Extracting prog: 7m25.69884778s
Minimizing prog: 1h5m42.062806753s
Simplifying prog options: 11m47.116810664s
Extracting C: 5m20.003518908s
Simplifying C: 0s


1 programs, timeouts [30s 1m40s 6m0s]
extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-close-socket$inet6_tcp-listen-socket$netlink-mount$9p_fd
detailed listing:
executing program 0:
r0 = creat(&(0x7f0000000340)='./file0\x00', 0x0)
close(r0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r1, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x4)
mount$9p_fd(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f00000000c0), 0x0, &(0x7f0000000780)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}})

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-close-socket$inet6_tcp-listen-socket$netlink-mount$9p_fd
detailed listing:
executing program 0:
r0 = creat(&(0x7f0000000340)='./file0\x00', 0x0)
close(r0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r1, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x4)
mount$9p_fd(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f00000000c0), 0x0, &(0x7f0000000780)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}})

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-close-socket$inet6_tcp-listen-socket$netlink-mount$9p_fd
detailed listing:
executing program 0:
r0 = creat(&(0x7f0000000340)='./file0\x00', 0x0)
close(r0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r1, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x4)
mount$9p_fd(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f00000000c0), 0x0, &(0x7f0000000780)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}})

program crashed: kernel BUG in z3fold_page_migrate
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-close-socket$inet6_tcp-listen-socket$netlink
detailed listing:
executing program 0:
r0 = creat(&(0x7f0000000340)='./file0\x00', 0x0)
close(r0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r1, 0x0)
socket$netlink(0x10, 0x3, 0x4)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-close-socket$inet6_tcp-listen-mount$9p_fd
detailed listing:
executing program 0:
r0 = creat(&(0x7f0000000340)='./file0\x00', 0x0)
close(r0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r1, 0x0)
mount$9p_fd(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f00000000c0), 0x0, &(0x7f0000000780)={'trans=fd,', {'rfdno', 0x3d, r0}})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-close-socket$inet6_tcp-socket$netlink-mount$9p_fd
detailed listing:
executing program 0:
r0 = creat(&(0x7f0000000340)='./file0\x00', 0x0)
close(r0)
socket$inet6_tcp(0xa, 0x1, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x4)
mount$9p_fd(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f00000000c0), 0x0, &(0x7f0000000780)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-close-listen-socket$netlink-mount$9p_fd
detailed listing:
executing program 0:
r0 = creat(&(0x7f0000000340)='./file0\x00', 0x0)
close(r0)
listen(0xffffffffffffffff, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x4)
mount$9p_fd(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f00000000c0), 0x0, &(0x7f0000000780)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-socket$inet6_tcp-listen-socket$netlink-mount$9p_fd
detailed listing:
executing program 0:
r0 = creat(&(0x7f0000000340)='./file0\x00', 0x0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r1, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x4)
mount$9p_fd(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f00000000c0), 0x0, &(0x7f0000000780)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): close-socket$inet6_tcp-listen-socket$netlink-mount$9p_fd
detailed listing:
executing program 0:
close(0xffffffffffffffff)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r0, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x4)
mount$9p_fd(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f00000000c0), 0x0, &(0x7f0000000780)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r1}})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-close-socket$inet6_tcp-listen-socket$netlink-mount$9p_fd
detailed listing:
executing program 0:
r0 = creat(0x0, 0x0)
close(r0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r1, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x4)
mount$9p_fd(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f00000000c0), 0x0, &(0x7f0000000780)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-close-socket$inet6_tcp-listen-socket$netlink-mount$9p_fd
detailed listing:
executing program 0:
r0 = creat(&(0x7f0000000340)='./file0\x00', 0x0)
close(r0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r1, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x4)
mount$9p_fd(0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000000780)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-close-socket$inet6_tcp-listen-socket$netlink-mount$9p_fd
detailed listing:
executing program 0:
r0 = creat(&(0x7f0000000340)='./file0\x00', 0x0)
close(r0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r1, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x4)
mount$9p_fd(0x0, &(0x7f0000000240)='./file0\x00', 0x0, 0x0, &(0x7f0000000780)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-close-socket$inet6_tcp-listen-socket$netlink-mount$9p_fd
detailed listing:
executing program 0:
r0 = creat(&(0x7f0000000340)='./file0\x00', 0x0)
close(r0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r1, 0x0)
socket$netlink(0x10, 0x3, 0x4)
mount$9p_fd(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-close-socket$inet6_tcp-listen-socket$netlink-mount$9p_fd
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-close-socket$inet6_tcp-listen-socket$netlink-mount$9p_fd
detailed listing:
executing program 0:
r0 = creat(&(0x7f0000000340)='./file0\x00', 0x0)
close(r0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r1, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x4)
mount$9p_fd(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f00000000c0), 0x0, &(0x7f0000000780)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}})

program crashed: INFO: task hung in addrconf_dad_work
a never seen crash title: INFO: task hung in addrconf_dad_work, ignore
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-close-socket$inet6_tcp-listen-socket$netlink-mount$9p_fd
detailed listing:
executing program 0:
r0 = creat(&(0x7f0000000340)='./file0\x00', 0x0)
close(r0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r1, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x4)
mount$9p_fd(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f00000000c0), 0x0, &(0x7f0000000780)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}})

program did not crash
reproducing took 1h30m14.882000741s
repro crashed as (corrupted=false):
 try_to_shrink_lruvec+0x9ab/0xbb0 mm/vmscan.c:4755
 shrink_one+0x3b9/0x850 mm/vmscan.c:4793
 shrink_many mm/vmscan.c:4856 [inline]
 lru_gen_shrink_node mm/vmscan.c:4934 [inline]
 shrink_node+0x3799/0x3de0 mm/vmscan.c:5914
 kswapd_shrink_node mm/vmscan.c:6742 [inline]
 balance_pgdat mm/vmscan.c:6934 [inline]
 kswapd+0x1cbc/0x3720 mm/vmscan.c:7203
------------[ cut here ]------------
kernel BUG at mm/z3fold.c:1293!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 29 Comm: kcompactd1 Not tainted 6.11.0-rc7-syzkaller-00149-g0babf683783d #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:z3fold_page_migrate+0xafd/0xf50 mm/z3fold.c:1293
Code: ff 4c 89 f7 48 c7 c6 40 36 18 8c e8 9d 17 d7 ff 90 0f 0b e8 25 ba 8c ff 48 8b 7c 24 08 48 c7 c6 a0 36 18 8c e8 84 17 d7 ff 90 <0f> 0b f3 0f 1e fa 48 89 ee 48 81 e6 ff 0f 00 00 31 ff e8 dc be 8c
RSP: 0018:ffffc900004fed98 EFLAGS: 00010246
RAX: 2ac19587b3dc5700 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8c0ad560 RDI: 0000000000000001
RBP: ffffea00012a6f80 R08: ffffffff9018766f R09: 1ffffffff2030ecd
R10: dffffc0000000000 R11: fffffbfff2030ece R12: dffffc0000000000
R13: ffffffff8c1834a8 R14: ffffea0001157580 R15: 1ffffd400022aeb0
FS:  0000000000000000(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000003793000 CR3: 0000000011e16000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 move_to_new_folio+0x99e/0x12e0 mm/migrate.c:999
 migrate_folio_move mm/migrate.c:1288 [inline]
 migrate_pages_batch+0x2527/0x3560 mm/migrate.c:1818
 migrate_pages_sync mm/migrate.c:1911 [inline]
 migrate_pages+0x262b/0x3460 mm/migrate.c:1993
 compact_zone+0x3404/0x4af0 mm/compaction.c:2671
 compact_node+0x2de/0x460 mm/compaction.c:2935
 kcompactd+0x788/0x1530 mm/compaction.c:3233
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:z3fold_page_migrate+0xafd/0xf50 mm/z3fold.c:1293
Code: ff 4c 89 f7 48 c7 c6 40 36 18 8c e8 9d 17 d7 ff 90 0f 0b e8 25 ba 8c ff 48 8b 7c 24 08 48 c7 c6 a0 36 18 8c e8 84 17 d7 ff 90 <0f> 0b f3 0f 1e fa 48 89 ee 48 81 e6 ff 0f 00 00 31 ff e8 dc be 8c
RSP: 0018:ffffc900004fed98 EFLAGS: 00010246
RAX: 2ac19587b3dc5700 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8c0ad560 RDI: 0000000000000001
RBP: ffffea00012a6f80 R08: ffffffff9018766f R09: 1ffffffff2030ecd
R10: dffffc0000000000 R11: fffffbfff2030ece R12: dffffc0000000000
R13: ffffffff8c1834a8 R14: ffffea0001157580 R15: 1ffffd400022aeb0
FS:  0000000000000000(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000003cf5010 CR3: 000000001f032000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
 try_to_shrink_lruvec+0x9ab/0xbb0 mm/vmscan.c:4755
 shrink_one+0x3b9/0x850 mm/vmscan.c:4793
 shrink_many mm/vmscan.c:4856 [inline]
 lru_gen_shrink_node mm/vmscan.c:4934 [inline]
 shrink_node+0x3799/0x3de0 mm/vmscan.c:5914
 kswapd_shrink_node mm/vmscan.c:6742 [inline]
 balance_pgdat mm/vmscan.c:6934 [inline]
 kswapd+0x1cbc/0x3720 mm/vmscan.c:7203
------------[ cut here ]------------
kernel BUG at mm/z3fold.c:1293!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 29 Comm: kcompactd1 Not tainted 6.11.0-rc7-syzkaller-00149-g0babf683783d #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:z3fold_page_migrate+0xafd/0xf50 mm/z3fold.c:1293
Code: ff 4c 89 f7 48 c7 c6 40 36 18 8c e8 9d 17 d7 ff 90 0f 0b e8 25 ba 8c ff 48 8b 7c 24 08 48 c7 c6 a0 36 18 8c e8 84 17 d7 ff 90 <0f> 0b f3 0f 1e fa 48 89 ee 48 81 e6 ff 0f 00 00 31 ff e8 dc be 8c
RSP: 0018:ffffc900004fed98 EFLAGS: 00010246
RAX: 2ac19587b3dc5700 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8c0ad560 RDI: 0000000000000001
RBP: ffffea00012a6f80 R08: ffffffff9018766f R09: 1ffffffff2030ecd
R10: dffffc0000000000 R11: fffffbfff2030ece R12: dffffc0000000000
R13: ffffffff8c1834a8 R14: ffffea0001157580 R15: 1ffffd400022aeb0
FS:  0000000000000000(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000003793000 CR3: 0000000011e16000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 move_to_new_folio+0x99e/0x12e0 mm/migrate.c:999
 migrate_folio_move mm/migrate.c:1288 [inline]
 migrate_pages_batch+0x2527/0x3560 mm/migrate.c:1818
 migrate_pages_sync mm/migrate.c:1911 [inline]
 migrate_pages+0x262b/0x3460 mm/migrate.c:1993
 compact_zone+0x3404/0x4af0 mm/compaction.c:2671
 compact_node+0x2de/0x460 mm/compaction.c:2935
 kcompactd+0x788/0x1530 mm/compaction.c:3233
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:z3fold_page_migrate+0xafd/0xf50 mm/z3fold.c:1293
Code: ff 4c 89 f7 48 c7 c6 40 36 18 8c e8 9d 17 d7 ff 90 0f 0b e8 25 ba 8c ff 48 8b 7c 24 08 48 c7 c6 a0 36 18 8c e8 84 17 d7 ff 90 <0f> 0b f3 0f 1e fa 48 89 ee 48 81 e6 ff 0f 00 00 31 ff e8 dc be 8c
RSP: 0018:ffffc900004fed98 EFLAGS: 00010246
RAX: 2ac19587b3dc5700 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8c0ad560 RDI: 0000000000000001
RBP: ffffea00012a6f80 R08: ffffffff9018766f R09: 1ffffffff2030ecd
R10: dffffc0000000000 R11: fffffbfff2030ece R12: dffffc0000000000
R13: ffffffff8c1834a8 R14: ffffea0001157580 R15: 1ffffd400022aeb0
FS:  0000000000000000(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000003cf5010 CR3: 000000001f032000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400