Extracting prog: 32m15.704126952s Minimizing prog: 2h56m8.021563509s Simplifying prog options: 18m35.544049681s Extracting C: 5m12.927417451s Simplifying C: 0s extracting reproducer from 45 programs testing a last program of every proc single: executing 10 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}}): quotactl$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-epoll_create$auto-get_robust_list$auto-ioctl$auto-mmap$auto-syz_genetlink_get_family_id$auto_802_15_4_mac-socketpair$auto-setsockopt$auto-mmap$auto-prctl$auto-recvmmsg$auto-sendmmsg$auto-sendmmsg$auto-unshare$auto-openat$auto_kvm_chardev_ops_kvm_main-mmap$auto-openat2$dir-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-openat$auto_proc_pid_set_comm_operations_base-mmap$auto-close_range$auto-socket$nl_generic-socket-io_uring_setup$auto-setsockopt$auto detailed listing: executing program 0: quotactl$auto(0x9, 0x0, 0x62a0, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, 0x0, 0x8c0, 0x0) mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x2, 0x8000) epoll_create$auto(0x4) get_robust_list$auto(0x0, 0x0, 0x0) ioctl$auto(0x3, 0xffffffff40088a01, 0x1) mmap$auto(0x0, 0x2000c, 0x20000000000000df, 0xe31, 0x40000000000a5, 0x8000) syz_genetlink_get_family_id$auto_802_15_4_mac(&(0x7f0000000100), 0xffffffffffffffff) socketpair$auto(0x1, 0x2, 0x8000000000000000, 0x0) setsockopt$auto(0x3, 0x1, 0x4c, 0x0, 0x6) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) r0 = prctl$auto(0x3e, 0x1, 0x0, 0x1, 0x0) recvmmsg$auto(0x3, 0x0, 0x10000, 0x700, 0x0) sendmmsg$auto(0x3, 0x0, 0x9a6, 0x7000000) sendmmsg$auto(0x4, 0x0, 0x9a6, 0x6) unshare$auto(0x40000085) openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, 0x0, 0x20000, 0x0) mmap$auto(0x4, 0xfff, 0xdf, 0xeb1, 0xffffffffffffffff, 0x8000) openat2$dir(0xffffffffffffff9c, &(0x7f0000000140)='./file0\x00', 0x0, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/fail-nth\x00', 0x400000, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) openat$auto_proc_pid_set_comm_operations_base(0xffffffffffffff9c, 0x0, 0x10500, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000) close_range$auto(r0, 0x8, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x1, 0x0) io_uring_setup$auto(0x2, 0x0) setsockopt$auto(0x3, 0x1, 0x3e, 0x0, 0x9) 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}}): mmap$auto-sysfs$auto-fsopen$auto-mmap$auto-mmap$auto-socket-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_ipvs-openat$auto_snd_rawmidi_f_ops_rawmidi-prctl$auto-mmap$auto-mmap$auto-io_uring_setup$auto-io_uring_setup$auto-close_range$auto-mmap$auto-mmap$auto-futex_wait$auto-futex_wait$auto-futex_wake$auto-ioctl$auto-ioctl$auto-write$auto-select$auto-select$auto-read$auto_kernfs_file_fops_kernfs_internal-openat$auto_ftrace_set_event_fops_trace_events-write$auto-socketpair$auto-sysfs$auto-rseq$auto-bind$auto-ioctl$auto_FBIOPUT_VSCREENINFO-ioctl$auto_FBIOPUT_VSCREENINFO-connect$auto-connect$auto-openat$auto_snd_rawmidi_f_ops_rawmidi-recvmmsg$auto-shutdown$auto detailed listing: executing program 0: mmap$auto(0x0, 0x8, 0xdf, 0xeb1, 0x0, 0x8000) sysfs$auto(0x2, 0x9, 0x0) fsopen$auto(0x0, 0x1) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) (async) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) socket(0x2, 0x80002, 0x73) (async) socket(0x2, 0x80002, 0x73) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$auto_ipvs(0x0, 0xffffffffffffffff) r0 = openat$auto_snd_rawmidi_f_ops_rawmidi(0xffffffffffffff9c, &(0x7f0000001040)='/dev/snd/midiC2D3\x00', 0x1, 0x0) prctl$auto(0x3e, 0x1, 0x0, 0x1, 0x0) mmap$auto(0x0, 0x20004, 0x1ff, 0xeb1, 0x8000000000000024, 0x8000) (async) mmap$auto(0x0, 0x20004, 0x1ff, 0xeb1, 0x8000000000000024, 0x8000) io_uring_setup$auto(0x3, 0x0) (async) io_uring_setup$auto(0x3, 0x0) close_range$auto(0x2, 0x8, 0x0) mmap$auto(0x0, 0x8, 0x2, 0x9b72, 0x5, 0x0) (async) mmap$auto(0x0, 0x8, 0x2, 0x9b72, 0x5, 0x0) futex_wait$auto(0x0, 0x0, 0x7f, 0x2, 0x0, 0x1) (async) futex_wait$auto(0x0, 0x0, 0x7f, 0x2, 0x0, 0x1) futex_wake$auto(0x0, 0x7, 0xfffffffb, 0x2) ioctl$auto(0x3, 0x894b, 0x38) (async) ioctl$auto(0x3, 0x894b, 0x38) write$auto(r0, &(0x7f0000000400)='/dev/audio1\x00', 0x100000a3d9) select$auto(0x8000e, 0x0, 0x0, &(0x7f00000002c0)={[0x6, 0x4, 0xf, 0x1, 0x958b, 0x2, 0x8, 0x5, 0x3, 0x62, 0x40008000001f, 0x7, 0x6d3e, 0x9, 0x4, 0x10000]}, 0x0) (async) select$auto(0x8000e, 0x0, 0x0, &(0x7f00000002c0)={[0x6, 0x4, 0xf, 0x1, 0x958b, 0x2, 0x8, 0x5, 0x3, 0x62, 0x40008000001f, 0x7, 0x6d3e, 0x9, 0x4, 0x10000]}, 0x0) read$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffffff, &(0x7f0000001c00)=""/4111, 0x100f) r1 = openat$auto_ftrace_set_event_fops_trace_events(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/tracing/set_event\x00', 0x20201, 0x0) write$auto(r1, 0x0, 0x4) socketpair$auto(0x1e, 0x4, 0x8000000000000000, 0x0) sysfs$auto(0x2, 0x16, 0x0) rseq$auto(&(0x7f0000000840)={0xe, 0x401, 0x46b8, 0x6, 0xffffffff, 0x2}, 0x8000, 0x0, 0x6) bind$auto(0x3, &(0x7f0000000100)=@qipcrtr={0x2a, 0x2, 0xfffffffe}, 0x6a) ioctl$auto_FBIOPUT_VSCREENINFO(0xffffffffffffffff, 0x4601, &(0x7f0000000140)="58fcb282bcbc38bfaef257e019406ea6c445cd4f7f7662ac0f8834baa918d5b3cea133243c4f2b9a39e536b67f5a1a2bfdf589da2b1c980e1ce53883444996d1721d7f3ae627c6c604000000000000007910fbc02d899ab93d002d849884a5377ff11be2ed012110f2f520") (async) ioctl$auto_FBIOPUT_VSCREENINFO(0xffffffffffffffff, 0x4601, &(0x7f0000000140)="58fcb282bcbc38bfaef257e019406ea6c445cd4f7f7662ac0f8834baa918d5b3cea133243c4f2b9a39e536b67f5a1a2bfdf589da2b1c980e1ce53883444996d1721d7f3ae627c6c604000000000000007910fbc02d899ab93d002d849884a5377ff11be2ed012110f2f520") connect$auto(0x3, 0x0, 0x54) (async) connect$auto(0x3, 0x0, 0x54) openat$auto_snd_rawmidi_f_ops_rawmidi(0xffffffffffffff9c, 0x0, 0x6880, 0x0) recvmmsg$auto(0x3, 0x0, 0x10000, 0x0, 0x0) shutdown$auto(0x200000003, 0x2) 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}}): openat$auto_ftrace_formats_fops_trace_printk-openat$auto_nsim_dev_trap_fa_cookie_fops_dev-mmap$auto-set_mempolicy$auto-unshare$auto-socket-mmap$auto-openat$nci-openat$auto_snd_rawmidi_f_ops_rawmidi-msgctl$auto_IPC_RMID-ioctl$auto_KVM_HAS_DEVICE_ATTR-prctl$auto-writev$auto-write$auto-openat$auto_tty_fops_tty_io-ioctl$auto-close_range$auto-mmap$auto-madvise$auto-mmap$auto-madvise$auto-socket$nl_generic-openat$auto_tomoyo_operations_securityfs_if-read$auto-write$auto-sendmsg$auto_ETHTOOL_MSG_CHANNELS_GET-mmap$auto-openat$auto_kmsg_fops_printk-fchown$auto-mmap$auto detailed listing: executing program 0: r0 = openat$auto_ftrace_formats_fops_trace_printk(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/tracing/printk_formats\x00', 0x7ab940, 0x0) openat$auto_nsim_dev_trap_fa_cookie_fops_dev(0xffffffffffffff9c, &(0x7f0000000c40)='/sys/kernel/debug/netdevsim/netdevsim3/trap_flow_action_cookie\x00', 0x2002, 0x0) mmap$auto(0xf1, 0x400008, 0xdf, 0x15, 0x2, 0x2) set_mempolicy$auto(0x6, &(0x7f0000000080)=0x3, 0x21) unshare$auto(0x40000080) socket(0x28, 0x5, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) openat$nci(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) r1 = openat$auto_snd_rawmidi_f_ops_rawmidi(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snd/midiC2D0\x00', 0x1, 0x0) msgctl$auto_IPC_RMID(0x4, 0x0, 0x0) ioctl$auto_KVM_HAS_DEVICE_ATTR(0xffffffffffffffff, 0x4018aee3, &(0x7f00000002c0)={0x8, 0x0, 0x0, 0x33}) prctl$auto(0x3e, 0x6, 0x0, 0x9, 0x0) writev$auto(r0, &(0x7f0000000180)={0x0, 0xfffffffffffffff9}, 0x401) write$auto(r1, &(0x7f00000000c0)='/Eev/audio1\x00VI\xa3\xaa\xb1;\x9dJ\xc6\xc0\'\xdbV\xd4\xee\xc2\xdd\xa7\xee$\x8d\xc4\xe9d\x03\rF\xec\xb8\xb1Z|\xffGP\x97)\xcf\a\xfb\\n\x89C:\x84D\x1du\xb4\x9ab\xce\xa7tU\x14w\xb4\x14\x1dU\x9d\x8b\xa4U\x953.O\xab\"4\x8a\xbbY8@Z5`\xa4m\xffb\x17\xbb\x7f\xea4*\xa4\xf4\xb4\x90\xc0\xbf\xd4m\xbf\xc7\x15\xbe\x01\x98\xd7lD\x97)}\xfaK\xdf>f\xb8&\x959-\n\xccWw\xe2\x9cK\fE\a\xca\xd36\xe8\xcb?(\xfaI\xe2\xae,\x95k8\x83\xcf\xc5D\xcc', 0x100000a3d9) r2 = openat$auto_tty_fops_tty_io(0xffffffffffffff9c, 0x0, 0x109401, 0x0) ioctl$auto(r2, 0x540a, 0x0) close_range$auto(0x2, 0x8, 0x0) mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x2, 0x8000) madvise$auto(0x0, 0x2003f0, 0x15) mmap$auto(0x0, 0x2a, 0xdf, 0x9b72, 0x1000, 0x28000) madvise$auto(0x2, 0x5c61fa2c, 0xf) socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$auto_tomoyo_operations_securityfs_if(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/security/tomoyo/domain_policy\x00', 0x40802, 0x0) read$auto(r3, 0x0, 0xb4d3) write$auto(0x3, 0x0, 0xffd8) sendmsg$auto_ETHTOOL_MSG_CHANNELS_GET(0xffffffffffffffff, 0x0, 0x24000044) mmap$auto(0x0, 0x20004, 0x1ff, 0xeb1, 0x8000000000000024, 0x8000) openat$auto_kmsg_fops_printk(0xffffffffffffff9c, 0x0, 0x40001, 0x0) fchown$auto(r0, 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$auto-mmap$auto-socket-openat$auto_cec_devnode_fops_cec_priv-socket-socket-socket$nl_generic-socket$nl_generic-memfd_create$auto-set_mempolicy$auto-unshare$auto-socket$nl_generic-close_range$auto-sysfs$auto-fsopen$auto-socket-socket-setsockopt$auto-bind$auto-set_mempolicy$auto-openat$auto_kernfs_file_fops_kernfs_internal-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-sendfile$auto-bpf$auto_BPF_MAP_LOOKUP_AND_DELETE_ELEM-syz_genetlink_get_family_id$auto_ipvs-sendmsg$auto_IPVS_CMD_FLUSH-sendmsg$auto_IPVS_CMD_NEW_DAEMON-socket-mmap$auto detailed listing: executing program 0: prctl$auto(0x3e, 0x1, 0x0, 0x1, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xffffffffffffffff, 0x8000) (async, rerun: 64) socket(0x10, 0x2, 0x14) (rerun: 64) openat$auto_cec_devnode_fops_cec_priv(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cec2\x00', 0x40, 0x0) socket(0x23, 0x2, 0x0) (async) socket(0xa, 0x2, 0x73) socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) memfd_create$auto(0x0, 0x6) set_mempolicy$auto(0x6, &(0x7f0000000080)=0x3, 0x21) (async, rerun: 32) unshare$auto(0x40000080) (rerun: 32) r0 = socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) close_range$auto(0x0, 0xfffffffffffff000, 0x2) (rerun: 64) sysfs$auto(0x2, 0xfff, 0x0) r1 = fsopen$auto(0x0, 0x1) (async) socket(0x2, 0x5, 0x0) (async, rerun: 64) r2 = socket(0x10, 0x2, 0x0) (rerun: 64) setsockopt$auto(r2, 0x104000000000010e, 0x1, 0x0, 0x16) (async) bind$auto(0x3, &(0x7f0000000000)=@nl=@kern={0x10, 0x0, 0x24}, 0x68) (async) set_mempolicy$auto(0xffffffff, &(0x7f00000000c0)=0xfff, 0x6e1) (async, rerun: 32) r3 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000040)='/sys/devices/system/memory/memory15/online\x00', 0xa001, 0x0) (rerun: 32) write$auto(r3, &(0x7f0000000140)='0[.[\x00', 0xcd04) r4 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/mm/lru_gen/enabled\x00', 0xb02, 0x0) sendfile$auto(r4, r4, 0x0, 0x1) (async) bpf$auto_BPF_MAP_LOOKUP_AND_DELETE_ELEM(0x15, &(0x7f0000000200)=@info={r1, 0x8, 0x80f}, 0xffffffff) syz_genetlink_get_family_id$auto_ipvs(0x0, 0xffffffffffffffff) sendmsg$auto_IPVS_CMD_FLUSH(r0, 0x0, 0x4000000) (async) sendmsg$auto_IPVS_CMD_NEW_DAEMON(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={0x0}}, 0x4000000) socket(0x10, 0x2, 0x14) (async) mmap$auto(0x0, 0xe983, 0xdf, 0xeb1, 0x401, 0x8000) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-ioctl$auto-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-socket-sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_smc_pnetid-sendmsg$auto_SMC_PNETID_DEL-mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto-syz_genetlink_get_family_id$auto_l2tp-sendmsg$auto_L2TP_CMD_NOOP-openat$auto_uprobe_events_ops_trace_uprobe-sendmmsg$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) ioctl$auto(r0, 0x80000541b, 0x38) statmount$auto(0x0, &(0x7f0000000180)={0xa, 0x1, 0x401bf, 0x7352, 0x43, 0x8000000000000000, 0x1ffde, 0x7, 0x3, 0x2, 0x9, 0x3, 0x5, 0x1, 0x3000, 0xb, 0x6, 0x10003, 0x83, 0x4, 0x0, 0x7, 0x1ffc, 0x203, 0x400, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x1, 0x0, 0x8000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1]}, 0x1fe, 0xd) sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="10002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) r1 = socket(0x10, 0x2, 0x0) sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$auto_smc_pnetid(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$auto_SMC_PNETID_DEL(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@SMC_PNETID_NAME={0x5, 0x1, '\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x8000) mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0xffffffffffffffff, 0x8000) r4 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r4, 0x0, 0x2) r5 = syz_genetlink_get_family_id$auto_l2tp(&(0x7f0000000080), r1) sendmsg$auto_L2TP_CMD_NOOP(r1, &(0x7f0000000380)={&(0x7f0000000040), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r5, 0x400, 0x70bd27, 0x25dfdbff, {}, [@L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x5}, @L2TP_ATTR_UDP_DPORT={0x6, 0x1b, 0x4e22}, @L2TP_ATTR_OFFSET={0x6}, @L2TP_ATTR_CONN_ID={0x8, 0x9, 0xffffffba}, @L2TP_ATTR_COOKIE={0xc, 0xf, 0x86f}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @mcast1}, @L2TP_ATTR_PEER_CONN_ID={0x8}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8000}, 0x810) openat$auto_uprobe_events_ops_trace_uprobe(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/tracing/uprobe_events\x00', 0x200, 0x0) sendmmsg$auto(r1, &(0x7f0000000200)={{0x0, 0x0, &(0x7f0000000000)={0x0, 0xfc2}, 0x2, 0x0, 0x7, 0xa505}, 0x800}, 0x7, 0x4008) program crashed: INFO: task hung in remove_one single: successfully extracted reproducer found reproducer with 29 syscalls minimizing guilty program testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-ioctl$auto-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-socket-sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_smc_pnetid-sendmsg$auto_SMC_PNETID_DEL-mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto-syz_genetlink_get_family_id$auto_l2tp-sendmsg$auto_L2TP_CMD_NOOP-openat$auto_uprobe_events_ops_trace_uprobe detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) ioctl$auto(r0, 0x80000541b, 0x38) statmount$auto(0x0, &(0x7f0000000180)={0xa, 0x1, 0x401bf, 0x7352, 0x43, 0x8000000000000000, 0x1ffde, 0x7, 0x3, 0x2, 0x9, 0x3, 0x5, 0x1, 0x3000, 0xb, 0x6, 0x10003, 0x83, 0x4, 0x0, 0x7, 0x1ffc, 0x203, 0x400, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x1, 0x0, 0x8000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1]}, 0x1fe, 0xd) sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="10002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) r1 = socket(0x10, 0x2, 0x0) sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$auto_smc_pnetid(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$auto_SMC_PNETID_DEL(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@SMC_PNETID_NAME={0x5, 0x1, '\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x8000) mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0xffffffffffffffff, 0x8000) r4 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r4, 0x0, 0x2) r5 = syz_genetlink_get_family_id$auto_l2tp(&(0x7f0000000080), r1) sendmsg$auto_L2TP_CMD_NOOP(r1, &(0x7f0000000380)={&(0x7f0000000040), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r5, 0x400, 0x70bd27, 0x25dfdbff, {}, [@L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x5}, @L2TP_ATTR_UDP_DPORT={0x6, 0x1b, 0x4e22}, @L2TP_ATTR_OFFSET={0x6}, @L2TP_ATTR_CONN_ID={0x8, 0x9, 0xffffffba}, @L2TP_ATTR_COOKIE={0xc, 0xf, 0x86f}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @mcast1}, @L2TP_ATTR_PEER_CONN_ID={0x8}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8000}, 0x810) openat$auto_uprobe_events_ops_trace_uprobe(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/tracing/uprobe_events\x00', 0x200, 0x0) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-ioctl$auto-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-socket-sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_smc_pnetid-sendmsg$auto_SMC_PNETID_DEL-mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto-syz_genetlink_get_family_id$auto_l2tp-sendmsg$auto_L2TP_CMD_NOOP detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) ioctl$auto(r0, 0x80000541b, 0x38) statmount$auto(0x0, &(0x7f0000000180)={0xa, 0x1, 0x401bf, 0x7352, 0x43, 0x8000000000000000, 0x1ffde, 0x7, 0x3, 0x2, 0x9, 0x3, 0x5, 0x1, 0x3000, 0xb, 0x6, 0x10003, 0x83, 0x4, 0x0, 0x7, 0x1ffc, 0x203, 0x400, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x1, 0x0, 0x8000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1]}, 0x1fe, 0xd) sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="10002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) r1 = socket(0x10, 0x2, 0x0) sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$auto_smc_pnetid(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$auto_SMC_PNETID_DEL(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@SMC_PNETID_NAME={0x5, 0x1, '\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x8000) mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0xffffffffffffffff, 0x8000) r4 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r4, 0x0, 0x2) r5 = syz_genetlink_get_family_id$auto_l2tp(&(0x7f0000000080), r1) sendmsg$auto_L2TP_CMD_NOOP(r1, &(0x7f0000000380)={&(0x7f0000000040), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r5, 0x400, 0x70bd27, 0x25dfdbff, {}, [@L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x5}, @L2TP_ATTR_UDP_DPORT={0x6, 0x1b, 0x4e22}, @L2TP_ATTR_OFFSET={0x6}, @L2TP_ATTR_CONN_ID={0x8, 0x9, 0xffffffba}, @L2TP_ATTR_COOKIE={0xc, 0xf, 0x86f}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @mcast1}, @L2TP_ATTR_PEER_CONN_ID={0x8}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8000}, 0x810) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-ioctl$auto-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-socket-sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_smc_pnetid-sendmsg$auto_SMC_PNETID_DEL-mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto-syz_genetlink_get_family_id$auto_l2tp detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) ioctl$auto(r0, 0x80000541b, 0x38) statmount$auto(0x0, &(0x7f0000000180)={0xa, 0x1, 0x401bf, 0x7352, 0x43, 0x8000000000000000, 0x1ffde, 0x7, 0x3, 0x2, 0x9, 0x3, 0x5, 0x1, 0x3000, 0xb, 0x6, 0x10003, 0x83, 0x4, 0x0, 0x7, 0x1ffc, 0x203, 0x400, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x1, 0x0, 0x8000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1]}, 0x1fe, 0xd) sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="10002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) r1 = socket(0x10, 0x2, 0x0) sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$auto_smc_pnetid(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$auto_SMC_PNETID_DEL(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@SMC_PNETID_NAME={0x5, 0x1, '\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x8000) mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0xffffffffffffffff, 0x8000) r4 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r4, 0x0, 0x2) syz_genetlink_get_family_id$auto_l2tp(&(0x7f0000000080), r1) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-ioctl$auto-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-socket-sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_smc_pnetid-sendmsg$auto_SMC_PNETID_DEL-mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) ioctl$auto(r0, 0x80000541b, 0x38) statmount$auto(0x0, &(0x7f0000000180)={0xa, 0x1, 0x401bf, 0x7352, 0x43, 0x8000000000000000, 0x1ffde, 0x7, 0x3, 0x2, 0x9, 0x3, 0x5, 0x1, 0x3000, 0xb, 0x6, 0x10003, 0x83, 0x4, 0x0, 0x7, 0x1ffc, 0x203, 0x400, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x1, 0x0, 0x8000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1]}, 0x1fe, 0xd) sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="10002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) socket(0x10, 0x2, 0x0) sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$auto_smc_pnetid(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$auto_SMC_PNETID_DEL(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@SMC_PNETID_NAME={0x5, 0x1, '\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x8000) mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0xffffffffffffffff, 0x8000) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r3, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-ioctl$auto-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-socket-sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_smc_pnetid-sendmsg$auto_SMC_PNETID_DEL-mmap$auto-openat$auto_nsim_dev_health_break_fops_health detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) ioctl$auto(r0, 0x80000541b, 0x38) statmount$auto(0x0, &(0x7f0000000180)={0xa, 0x1, 0x401bf, 0x7352, 0x43, 0x8000000000000000, 0x1ffde, 0x7, 0x3, 0x2, 0x9, 0x3, 0x5, 0x1, 0x3000, 0xb, 0x6, 0x10003, 0x83, 0x4, 0x0, 0x7, 0x1ffc, 0x203, 0x400, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x1, 0x0, 0x8000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1]}, 0x1fe, 0xd) sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="10002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) socket(0x10, 0x2, 0x0) sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$auto_smc_pnetid(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$auto_SMC_PNETID_DEL(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@SMC_PNETID_NAME={0x5, 0x1, '\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x8000) mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0xffffffffffffffff, 0x8000) openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) program did not crash testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-ioctl$auto-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-socket-sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_smc_pnetid-sendmsg$auto_SMC_PNETID_DEL-mmap$auto-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) ioctl$auto(r0, 0x80000541b, 0x38) statmount$auto(0x0, &(0x7f0000000180)={0xa, 0x1, 0x401bf, 0x7352, 0x43, 0x8000000000000000, 0x1ffde, 0x7, 0x3, 0x2, 0x9, 0x3, 0x5, 0x1, 0x3000, 0xb, 0x6, 0x10003, 0x83, 0x4, 0x0, 0x7, 0x1ffc, 0x203, 0x400, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x1, 0x0, 0x8000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1]}, 0x1fe, 0xd) sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="10002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) socket(0x10, 0x2, 0x0) sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$auto_smc_pnetid(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$auto_SMC_PNETID_DEL(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@SMC_PNETID_NAME={0x5, 0x1, '\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x8000) mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0xffffffffffffffff, 0x8000) write$auto(0xffffffffffffffff, 0x0, 0x2) program did not crash testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-ioctl$auto-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-socket-sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_smc_pnetid-sendmsg$auto_SMC_PNETID_DEL-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) ioctl$auto(r0, 0x80000541b, 0x38) statmount$auto(0x0, &(0x7f0000000180)={0xa, 0x1, 0x401bf, 0x7352, 0x43, 0x8000000000000000, 0x1ffde, 0x7, 0x3, 0x2, 0x9, 0x3, 0x5, 0x1, 0x3000, 0xb, 0x6, 0x10003, 0x83, 0x4, 0x0, 0x7, 0x1ffc, 0x203, 0x400, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x1, 0x0, 0x8000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1]}, 0x1fe, 0xd) sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="10002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) socket(0x10, 0x2, 0x0) sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$auto_smc_pnetid(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$auto_SMC_PNETID_DEL(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@SMC_PNETID_NAME={0x5, 0x1, '\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x8000) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r3, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-ioctl$auto-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-socket-sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-syz_genetlink_get_family_id$auto_smc_pnetid-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) ioctl$auto(r0, 0x80000541b, 0x38) statmount$auto(0x0, &(0x7f0000000180)={0xa, 0x1, 0x401bf, 0x7352, 0x43, 0x8000000000000000, 0x1ffde, 0x7, 0x3, 0x2, 0x9, 0x3, 0x5, 0x1, 0x3000, 0xb, 0x6, 0x10003, 0x83, 0x4, 0x0, 0x7, 0x1ffc, 0x203, 0x400, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x1, 0x0, 0x8000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1]}, 0x1fe, 0xd) sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="10002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) socket(0x10, 0x2, 0x0) sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$auto_smc_pnetid(&(0x7f0000000100), 0xffffffffffffffff) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r1, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-ioctl$auto-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-socket-sendmsg$auto_NL80211_CMD_GET_REG-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) ioctl$auto(r0, 0x80000541b, 0x38) statmount$auto(0x0, &(0x7f0000000180)={0xa, 0x1, 0x401bf, 0x7352, 0x43, 0x8000000000000000, 0x1ffde, 0x7, 0x3, 0x2, 0x9, 0x3, 0x5, 0x1, 0x3000, 0xb, 0x6, 0x10003, 0x83, 0x4, 0x0, 0x7, 0x1ffc, 0x203, 0x400, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x1, 0x0, 0x8000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1]}, 0x1fe, 0xd) sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="10002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) socket(0x10, 0x2, 0x0) sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000) socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r1, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-ioctl$auto-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-socket-sendmsg$auto_NL80211_CMD_GET_REG-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) ioctl$auto(r0, 0x80000541b, 0x38) statmount$auto(0x0, &(0x7f0000000180)={0xa, 0x1, 0x401bf, 0x7352, 0x43, 0x8000000000000000, 0x1ffde, 0x7, 0x3, 0x2, 0x9, 0x3, 0x5, 0x1, 0x3000, 0xb, 0x6, 0x10003, 0x83, 0x4, 0x0, 0x7, 0x1ffc, 0x203, 0x400, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x1, 0x0, 0x8000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1]}, 0x1fe, 0xd) sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="10002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) socket(0x10, 0x2, 0x0) sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r1, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-ioctl$auto-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-socket-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) ioctl$auto(r0, 0x80000541b, 0x38) statmount$auto(0x0, &(0x7f0000000180)={0xa, 0x1, 0x401bf, 0x7352, 0x43, 0x8000000000000000, 0x1ffde, 0x7, 0x3, 0x2, 0x9, 0x3, 0x5, 0x1, 0x3000, 0xb, 0x6, 0x10003, 0x83, 0x4, 0x0, 0x7, 0x1ffc, 0x203, 0x400, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x1, 0x0, 0x8000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1]}, 0x1fe, 0xd) sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="10002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) socket(0x10, 0x2, 0x0) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r1, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-ioctl$auto-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) ioctl$auto(r0, 0x80000541b, 0x38) statmount$auto(0x0, &(0x7f0000000180)={0xa, 0x1, 0x401bf, 0x7352, 0x43, 0x8000000000000000, 0x1ffde, 0x7, 0x3, 0x2, 0x9, 0x3, 0x5, 0x1, 0x3000, 0xb, 0x6, 0x10003, 0x83, 0x4, 0x0, 0x7, 0x1ffc, 0x203, 0x400, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x1, 0x0, 0x8000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1]}, 0x1fe, 0xd) sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="10002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r1, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-ioctl$auto-statmount$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) ioctl$auto(r0, 0x80000541b, 0x38) statmount$auto(0x0, &(0x7f0000000180)={0xa, 0x1, 0x401bf, 0x7352, 0x43, 0x8000000000000000, 0x1ffde, 0x7, 0x3, 0x2, 0x9, 0x3, 0x5, 0x1, 0x3000, 0xb, 0x6, 0x10003, 0x83, 0x4, 0x0, 0x7, 0x1ffc, 0x203, 0x400, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x400000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x1, 0x0, 0x8000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1]}, 0x1fe, 0xd) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r1, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-ioctl$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) ioctl$auto(r0, 0x80000541b, 0x38) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r1, 0x0, 0x2) program crashed: INFO: task hung in devlink_health_report testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-inotify_init1$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) inotify_init1$auto(0x3000000000000) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in devlink_health_report testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in devlink_health_report testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket(0x10, 0x2, 0x4) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-mmap$auto-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-close_range$auto-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) close_range$auto(0x0, 0xfffffffffffff000, 0x4000000000002) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-timerfd_create$auto-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) timerfd_create$auto(0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x1, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program did not crash testing program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, 0x0, 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program did not crash extracting C reproducer testing compiled C program (duration=8m42.382698765s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=8m42.382698765s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in remove_one extracting C reproducer testing compiled C program (duration=8m42.382698765s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=8m42.382698765s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program did not crash testing program (duration=8m42.382698765s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in remove_one validation run: crashed=true testing program (duration=8m42.382698765s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in remove_one validation run: crashed=true testing program (duration=8m42.382698765s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x8081, 0x0) write$auto(r0, 0x0, 0x2) program crashed: INFO: task hung in remove_one validation run: crashed=true reproducing took 4h6m26.795168931s repro crashed as (corrupted=false): INFO: task kworker/u8:5:1008 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:5 state:D stack:25512 pid:1008 tgid:1008 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6929 __schedule_loop kernel/sched/core.c:7011 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7026 schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:100 [inline] __wait_for_common+0x2f9/0x4e0 kernel/sched/completion.c:121 __debugfs_file_removed fs/debugfs/inode.c:770 [inline] remove_one+0x312/0x420 fs/debugfs/inode.c:777 __simple_recursive_removal+0x158/0x610 fs/libfs.c:631 debugfs_remove+0x5d/0x80 fs/debugfs/inode.c:800 nsim_dev_health_exit+0x3b/0xe0 drivers/net/netdevsim/health.c:227 nsim_dev_reload_destroy+0x144/0x4d0 drivers/net/netdevsim/dev.c:1710 nsim_dev_reload_down+0x6e/0xd0 drivers/net/netdevsim/dev.c:983 devlink_reload+0x19e/0x7c0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1a0/0x2b0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0xab0 net/core/net_namespace.c:234 cleanup_net+0x41b/0x8b0 net/core/net_namespace.c:695 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427 kthread+0x3c2/0x780 kernel/kthread.c:463 ret_from_fork+0x56d/0x730 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 INFO: task syz-executor:9184 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:23944 pid:9184 tgid:9184 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6929 __schedule_loop kernel/sched/core.c:7011 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7026 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7083 __mutex_lock_common kernel/locking/mutex.c:676 [inline] __mutex_lock+0x818/0x1060 kernel/locking/mutex.c:760 device_lock include/linux/device.h:914 [inline] device_del+0xa0/0x9f0 drivers/base/core.c:3840 device_unregister+0x1d/0xc0 drivers/base/core.c:3919 nsim_bus_dev_del drivers/net/netdevsim/bus.c:483 [inline] del_device_store+0x355/0x4a0 drivers/net/netdevsim/bus.c:244 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172 sysfs_kf_write+0xef/0x150 fs/sysfs/file.c:142 kernfs_fop_write_iter+0x3ac/0x570 fs/kernfs/file.c:352 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x7d0/0x11d0 fs/read_write.c:686 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3863b8d97f RSP: 002b:00007ffc41e2fdd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3863b8d97f RDX: 0000000000000001 RSI: 00007ffc41e2fe20 RDI: 0000000000000005 RBP: 00007f3863c13239 R08: 0000000000000000 R09: 00007ffc41e2fc27 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffc41e2fe20 R14: 00007f3864914620 R15: 0000000000000003 INFO: task syz.1.3065:9197 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.3065 state:D stack:27336 pid:9197 tgid:9197 ppid:8441 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6929 __schedule_loop kernel/sched/core.c:7011 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7026 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7083 __mutex_lock_common kernel/locking/mutex.c:676 [inline] __mutex_lock+0x818/0x1060 kernel/locking/mutex.c:760 devlink_health_report+0x3ba/0x9c0 net/devlink/health.c:627 nsim_dev_health_break_write+0x166/0x210 drivers/net/netdevsim/health.c:162 full_proxy_write+0x131/0x1a0 fs/debugfs/file.c:388 vfs_write+0x29d/0x11d0 fs/read_write.c:684 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3a2978eec9 RSP: 002b:00007ffea70106b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3a299e5fa0 RCX: 00007f3a2978eec9 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f3a29811f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3a299e5fa0 R14: 00007f3a299e5fa0 R15: 0000000000000003 INFO: task syz.3.3101:9233 blocked for more than 144 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.3101 state:D stack:28208 pid:9233 tgid:9233 ppid:5964 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6929 __schedule_loop kernel/sched/core.c:7011 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7026 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7083 rwsem_down_read_slowpath+0x64b/0xbf0 kernel/locking/rwsem.c:1086 __down_read_common kernel/locking/rwsem.c:1261 [inline] __down_read kernel/locking/rwsem.c:1274 [inline] down_read+0xef/0x480 kernel/locking/rwsem.c:1539 inode_lock_shared include/linux/fs.h:994 [inline] open_last_lookups fs/namei.c:3894 [inline] path_openat+0x818/0x2cb0 fs/namei.c:4131 do_filp_open+0x20b/0x470 fs/namei.c:4161 do_sys_openat2+0x11b/0x1d0 fs/open.c:1435 do_sys_open fs/open.c:1450 [inline] __do_sys_openat fs/open.c:1466 [inline] __se_sys_openat fs/open.c:1461 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1461 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fce3998eec9 RSP: 002b:00007ffeed237b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fce39be5fa0 RCX: 00007fce3998eec9 RDX: 0000000000008081 RSI: 0000200000000000 RDI: ffffffffffffff9c RBP: 00007fce39a11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fce39be5fa0 R14: 00007fce39be5fa0 R15: 0000000000000004 INFO: task syz.0.3102:9235 blocked for more than 144 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.3102 state:D stack:28216 pid:9235 tgid:9235 ppid:5953 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6929 __schedule_loop kernel/sched/core.c:7011 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7026 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7083 rwsem_down_read_slowpath+0x64b/0xbf0 kernel/locking/rwsem.c:1086 __down_read_common kernel/locking/rwsem.c:1261 [inline] __down_read kernel/locking/rwsem.c:1274 [inline] down_read+0xef/0x480 kernel/locking/rwsem.c:1539 inode_lock_shared include/linux/fs.h:994 [inline] open_last_lookups fs/namei.c:3894 [inline] path_openat+0x818/0x2cb0 fs/namei.c:4131 do_filp_open+0x20b/0x470 fs/namei.c:4161 do_sys_openat2+0x11b/0x1d0 fs/open.c:1435 do_sys_open fs/open.c:1450 [inline] __do_sys_openat fs/open.c:1466 [inline] __se_sys_openat fs/open.c:1461 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1461 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdb2af8eec9 RSP: 002b:00007ffccda09d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fdb2b1e5fa0 RCX: 00007fdb2af8eec9 RDX: 0000000000008081 RSI: 0000200000000000 RDI: ffffffffffffff9c RBP: 00007fdb2b011f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdb2b1e5fa0 R14: 00007fdb2b1e5fa0 R15: 0000000000000004 Showing all locks held in the system: 1 lock held by khungtaskd/31: #0: ffffffff8e1c3320 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8e1c3320 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8e1c3320 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6775 3 locks held by kworker/u8:2/36: #0: ffff8880b873a458 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:638 #1: ffff8880b8724088 (psi_seq){-.-.}-{0:0}, at: psi_sched_switch kernel/sched/stats.h:220 [inline] #1: ffff8880b8724088 (psi_seq){-.-.}-{0:0}, at: __schedule+0x1861/0x5de0 kernel/sched/core.c:6923 #2: ffff8880b8725b18 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x127/0x1d0 kernel/time/timer.c:1004 6 locks held by kworker/u8:5/1008: #0: ffff88801bef6948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3238 #1: ffffc90003bcfd10 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3239 #2: ffffffff8feb5310 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xad/0x8b0 net/core/net_namespace.c:669 #3: ffff888032cf90e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:914 [inline] #3: ffff888032cf90e8 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline] #3: ffff888032cf90e8 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x12c/0x2b0 net/devlink/core.c:506 #4: ffff888032cfa250 (&devlink->lock_key#5){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:276 [inline] #4: ffff888032cfa250 (&devlink->lock_key#5){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline] #4: ffff888032cfa250 (&devlink->lock_key#5){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x136/0x2b0 net/devlink/core.c:506 #5: ffff88805bacd568 (&sb->s_type->i_mutex_key#3/2){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1024 [inline] #5: ffff88805bacd568 (&sb->s_type->i_mutex_key#3/2){+.+.}-{4:4}, at: __simple_recursive_removal+0x354/0x610 fs/libfs.c:627 2 locks held by kworker/u8:6/1144: 1 lock held by klogd/5199: #0: ffff8880b873a458 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:638 2 locks held by getty/5600: #0: ffff8880314760a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc9000332e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 drivers/tty/n_tty.c:2222 5 locks held by syz-executor/9184: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888061e18888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 #4: ffff888032cf90e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:914 [inline] #4: ffff888032cf90e8 (&dev->mutex){....}-{4:4}, at: device_del+0xa0/0x9f0 drivers/base/core.c:3840 2 locks held by syz.1.3065/9197: #0: ffff88801fab0428 (sb_writers#8){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888032cfa250 (&devlink->lock_key#5){+.+.}-{4:4}, at: devlink_health_report+0x3ba/0x9c0 net/devlink/health.c:627 2 locks held by syz.3.3101/9233: #0: ffff88801fab0428 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3884 [inline] #0: ffff88801fab0428 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x1ec8/0x2cb0 fs/namei.c:4131 #1: ffff88805bacd568 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:994 [inline] #1: ffff88805bacd568 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3894 [inline] #1: ffff88805bacd568 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: path_openat+0x818/0x2cb0 fs/namei.c:4131 2 locks held by syz.0.3102/9235: #0: ffff88801fab0428 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3884 [inline] #0: ffff88801fab0428 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x1ec8/0x2cb0 fs/namei.c:4131 #1: ffff88805bacd568 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:994 [inline] #1: ffff88805bacd568 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3894 [inline] #1: ffff88805bacd568 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: path_openat+0x818/0x2cb0 fs/namei.c:4131 4 locks held by syz-executor/9269: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88807a732c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9281: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888044959c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9283: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888060716c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9306: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888027aab888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9316: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888075cb5488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9327: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88814c5e6488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9328: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888033abec88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9352: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888074794888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9364: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888034177c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9376: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88805cde8488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9378: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888031fd9888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:328 [inline] watchdog+0xf0e/0x1260 kernel/hung_task.c:491 kthread+0x3c2/0x780 kernel/kthread.c:463 ret_from_fork+0x56d/0x730 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82 Code: 89 5e 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 43 b7 1c 00 fb f4 bc 09 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 RSP: 0018:ffffc90000197df8 EFLAGS: 000002c6 RAX: 0000000000119ea9 RBX: 0000000000000001 RCX: ffffffff8b4d4f19 RDX: 0000000000000000 RSI: ffffffff8d9b4b00 RDI: ffffffff8bd00dc0 RBP: ffffed1003b56b58 R08: 0000000000000001 R09: ffffed10170e6655 R10: ffff8880b87332ab R11: 0000000000000000 R12: 0000000000000001 R13: ffff88801dab5ac0 R14: ffffffff905fae90 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888124f79000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055605956f5d0 CR3: 000000000df82000 CR4: 00000000003526f0 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline] default_idle+0x13/0x20 arch/x86/kernel/process.c:757 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122 cpuidle_idle_call kernel/sched/idle.c:190 [inline] do_idle+0x38d/0x500 kernel/sched/idle.c:330 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:428 start_secondary+0x21d/0x2b0 arch/x86/kernel/smpboot.c:315 common_startup_64+0x13e/0x148 final repro crashed as (corrupted=false): INFO: task kworker/u8:5:1008 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:5 state:D stack:25512 pid:1008 tgid:1008 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6929 __schedule_loop kernel/sched/core.c:7011 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7026 schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:100 [inline] __wait_for_common+0x2f9/0x4e0 kernel/sched/completion.c:121 __debugfs_file_removed fs/debugfs/inode.c:770 [inline] remove_one+0x312/0x420 fs/debugfs/inode.c:777 __simple_recursive_removal+0x158/0x610 fs/libfs.c:631 debugfs_remove+0x5d/0x80 fs/debugfs/inode.c:800 nsim_dev_health_exit+0x3b/0xe0 drivers/net/netdevsim/health.c:227 nsim_dev_reload_destroy+0x144/0x4d0 drivers/net/netdevsim/dev.c:1710 nsim_dev_reload_down+0x6e/0xd0 drivers/net/netdevsim/dev.c:983 devlink_reload+0x19e/0x7c0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1a0/0x2b0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0xab0 net/core/net_namespace.c:234 cleanup_net+0x41b/0x8b0 net/core/net_namespace.c:695 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427 kthread+0x3c2/0x780 kernel/kthread.c:463 ret_from_fork+0x56d/0x730 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 INFO: task syz-executor:9184 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:23944 pid:9184 tgid:9184 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6929 __schedule_loop kernel/sched/core.c:7011 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7026 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7083 __mutex_lock_common kernel/locking/mutex.c:676 [inline] __mutex_lock+0x818/0x1060 kernel/locking/mutex.c:760 device_lock include/linux/device.h:914 [inline] device_del+0xa0/0x9f0 drivers/base/core.c:3840 device_unregister+0x1d/0xc0 drivers/base/core.c:3919 nsim_bus_dev_del drivers/net/netdevsim/bus.c:483 [inline] del_device_store+0x355/0x4a0 drivers/net/netdevsim/bus.c:244 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172 sysfs_kf_write+0xef/0x150 fs/sysfs/file.c:142 kernfs_fop_write_iter+0x3ac/0x570 fs/kernfs/file.c:352 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x7d0/0x11d0 fs/read_write.c:686 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3863b8d97f RSP: 002b:00007ffc41e2fdd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3863b8d97f RDX: 0000000000000001 RSI: 00007ffc41e2fe20 RDI: 0000000000000005 RBP: 00007f3863c13239 R08: 0000000000000000 R09: 00007ffc41e2fc27 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffc41e2fe20 R14: 00007f3864914620 R15: 0000000000000003 INFO: task syz.1.3065:9197 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.3065 state:D stack:27336 pid:9197 tgid:9197 ppid:8441 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6929 __schedule_loop kernel/sched/core.c:7011 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7026 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7083 __mutex_lock_common kernel/locking/mutex.c:676 [inline] __mutex_lock+0x818/0x1060 kernel/locking/mutex.c:760 devlink_health_report+0x3ba/0x9c0 net/devlink/health.c:627 nsim_dev_health_break_write+0x166/0x210 drivers/net/netdevsim/health.c:162 full_proxy_write+0x131/0x1a0 fs/debugfs/file.c:388 vfs_write+0x29d/0x11d0 fs/read_write.c:684 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3a2978eec9 RSP: 002b:00007ffea70106b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3a299e5fa0 RCX: 00007f3a2978eec9 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f3a29811f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3a299e5fa0 R14: 00007f3a299e5fa0 R15: 0000000000000003 INFO: task syz.3.3101:9233 blocked for more than 144 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.3101 state:D stack:28208 pid:9233 tgid:9233 ppid:5964 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6929 __schedule_loop kernel/sched/core.c:7011 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7026 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7083 rwsem_down_read_slowpath+0x64b/0xbf0 kernel/locking/rwsem.c:1086 __down_read_common kernel/locking/rwsem.c:1261 [inline] __down_read kernel/locking/rwsem.c:1274 [inline] down_read+0xef/0x480 kernel/locking/rwsem.c:1539 inode_lock_shared include/linux/fs.h:994 [inline] open_last_lookups fs/namei.c:3894 [inline] path_openat+0x818/0x2cb0 fs/namei.c:4131 do_filp_open+0x20b/0x470 fs/namei.c:4161 do_sys_openat2+0x11b/0x1d0 fs/open.c:1435 do_sys_open fs/open.c:1450 [inline] __do_sys_openat fs/open.c:1466 [inline] __se_sys_openat fs/open.c:1461 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1461 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fce3998eec9 RSP: 002b:00007ffeed237b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fce39be5fa0 RCX: 00007fce3998eec9 RDX: 0000000000008081 RSI: 0000200000000000 RDI: ffffffffffffff9c RBP: 00007fce39a11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fce39be5fa0 R14: 00007fce39be5fa0 R15: 0000000000000004 INFO: task syz.0.3102:9235 blocked for more than 144 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.3102 state:D stack:28216 pid:9235 tgid:9235 ppid:5953 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6929 __schedule_loop kernel/sched/core.c:7011 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7026 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7083 rwsem_down_read_slowpath+0x64b/0xbf0 kernel/locking/rwsem.c:1086 __down_read_common kernel/locking/rwsem.c:1261 [inline] __down_read kernel/locking/rwsem.c:1274 [inline] down_read+0xef/0x480 kernel/locking/rwsem.c:1539 inode_lock_shared include/linux/fs.h:994 [inline] open_last_lookups fs/namei.c:3894 [inline] path_openat+0x818/0x2cb0 fs/namei.c:4131 do_filp_open+0x20b/0x470 fs/namei.c:4161 do_sys_openat2+0x11b/0x1d0 fs/open.c:1435 do_sys_open fs/open.c:1450 [inline] __do_sys_openat fs/open.c:1466 [inline] __se_sys_openat fs/open.c:1461 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1461 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdb2af8eec9 RSP: 002b:00007ffccda09d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fdb2b1e5fa0 RCX: 00007fdb2af8eec9 RDX: 0000000000008081 RSI: 0000200000000000 RDI: ffffffffffffff9c RBP: 00007fdb2b011f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdb2b1e5fa0 R14: 00007fdb2b1e5fa0 R15: 0000000000000004 Showing all locks held in the system: 1 lock held by khungtaskd/31: #0: ffffffff8e1c3320 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8e1c3320 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8e1c3320 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6775 3 locks held by kworker/u8:2/36: #0: ffff8880b873a458 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:638 #1: ffff8880b8724088 (psi_seq){-.-.}-{0:0}, at: psi_sched_switch kernel/sched/stats.h:220 [inline] #1: ffff8880b8724088 (psi_seq){-.-.}-{0:0}, at: __schedule+0x1861/0x5de0 kernel/sched/core.c:6923 #2: ffff8880b8725b18 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x127/0x1d0 kernel/time/timer.c:1004 6 locks held by kworker/u8:5/1008: #0: ffff88801bef6948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3238 #1: ffffc90003bcfd10 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3239 #2: ffffffff8feb5310 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xad/0x8b0 net/core/net_namespace.c:669 #3: ffff888032cf90e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:914 [inline] #3: ffff888032cf90e8 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline] #3: ffff888032cf90e8 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x12c/0x2b0 net/devlink/core.c:506 #4: ffff888032cfa250 (&devlink->lock_key#5){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:276 [inline] #4: ffff888032cfa250 (&devlink->lock_key#5){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline] #4: ffff888032cfa250 (&devlink->lock_key#5){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x136/0x2b0 net/devlink/core.c:506 #5: ffff88805bacd568 (&sb->s_type->i_mutex_key#3/2){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1024 [inline] #5: ffff88805bacd568 (&sb->s_type->i_mutex_key#3/2){+.+.}-{4:4}, at: __simple_recursive_removal+0x354/0x610 fs/libfs.c:627 2 locks held by kworker/u8:6/1144: 1 lock held by klogd/5199: #0: ffff8880b873a458 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:638 2 locks held by getty/5600: #0: ffff8880314760a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc9000332e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 drivers/tty/n_tty.c:2222 5 locks held by syz-executor/9184: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888061e18888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 #4: ffff888032cf90e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:914 [inline] #4: ffff888032cf90e8 (&dev->mutex){....}-{4:4}, at: device_del+0xa0/0x9f0 drivers/base/core.c:3840 2 locks held by syz.1.3065/9197: #0: ffff88801fab0428 (sb_writers#8){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888032cfa250 (&devlink->lock_key#5){+.+.}-{4:4}, at: devlink_health_report+0x3ba/0x9c0 net/devlink/health.c:627 2 locks held by syz.3.3101/9233: #0: ffff88801fab0428 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3884 [inline] #0: ffff88801fab0428 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x1ec8/0x2cb0 fs/namei.c:4131 #1: ffff88805bacd568 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:994 [inline] #1: ffff88805bacd568 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3894 [inline] #1: ffff88805bacd568 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: path_openat+0x818/0x2cb0 fs/namei.c:4131 2 locks held by syz.0.3102/9235: #0: ffff88801fab0428 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3884 [inline] #0: ffff88801fab0428 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x1ec8/0x2cb0 fs/namei.c:4131 #1: ffff88805bacd568 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:994 [inline] #1: ffff88805bacd568 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3894 [inline] #1: ffff88805bacd568 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: path_openat+0x818/0x2cb0 fs/namei.c:4131 4 locks held by syz-executor/9269: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88807a732c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9281: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888044959c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9283: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888060716c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9306: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888027aab888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9316: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888075cb5488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9327: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88814c5e6488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9328: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888033abec88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9352: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888074794888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9364: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888034177c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9376: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88805cde8488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/9378: #0: ffff888034e10428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888031fd9888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff88802815be18 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f43a0c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:328 [inline] watchdog+0xf0e/0x1260 kernel/hung_task.c:491 kthread+0x3c2/0x780 kernel/kthread.c:463 ret_from_fork+0x56d/0x730 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82 Code: 89 5e 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 43 b7 1c 00 fb f4 bc 09 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 RSP: 0018:ffffc90000197df8 EFLAGS: 000002c6 RAX: 0000000000119ea9 RBX: 0000000000000001 RCX: ffffffff8b4d4f19 RDX: 0000000000000000 RSI: ffffffff8d9b4b00 RDI: ffffffff8bd00dc0 RBP: ffffed1003b56b58 R08: 0000000000000001 R09: ffffed10170e6655 R10: ffff8880b87332ab R11: 0000000000000000 R12: 0000000000000001 R13: ffff88801dab5ac0 R14: ffffffff905fae90 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888124f79000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055605956f5d0 CR3: 000000000df82000 CR4: 00000000003526f0 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline] default_idle+0x13/0x20 arch/x86/kernel/process.c:757 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122 cpuidle_idle_call kernel/sched/idle.c:190 [inline] do_idle+0x38d/0x500 kernel/sched/idle.c:330 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:428 start_secondary+0x21d/0x2b0 arch/x86/kernel/smpboot.c:315 common_startup_64+0x13e/0x148