Extracting prog: 8m1.66911942s
Minimizing prog: 45m9.698179724s
Simplifying prog options: 16m13.86230408s
Extracting C: 5m8.659939668s
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: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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000480)=ANY=[@ANYBLOB="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"], 0x60}}, 0x0)

program did not crash
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: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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000480)=ANY=[@ANYBLOB="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"], 0x60}}, 0x0)

program crashed: KASAN: slab-use-after-free Read in __ethtool_get_link_ksettings
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=7m29.181233902s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma
detailed listing:
executing program 0:
socket$nl_rdma(0x10, 0x3, 0x14)

program did not crash
testing program (duration=7m29.181233902s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
sendmsg$RDMA_NLDEV_CMD_NEWLINK(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000480)=ANY=[@ANYBLOB="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"], 0x60}}, 0x0)

program did not crash
testing program (duration=7m29.181233902s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, 0x0, 0x0)

program did not crash
testing program (duration=7m29.181233902s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=7m29.181233902s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)={0x0, 0x60}}, 0x0)

program did not crash
testing program (duration=7m29.181233902s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000480)=ANY=[@ANYBLOB], 0x60}}, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=7m29.181233902s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK
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=7m29.181233902s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000480)=ANY=[@ANYBLOB="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"], 0x60}}, 0x0)

program crashed: KASAN: slab-use-after-free Read in __ethtool_get_link_ksettings
extracting C reproducer
testing compiled C program (duration=7m29.181233902s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=7m29.181233902s, {Threaded:false 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$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000480)=ANY=[@ANYBLOB="600000000314130000000000000000000900020073797a300000000008004100736977001400330070696d726567000000000000000000000900020073797a32000000000800410072786500140033006970766c616e31000000000000000000d00119953bbcd72355195a364365c4c2d3fc9ef1fd1efbdef9cb6f4380b09bfb1ba2e1ad96485bd348b1cb516fc002664da5942bb8012fb695bdee816e8df353dabc72f18d07a5dfdec52a97a40ed351bf3532c61e9176a8f001d9fa1c101dc6943e8fe6fe875bb2e2d54e2a1fd59026366a003532f31116409737da71670afc7c89b7a9c0981dc21a1b81e16d85af879bdc8e950af31af8f54e6628ee50efcec8eed65fbecca0e44b1d694734fc44792f7ce79717b63d7248dca8a657711435ebfff05156cb17b343906c9d88460011b49bf12ea0d08c4146c43efea3e3667cdbc207eb83f18e17c2f16e29f667ab"], 0x60}}, 0x0)

program did not crash
testing program (duration=7m29.181233902s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000480)=ANY=[@ANYBLOB="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"], 0x60}}, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=7m29.181233902s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000480)=ANY=[@ANYBLOB="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"], 0x60}}, 0x0)

program crashed: KASAN: slab-use-after-free Read in __ethtool_get_link_ksettings
validation run: crashed=true
testing program (duration=7m29.181233902s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000480)=ANY=[@ANYBLOB="600000000314130000000000000000000900020073797a300000000008004100736977001400330070696d726567000000000000000000000900020073797a32000000000800410072786500140033006970766c616e31000000000000000000d00119953bbcd72355195a364365c4c2d3fc9ef1fd1efbdef9cb6f4380b09bfb1ba2e1ad96485bd348b1cb516fc002664da5942bb8012fb695bdee816e8df353dabc72f18d07a5dfdec52a97a40ed351bf3532c61e9176a8f001d9fa1c101dc6943e8fe6fe875bb2e2d54e2a1fd59026366a003532f31116409737da71670afc7c89b7a9c0981dc21a1b81e16d85af879bdc8e950af31af8f54e6628ee50efcec8eed65fbecca0e44b1d694734fc44792f7ce79717b63d7248dca8a657711435ebfff05156cb17b343906c9d88460011b49bf12ea0d08c4146c43efea3e3667cdbc207eb83f18e17c2f16e29f667ab"], 0x60}}, 0x0)

program crashed: KASAN: slab-use-after-free Read in __ethtool_get_link_ksettings
validation run: crashed=true
testing program (duration=7m29.181233902s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000480)=ANY=[@ANYBLOB="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"], 0x60}}, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=7m29.181233902s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000480)=ANY=[@ANYBLOB="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"], 0x60}}, 0x0)

program crashed: KASAN: slab-use-after-free Read in __ethtool_get_link_ksettings
validation run: crashed=true
reproducing took 1h37m3.781105246s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in __ethtool_get_link_ksettings+0x78/0x174 net/ethtool/ioctl.c:443
Read of size 8 at addr ffff0000d9bd82e8 by task kworker/1:4/7228

CPU: 1 UID: 0 PID: 7228 Comm: kworker/1:4 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: events smc_ib_port_event_work
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 print_address_description+0xa8/0x238 mm/kasan/report.c:378
 print_report+0x68/0x84 mm/kasan/report.c:482
 kasan_report+0xb0/0x110 mm/kasan/report.c:595
 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381
 __ethtool_get_link_ksettings+0x78/0x174 net/ethtool/ioctl.c:443
 ipvlan_ethtool_get_link_ksettings+0x48/0x58 drivers/net/ipvlan/ipvlan_main.c:411
 __ethtool_get_link_ksettings+0x130/0x174 net/ethtool/ioctl.c:450
 ib_get_eth_speed+0x148/0x6a4 drivers/infiniband/core/verbs.c:1996
 rxe_query_port+0x98/0x350 drivers/infiniband/sw/rxe/rxe_verbs.c:62
 __ib_query_port drivers/infiniband/core/device.c:2148 [inline]
 ib_query_port+0x150/0x758 drivers/infiniband/core/device.c:2180
 smc_ib_remember_port_attr net/smc/smc_ib.c:364 [inline]
 smc_ib_port_event_work+0x118/0x8e0 net/smc/smc_ib.c:388
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844

Allocated by task 21270:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x40/0x78 mm/kasan/common.c:68
 kasan_save_alloc_info+0x44/0x54 mm/kasan/generic.c:562
 poison_kmalloc_redzone mm/kasan/common.c:388 [inline]
 __kasan_kmalloc+0x9c/0xb4 mm/kasan/common.c:405
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __do_kmalloc_node mm/slub.c:4376 [inline]
 __kvmalloc_node_noprof+0x38c/0x638 mm/slub.c:5067
 alloc_netdev_mqs+0xa8/0xe20 net/core/dev.c:11812
 rtnl_create_link+0x2ac/0xb38 net/core/rtnetlink.c:3633
 rtnl_newlink_create+0x20c/0x9ac net/core/rtnetlink.c:3815
 __rtnl_newlink net/core/rtnetlink.c:3942 [inline]
 rtnl_newlink+0x1194/0x15dc net/core/rtnetlink.c:4057
 rtnetlink_rcv_msg+0x664/0x97c net/core/rtnetlink.c:6946
 netlink_rcv_skb+0x220/0x3fc net/netlink/af_netlink.c:2552
 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6973
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x694/0x8c4 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x648/0x930 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:714 [inline]
 __sock_sendmsg net/socket.c:729 [inline]
 __sys_sendto+0x36c/0x4f4 net/socket.c:2228
 __do_sys_sendto net/socket.c:2235 [inline]
 __se_sys_sendto net/socket.c:2231 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2231
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596

Freed by task 15:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x40/0x78 mm/kasan/common.c:68
 kasan_save_free_info+0x58/0x70 mm/kasan/generic.c:576
 poison_slab_object mm/kasan/common.c:243 [inline]
 __kasan_slab_free+0x74/0x98 mm/kasan/common.c:275
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2422 [inline]
 slab_free mm/slub.c:4695 [inline]
 kfree+0x17c/0x474 mm/slub.c:4894
 kvfree+0x30/0x40 mm/slub.c:5110
 netdev_release+0x88/0xb0 net/core/net-sysfs.c:2250
 device_release+0x8c/0x1ac drivers/base/core.c:-1
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x2b0/0x438 lib/kobject.c:737
 netdev_run_todo+0xb84/0xd24 net/core/dev.c:11513
 rtnl_unlock+0x14/0x20 net/core/rtnetlink.c:157
 default_device_exit_batch+0x83c/0x8b4 net/core/dev.c:12734
 ops_exit_list net/core/net_namespace.c:204 [inline]
 ops_undo_list+0x428/0x7ec net/core/net_namespace.c:251
 cleanup_net+0x3e4/0x6c0 net/core/net_namespace.c:682
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844

The buggy address belongs to the object at ffff0000d9bd8000
 which belongs to the cache kmalloc-cg-4k of size 4096
The buggy address is located 744 bytes inside of
 freed 4096-byte region [ffff0000d9bd8000, ffff0000d9bd9000)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x119bd8
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff0000c9435bc1
flags: 0x5ffc00000000040(head|node=0|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 05ffc00000000040 ffff0000c000b500 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000040004 00000000f5000000 ffff0000c9435bc1
head: 05ffc00000000040 ffff0000c000b500 dead000000000122 0000000000000000
head: 0000000000000000 0000000000040004 00000000f5000000 ffff0000c9435bc1
head: 05ffc00000000003 fffffdffc366f601 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000d9bd8180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000d9bd8200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff0000d9bd8280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                          ^
 ffff0000d9bd8300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000d9bd8380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in __ethtool_get_link_ksettings+0x78/0x174 net/ethtool/ioctl.c:443
Read of size 8 at addr ffff0000d9bd82e8 by task kworker/1:4/7228

CPU: 1 UID: 0 PID: 7228 Comm: kworker/1:4 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: events smc_ib_port_event_work
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 print_address_description+0xa8/0x238 mm/kasan/report.c:378
 print_report+0x68/0x84 mm/kasan/report.c:482
 kasan_report+0xb0/0x110 mm/kasan/report.c:595
 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381
 __ethtool_get_link_ksettings+0x78/0x174 net/ethtool/ioctl.c:443
 ipvlan_ethtool_get_link_ksettings+0x48/0x58 drivers/net/ipvlan/ipvlan_main.c:411
 __ethtool_get_link_ksettings+0x130/0x174 net/ethtool/ioctl.c:450
 ib_get_eth_speed+0x148/0x6a4 drivers/infiniband/core/verbs.c:1996
 rxe_query_port+0x98/0x350 drivers/infiniband/sw/rxe/rxe_verbs.c:62
 __ib_query_port drivers/infiniband/core/device.c:2148 [inline]
 ib_query_port+0x150/0x758 drivers/infiniband/core/device.c:2180
 smc_ib_remember_port_attr net/smc/smc_ib.c:364 [inline]
 smc_ib_port_event_work+0x118/0x8e0 net/smc/smc_ib.c:388
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844

Allocated by task 21270:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x40/0x78 mm/kasan/common.c:68
 kasan_save_alloc_info+0x44/0x54 mm/kasan/generic.c:562
 poison_kmalloc_redzone mm/kasan/common.c:388 [inline]
 __kasan_kmalloc+0x9c/0xb4 mm/kasan/common.c:405
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __do_kmalloc_node mm/slub.c:4376 [inline]
 __kvmalloc_node_noprof+0x38c/0x638 mm/slub.c:5067
 alloc_netdev_mqs+0xa8/0xe20 net/core/dev.c:11812
 rtnl_create_link+0x2ac/0xb38 net/core/rtnetlink.c:3633
 rtnl_newlink_create+0x20c/0x9ac net/core/rtnetlink.c:3815
 __rtnl_newlink net/core/rtnetlink.c:3942 [inline]
 rtnl_newlink+0x1194/0x15dc net/core/rtnetlink.c:4057
 rtnetlink_rcv_msg+0x664/0x97c net/core/rtnetlink.c:6946
 netlink_rcv_skb+0x220/0x3fc net/netlink/af_netlink.c:2552
 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6973
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x694/0x8c4 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x648/0x930 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:714 [inline]
 __sock_sendmsg net/socket.c:729 [inline]
 __sys_sendto+0x36c/0x4f4 net/socket.c:2228
 __do_sys_sendto net/socket.c:2235 [inline]
 __se_sys_sendto net/socket.c:2231 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2231
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596

Freed by task 15:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x40/0x78 mm/kasan/common.c:68
 kasan_save_free_info+0x58/0x70 mm/kasan/generic.c:576
 poison_slab_object mm/kasan/common.c:243 [inline]
 __kasan_slab_free+0x74/0x98 mm/kasan/common.c:275
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2422 [inline]
 slab_free mm/slub.c:4695 [inline]
 kfree+0x17c/0x474 mm/slub.c:4894
 kvfree+0x30/0x40 mm/slub.c:5110
 netdev_release+0x88/0xb0 net/core/net-sysfs.c:2250
 device_release+0x8c/0x1ac drivers/base/core.c:-1
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x2b0/0x438 lib/kobject.c:737
 netdev_run_todo+0xb84/0xd24 net/core/dev.c:11513
 rtnl_unlock+0x14/0x20 net/core/rtnetlink.c:157
 default_device_exit_batch+0x83c/0x8b4 net/core/dev.c:12734
 ops_exit_list net/core/net_namespace.c:204 [inline]
 ops_undo_list+0x428/0x7ec net/core/net_namespace.c:251
 cleanup_net+0x3e4/0x6c0 net/core/net_namespace.c:682
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844

The buggy address belongs to the object at ffff0000d9bd8000
 which belongs to the cache kmalloc-cg-4k of size 4096
The buggy address is located 744 bytes inside of
 freed 4096-byte region [ffff0000d9bd8000, ffff0000d9bd9000)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x119bd8
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff0000c9435bc1
flags: 0x5ffc00000000040(head|node=0|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 05ffc00000000040 ffff0000c000b500 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000040004 00000000f5000000 ffff0000c9435bc1
head: 05ffc00000000040 ffff0000c000b500 dead000000000122 0000000000000000
head: 0000000000000000 0000000000040004 00000000f5000000 ffff0000c9435bc1
head: 05ffc00000000003 fffffdffc366f601 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000d9bd8180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000d9bd8200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff0000d9bd8280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                          ^
 ffff0000d9bd8300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000d9bd8380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================