Extracting prog: 6m51.622985467s
Minimizing prog: 2h29m35.712785365s
Simplifying prog options: 16m47.724520813s
Extracting C: 5m12.4191181s
Simplifying C: 0s


extracting reproducer from 32 programs
testing a last program of every proc
single: executing 7 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-openat$auto_proc_fail_nth_operations_base-openat$auto_vmwgfx_driver_fops_vmwgfx_drv-socket-openat$auto_sw_sync_debugfs_fops_sync_debug-write$auto-mmap$auto-close_range$auto-connect$auto-openat$auto_vhci_fops_hci_vhci-openat$auto_def_blk_fops_fs-socket-sendmmsg$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
r3 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0)
openat$auto_vmwgfx_driver_fops_vmwgfx_drv(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dri/card1\x00', 0x80802, 0x0)
r4 = socket(0xa, 0x3, 0x3b)
openat$auto_sw_sync_debugfs_fops_sync_debug(0xffffffffffffff9c, &(0x7f00000000c0), 0x3c3501, 0x0)
write$auto(r3, &(0x7f0000000080)='7\x00\\\xa0\x04\x10f\x86\x00\xf9:@ k', 0x81)
mmap$auto(0x6a, 0x8, 0x4, 0x1d, r4, 0x40)
close_range$auto(0x2, 0x8, 0x0)
connect$auto(0x3, 0x0, 0x54)
openat$auto_vhci_fops_hci_vhci(0xffffffffffffff9c, 0x0, 0x60100, 0x0)
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, 0x0, 0x14fa02, 0x0)
r5 = socket(0x10, 0x2, 0x0)
sendmmsg$auto(r5, &(0x7f0000000200)={{0x0, 0x1f00, &(0x7f0000000100)={0x0, 0xfdef}, 0x2, 0x0, 0x7, 0xa505}, 0x700}, 0x7, 0x4008)

program crashed: INFO: task hung in remove_one
single: successfully extracted reproducer
found reproducer with 26 syscalls
minimizing guilty program
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-openat$auto_proc_fail_nth_operations_base-openat$auto_vmwgfx_driver_fops_vmwgfx_drv-socket-openat$auto_sw_sync_debugfs_fops_sync_debug-write$auto-mmap$auto-close_range$auto-connect$auto-openat$auto_vhci_fops_hci_vhci-openat$auto_def_blk_fops_fs-socket
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
r3 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0)
openat$auto_vmwgfx_driver_fops_vmwgfx_drv(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dri/card1\x00', 0x80802, 0x0)
r4 = socket(0xa, 0x3, 0x3b)
openat$auto_sw_sync_debugfs_fops_sync_debug(0xffffffffffffff9c, &(0x7f00000000c0), 0x3c3501, 0x0)
write$auto(r3, &(0x7f0000000080)='7\x00\\\xa0\x04\x10f\x86\x00\xf9:@ k', 0x81)
mmap$auto(0x6a, 0x8, 0x4, 0x1d, r4, 0x40)
close_range$auto(0x2, 0x8, 0x0)
connect$auto(0x3, 0x0, 0x54)
openat$auto_vhci_fops_hci_vhci(0xffffffffffffff9c, 0x0, 0x60100, 0x0)
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, 0x0, 0x14fa02, 0x0)
socket(0x10, 0x2, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-openat$auto_proc_fail_nth_operations_base-openat$auto_vmwgfx_driver_fops_vmwgfx_drv-socket-openat$auto_sw_sync_debugfs_fops_sync_debug-write$auto-mmap$auto-close_range$auto-connect$auto-openat$auto_vhci_fops_hci_vhci-openat$auto_def_blk_fops_fs
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
r3 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0)
openat$auto_vmwgfx_driver_fops_vmwgfx_drv(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dri/card1\x00', 0x80802, 0x0)
r4 = socket(0xa, 0x3, 0x3b)
openat$auto_sw_sync_debugfs_fops_sync_debug(0xffffffffffffff9c, &(0x7f00000000c0), 0x3c3501, 0x0)
write$auto(r3, &(0x7f0000000080)='7\x00\\\xa0\x04\x10f\x86\x00\xf9:@ k', 0x81)
mmap$auto(0x6a, 0x8, 0x4, 0x1d, r4, 0x40)
close_range$auto(0x2, 0x8, 0x0)
connect$auto(0x3, 0x0, 0x54)
openat$auto_vhci_fops_hci_vhci(0xffffffffffffff9c, 0x0, 0x60100, 0x0)
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, 0x0, 0x14fa02, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-openat$auto_proc_fail_nth_operations_base-openat$auto_vmwgfx_driver_fops_vmwgfx_drv-socket-openat$auto_sw_sync_debugfs_fops_sync_debug-write$auto-mmap$auto-close_range$auto-connect$auto-openat$auto_vhci_fops_hci_vhci
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
r3 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0)
openat$auto_vmwgfx_driver_fops_vmwgfx_drv(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dri/card1\x00', 0x80802, 0x0)
r4 = socket(0xa, 0x3, 0x3b)
openat$auto_sw_sync_debugfs_fops_sync_debug(0xffffffffffffff9c, &(0x7f00000000c0), 0x3c3501, 0x0)
write$auto(r3, &(0x7f0000000080)='7\x00\\\xa0\x04\x10f\x86\x00\xf9:@ k', 0x81)
mmap$auto(0x6a, 0x8, 0x4, 0x1d, r4, 0x40)
close_range$auto(0x2, 0x8, 0x0)
connect$auto(0x3, 0x0, 0x54)
openat$auto_vhci_fops_hci_vhci(0xffffffffffffff9c, 0x0, 0x60100, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-openat$auto_proc_fail_nth_operations_base-openat$auto_vmwgfx_driver_fops_vmwgfx_drv-socket-openat$auto_sw_sync_debugfs_fops_sync_debug-write$auto-mmap$auto-close_range$auto-connect$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
r3 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0)
openat$auto_vmwgfx_driver_fops_vmwgfx_drv(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dri/card1\x00', 0x80802, 0x0)
r4 = socket(0xa, 0x3, 0x3b)
openat$auto_sw_sync_debugfs_fops_sync_debug(0xffffffffffffff9c, &(0x7f00000000c0), 0x3c3501, 0x0)
write$auto(r3, &(0x7f0000000080)='7\x00\\\xa0\x04\x10f\x86\x00\xf9:@ k', 0x81)
mmap$auto(0x6a, 0x8, 0x4, 0x1d, r4, 0x40)
close_range$auto(0x2, 0x8, 0x0)
connect$auto(0x3, 0x0, 0x54)

program crashed: lost connection to test machine
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-openat$auto_proc_fail_nth_operations_base-openat$auto_vmwgfx_driver_fops_vmwgfx_drv-socket-openat$auto_sw_sync_debugfs_fops_sync_debug-write$auto-mmap$auto-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
r3 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0)
openat$auto_vmwgfx_driver_fops_vmwgfx_drv(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dri/card1\x00', 0x80802, 0x0)
r4 = socket(0xa, 0x3, 0x3b)
openat$auto_sw_sync_debugfs_fops_sync_debug(0xffffffffffffff9c, &(0x7f00000000c0), 0x3c3501, 0x0)
write$auto(r3, &(0x7f0000000080)='7\x00\\\xa0\x04\x10f\x86\x00\xf9:@ k', 0x81)
mmap$auto(0x6a, 0x8, 0x4, 0x1d, r4, 0x40)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-openat$auto_proc_fail_nth_operations_base-openat$auto_vmwgfx_driver_fops_vmwgfx_drv-socket-openat$auto_sw_sync_debugfs_fops_sync_debug-write$auto-mmap$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
r3 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0)
openat$auto_vmwgfx_driver_fops_vmwgfx_drv(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dri/card1\x00', 0x80802, 0x0)
r4 = socket(0xa, 0x3, 0x3b)
openat$auto_sw_sync_debugfs_fops_sync_debug(0xffffffffffffff9c, &(0x7f00000000c0), 0x3c3501, 0x0)
write$auto(r3, &(0x7f0000000080)='7\x00\\\xa0\x04\x10f\x86\x00\xf9:@ k', 0x81)
mmap$auto(0x6a, 0x8, 0x4, 0x1d, r4, 0x40)

program did not crash
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-openat$auto_proc_fail_nth_operations_base-openat$auto_vmwgfx_driver_fops_vmwgfx_drv-socket-openat$auto_sw_sync_debugfs_fops_sync_debug-write$auto-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
r3 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0)
openat$auto_vmwgfx_driver_fops_vmwgfx_drv(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dri/card1\x00', 0x80802, 0x0)
socket(0xa, 0x3, 0x3b)
openat$auto_sw_sync_debugfs_fops_sync_debug(0xffffffffffffff9c, &(0x7f00000000c0), 0x3c3501, 0x0)
write$auto(r3, &(0x7f0000000080)='7\x00\\\xa0\x04\x10f\x86\x00\xf9:@ k', 0x81)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-openat$auto_proc_fail_nth_operations_base-openat$auto_vmwgfx_driver_fops_vmwgfx_drv-socket-openat$auto_sw_sync_debugfs_fops_sync_debug-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0)
openat$auto_vmwgfx_driver_fops_vmwgfx_drv(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dri/card1\x00', 0x80802, 0x0)
socket(0xa, 0x3, 0x3b)
openat$auto_sw_sync_debugfs_fops_sync_debug(0xffffffffffffff9c, &(0x7f00000000c0), 0x3c3501, 0x0)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-openat$auto_proc_fail_nth_operations_base-openat$auto_vmwgfx_driver_fops_vmwgfx_drv-socket-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0)
openat$auto_vmwgfx_driver_fops_vmwgfx_drv(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dri/card1\x00', 0x80802, 0x0)
socket(0xa, 0x3, 0x3b)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-openat$auto_proc_fail_nth_operations_base-openat$auto_vmwgfx_driver_fops_vmwgfx_drv-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0)
openat$auto_vmwgfx_driver_fops_vmwgfx_drv(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dri/card1\x00', 0x80802, 0x0)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-openat$auto_proc_fail_nth_operations_base-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-statmount$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-socket-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
socket(0x2b, 0x1, 0x1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-mmap$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
mmap$auto(0x0, 0x20009, 0xe2, 0xeb1, 0x405, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r1, &(0x7f0000003900)='\t', 0x1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program did not crash
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in devlink_health_report
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
write$auto(0xffffffffffffffff, &(0x7f0000000080)=')@-!\x00', 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program did not crash
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$nl_generic-bind$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$auto_nsim_dev_health_break_fops_health-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m13.632189259s, {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$auto_nsim_dev_health_break_fops_health-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, 0x0, 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program did not crash
testing program (duration=7m13.632189259s, {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$auto_nsim_dev_health_break_fops_health-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, 0x0, 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x1ac}}, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program did not crash
testing program (duration=7m13.632189259s, {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$auto_nsim_dev_health_break_fops_health-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
extracting C reproducer
testing compiled C program (duration=7m13.632189259s, {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$auto_nsim_dev_health_break_fops_health-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$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=7m13.632189259s, {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}}): openat$auto_nsim_dev_health_break_fops_health-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
extracting C reproducer
testing compiled C program (duration=7m13.632189259s, {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}}): openat$auto_nsim_dev_health_break_fops_health-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=7m13.632189259s, {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}}): openat$auto_nsim_dev_health_break_fops_health-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program did not crash
testing program (duration=7m13.632189259s, {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}}): openat$auto_nsim_dev_health_break_fops_health-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
validation run: crashed=true
testing program (duration=7m13.632189259s, {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}}): openat$auto_nsim_dev_health_break_fops_health-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
validation run: crashed=true
testing program (duration=7m13.632189259s, {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}}): openat$auto_nsim_dev_health_break_fops_health-write$auto-sendmsg$auto_NL80211_CMD_GET_REG-close_range$auto
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, 0x0, 0x40000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
validation run: crashed=true
reproducing took 3h14m15.401589135s
repro crashed as (corrupted=false):
INFO: task kworker/u8:9:5108 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:9    state:D stack:22384 pid:5108  tgid:5108  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_timeout+0x1b2/0x280 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:100 [inline]
 __wait_for_common+0x2e7/0x4c0 kernel/sched/completion.c:121
 __debugfs_file_removed fs/debugfs/inode.c:751 [inline]
 remove_one+0x312/0x420 fs/debugfs/inode.c:758
 __simple_recursive_removal+0x148/0x5c0 fs/libfs.c:625
 debugfs_remove+0x5d/0x80 fs/debugfs/inode.c:781
 nsim_dev_health_exit+0x3b/0xe0 drivers/net/netdevsim/health.c:227
 nsim_dev_reload_destroy+0x144/0x4a0 drivers/net/netdevsim/dev.c:1767
 nsim_dev_reload_down+0x66/0xd0 drivers/net/netdevsim/dev.c:1038
 devlink_reload+0x173/0x790 net/devlink/dev.c:461
 devlink_pernet_pre_exit+0x222/0x330 net/devlink/core.c:507
 ops_pre_exit_list net/core/net_namespace.c:161 [inline]
 ops_undo_list+0x187/0xab0 net/core/net_namespace.c:234
 cleanup_net+0x499/0x920 net/core/net_namespace.c:704
 process_one_work+0xa23/0x19a0 kernel/workqueue.c:3276
 process_scheduled_works kernel/workqueue.c:3359 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3440
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task syz-executor:8790 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:24360 pid:8790  tgid:8790  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
 device_lock include/linux/device.h:949 [inline]
 device_del+0xa0/0x9b0 drivers/base/core.c:3842
 device_unregister+0x1d/0xe0 drivers/base/core.c:3921
 nsim_bus_dev_del drivers/net/netdevsim/bus.c:491 [inline]
 del_device_store+0x346/0x480 drivers/net/netdevsim/bus.c:244
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1070 fs/read_write.c:688
 ksys_write+0x12a/0x250 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f76ab55cfce
RSP: 002b:00007ffd6d4722c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000555577b41500 RCX: 00007f76ab55cfce
RDX: 0000000000000001 RSI: 00007ffd6d472350 RDI: 0000000000000005
RBP: 00007f76ab63351c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd6d472350 R14: 00007f76ac344620 R15: 0000000000000003
 </TASK>
INFO: task syz.3.2676:8806 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.2676      state:D stack:28440 pid:8806  tgid:8806  ppid:5945   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
 devlink_health_report+0x681/0xb50 net/devlink/health.c:680
 nsim_dev_health_break_write+0x166/0x210 drivers/net/netdevsim/health.c:162
 full_proxy_write+0x135/0x1a0 fs/debugfs/file.c:388
 vfs_write+0x2aa/0x1070 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8f0759c799
RSP: 002b:00007ffc7911cea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f8f07815fa0 RCX: 00007f8f0759c799
RDX: 00000000000001e1 RSI: 0000200000000080 RDI: 0000000000000003
RBP: 00007f8f07632c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8f07815fac R14: 00007f8f07815fa0 R15: 00007f8f07815fa0
 </TASK>
INFO: task syz.0.2699:8836 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2699      state:D stack:28440 pid:8836  tgid:8836  ppid:5940   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
 rwsem_down_read_slowpath+0x5dc/0xb30 kernel/locking/rwsem.c:1086
 __down_read_common kernel/locking/rwsem.c:1261 [inline]
 __down_read kernel/locking/rwsem.c:1274 [inline]
 down_read+0xed/0x460 kernel/locking/rwsem.c:1539
 inode_lock_shared include/linux/fs.h:1043 [inline]
 open_last_lookups fs/namei.c:4582 [inline]
 path_openat+0xa16/0x31a0 fs/namei.c:4827
 do_file_open+0x20e/0x430 fs/namei.c:4859
 do_sys_openat2+0x10d/0x1e0 fs/open.c:1366
 do_sys_open fs/open.c:1372 [inline]
 __do_sys_openat fs/open.c:1388 [inline]
 __se_sys_openat fs/open.c:1383 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1383
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9976f9c799
RSP: 002b:00007ffe6b9f1cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f9977215fa0 RCX: 00007f9976f9c799
RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007f9977032c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9977215fac R14: 00007f9977215fa0 R15: 00007f9977215fa0
 </TASK>
INFO: task syz.1.2701:8841 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.2701      state:D stack:28440 pid:8841  tgid:8841  ppid:8336   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
 rwsem_down_read_slowpath+0x5dc/0xb30 kernel/locking/rwsem.c:1086
 __down_read_common kernel/locking/rwsem.c:1261 [inline]
 __down_read kernel/locking/rwsem.c:1274 [inline]
 down_read+0xed/0x460 kernel/locking/rwsem.c:1539
 inode_lock_shared include/linux/fs.h:1043 [inline]
 open_last_lookups fs/namei.c:4582 [inline]
 path_openat+0xa16/0x31a0 fs/namei.c:4827
 do_file_open+0x20e/0x430 fs/namei.c:4859
 do_sys_openat2+0x10d/0x1e0 fs/open.c:1366
 do_sys_open fs/open.c:1372 [inline]
 __do_sys_openat fs/open.c:1388 [inline]
 __se_sys_openat fs/open.c:1383 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1383
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd2b379c799
RSP: 002b:00007fff78135438 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fd2b3a15fa0 RCX: 00007fd2b379c799
RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007fd2b3832c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd2b3a15fac R14: 00007fd2b3a15fa0 R15: 00007fd2b3a15fa0
 </TASK>
INFO: task syz-executor:8873 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:24376 pid:8873  tgid:8873  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
 del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1070 fs/read_write.c:688
 ksys_write+0x12a/0x250 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe71075cfce
RSP: 002b:00007ffdd9efb988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000555557910500 RCX: 00007fe71075cfce
RDX: 0000000000000001 RSI: 00007ffdd9efba10 RDI: 0000000000000005
RBP: 00007fe71083351c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffdd9efba10 R14: 00007fe711544620 R15: 0000000000000003
 </TASK>
INFO: task syz-executor:8875 blocked for more than 145 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:24792 pid:8875  tgid:8875  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
 del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1070 fs/read_write.c:688
 ksys_write+0x12a/0x250 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbd3675cfce
RSP: 002b:00007ffce1f4c798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000055555fac1500 RCX: 00007fbd3675cfce
RDX: 0000000000000001 RSI: 00007ffce1f4c820 RDI: 0000000000000005
RBP: 00007fbd3683351c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffce1f4c820 R14: 00007fbd37544620 R15: 0000000000000003
 </TASK>
INFO: task syz-executor:8880 blocked for more than 145 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:24248 pid:8880  tgid:8880  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
 del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1070 fs/read_write.c:688
 ksys_write+0x12a/0x250 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff81615cfce
RSP: 002b:00007fffa760f318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000055558b3ab500 RCX: 00007ff81615cfce
RDX: 0000000000000001 RSI: 00007fffa760f3a0 RDI: 0000000000000005
RBP: 00007ff81623351c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffa760f3a0 R14: 00007ff816f44620 R15: 0000000000000003
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/30:
 #0: ffffffff8e7e7760 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:312 [inline]
 #0: ffffffff8e7e7760 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:850 [inline]
 #0: ffffffff8e7e7760 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184 kernel/locking/lockdep.c:6775
6 locks held by kworker/u8:9/5108:
 #0: ffff88801c6b6948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x1310/0x19a0 kernel/workqueue.c:3251
 #1: ffffc9001002fd08 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x988/0x19a0 kernel/workqueue.c:3252
 #2: ffffffff905fd910 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xb8/0x920 net/core/net_namespace.c:675
 #3: ffff8880222cb130 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:949 [inline]
 #3: ffff8880222cb130 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
 #3: ffff8880222cb130 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x185/0x330 net/devlink/core.c:504
 #4: ffff888035873250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:274 [inline]
 #4: ffff888035873250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
 #4: ffff888035873250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x18f/0x330 net/devlink/core.c:504
 #5: ffff888057526988 (&sb->s_type->i_mutex_key#10/2){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1073 [inline]
 #5: ffff888057526988 (&sb->s_type->i_mutex_key#10/2){+.+.}-{4:4}, at: __simple_recursive_removal+0xe0/0x5c0 fs/libfs.c:621
1 lock held by klogd/5183:
 #0: ffff8880b853b360 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x140 kernel/sched/core.c:647
2 locks held by getty/5584:
 #0: ffff888037d310a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
 #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x1500 drivers/tty/n_tty.c:2211
5 locks held by syz-executor/8790:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff888061b04488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
 #4: ffff8880222cb130 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:949 [inline]
 #4: ffff8880222cb130 (&dev->mutex){....}-{4:4}, at: device_del+0xa0/0x9b0 drivers/base/core.c:3842
2 locks held by syz.3.2676/8806:
 #0: ffff8880202a8420 (sb_writers#8){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff888035873250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devlink_health_report+0x681/0xb50 net/devlink/health.c:680
2 locks held by syz.0.2699/8836:
 #0: ffff8880202a8420 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:4572 [inline]
 #0: ffff8880202a8420 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x9b1/0x31a0 fs/namei.c:4827
 #1: ffff888057526988 (&sb->s_type->i_mutex_key#18){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1043 [inline]
 #1: ffff888057526988 (&sb->s_type->i_mutex_key#18){++++}-{4:4}, at: open_last_lookups fs/namei.c:4582 [inline]
 #1: ffff888057526988 (&sb->s_type->i_mutex_key#18){++++}-{4:4}, at: path_openat+0xa16/0x31a0 fs/namei.c:4827
2 locks held by syz.1.2701/8841:
 #0: ffff8880202a8420 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:4572 [inline]
 #0: ffff8880202a8420 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x9b1/0x31a0 fs/namei.c:4827
 #1: ffff888057526988 (&sb->s_type->i_mutex_key#18){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1043 [inline]
 #1: ffff888057526988 (&sb->s_type->i_mutex_key#18){++++}-{4:4}, at: open_last_lookups fs/namei.c:4582 [inline]
 #1: ffff888057526988 (&sb->s_type->i_mutex_key#18){++++}-{4:4}, at: path_openat+0xa16/0x31a0 fs/namei.c:4827
4 locks held by syz-executor/8873:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff888075a7ec88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8875:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff888037bc7488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8880:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff888037bc4088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8907:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff88805bfc9088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8919:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff88807a8b2c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8920:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff888072151888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8921:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff8880611e8088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8955:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff88803665a888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8965:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff888078649c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8969:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff88805eaef888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8971:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff88805eaec088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
2 locks held by dhcpcd/8998:
 #0: ffff88805bf0c260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1709 [inline]
 #0: ffff88805bf0c260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf50 net/packet/af_packet.c:3198
 #1: ffffffff8e7f32b8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x27f/0x3c0 kernel/rcu/tree_exp.h:311

=============================================

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 nmi_cpu_backtrace.cold+0x12d/0x151 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x1d7/0x230 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:161 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x141/0x190 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline]
 watchdog+0xd25/0x1050 kernel/hung_task.c:515
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
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 02/12/2026
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:63
Code: e8 84 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 50 1d 00 fb f4 <e9> fc 35 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffc90000197df0 EFLAGS: 00000246
RAX: 000000000010bdbb RBX: ffff88801e688000 RCX: ffffffff8b8e3c75
RDX: 0000000000000000 RSI: ffffffff8de82065 RDI: ffffffff8c1b16a0
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed10170a679d
R10: ffff8880b8533ceb R11: 0000000000000000 R12: 0000000000000001
R13: ffffed1003cd1000 R14: 0000000000000001 R15: ffffffff90d9ec10
FS:  0000000000000000(0000) GS:ffff888124443000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2580b4e040 CR3: 000000000e598000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 arch_safe_halt arch/x86/include/asm/paravirt.h:73 [inline]
 default_idle+0x9/0x10 arch/x86/kernel/process.c:767
 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:199 [inline]
 do_idle+0x464/0x590 kernel/sched/idle.c:352
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:451
 start_secondary+0x21d/0x2d0 arch/x86/kernel/smpboot.c:312
 common_startup_64+0x13e/0x148
 </TASK>

final repro crashed as (corrupted=false):
INFO: task kworker/u8:9:5108 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:9    state:D stack:22384 pid:5108  tgid:5108  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_timeout+0x1b2/0x280 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:100 [inline]
 __wait_for_common+0x2e7/0x4c0 kernel/sched/completion.c:121
 __debugfs_file_removed fs/debugfs/inode.c:751 [inline]
 remove_one+0x312/0x420 fs/debugfs/inode.c:758
 __simple_recursive_removal+0x148/0x5c0 fs/libfs.c:625
 debugfs_remove+0x5d/0x80 fs/debugfs/inode.c:781
 nsim_dev_health_exit+0x3b/0xe0 drivers/net/netdevsim/health.c:227
 nsim_dev_reload_destroy+0x144/0x4a0 drivers/net/netdevsim/dev.c:1767
 nsim_dev_reload_down+0x66/0xd0 drivers/net/netdevsim/dev.c:1038
 devlink_reload+0x173/0x790 net/devlink/dev.c:461
 devlink_pernet_pre_exit+0x222/0x330 net/devlink/core.c:507
 ops_pre_exit_list net/core/net_namespace.c:161 [inline]
 ops_undo_list+0x187/0xab0 net/core/net_namespace.c:234
 cleanup_net+0x499/0x920 net/core/net_namespace.c:704
 process_one_work+0xa23/0x19a0 kernel/workqueue.c:3276
 process_scheduled_works kernel/workqueue.c:3359 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3440
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task syz-executor:8790 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:24360 pid:8790  tgid:8790  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
 device_lock include/linux/device.h:949 [inline]
 device_del+0xa0/0x9b0 drivers/base/core.c:3842
 device_unregister+0x1d/0xe0 drivers/base/core.c:3921
 nsim_bus_dev_del drivers/net/netdevsim/bus.c:491 [inline]
 del_device_store+0x346/0x480 drivers/net/netdevsim/bus.c:244
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1070 fs/read_write.c:688
 ksys_write+0x12a/0x250 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f76ab55cfce
RSP: 002b:00007ffd6d4722c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000555577b41500 RCX: 00007f76ab55cfce
RDX: 0000000000000001 RSI: 00007ffd6d472350 RDI: 0000000000000005
RBP: 00007f76ab63351c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd6d472350 R14: 00007f76ac344620 R15: 0000000000000003
 </TASK>
INFO: task syz.3.2676:8806 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.2676      state:D stack:28440 pid:8806  tgid:8806  ppid:5945   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
 devlink_health_report+0x681/0xb50 net/devlink/health.c:680
 nsim_dev_health_break_write+0x166/0x210 drivers/net/netdevsim/health.c:162
 full_proxy_write+0x135/0x1a0 fs/debugfs/file.c:388
 vfs_write+0x2aa/0x1070 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8f0759c799
RSP: 002b:00007ffc7911cea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f8f07815fa0 RCX: 00007f8f0759c799
RDX: 00000000000001e1 RSI: 0000200000000080 RDI: 0000000000000003
RBP: 00007f8f07632c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8f07815fac R14: 00007f8f07815fa0 R15: 00007f8f07815fa0
 </TASK>
INFO: task syz.0.2699:8836 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2699      state:D stack:28440 pid:8836  tgid:8836  ppid:5940   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
 rwsem_down_read_slowpath+0x5dc/0xb30 kernel/locking/rwsem.c:1086
 __down_read_common kernel/locking/rwsem.c:1261 [inline]
 __down_read kernel/locking/rwsem.c:1274 [inline]
 down_read+0xed/0x460 kernel/locking/rwsem.c:1539
 inode_lock_shared include/linux/fs.h:1043 [inline]
 open_last_lookups fs/namei.c:4582 [inline]
 path_openat+0xa16/0x31a0 fs/namei.c:4827
 do_file_open+0x20e/0x430 fs/namei.c:4859
 do_sys_openat2+0x10d/0x1e0 fs/open.c:1366
 do_sys_open fs/open.c:1372 [inline]
 __do_sys_openat fs/open.c:1388 [inline]
 __se_sys_openat fs/open.c:1383 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1383
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9976f9c799
RSP: 002b:00007ffe6b9f1cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f9977215fa0 RCX: 00007f9976f9c799
RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007f9977032c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9977215fac R14: 00007f9977215fa0 R15: 00007f9977215fa0
 </TASK>
INFO: task syz.1.2701:8841 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.2701      state:D stack:28440 pid:8841  tgid:8841  ppid:8336   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
 rwsem_down_read_slowpath+0x5dc/0xb30 kernel/locking/rwsem.c:1086
 __down_read_common kernel/locking/rwsem.c:1261 [inline]
 __down_read kernel/locking/rwsem.c:1274 [inline]
 down_read+0xed/0x460 kernel/locking/rwsem.c:1539
 inode_lock_shared include/linux/fs.h:1043 [inline]
 open_last_lookups fs/namei.c:4582 [inline]
 path_openat+0xa16/0x31a0 fs/namei.c:4827
 do_file_open+0x20e/0x430 fs/namei.c:4859
 do_sys_openat2+0x10d/0x1e0 fs/open.c:1366
 do_sys_open fs/open.c:1372 [inline]
 __do_sys_openat fs/open.c:1388 [inline]
 __se_sys_openat fs/open.c:1383 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1383
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd2b379c799
RSP: 002b:00007fff78135438 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fd2b3a15fa0 RCX: 00007fd2b379c799
RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007fd2b3832c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd2b3a15fac R14: 00007fd2b3a15fa0 R15: 00007fd2b3a15fa0
 </TASK>
INFO: task syz-executor:8873 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:24376 pid:8873  tgid:8873  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
 del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1070 fs/read_write.c:688
 ksys_write+0x12a/0x250 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe71075cfce
RSP: 002b:00007ffdd9efb988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000555557910500 RCX: 00007fe71075cfce
RDX: 0000000000000001 RSI: 00007ffdd9efba10 RDI: 0000000000000005
RBP: 00007fe71083351c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffdd9efba10 R14: 00007fe711544620 R15: 0000000000000003
 </TASK>
INFO: task syz-executor:8875 blocked for more than 145 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:24792 pid:8875  tgid:8875  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
 del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1070 fs/read_write.c:688
 ksys_write+0x12a/0x250 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbd3675cfce
RSP: 002b:00007ffce1f4c798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000055555fac1500 RCX: 00007fbd3675cfce
RDX: 0000000000000001 RSI: 00007ffce1f4c820 RDI: 0000000000000005
RBP: 00007fbd3683351c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffce1f4c820 R14: 00007fbd37544620 R15: 0000000000000003
 </TASK>
INFO: task syz-executor:8880 blocked for more than 145 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:24248 pid:8880  tgid:8880  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 __schedule_loop kernel/sched/core.c:6993 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7008
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
 del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1070 fs/read_write.c:688
 ksys_write+0x12a/0x250 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff81615cfce
RSP: 002b:00007fffa760f318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000055558b3ab500 RCX: 00007ff81615cfce
RDX: 0000000000000001 RSI: 00007fffa760f3a0 RDI: 0000000000000005
RBP: 00007ff81623351c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffa760f3a0 R14: 00007ff816f44620 R15: 0000000000000003
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/30:
 #0: ffffffff8e7e7760 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:312 [inline]
 #0: ffffffff8e7e7760 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:850 [inline]
 #0: ffffffff8e7e7760 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184 kernel/locking/lockdep.c:6775
6 locks held by kworker/u8:9/5108:
 #0: ffff88801c6b6948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x1310/0x19a0 kernel/workqueue.c:3251
 #1: ffffc9001002fd08 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x988/0x19a0 kernel/workqueue.c:3252
 #2: ffffffff905fd910 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xb8/0x920 net/core/net_namespace.c:675
 #3: ffff8880222cb130 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:949 [inline]
 #3: ffff8880222cb130 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
 #3: ffff8880222cb130 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x185/0x330 net/devlink/core.c:504
 #4: ffff888035873250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:274 [inline]
 #4: ffff888035873250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
 #4: ffff888035873250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x18f/0x330 net/devlink/core.c:504
 #5: ffff888057526988 (&sb->s_type->i_mutex_key#10/2){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1073 [inline]
 #5: ffff888057526988 (&sb->s_type->i_mutex_key#10/2){+.+.}-{4:4}, at: __simple_recursive_removal+0xe0/0x5c0 fs/libfs.c:621
1 lock held by klogd/5183:
 #0: ffff8880b853b360 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x140 kernel/sched/core.c:647
2 locks held by getty/5584:
 #0: ffff888037d310a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
 #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x1500 drivers/tty/n_tty.c:2211
5 locks held by syz-executor/8790:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff888061b04488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
 #4: ffff8880222cb130 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:949 [inline]
 #4: ffff8880222cb130 (&dev->mutex){....}-{4:4}, at: device_del+0xa0/0x9b0 drivers/base/core.c:3842
2 locks held by syz.3.2676/8806:
 #0: ffff8880202a8420 (sb_writers#8){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff888035873250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devlink_health_report+0x681/0xb50 net/devlink/health.c:680
2 locks held by syz.0.2699/8836:
 #0: ffff8880202a8420 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:4572 [inline]
 #0: ffff8880202a8420 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x9b1/0x31a0 fs/namei.c:4827
 #1: ffff888057526988 (&sb->s_type->i_mutex_key#18){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1043 [inline]
 #1: ffff888057526988 (&sb->s_type->i_mutex_key#18){++++}-{4:4}, at: open_last_lookups fs/namei.c:4582 [inline]
 #1: ffff888057526988 (&sb->s_type->i_mutex_key#18){++++}-{4:4}, at: path_openat+0xa16/0x31a0 fs/namei.c:4827
2 locks held by syz.1.2701/8841:
 #0: ffff8880202a8420 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:4572 [inline]
 #0: ffff8880202a8420 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x9b1/0x31a0 fs/namei.c:4827
 #1: ffff888057526988 (&sb->s_type->i_mutex_key#18){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1043 [inline]
 #1: ffff888057526988 (&sb->s_type->i_mutex_key#18){++++}-{4:4}, at: open_last_lookups fs/namei.c:4582 [inline]
 #1: ffff888057526988 (&sb->s_type->i_mutex_key#18){++++}-{4:4}, at: path_openat+0xa16/0x31a0 fs/namei.c:4827
4 locks held by syz-executor/8873:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff888075a7ec88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8875:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff888037bc7488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8880:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff888037bc4088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8907:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff88805bfc9088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8919:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff88807a8b2c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8920:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff888072151888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8921:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff8880611e8088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8955:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff88803665a888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8965:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff888078649c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8969:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff88805eaef888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/8971:
 #0: ffff8880341ee420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:740
 #1: ffff88805eaec088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:343
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff8880298d0698 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:344
 #3: ffffffff8fb6e6c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
2 locks held by dhcpcd/8998:
 #0: ffff88805bf0c260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1709 [inline]
 #0: ffff88805bf0c260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf50 net/packet/af_packet.c:3198
 #1: ffffffff8e7f32b8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x27f/0x3c0 kernel/rcu/tree_exp.h:311

=============================================

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 nmi_cpu_backtrace.cold+0x12d/0x151 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x1d7/0x230 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:161 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x141/0x190 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline]
 watchdog+0xd25/0x1050 kernel/hung_task.c:515
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
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 02/12/2026
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:63
Code: e8 84 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 50 1d 00 fb f4 <e9> fc 35 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffc90000197df0 EFLAGS: 00000246
RAX: 000000000010bdbb RBX: ffff88801e688000 RCX: ffffffff8b8e3c75
RDX: 0000000000000000 RSI: ffffffff8de82065 RDI: ffffffff8c1b16a0
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed10170a679d
R10: ffff8880b8533ceb R11: 0000000000000000 R12: 0000000000000001
R13: ffffed1003cd1000 R14: 0000000000000001 R15: ffffffff90d9ec10
FS:  0000000000000000(0000) GS:ffff888124443000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2580b4e040 CR3: 000000000e598000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 arch_safe_halt arch/x86/include/asm/paravirt.h:73 [inline]
 default_idle+0x9/0x10 arch/x86/kernel/process.c:767
 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:199 [inline]
 do_idle+0x464/0x590 kernel/sched/idle.c:352
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:451
 start_secondary+0x21d/0x2d0 arch/x86/kernel/smpboot.c:312
 common_startup_64+0x13e/0x148
 </TASK>