Extracting prog: 1m4.919892838s
Minimizing prog: 10m40.74646573s
Simplifying prog options: 4m14.467125907s
Extracting C: 1m8.576222393s
Simplifying C: 0s


extracting reproducer from 30 programs
testing a last program of every proc
single: executing 5 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-socket$nl_route-socket$nl_generic-syz_genetlink_get_family_id$mptcp-sendmsg$MPTCP_PM_CMD_GET_ADDR-bpf$PROG_LOAD-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0) (async, rerun: 32)
r1 = socket$nl_route(0x10, 0x3, 0x0) (rerun: 32)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$mptcp(&(0x7f000000e480), 0xffffffffffffffff)
sendmsg$MPTCP_PM_CMD_GET_ADDR(r2, &(0x7f000000e580)={0x0, 0x0, &(0x7f000000e540)={&(0x7f000000e4c0)={0x28, r3, 0xab41e7db71d272b7, 0x70bd26, 0x25dfdbfc, {}, [@MPTCP_PM_ATTR_ADDR={0x14, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @broadcast}, @MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x20040810}, 0x24040000) (async, rerun: 64)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xa, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="050000000000000063118a00000000008510000002000000850000000580000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x70) (async, rerun: 64)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000100)={'veth1\x00', <r4=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000000)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x0, 0x2, {0x0, 0x0, 0x0, r4, {}, {0xffff, 0xffff}, {0x0, 0x8}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x2, 0x2, {0x4000}}}, @TCA_STAB={0x0, 0x8, 0x0, 0x1, [{{0x0, 0x1, {0xfa, 0xf, 0x100, 0x3, 0x1, 0x3, 0xb}}, {0x0, 0x2, [0xa37, 0xfff, 0x8]}}, {{0x0, 0x1, {0xaa, 0x0, 0x7, 0x7, 0x1, 0x1, 0xfffffffe}}, {0x0, 0x2, [0x6, 0x8, 0x9]}}]}]}, 0x38}}, 0x0)

program crashed: possible deadlock in ieee80211_remove_interfaces
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=39.072218137s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-socket$nl_route-socket$nl_generic-syz_genetlink_get_family_id$mptcp-sendmsg$MPTCP_PM_CMD_GET_ADDR-bpf$PROG_LOAD-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0) (async, rerun: 32)
socket$nl_route(0x10, 0x3, 0x0) (rerun: 32)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$mptcp(&(0x7f000000e480), 0xffffffffffffffff)
sendmsg$MPTCP_PM_CMD_GET_ADDR(r1, &(0x7f000000e580)={0x0, 0x0, &(0x7f000000e540)={&(0x7f000000e4c0)={0x28, r2, 0xab41e7db71d272b7, 0x70bd26, 0x25dfdbfc, {}, [@MPTCP_PM_ATTR_ADDR={0x14, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @broadcast}, @MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x20040810}, 0x24040000) (async, rerun: 64)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xa, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="050000000000000063118a00000000008510000002000000850000000580000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x70) (async, rerun: 64)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000100)={'veth1\x00'})

program crashed: possible deadlock in ieee80211_remove_interfaces
testing program (duration=39.072218137s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-socket$nl_route-socket$nl_generic-syz_genetlink_get_family_id$mptcp-sendmsg$MPTCP_PM_CMD_GET_ADDR-bpf$PROG_LOAD
detailed listing:
executing program 0:
socket$unix(0x1, 0x1, 0x0) (async, rerun: 32)
socket$nl_route(0x10, 0x3, 0x0) (rerun: 32)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$mptcp(&(0x7f000000e480), 0xffffffffffffffff)
sendmsg$MPTCP_PM_CMD_GET_ADDR(r0, &(0x7f000000e580)={0x0, 0x0, &(0x7f000000e540)={&(0x7f000000e4c0)={0x28, r1, 0xab41e7db71d272b7, 0x70bd26, 0x25dfdbfc, {}, [@MPTCP_PM_ATTR_ADDR={0x14, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @broadcast}, @MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x20040810}, 0x24040000) (async, rerun: 64)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xa, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="050000000000000063118a00000000008510000002000000850000000580000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x70) (async, rerun: 64)

program crashed: possible deadlock in ieee80211_remove_interfaces
testing program (duration=39.072218137s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-socket$nl_route-socket$nl_generic-syz_genetlink_get_family_id$mptcp-sendmsg$MPTCP_PM_CMD_GET_ADDR
detailed listing:
executing program 0:
socket$unix(0x1, 0x1, 0x0) (async, rerun: 32)
socket$nl_route(0x10, 0x3, 0x0) (rerun: 32)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$mptcp(&(0x7f000000e480), 0xffffffffffffffff)
sendmsg$MPTCP_PM_CMD_GET_ADDR(r0, &(0x7f000000e580)={0x0, 0x0, &(0x7f000000e540)={&(0x7f000000e4c0)={0x28, r1, 0xab41e7db71d272b7, 0x70bd26, 0x25dfdbfc, {}, [@MPTCP_PM_ATTR_ADDR={0x14, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @broadcast}, @MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x20040810}, 0x24040000) (async, rerun: 64)

program crashed: possible deadlock in ieee80211_remove_interfaces
testing program (duration=39.072218137s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-socket$nl_route-socket$nl_generic-syz_genetlink_get_family_id$mptcp
detailed listing:
executing program 0:
socket$unix(0x1, 0x1, 0x0) (async, rerun: 32)
socket$nl_route(0x10, 0x3, 0x0) (rerun: 32)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$mptcp(&(0x7f000000e480), 0xffffffffffffffff)

program crashed: possible deadlock in ieee80211_remove_interfaces
testing program (duration=39.072218137s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-socket$nl_route-socket$nl_generic
detailed listing:
executing program 0:
socket$unix(0x1, 0x1, 0x0) (async, rerun: 32)
socket$nl_route(0x10, 0x3, 0x0) (rerun: 32)
socket$nl_generic(0x10, 0x3, 0x10)

program crashed: possible deadlock in ieee80211_remove_interfaces
testing program (duration=39.072218137s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-socket$nl_route
detailed listing:
executing program 0:
socket$unix(0x1, 0x1, 0x0) (async, rerun: 32)
socket$nl_route(0x10, 0x3, 0x0) (rerun: 32)

program crashed: possible deadlock in ieee80211_remove_interfaces
testing program (duration=39.072218137s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix
detailed listing:
executing program 0:
socket$unix(0x1, 0x1, 0x0) (async, rerun: 32)

program crashed: WARNING in free_netdev
testing program (duration=39.072218137s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix
detailed listing:
executing program 0:
socket$unix(0x1, 0x1, 0x0)

program crashed: possible deadlock in ieee80211_remove_interfaces
extracting C reproducer
testing compiled C program (duration=39.072218137s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix
program did not crash
simplifying guilty program options
testing program (duration=39.072218137s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix
detailed listing:
executing program 0:
socket$unix(0x1, 0x1, 0x0)

program crashed: possible deadlock in ieee80211_remove_interfaces
extracting C reproducer
testing compiled C program (duration=39.072218137s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix
program did not crash
testing program (duration=39.072218137s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix
detailed listing:
executing program 0:
socket$unix(0x1, 0x1, 0x0)

program crashed: WARNING in free_netdev
extracting C reproducer
testing compiled C program (duration=39.072218137s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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}}): socket$unix
program did not crash
reproducing took 16m52.700746598s
repro crashed as (corrupted=false):
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 0 PID: 5919 at kernel/locking/mutex.c:564 __mutex_lock_common kernel/locking/mutex.c:564 [inline]
WARNING: CPU: 0 PID: 5919 at kernel/locking/mutex.c:564 __mutex_lock+0xdac/0xee0 kernel/locking/mutex.c:735
Modules linked in:
CPU: 0 UID: 0 PID: 5919 Comm: syz-executor Not tainted 6.13.0-rc7-syzkaller-01150-g7d2eba0f83a5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:564 [inline]
RIP: 0010:__mutex_lock+0xdac/0xee0 kernel/locking/mutex.c:735
Code: 0f b6 04 38 84 c0 0f 85 1a 01 00 00 83 3d ef 33 4c 04 00 75 19 90 48 c7 c7 60 84 0a 8c 48 c7 c6 00 85 0a 8c e8 f5 cc 91 f5 90 <0f> 0b 90 90 90 e9 c7 f3 ff ff 90 0f 0b 90 e9 29 f8 ff ff 90 0f 0b
RSP: 0018:ffffc9000409f580 EFLAGS: 00010246
RAX: 6411cf9e0abba200 RBX: ffff8880288c0cb0 RCX: ffff888025a68000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000409f710 R08: ffffffff81602ac2 R09: 1ffff110170c519a
R10: dffffc0000000000 R11: ffffed10170c519b R12: 0000000000000000
R13: 0000000000000000 R14: 1ffff92000813ec4 R15: dffffc0000000000
FS:  000055555b348500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055da6ea46a18 CR3: 0000000031bea000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 netdev_lock include/linux/netdevice.h:2691 [inline]
 __netif_napi_del include/linux/netdevice.h:2829 [inline]
 netif_napi_del include/linux/netdevice.h:2848 [inline]
 free_netdev+0x2d9/0x610 net/core/dev.c:11608
 netdev_run_todo+0xf21/0x10d0 net/core/dev.c:11176
 nsim_destroy+0x3c3/0x620 drivers/net/netdevsim/netdev.c:1028
 __nsim_dev_port_del+0x14b/0x1b0 drivers/net/netdevsim/dev.c:1428
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1440 [inline]
 nsim_dev_reload_destroy+0x28a/0x490 drivers/net/netdevsim/dev.c:1661
 nsim_drv_remove+0x58/0x160 drivers/net/netdevsim/dev.c:1676
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1273 [inline]
 device_release_driver_internal+0x4a9/0x7c0 drivers/base/dd.c:1296
 bus_remove_device+0x34f/0x420 drivers/base/bus.c:576
 device_del+0x57a/0x9b0 drivers/base/core.c:3854
 device_unregister+0x20/0xc0 drivers/base/core.c:3895
 nsim_bus_dev_del drivers/net/netdevsim/bus.c:462 [inline]
 del_device_store+0x363/0x480 drivers/net/netdevsim/bus.c:226
 kernfs_fop_write_iter+0x3a0/0x500 fs/kernfs/file.c:334
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faa933847df
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007ffd88420d50 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faa933847df
RDX: 0000000000000001 RSI: 00007ffd88420da0 RDI: 0000000000000005
RBP: 00007faa93402d15 R08: 0000000000000000 R09: 00007ffd88420ba7
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffd88420da0 R14: 00007faa940a4620 R15: 0000000000000003
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 0 PID: 5919 at kernel/locking/mutex.c:564 __mutex_lock_common kernel/locking/mutex.c:564 [inline]
WARNING: CPU: 0 PID: 5919 at kernel/locking/mutex.c:564 __mutex_lock+0xdac/0xee0 kernel/locking/mutex.c:735
Modules linked in:
CPU: 0 UID: 0 PID: 5919 Comm: syz-executor Not tainted 6.13.0-rc7-syzkaller-01150-g7d2eba0f83a5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:564 [inline]
RIP: 0010:__mutex_lock+0xdac/0xee0 kernel/locking/mutex.c:735
Code: 0f b6 04 38 84 c0 0f 85 1a 01 00 00 83 3d ef 33 4c 04 00 75 19 90 48 c7 c7 60 84 0a 8c 48 c7 c6 00 85 0a 8c e8 f5 cc 91 f5 90 <0f> 0b 90 90 90 e9 c7 f3 ff ff 90 0f 0b 90 e9 29 f8 ff ff 90 0f 0b
RSP: 0018:ffffc9000409f580 EFLAGS: 00010246
RAX: 6411cf9e0abba200 RBX: ffff8880288c0cb0 RCX: ffff888025a68000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000409f710 R08: ffffffff81602ac2 R09: 1ffff110170c519a
R10: dffffc0000000000 R11: ffffed10170c519b R12: 0000000000000000
R13: 0000000000000000 R14: 1ffff92000813ec4 R15: dffffc0000000000
FS:  000055555b348500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055da6ea46a18 CR3: 0000000031bea000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 netdev_lock include/linux/netdevice.h:2691 [inline]
 __netif_napi_del include/linux/netdevice.h:2829 [inline]
 netif_napi_del include/linux/netdevice.h:2848 [inline]
 free_netdev+0x2d9/0x610 net/core/dev.c:11608
 netdev_run_todo+0xf21/0x10d0 net/core/dev.c:11176
 nsim_destroy+0x3c3/0x620 drivers/net/netdevsim/netdev.c:1028
 __nsim_dev_port_del+0x14b/0x1b0 drivers/net/netdevsim/dev.c:1428
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1440 [inline]
 nsim_dev_reload_destroy+0x28a/0x490 drivers/net/netdevsim/dev.c:1661
 nsim_drv_remove+0x58/0x160 drivers/net/netdevsim/dev.c:1676
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1273 [inline]
 device_release_driver_internal+0x4a9/0x7c0 drivers/base/dd.c:1296
 bus_remove_device+0x34f/0x420 drivers/base/bus.c:576
 device_del+0x57a/0x9b0 drivers/base/core.c:3854
 device_unregister+0x20/0xc0 drivers/base/core.c:3895
 nsim_bus_dev_del drivers/net/netdevsim/bus.c:462 [inline]
 del_device_store+0x363/0x480 drivers/net/netdevsim/bus.c:226
 kernfs_fop_write_iter+0x3a0/0x500 fs/kernfs/file.c:334
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faa933847df
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007ffd88420d50 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faa933847df
RDX: 0000000000000001 RSI: 00007ffd88420da0 RDI: 0000000000000005
RBP: 00007faa93402d15 R08: 0000000000000000 R09: 00007ffd88420ba7
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffd88420da0 R14: 00007faa940a4620 R15: 0000000000000003
 </TASK>