 55.316492][ T3631] ? do_raw_spin_unlock+0x134/0x8a0
[ 55.321726][ T3631] ? ensure_commit_roots_uptodate+0x2a0/0x2a0
[ 55.327825][ T3631] ? trace_btrfs_ordered_extent_remove+0x2f0/0x2f0
[ 55.334311][ T3631] ? sort+0xd7/0x110
[ 55.338230][ T3631] ? sort_r+0x1360/0x1420
[ 55.342564][ T3631] ? kvmalloc_node+0x6e/0x180
[ 55.347279][ T3631] ? btrfs_grab_root+0x310/0x310
[ 55.352218][ T3631] ? ensure_commit_roots_uptodate+0x28c/0x2a0
[ 55.358322][ T3631] btrfs_ioctl_send+0x1e34/0x2340
[ 55.363360][ T3631] _btrfs_ioctl_send+0x2e8/0x420
[ 55.368326][ T3631] ? btrfs_ioctl_set_received_subvol_32+0xb60/0xb60
[ 55.374921][ T3631] ? do_notify_parent+0xe00/0xe00
[ 55.380019][ T3631] btrfs_ioctl+0x5eb/0xc10
[ 55.384440][ T3631] ? btrfs_ioctl_get_supported_features+0x40/0x40
[ 55.390892][ T3631] __se_sys_ioctl+0xfb/0x170
[ 55.395498][ T3631] do_syscall_64+0x3d/0xb0
[ 55.399968][ T3631] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 55.405860][ T3631] RIP: 0033:0x7f837ce27b49
[ 55.410311][ T3631] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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
[ 55.429955][ T3631] RSP: 002b:00007ffe249006b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 55.438453][ T3631] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f837ce27b49
[ 55.446425][ T3631] RDX: 00000000200003c0 RSI: 0000000040489426 RDI: 0000000000000003
[ 55.454422][ T3631] RBP: 00007f837cde7410 R08: 0000000000000000 R09: 0000000000000000
[ 55.462529][ T3631] R10: 00000000000051af R11: 0000000000000246 R12: 00007f837cde74a0
[ 55.470533][ T3631] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 55.478537][ T3631]
[ 55.481540][ T3631] Kernel panic - not syncing: panic_on_warn set ...
[ 55.488101][ T3631] CPU: 1 PID: 3631 Comm: syz-executor326 Not tainted 6.1.0-rc6-syzkaller-00375-gcf562a45a0d5 #0
[ 55.498487][ T3631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 55.508522][ T3631] Call Trace:
[ 55.511782][ T3631]
[ 55.514699][ T3631] dump_stack_lvl+0x1b1/0x28e
[ 55.519363][ T3631] ? nf_tcp_handle_invalid+0x62e/0x62e
[ 55.524803][ T3631] ? panic+0x710/0x710
[ 55.528857][ T3631] ? vscnprintf+0x59/0x80
[ 55.533173][ T3631] ? __kernel_write_iter+0x630/0x740
[ 55.538452][ T3631] panic+0x2d6/0x710
[ 55.542344][ T3631] ? __warn+0x131/0x220
[ 55.546495][ T3631] ? memcpy_page_flushcache+0xfc/0xfc
[ 55.551874][ T3631] ? __kernel_write_iter+0x639/0x740
[ 55.557156][ T3631] __warn+0x1fa/0x220
[ 55.561132][ T3631] ? __kernel_write_iter+0x639/0x740
[ 55.566414][ T3631] report_bug+0x1b3/0x2d0
[ 55.570740][ T3631] handle_bug+0x3d/0x70
[ 55.574887][ T3631] exc_invalid_op+0x16/0x40
[ 55.579385][ T3631] asm_exc_invalid_op+0x16/0x20
[ 55.585355][ T3631] RIP: 0010:__kernel_write_iter+0x639/0x740
[ 55.591249][ T3631] Code: 25 28 00 00 00 48 3b 84 24 e0 00 00 00 0f 85 17 01 00 00 4c 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e7 80 9d ff <0f> 0b 49 c7 c6 f7 ff ff ff eb a5 e8 d7 80 9d ff 4c 8b 74 24 18 eb
[ 55.610845][ T3631] RSP: 0018:ffffc90003c8f740 EFLAGS: 00010293
[ 55.616902][ T3631] RAX: ffffffff81ed1709 RBX: 00000000000a801d RCX: ffff888027bcd7c0
[ 55.624866][ T3631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 55.632824][ T3631] RBP: ffffc90003c8f870 R08: ffffffff81ed117d R09: fffffbfff1cebdfe
[ 55.640789][ T3631] R10: fffffbfff1cebdfe R11: 1ffffffff1cebdfd R12: 1ffff92000791ef4
[ 55.648756][ T3631] R13: 1ffff110039dc40f R14: ffff88801cee2000 R15: dffffc0000000000
[ 55.656726][ T3631] ? __kernel_write_iter+0xad/0x740
[ 55.661919][ T3631] ? __kernel_write_iter+0x639/0x740
[ 55.667208][ T3631] ? rcu_read_lock_sched_held+0x87/0x110
[ 55.672835][ T3631] ? vfs_read+0xbf0/0xbf0
[ 55.677155][ T3631] ? lockdep_unlock+0x144/0x2e0
[ 55.681999][ T3631] ? apparmor_file_permission+0x2da/0x310
[ 55.687713][ T3631] ? bpf_lsm_file_permission+0x5/0x10
[ 55.693078][ T3631] ? security_file_permission+0xe0/0x5c0
[ 55.698705][ T3631] ? iov_iter_kvec+0x4a/0x1a0
[ 55.703381][ T3631] kernel_write+0x1c5/0x340
[ 55.707880][ T3631] ? __kernel_write+0x170/0x170
[ 55.712725][ T3631] ? __lock_acquire+0x1f60/0x1f60
[ 55.717744][ T3631] ? btrfs_wait_ordered_extents+0xc85/0xe70
[ 55.723628][ T3631] ? trace_lock_release+0x95/0x220
[ 55.728733][ T3631] ? send_subvol+0x118/0x4b60
[ 55.733409][ T3631] send_subvol+0x1a7/0x4b60
[ 55.737911][ T3631] ? mutex_unlock+0x10/0x10
[ 55.742415][ T3631] ? do_raw_spin_unlock+0x134/0x8a0
[ 55.747614][ T3631] ? ensure_commit_roots_uptodate+0x2a0/0x2a0
[ 55.753687][ T3631] ? trace_btrfs_ordered_extent_remove+0x2f0/0x2f0
[ 55.760186][ T3631] ? sort+0xd7/0x110
[ 55.764078][ T3631] ? sort_r+0x1360/0x1420
[ 55.768405][ T3631] ? kvmalloc_node+0x6e/0x180
[ 55.773089][ T3631] ? btrfs_grab_root+0x310/0x310
[ 55.778027][ T3631] ? ensure_commit_roots_uptodate+0x28c/0x2a0
[ 55.784096][ T3631] btrfs_ioctl_send+0x1e34/0x2340
[ 55.789131][ T3631] _btrfs_ioctl_send+0x2e8/0x420
[ 55.794066][ T3631] ? btrfs_ioctl_set_received_subvol_32+0xb60/0xb60
[ 55.800678][ T3631] ? do_notify_parent+0xe00/0xe00
[ 55.805706][ T3631] btrfs_ioctl+0x5eb/0xc10
[ 55.810121][ T3631] ? btrfs_ioctl_get_supported_features+0x40/0x40
[ 55.816529][ T3631] __se_sys_ioctl+0xfb/0x170
[ 55.821118][ T3631] do_syscall_64+0x3d/0xb0
[ 55.825531][ T3631] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 55.831417][ T3631] RIP: 0033:0x7f837ce27b49
[ 55.835834][ T3631] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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
[ 55.855437][ T3631] RSP: 002b:00007ffe249006b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 55.863848][ T3631] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f837ce27b49
[ 55.871813][ T3631] RDX: 00000000200003c0 RSI: 0000000040489426 RDI: 0000000000000003
[ 55.879776][ T3631] RBP: 00007f837cde7410 R08: 0000000000000000 R09: 0000000000000000
[ 55.887739][ T3631] R10: 00000000000051af R11: 0000000000000246 R12: 00007f837cde74a0
[ 55.895706][ T3631] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 55.903691][ T3631]
[ 55.906905][ T3631] Kernel Offset: disabled
[ 55.911331][ T3631] Rebooting in 86400 seconds..