./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3075942929
<...>
forked to background, child pid 3184
no interfaces have a carrier
[ 23.148097][ T3185] 8021q: adding VLAN 0 to HW filter on device bond0
[ 23.158245][ T3185] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.125' (ECDSA) to the list of known hosts.
execve("./syz-executor3075942929", ["./syz-executor3075942929"], 0x7fff5a41f310 /* 10 vars */) = 0
brk(NULL) = 0x555555cc4000
brk(0x555555cc4c40) = 0x555555cc4c40
arch_prctl(ARCH_SET_FS, 0x555555cc4300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor3075942929", 4096) = 28
brk(0x555555ce5c40) = 0x555555ce5c40
brk(0x555555ce6000) = 0x555555ce6000
mprotect(0x7fd9a0983000, 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: [ 45.116742][ T3605] ------------[ cut here ]------------
[ 45.122398][ T3605] WARNING: CPU: 1 PID: 3605 at include/linux/swapops.h:323 change_protection+0x16e9/0x4280
[ 45.132640][ T3605] Modules linked in:
[ 45.136692][ T3605] CPU: 1 PID: 3605 Comm: syz-executor307 Not tainted 6.0.0-syzkaller-00372-ga5088ee7251e #0
[ 45.146808][ T3605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[ 45.156955][ T3605] RIP: 0010:change_protection+0x16e9/0x4280
[ 45.162848][ T3605] 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
[ 45.182662][ T3605] RSP: 0018:ffffc9000364f968 EFLAGS: 00010293
[ 45.188779][ T3605] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000
[ 45.196810][ T3605] RDX: ffff888024993b00 RSI: ffffffff81b8af89 RDI: 0000000000000007
[ 45.204812][ T3605] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
[ 45.212770][ T3605] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000
[ 45.220814][ T3605] R13: ffff8880000001e8 R14: 0000000000000000 R15: 000000002063e000
[ 45.228855][ T3605] FS: 0000555555cc4300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 45.237905][ T3605] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 45.244576][ T3605] CR2: 00000000005d84c8 CR3: 000000006f6ec000 CR4: 0000000000350ee0
[ 45.252558][ T3605] Call Trace:
[ 45.255897][ T3605]
[ 45.258853][ T3605] ? prot_none_hugetlb_entry+0x100/0x100
[ 45.264545][ T3605] ? lock_release+0x780/0x780
[ 45.269268][ T3605] uffd_wp_range+0xf0/0x180
[ 45.273826][ T3605] ? mcopy_continue+0x16d0/0x16d0
[ 45.278887][ T3605] ? vmacache_find+0x62/0x330
[ 45.283641][ T3605] mwriteprotect_range+0x2ea/0x420
[ 45.288776][ T3605] userfaultfd_ioctl+0x438/0x43a0
[ 45.293952][ T3605] ? do_vfs_ioctl+0x132/0x15c0
[ 45.298740][ T3605] ? vfs_fileattr_set+0xbe0/0xbe0
[ 45.303827][ T3605] ? userfaultfd_release+0x660/0x660
[ 45.309142][ T3605] ? find_held_lock+0x2d/0x110
[ 45.314002][ T3605] ? calibrate_delay+0x270/0x1120
[ 45.319055][ T3605] ? lock_downgrade+0x6e0/0x6e0
[ 45.323957][ T3605] ? _raw_spin_unlock_irq+0x1f/0x40
[ 45.329199][ T3605] ? bpf_lsm_file_ioctl+0x5/0x10
[ 45.334208][ T3605] ? userfaultfd_release+0x660/0x660
[ 45.339530][ T3605] __x64_sys_ioctl+0x193/0x200
[ 45.344390][ T3605] do_syscall_64+0x35/0xb0
[ 45.348846][ T3605] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 45.354818][ T3605] RIP: 0033:0x7fd9a0916bb9
[ 45.359265][ T3605] 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
[ 45.378988][ T3605] RSP: 002b:00007ffd0cd06148 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 45.387478][ T3605] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd9a0916bb9
[ 45.395558][ T3605] RDX: 00000000200000c0 RSI: 00000000c018aa06 RDI: 0000000000000003
[ 45.403602][ T3605] RBP: 00007fd9a08dad60 R08: 0000000000000000 R09: 0000000000000000
[ 45.411591][ T3605] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd9a08dadf0
[ 45.419660][ T3605] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 45.427724][ T3605]
[ 45.430734][ T3605] Kernel panic - not syncing: panic_on_warn set ...
[ 45.437306][ T3605] CPU: 1 PID: 3605 Comm: syz-executor307 Not tainted 6.0.0-syzkaller-00372-ga5088ee7251e #0
[ 45.447363][ T3605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[ 45.457430][ T3605] Call Trace:
[ 45.460695][ T3605]
[ 45.463620][ T3605] dump_stack_lvl+0xcd/0x134
[ 45.468208][ T3605] panic+0x2c8/0x627
[ 45.472089][ T3605] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 45.478062][ T3605] ? __warn.cold+0x248/0x2c4
[ 45.482647][ T3605] ? change_protection+0x16e9/0x4280
[ 45.487946][ T3605] __warn.cold+0x259/0x2c4
[ 45.492352][ T3605] ? change_protection+0x16e9/0x4280
[ 45.497628][ T3605] report_bug+0x1bc/0x210
[ 45.501955][ T3605] handle_bug+0x3c/0x60
[ 45.506097][ T3605] exc_invalid_op+0x14/0x40
[ 45.510587][ T3605] asm_exc_invalid_op+0x16/0x20
[ 45.515600][ T3605] RIP: 0010:change_protection+0x16e9/0x4280
[ 45.521484][ T3605] 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
[ 45.541098][ T3605] RSP: 0018:ffffc9000364f968 EFLAGS: 00010293
[ 45.547165][ T3605] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000
[ 45.555133][ T3605] RDX: ffff888024993b00 RSI: ffffffff81b8af89 RDI: 0000000000000007
[ 45.563101][ T3605] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
[ 45.571065][ T3605] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000
[ 45.579027][ T3605] R13: ffff8880000001e8 R14: 0000000000000000 R15: 000000002063e000
[ 45.587026][ T3605] ? change_protection+0x16e9/0x4280
[ 45.592322][ T3605] ? change_protection+0x16e9/0x4280
[ 45.597626][ T3605] ? prot_none_hugetlb_entry+0x100/0x100
[ 45.603357][ T3605] ? lock_release+0x780/0x780
[ 45.608032][ T3605] uffd_wp_range+0xf0/0x180
[ 45.612556][ T3605] ? mcopy_continue+0x16d0/0x16d0
[ 45.617587][ T3605] ? vmacache_find+0x62/0x330
[ 45.622274][ T3605] mwriteprotect_range+0x2ea/0x420
[ 45.627385][ T3605] userfaultfd_ioctl+0x438/0x43a0
[ 45.632413][ T3605] ? do_vfs_ioctl+0x132/0x15c0
[ 45.637180][ T3605] ? vfs_fileattr_set+0xbe0/0xbe0
[ 45.642376][ T3605] ? userfaultfd_release+0x660/0x660
[ 45.647666][ T3605] ? find_held_lock+0x2d/0x110
[ 45.652515][ T3605] ? calibrate_delay+0x270/0x1120
[ 45.657538][ T3605] ? lock_downgrade+0x6e0/0x6e0
[ 45.662685][ T3605] ? _raw_spin_unlock_irq+0x1f/0x40
[ 45.667897][ T3605] ? bpf_lsm_file_ioctl+0x5/0x10
[ 45.672838][ T3605] ? userfaultfd_release+0x660/0x660
[ 45.678132][ T3605] __x64_sys_ioctl+0x193/0x200
[ 45.682902][ T3605] do_syscall_64+0x35/0xb0
[ 45.687322][ T3605] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 45.693214][ T3605] RIP: 0033:0x7fd9a0916bb9
[ 45.697627][ T3605] 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
[ 45.717418][ T3605] RSP: 002b:00007ffd0cd06148 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 45.725829][ T3605] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd9a0916bb9
[ 45.733797][ T3605] RDX: 00000000200000c0 RSI: 00000000c018aa06 RDI: 0000000000000003
[ 45.741764][ T3605] RBP: 00007fd9a08dad60 R08: 0000000000000000 R09: 0000000000000000
[ 45.749736][ T3605] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd9a08dadf0
[ 45.757705][ T3605] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 45.765680][ T3605]
[ 45.769424][ T3605] Kernel Offset: disabled
[ 45.773816][ T3605] Rebooting in 86400 seconds..