Extracting prog: 5m45.502991981s
Minimizing prog: 47m58.127659886s
Simplifying prog options: 12m59.745695488s
Extracting C: 1m8.144618724s
Simplifying C: 0s


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:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5)
close(0x4)
syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00')
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000)
r0 = socket(0x14, 0x2, 0x4)
ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0)

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:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5)
close(0x4)
syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00')
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000)
r0 = socket(0x14, 0x2, 0x4)
ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0)

program crashed: WARNING: ODEBUG bug in lane_ioctl
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5)
close(0x4)
syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00')
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000)
socket(0x14, 0x2, 0x4)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5)
close(0x4)
syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00')
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x61d0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-socket-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5)
close(0x4)
syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00')
r0 = socket(0x14, 0x2, 0x4)
ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-close-mmap-socket-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5)
close(0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000)
r0 = socket(0x14, 0x2, 0x4)
ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5)
syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00')
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000)
r0 = socket(0x14, 0x2, 0x4)
ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
close(0x4)
syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00')
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000)
r0 = socket(0x14, 0x2, 0x4)
ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5)
close(0x4)
syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00')
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000)
r0 = socket(0x14, 0x2, 0x4)
ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5)
close(0x4)
syz_open_procfs$namespace(0x0, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000)
r0 = socket(0x14, 0x2, 0x4)
ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX
program crashed: WARNING: ODEBUG bug in corrupted
a never seen crash title: WARNING: ODEBUG bug in corrupted, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5)
close(0x4)
syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00')
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000)
r0 = socket(0x14, 0x2, 0x4)
ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5)
close(0x4)
syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00')
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000)
r0 = socket(0x14, 0x2, 0x4)
ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5)
close(0x4)
syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00')
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000)
r0 = socket(0x14, 0x2, 0x4)
ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0)

program crashed: WARNING in __cancel_work
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5)
close(0x4)
syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00')
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000)
r0 = socket(0x14, 0x2, 0x4)
ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0)

program crashed: WARNING: ODEBUG bug in lane_ioctl
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_init_net_socket$bt_hci-close-syz_open_procfs$namespace-mmap-socket-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x5)
close(0x4)
syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/cgroup\x00')
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f07ebbeef, 0x8031, 0xffffffffffffffff, 0x215eb000)
r0 = socket(0x14, 0x2, 0x4)
ioctl$sock_SIOCGIFINDEX(r0, 0x61d0, 0x0)

program crashed: WARNING in __cancel_work
validation run: crashed=true
reproducing took 1h16m20.410530046s
repro crashed as (corrupted=false):
------------[ cut here ]------------
!work_pending(work)
WARNING: kernel/workqueue.c:794 at set_work_data kernel/workqueue.c:794 [inline], CPU#0: syz.2.387/7984
WARNING: kernel/workqueue.c:794 at set_work_pool_and_clear_pending kernel/workqueue.c:822 [inline], CPU#0: syz.2.387/7984
WARNING: kernel/workqueue.c:794 at __cancel_work+0x1c1/0x230 kernel/workqueue.c:4428, CPU#0: syz.2.387/7984
Modules linked in:
CPU: 0 UID: 0 PID: 7984 Comm: syz.2.387 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:set_work_data kernel/workqueue.c:794 [inline]
RIP: 0010:set_work_pool_and_clear_pending kernel/workqueue.c:822 [inline]
RIP: 0010:__cancel_work+0x1c1/0x230 kernel/workqueue.c:4428
Code: 02 00 00 75 2d e8 ff d6 37 00 48 85 db 75 32 e8 f5 d6 37 00 eb 31 e8 ee d6 37 00 90 0f 0b 90 e9 c1 fe ff ff e8 e0 d6 37 00 90 <0f> 0b 90 e9 44 ff ff ff e8 d2 d6 37 00 e8 ad 69 2d 0a 48 85 db 74
RSP: 0018:ffffc900057dfbb0 EFLAGS: 00010093
RAX: ffffffff818e8a90 RBX: 001fffffffc00000 RCX: ffff88807c2e3d00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88803293cef7 R09: 1ffff110065279de
R10: dffffc0000000000 R11: ffffed10065279df R12: dffffc0000000000
R13: 1ffff110065279de R14: ffff88803293cef0 R15: 0000000000000040
FS:  000055557b058500(0000) GS:ffff8881251f3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000040 CR3: 0000000033698000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __cancel_work_sync+0x1f/0x110 kernel/workqueue.c:4438
 lec_arp_destroy net/atm/lec.c:1501 [inline]
 lec_atm_close+0x171/0x9e0 net/atm/lec.c:497
 vcc_destroy_socket net/atm/common.c:181 [inline]
 vcc_release+0x10f/0x580 net/atm/common.c:205
 svc_release+0x6c/0xd0 net/atm/svc.c:95
 __sock_release net/socket.c:721 [inline]
 sock_close+0xc3/0x240 net/socket.c:1513
 __fput+0x44f/0xa70 fs/file_table.c:469
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
 exit_to_user_mode_loop+0xed/0x480 kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:238 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:269 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:328 [inline]
 do_syscall_64+0x33e/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f459c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe8e948078 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f30f4817da0 RCX: 00007f30f459c799
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f30f4817da0 R08: 00007f30f4816128 R09: 0000000000000000
R10: 000000000003fd9c R11: 0000000000000246 R12: 00000000000404f5
R13: 00007f30f4815fac R14: 0000000000040258 R15: 00007ffe8e948180
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
!work_pending(work)
WARNING: kernel/workqueue.c:794 at set_work_data kernel/workqueue.c:794 [inline], CPU#0: syz.2.387/7984
WARNING: kernel/workqueue.c:794 at set_work_pool_and_clear_pending kernel/workqueue.c:822 [inline], CPU#0: syz.2.387/7984
WARNING: kernel/workqueue.c:794 at __cancel_work+0x1c1/0x230 kernel/workqueue.c:4428, CPU#0: syz.2.387/7984
Modules linked in:
CPU: 0 UID: 0 PID: 7984 Comm: syz.2.387 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:set_work_data kernel/workqueue.c:794 [inline]
RIP: 0010:set_work_pool_and_clear_pending kernel/workqueue.c:822 [inline]
RIP: 0010:__cancel_work+0x1c1/0x230 kernel/workqueue.c:4428
Code: 02 00 00 75 2d e8 ff d6 37 00 48 85 db 75 32 e8 f5 d6 37 00 eb 31 e8 ee d6 37 00 90 0f 0b 90 e9 c1 fe ff ff e8 e0 d6 37 00 90 <0f> 0b 90 e9 44 ff ff ff e8 d2 d6 37 00 e8 ad 69 2d 0a 48 85 db 74
RSP: 0018:ffffc900057dfbb0 EFLAGS: 00010093
RAX: ffffffff818e8a90 RBX: 001fffffffc00000 RCX: ffff88807c2e3d00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88803293cef7 R09: 1ffff110065279de
R10: dffffc0000000000 R11: ffffed10065279df R12: dffffc0000000000
R13: 1ffff110065279de R14: ffff88803293cef0 R15: 0000000000000040
FS:  000055557b058500(0000) GS:ffff8881251f3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000040 CR3: 0000000033698000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __cancel_work_sync+0x1f/0x110 kernel/workqueue.c:4438
 lec_arp_destroy net/atm/lec.c:1501 [inline]
 lec_atm_close+0x171/0x9e0 net/atm/lec.c:497
 vcc_destroy_socket net/atm/common.c:181 [inline]
 vcc_release+0x10f/0x580 net/atm/common.c:205
 svc_release+0x6c/0xd0 net/atm/svc.c:95
 __sock_release net/socket.c:721 [inline]
 sock_close+0xc3/0x240 net/socket.c:1513
 __fput+0x44f/0xa70 fs/file_table.c:469
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
 exit_to_user_mode_loop+0xed/0x480 kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:238 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:269 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:328 [inline]
 do_syscall_64+0x33e/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f459c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe8e948078 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f30f4817da0 RCX: 00007f30f459c799
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f30f4817da0 R08: 00007f30f4816128 R09: 0000000000000000
R10: 000000000003fd9c R11: 0000000000000246 R12: 00000000000404f5
R13: 00007f30f4815fac R14: 0000000000040258 R15: 00007ffe8e948180
 </TASK>