./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1976630963
<...>
forked to background, child pid 3183
no interfaces have a carrier
[ 21.800228][ T3184] 8021q: adding VLAN 0 to HW filter on device bond0
[ 21.811001][ T3184] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.35' (ECDSA) to the list of known hosts.
execve("./syz-executor1976630963", ["./syz-executor1976630963"], 0x7ffcbc37c950 /* 10 vars */) = 0
brk(NULL) = 0x555556e38000
brk(0x555556e38c40) = 0x555556e38c40
arch_prctl(ARCH_SET_FS, 0x555556e38300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor1976630963", 4096) = 28
brk(0x555556e59c40) = 0x555556e59c40
brk(0x555556e5a000) = 0x555556e5a000
mprotect(0x7f530c4c6000, 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
mmap(0x20000000, 16506880, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
userfaultfd(UFFD_USER_MODE_ONLY|O_CLOEXEC) = 3
ioctl(3, UFFDIO_API, 0x20000000) = 0
ioctl(3, UFFDIO_REGISTER, 0x20000080) = 0
syzkaller login: [ 44.034819][ T3612] ------------[ cut here ]------------
[ 44.040525][ T3612] WARNING: CPU: 1 PID: 3612 at include/linux/swapops.h:323 change_protection+0x16e9/0x4280
[ 44.050670][ T3612] Modules linked in:
[ 44.054584][ T3612] CPU: 1 PID: 3612 Comm: syz-executor197 Not tainted 6.0.0-syzkaller-00372-ga5088ee7251e #0
[ 44.064701][ T3612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[ 44.074805][ T3612] RIP: 0010:change_protection+0x16e9/0x4280
[ 44.080732][ T3612] Code: ff 48 8b 84 24 90 00 00 00 80 38 00 0f 85 25 29 00 00 48 8b 44 24 10 48 83 b8 90 00 00 00 00 0f 84 8f f9 ff ff e8 67 65 c3 ff <0f> 0b 48 ba 00 00 00 00 00 fc ff df 48 8b 04 24 48 c1 e8 03 80 3c
[ 44.100387][ T3612] RSP: 0018:ffffc900037cf968 EFLAGS: 00010293
[ 44.106455][ T3612] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000
[ 44.114457][ T3612] RDX: ffff888026a1d880 RSI: ffffffff81b8af89 RDI: 0000000000000007
[ 44.122486][ T3612] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
[ 44.130511][ T3612] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000
[ 44.138515][ T3612] R13: ffff8880000001e8 R14: 0000000000000000 R15: 000000002063e000
[ 44.146481][ T3612] FS: 0000555556e38300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 44.155569][ T3612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 44.162200][ T3612] CR2: 00000000005d84c8 CR3: 000000006f440000 CR4: 0000000000350ee0
[ 44.170205][ T3612] Call Trace:
[ 44.173503][ T3612]
[ 44.176438][ T3612] ? prot_none_hugetlb_entry+0x100/0x100
[ 44.182141][ T3612] ? lock_release+0x780/0x780
[ 44.186848][ T3612] uffd_wp_range+0xf0/0x180
[ 44.191438][ T3612] ? mcopy_continue+0x16d0/0x16d0
[ 44.196502][ T3612] ? vmacache_find+0x62/0x330
[ 44.201251][ T3612] mwriteprotect_range+0x2ea/0x420
[ 44.206570][ T3612] userfaultfd_ioctl+0x438/0x43a0
[ 44.211628][ T3612] ? do_vfs_ioctl+0x132/0x15c0
[ 44.216423][ T3612] ? vfs_fileattr_set+0xbe0/0xbe0
[ 44.221485][ T3612] ? userfaultfd_release+0x660/0x660
[ 44.226794][ T3612] ? find_held_lock+0x2d/0x110
[ 44.231620][ T3612] ? calibrate_delay+0x270/0x1120
[ 44.236653][ T3612] ? lock_downgrade+0x6e0/0x6e0
[ 44.241542][ T3612] ? _raw_spin_unlock_irq+0x1f/0x40
[ 44.246785][ T3612] ? bpf_lsm_file_ioctl+0x5/0x10
[ 44.251784][ T3612] ? userfaultfd_release+0x660/0x660
[ 44.257101][ T3612] __x64_sys_ioctl+0x193/0x200
[ 44.261883][ T3612] do_syscall_64+0x35/0xb0
[ 44.266311][ T3612] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 44.272245][ T3612] RIP: 0033:0x7f530c459bb9
[ 44.276693][ T3612] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 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
[ 44.296372][ T3612] RSP: 002b:00007ffd00773cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 44.304812][ T3612] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f530c459bb9
[ 44.312886][ T3612] RDX: 00000000200000c0 RSI: 00000000c018aa06 RDI: 0000000000000003
[ 44.320894][ T3612] RBP: 00007f530c41dd60 R08: 0000000000000000 R09: 0000000000000000
[ 44.328946][ T3612] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f530c41ddf0
[ 44.336941][ T3612] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 44.344977][ T3612]
[ 44.348018][ T3612] Kernel panic - not syncing: panic_on_warn set ...
[ 44.354585][ T3612] CPU: 1 PID: 3612 Comm: syz-executor197 Not tainted 6.0.0-syzkaller-00372-ga5088ee7251e #0
[ 44.364641][ T3612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[ 44.374683][ T3612] Call Trace:
[ 44.377948][ T3612]
[ 44.380863][ T3612] dump_stack_lvl+0xcd/0x134
[ 44.387017][ T3612] panic+0x2c8/0x627
[ 44.390904][ T3612] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 44.396871][ T3612] ? __warn.cold+0x248/0x2c4
[ 44.401448][ T3612] ? change_protection+0x16e9/0x4280
[ 44.406718][ T3612] __warn.cold+0x259/0x2c4
[ 44.411144][ T3612] ? change_protection+0x16e9/0x4280
[ 44.416439][ T3612] report_bug+0x1bc/0x210
[ 44.420845][ T3612] handle_bug+0x3c/0x60
[ 44.425164][ T3612] exc_invalid_op+0x14/0x40
[ 44.429656][ T3612] asm_exc_invalid_op+0x16/0x20
[ 44.434513][ T3612] RIP: 0010:change_protection+0x16e9/0x4280
[ 44.440394][ T3612] Code: ff 48 8b 84 24 90 00 00 00 80 38 00 0f 85 25 29 00 00 48 8b 44 24 10 48 83 b8 90 00 00 00 00 0f 84 8f f9 ff ff e8 67 65 c3 ff <0f> 0b 48 ba 00 00 00 00 00 fc ff df 48 8b 04 24 48 c1 e8 03 80 3c
[ 44.460167][ T3612] RSP: 0018:ffffc900037cf968 EFLAGS: 00010293
[ 44.466239][ T3612] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000
[ 44.474194][ T3612] RDX: ffff888026a1d880 RSI: ffffffff81b8af89 RDI: 0000000000000007
[ 44.482159][ T3612] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
[ 44.490144][ T3612] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000
[ 44.498127][ T3612] R13: ffff8880000001e8 R14: 0000000000000000 R15: 000000002063e000
[ 44.506119][ T3612] ? change_protection+0x16e9/0x4280
[ 44.511432][ T3612] ? change_protection+0x16e9/0x4280
[ 44.516734][ T3612] ? prot_none_hugetlb_entry+0x100/0x100
[ 44.522391][ T3612] ? lock_release+0x780/0x780
[ 44.527077][ T3612] uffd_wp_range+0xf0/0x180
[ 44.531578][ T3612] ? mcopy_continue+0x16d0/0x16d0
[ 44.536604][ T3612] ? vmacache_find+0x62/0x330
[ 44.541285][ T3612] mwriteprotect_range+0x2ea/0x420
[ 44.546484][ T3612] userfaultfd_ioctl+0x438/0x43a0
[ 44.551596][ T3612] ? do_vfs_ioctl+0x132/0x15c0
[ 44.556361][ T3612] ? vfs_fileattr_set+0xbe0/0xbe0
[ 44.561379][ T3612] ? userfaultfd_release+0x660/0x660
[ 44.566690][ T3612] ? find_held_lock+0x2d/0x110
[ 44.571460][ T3612] ? calibrate_delay+0x270/0x1120
[ 44.576566][ T3612] ? lock_downgrade+0x6e0/0x6e0
[ 44.581421][ T3612] ? _raw_spin_unlock_irq+0x1f/0x40
[ 44.586616][ T3612] ? bpf_lsm_file_ioctl+0x5/0x10
[ 44.591568][ T3612] ? userfaultfd_release+0x660/0x660
[ 44.596855][ T3612] __x64_sys_ioctl+0x193/0x200
[ 44.601619][ T3612] do_syscall_64+0x35/0xb0
[ 44.606034][ T3612] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 44.611921][ T3612] RIP: 0033:0x7f530c459bb9
[ 44.616335][ T3612] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 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
[ 44.635948][ T3612] RSP: 002b:00007ffd00773cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 44.644358][ T3612] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f530c459bb9
[ 44.652343][ T3612] RDX: 00000000200000c0 RSI: 00000000c018aa06 RDI: 0000000000000003
[ 44.660306][ T3612] RBP: 00007f530c41dd60 R08: 0000000000000000 R09: 0000000000000000
[ 44.668292][ T3612] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f530c41ddf0
[ 44.676254][ T3612] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 44.684241][ T3612]
[ 44.688176][ T3612] Kernel Offset: disabled
[ 44.692568][ T3612] Rebooting in 86400 seconds..