Extracting prog: 18m20.297775141s
Minimizing prog: 1h29m33.542507902s
Simplifying prog options: 16m8.653496397s
Extracting C: 5m13.170361184s
Simplifying C: 0s


extracting reproducer from 46 programs
testing a last program of every proc
single: executing 11 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-syz_genetlink_get_family_id$auto_mac80211_hwsim-socket$nl_generic-openat$auto_proc_pid_attr_operations_base-write$auto_proc_pid_attr_operations_base-openat$auto_proc_single_file_operations_base-socket-openat$auto_dma_heap_fops_dma_heap-ioctl$auto_dma_heap_fops_dma_heap-openat$auto_vmuser_fops_vmci_host-mmap$auto-openat$auto_rng_chrdev_ops_core-pipe$auto-setsockopt$auto-connect$auto
detailed listing:
executing program 0:
socket(0x2, 0x1, 0x106)
syz_genetlink_get_family_id$auto_mac80211_hwsim(0x0, 0xffffffffffffffff)
socket$nl_generic(0x10, 0x3, 0x10)
r0 = openat$auto_proc_pid_attr_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/attr/apparmor/prev\x00', 0x1, 0x0)
write$auto_proc_pid_attr_operations_base(r0, 0x0, 0x0)
openat$auto_proc_single_file_operations_base(0xffffffffffffff9c, &(0x7f0000000140)='/proc/self/personality\x00', 0x2, 0x0)
socket(0x2, 0x1, 0x106)
r1 = openat$auto_dma_heap_fops_dma_heap(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0)
ioctl$auto_dma_heap_fops_dma_heap(r1, 0xffffffff5fdffe00, &(0x7f0000000440)="d7")
openat$auto_vmuser_fops_vmci_host(0xffffffffffffff9c, 0x0, 0x0, 0x0)
mmap$auto(0x0, 0x8000, 0xdf, 0xeb1, 0x401, 0x8000)
openat$auto_rng_chrdev_ops_core(0xffffffffffffff9c, &(0x7f0000000000), 0x2000, 0x0)
pipe$auto(0x0)
setsockopt$auto(0x3, 0x1, 0x3e, 0x0, 0x4)
connect$auto(0x3, &(0x7f00000018c0)=@in={0x2, 0x300, @loopback}, 0x55)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-mmap$auto-madvise$auto-io_uring_setup$auto-openat$auto_proc_pagemap_operations_internal-read$auto-madvise$auto-close_range$auto-close_range$auto-ioctl$auto_BTRFS_IOC_SUBVOL_CREATE_V2-ioctl$auto_BTRFS_IOC_SUBVOL_CREATE_V2-prctl$auto-mmap$auto-unshare$auto-clock_getres$auto-clock_getres$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) (async)
mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000)
madvise$auto(0x0, 0xfffffffffffeffff, 0x15)
r0 = io_uring_setup$auto(0x6, 0x0)
r1 = openat$auto_proc_pagemap_operations_internal(0xffffffffffffff9c, &(0x7f0000000980)='/proc/self/pagemap\x00', 0x2, 0x0)
read$auto(r1, 0x0, 0x39b8)
madvise$auto(0x200, 0x4, 0x2)
close_range$auto(r0, r1, 0x100) (async)
close_range$auto(r0, r1, 0x100)
ioctl$auto_BTRFS_IOC_SUBVOL_CREATE_V2(r0, 0x50009418, &(0x7f0000000000)={@raw=0x1, 0xefb, 0xc, @unused, @devid=0x10001}) (async)
ioctl$auto_BTRFS_IOC_SUBVOL_CREATE_V2(r0, 0x50009418, &(0x7f0000000000)={@raw=0x1, 0xefb, 0xc, @unused, @devid=0x10001})
prctl$auto(0x1000000003b, 0x1, 0x4, 0x5, 0x7)
mmap$auto(0x0, 0x2020009, 0x203, 0xeb1, 0xfffffffffffffffa, 0x8000)
unshare$auto(0x40000080)
clock_getres$auto(0x5, 0x0) (async)
clock_getres$auto(0x5, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET-syz_genetlink_get_family_id$auto_smc_gen_netlink-sendmsg$auto_SMC_NETLINK_DISABLE_SEID-sendmsg$auto_SMC_NETLINK_DUMP_SEID-bind$auto-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$auto_proc_sys_file_operations_proc_sysctl-ioctl$auto_SW_SYNC_IOC_CREATE_FENCE-sendfile$auto-read$auto_proc_reg_file_ops_compat_inode
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET(0x80000000, 0x2, 0x0, 0xffffffffffffffff, 0x5)
r1 = syz_genetlink_get_family_id$auto_smc_gen_netlink(&(0x7f0000000040), r0)
sendmsg$auto_SMC_NETLINK_DISABLE_SEID(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="013b"], 0x14}, 0x1, 0x0, 0x0, 0x880}, 0x810)
sendmsg$auto_SMC_NETLINK_DUMP_SEID(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0xd4, r1, 0x4, 0x70bd2d, 0x25dfdbfb, {}, "b436e676a0203033547268ee092d22f2b4d5944dbdb05bc7a09dace80d411c23891e4985b7477a23e93aeb16a75869d3ec63ea1bc8e8d105e9618149295a6981bc4bab241949fe337f0357099f356e468bd26b4c9072539a27847445ac5d61393bab047f8c833cf6d2d5afb0d9957bf907e8212e5be4f2ff64c807796562ed05a8a901193d28d66ae713b160da5f29afa987465c102899e60b708f3dbfb1e1bcee7e58756ee64f4ca38710dd4df5d2ca171f9881a1927ab86ee50c2f70d0"}, 0xd4}, 0x1, 0x0, 0x0, 0x20008004}, 0x90)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r2 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r3 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r3, &(0x7f0000003900)='\t', 0x1)
write$auto(r2, &(0x7f0000000080)=')@-!\x00', 0x1e1)
r4 = openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
r5 = ioctl$auto_SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000040)={0x2, "f74d086d6600f5daa47fca1f1a0730a2f629350000000000000008600418af10", @inferred=r4})
sendfile$auto(r5, r4, 0x0, 0x7fffe002)
read$auto_proc_reg_file_ops_compat_inode(0xffffffffffffffff, &(0x7f00000000c0)=""/128, 0x80)

program crashed: INFO: task hung in remove_one
single: successfully extracted reproducer
found reproducer with 14 syscalls
minimizing guilty program
testing program (duration=6m39.243881322s, {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$nl_generic-prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET-syz_genetlink_get_family_id$auto_smc_gen_netlink-sendmsg$auto_SMC_NETLINK_DISABLE_SEID-sendmsg$auto_SMC_NETLINK_DUMP_SEID-bind$auto-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$auto_proc_sys_file_operations_proc_sysctl-ioctl$auto_SW_SYNC_IOC_CREATE_FENCE-sendfile$auto
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET(0x80000000, 0x2, 0x0, 0xffffffffffffffff, 0x5)
r1 = syz_genetlink_get_family_id$auto_smc_gen_netlink(&(0x7f0000000040), r0)
sendmsg$auto_SMC_NETLINK_DISABLE_SEID(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="013b"], 0x14}, 0x1, 0x0, 0x0, 0x880}, 0x810)
sendmsg$auto_SMC_NETLINK_DUMP_SEID(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0xd4, r1, 0x4, 0x70bd2d, 0x25dfdbfb, {}, "b436e676a0203033547268ee092d22f2b4d5944dbdb05bc7a09dace80d411c23891e4985b7477a23e93aeb16a75869d3ec63ea1bc8e8d105e9618149295a6981bc4bab241949fe337f0357099f356e468bd26b4c9072539a27847445ac5d61393bab047f8c833cf6d2d5afb0d9957bf907e8212e5be4f2ff64c807796562ed05a8a901193d28d66ae713b160da5f29afa987465c102899e60b708f3dbfb1e1bcee7e58756ee64f4ca38710dd4df5d2ca171f9881a1927ab86ee50c2f70d0"}, 0xd4}, 0x1, 0x0, 0x0, 0x20008004}, 0x90)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r2 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r3 = 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(r3, &(0x7f0000003900)='\t', 0x1)
write$auto(r2, &(0x7f0000000080)=')@-!\x00', 0x1e1)
r4 = openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
r5 = ioctl$auto_SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000040)={0x2, "f74d086d6600f5daa47fca1f1a0730a2f629350000000000000008600418af10", @inferred=r4})
sendfile$auto(r5, r4, 0x0, 0x7fffe002)

program crashed: INFO: task hung in remove_one
testing program (duration=6m39.243881322s, {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$nl_generic-prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET-syz_genetlink_get_family_id$auto_smc_gen_netlink-sendmsg$auto_SMC_NETLINK_DISABLE_SEID-sendmsg$auto_SMC_NETLINK_DUMP_SEID-bind$auto-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$auto_proc_sys_file_operations_proc_sysctl-ioctl$auto_SW_SYNC_IOC_CREATE_FENCE
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET(0x80000000, 0x2, 0x0, 0xffffffffffffffff, 0x5)
r1 = syz_genetlink_get_family_id$auto_smc_gen_netlink(&(0x7f0000000040), r0)
sendmsg$auto_SMC_NETLINK_DISABLE_SEID(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="013b"], 0x14}, 0x1, 0x0, 0x0, 0x880}, 0x810)
sendmsg$auto_SMC_NETLINK_DUMP_SEID(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0xd4, r1, 0x4, 0x70bd2d, 0x25dfdbfb, {}, "b436e676a0203033547268ee092d22f2b4d5944dbdb05bc7a09dace80d411c23891e4985b7477a23e93aeb16a75869d3ec63ea1bc8e8d105e9618149295a6981bc4bab241949fe337f0357099f356e468bd26b4c9072539a27847445ac5d61393bab047f8c833cf6d2d5afb0d9957bf907e8212e5be4f2ff64c807796562ed05a8a901193d28d66ae713b160da5f29afa987465c102899e60b708f3dbfb1e1bcee7e58756ee64f4ca38710dd4df5d2ca171f9881a1927ab86ee50c2f70d0"}, 0xd4}, 0x1, 0x0, 0x0, 0x20008004}, 0x90)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r2 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r3 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r3, &(0x7f0000003900)='\t', 0x1)
write$auto(r2, &(0x7f0000000080)=')@-!\x00', 0x1e1)
r4 = openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
ioctl$auto_SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000040)={0x2, "f74d086d6600f5daa47fca1f1a0730a2f629350000000000000008600418af10", @inferred=r4})

program crashed: INFO: task hung in remove_one
testing program (duration=6m39.243881322s, {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$nl_generic-prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET-syz_genetlink_get_family_id$auto_smc_gen_netlink-sendmsg$auto_SMC_NETLINK_DISABLE_SEID-sendmsg$auto_SMC_NETLINK_DUMP_SEID-bind$auto-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$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET(0x80000000, 0x2, 0x0, 0xffffffffffffffff, 0x5)
r1 = syz_genetlink_get_family_id$auto_smc_gen_netlink(&(0x7f0000000040), r0)
sendmsg$auto_SMC_NETLINK_DISABLE_SEID(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="013b"], 0x14}, 0x1, 0x0, 0x0, 0x880}, 0x810)
sendmsg$auto_SMC_NETLINK_DUMP_SEID(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0xd4, r1, 0x4, 0x70bd2d, 0x25dfdbfb, {}, "b436e676a0203033547268ee092d22f2b4d5944dbdb05bc7a09dace80d411c23891e4985b7477a23e93aeb16a75869d3ec63ea1bc8e8d105e9618149295a6981bc4bab241949fe337f0357099f356e468bd26b4c9072539a27847445ac5d61393bab047f8c833cf6d2d5afb0d9957bf907e8212e5be4f2ff64c807796562ed05a8a901193d28d66ae713b160da5f29afa987465c102899e60b708f3dbfb1e1bcee7e58756ee64f4ca38710dd4df5d2ca171f9881a1927ab86ee50c2f70d0"}, 0xd4}, 0x1, 0x0, 0x0, 0x20008004}, 0x90)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r2 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r3 = 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(r3, &(0x7f0000003900)='\t', 0x1)
write$auto(r2, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=6m39.243881322s, {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$nl_generic-prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET-syz_genetlink_get_family_id$auto_smc_gen_netlink-sendmsg$auto_SMC_NETLINK_DISABLE_SEID-sendmsg$auto_SMC_NETLINK_DUMP_SEID-bind$auto-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET(0x80000000, 0x2, 0x0, 0xffffffffffffffff, 0x5)
r1 = syz_genetlink_get_family_id$auto_smc_gen_netlink(&(0x7f0000000040), r0)
sendmsg$auto_SMC_NETLINK_DISABLE_SEID(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="013b"], 0x14}, 0x1, 0x0, 0x0, 0x880}, 0x810)
sendmsg$auto_SMC_NETLINK_DUMP_SEID(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0xd4, r1, 0x4, 0x70bd2d, 0x25dfdbfb, {}, "b436e676a0203033547268ee092d22f2b4d5944dbdb05bc7a09dace80d411c23891e4985b7477a23e93aeb16a75869d3ec63ea1bc8e8d105e9618149295a6981bc4bab241949fe337f0357099f356e468bd26b4c9072539a27847445ac5d61393bab047f8c833cf6d2d5afb0d9957bf907e8212e5be4f2ff64c807796562ed05a8a901193d28d66ae713b160da5f29afa987465c102899e60b708f3dbfb1e1bcee7e58756ee64f4ca38710dd4df5d2ca171f9881a1927ab86ee50c2f70d0"}, 0xd4}, 0x1, 0x0, 0x0, 0x20008004}, 0x90)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r2 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r3 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r3, &(0x7f0000003900)='\t', 0x1)
write$auto(r2, &(0x7f0000000080)=')@-!\x00', 0x1e1)

program crashed: INFO: task hung in remove_one
program crashed: INFO: task hung in remove_one
testing program (duration=6m39.243881322s, {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$nl_generic-prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET-syz_genetlink_get_family_id$auto_smc_gen_netlink-sendmsg$auto_SMC_NETLINK_DISABLE_SEID-sendmsg$auto_SMC_NETLINK_DUMP_SEID-bind$auto-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET(0x80000000, 0x2, 0x0, 0xffffffffffffffff, 0x5)
r1 = syz_genetlink_get_family_id$auto_smc_gen_netlink(&(0x7f0000000040), r0)
sendmsg$auto_SMC_NETLINK_DISABLE_SEID(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="013b"], 0x14}, 0x1, 0x0, 0x0, 0x880}, 0x810)
sendmsg$auto_SMC_NETLINK_DUMP_SEID(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0xd4, r1, 0x4, 0x70bd2d, 0x25dfdbfb, {}, "b436e676a0203033547268ee092d22f2b4d5944dbdb05bc7a09dace80d411c23891e4985b7477a23e93aeb16a75869d3ec63ea1bc8e8d105e9618149295a6981bc4bab241949fe337f0357099f356e468bd26b4c9072539a27847445ac5d61393bab047f8c833cf6d2d5afb0d9957bf907e8212e5be4f2ff64c807796562ed05a8a901193d28d66ae713b160da5f29afa987465c102899e60b708f3dbfb1e1bcee7e58756ee64f4ca38710dd4df5d2ca171f9881a1927ab86ee50c2f70d0"}, 0xd4}, 0x1, 0x0, 0x0, 0x20008004}, 0x90)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
openat$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)

program did not crash
testing program (duration=6m39.243881322s, {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$nl_generic-prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET-syz_genetlink_get_family_id$auto_smc_gen_netlink-sendmsg$auto_SMC_NETLINK_DISABLE_SEID-sendmsg$auto_SMC_NETLINK_DUMP_SEID-bind$auto-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET(0x80000000, 0x2, 0x0, 0xffffffffffffffff, 0x5)
r1 = syz_genetlink_get_family_id$auto_smc_gen_netlink(&(0x7f0000000040), r0)
sendmsg$auto_SMC_NETLINK_DISABLE_SEID(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="013b"], 0x14}, 0x1, 0x0, 0x0, 0x880}, 0x810)
sendmsg$auto_SMC_NETLINK_DUMP_SEID(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0xd4, r1, 0x4, 0x70bd2d, 0x25dfdbfb, {}, "b436e676a0203033547268ee092d22f2b4d5944dbdb05bc7a09dace80d411c23891e4985b7477a23e93aeb16a75869d3ec63ea1bc8e8d105e9618149295a6981bc4bab241949fe337f0357099f356e468bd26b4c9072539a27847445ac5d61393bab047f8c833cf6d2d5afb0d9957bf907e8212e5be4f2ff64c807796562ed05a8a901193d28d66ae713b160da5f29afa987465c102899e60b708f3dbfb1e1bcee7e58756ee64f4ca38710dd4df5d2ca171f9881a1927ab86ee50c2f70d0"}, 0xd4}, 0x1, 0x0, 0x0, 0x20008004}, 0x90)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r2 = openat$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(r2, &(0x7f0000000080)=')@-!\x00', 0x1e1)

program crashed: INFO: task hung in remove_one
testing program (duration=6m39.243881322s, {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$nl_generic-prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET-syz_genetlink_get_family_id$auto_smc_gen_netlink-sendmsg$auto_SMC_NETLINK_DISABLE_SEID-sendmsg$auto_SMC_NETLINK_DUMP_SEID-bind$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET(0x80000000, 0x2, 0x0, 0xffffffffffffffff, 0x5)
r1 = syz_genetlink_get_family_id$auto_smc_gen_netlink(&(0x7f0000000040), r0)
sendmsg$auto_SMC_NETLINK_DISABLE_SEID(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="013b"], 0x14}, 0x1, 0x0, 0x0, 0x880}, 0x810)
sendmsg$auto_SMC_NETLINK_DUMP_SEID(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0xd4, r1, 0x4, 0x70bd2d, 0x25dfdbfb, {}, "b436e676a0203033547268ee092d22f2b4d5944dbdb05bc7a09dace80d411c23891e4985b7477a23e93aeb16a75869d3ec63ea1bc8e8d105e9618149295a6981bc4bab241949fe337f0357099f356e468bd26b4c9072539a27847445ac5d61393bab047f8c833cf6d2d5afb0d9957bf907e8212e5be4f2ff64c807796562ed05a8a901193d28d66ae713b160da5f29afa987465c102899e60b708f3dbfb1e1bcee7e58756ee64f4ca38710dd4df5d2ca171f9881a1927ab86ee50c2f70d0"}, 0xd4}, 0x1, 0x0, 0x0, 0x20008004}, 0x90)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r2 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r2, &(0x7f0000000080)=')@-!\x00', 0x1e1)

program crashed: INFO: task hung in remove_one
testing program (duration=6m39.243881322s, {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$nl_generic-prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET-syz_genetlink_get_family_id$auto_smc_gen_netlink-sendmsg$auto_SMC_NETLINK_DISABLE_SEID-sendmsg$auto_SMC_NETLINK_DUMP_SEID-bind$auto-write$auto
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET(0x80000000, 0x2, 0x0, 0xffffffffffffffff, 0x5)
r1 = syz_genetlink_get_family_id$auto_smc_gen_netlink(&(0x7f0000000040), r0)
sendmsg$auto_SMC_NETLINK_DISABLE_SEID(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="013b"], 0x14}, 0x1, 0x0, 0x0, 0x880}, 0x810)
sendmsg$auto_SMC_NETLINK_DUMP_SEID(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0xd4, r1, 0x4, 0x70bd2d, 0x25dfdbfb, {}, "b436e676a0203033547268ee092d22f2b4d5944dbdb05bc7a09dace80d411c23891e4985b7477a23e93aeb16a75869d3ec63ea1bc8e8d105e9618149295a6981bc4bab241949fe337f0357099f356e468bd26b4c9072539a27847445ac5d61393bab047f8c833cf6d2d5afb0d9957bf907e8212e5be4f2ff64c807796562ed05a8a901193d28d66ae713b160da5f29afa987465c102899e60b708f3dbfb1e1bcee7e58756ee64f4ca38710dd4df5d2ca171f9881a1927ab86ee50c2f70d0"}, 0xd4}, 0x1, 0x0, 0x0, 0x20008004}, 0x90)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
write$auto(0xffffffffffffffff, &(0x7f0000000080)=')@-!\x00', 0x1e1)

program did not crash
testing program (duration=6m39.243881322s, {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$nl_generic-prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET-syz_genetlink_get_family_id$auto_smc_gen_netlink-sendmsg$auto_SMC_NETLINK_DISABLE_SEID-sendmsg$auto_SMC_NETLINK_DUMP_SEID-openat$auto_nsim_dev_health_break_fops_health-write$auto
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET(0x80000000, 0x2, 0x0, 0xffffffffffffffff, 0x5)
r1 = syz_genetlink_get_family_id$auto_smc_gen_netlink(&(0x7f0000000040), r0)
sendmsg$auto_SMC_NETLINK_DISABLE_SEID(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="013b"], 0x14}, 0x1, 0x0, 0x0, 0x880}, 0x810)
sendmsg$auto_SMC_NETLINK_DUMP_SEID(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0xd4, r1, 0x4, 0x70bd2d, 0x25dfdbfb, {}, "b436e676a0203033547268ee092d22f2b4d5944dbdb05bc7a09dace80d411c23891e4985b7477a23e93aeb16a75869d3ec63ea1bc8e8d105e9618149295a6981bc4bab241949fe337f0357099f356e468bd26b4c9072539a27847445ac5d61393bab047f8c833cf6d2d5afb0d9957bf907e8212e5be4f2ff64c807796562ed05a8a901193d28d66ae713b160da5f29afa987465c102899e60b708f3dbfb1e1bcee7e58756ee64f4ca38710dd4df5d2ca171f9881a1927ab86ee50c2f70d0"}, 0xd4}, 0x1, 0x0, 0x0, 0x20008004}, 0x90)
r2 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r2, &(0x7f0000000080)=')@-!\x00', 0x1e1)

program crashed: INFO: task hung in remove_one
testing program (duration=6m39.243881322s, {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$nl_generic-prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET-syz_genetlink_get_family_id$auto_smc_gen_netlink-sendmsg$auto_SMC_NETLINK_DISABLE_SEID-openat$auto_nsim_dev_health_break_fops_health-write$auto
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET(0x80000000, 0x2, 0x0, 0xffffffffffffffff, 0x5)
r1 = syz_genetlink_get_family_id$auto_smc_gen_netlink(&(0x7f0000000040), r0)
sendmsg$auto_SMC_NETLINK_DISABLE_SEID(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="013b"], 0x14}, 0x1, 0x0, 0x0, 0x880}, 0x810)
r2 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r2, &(0x7f0000000080)=')@-!\x00', 0x1e1)

program crashed: INFO: task hung in remove_one
testing program (duration=6m39.243881322s, {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$nl_generic-prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET-syz_genetlink_get_family_id$auto_smc_gen_netlink-openat$auto_nsim_dev_health_break_fops_health-write$auto
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET(0x80000000, 0x2, 0x0, 0xffffffffffffffff, 0x5)
syz_genetlink_get_family_id$auto_smc_gen_netlink(&(0x7f0000000040), r0)
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)

program crashed: INFO: task hung in remove_one
testing program (duration=6m39.243881322s, {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$nl_generic-prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET-openat$auto_nsim_dev_health_break_fops_health-write$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
prctl$auto_PR_TIMER_CREATE_RESTORE_IDS_GET(0x80000000, 0x2, 0x0, 0xffffffffffffffff, 0x5)
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)

program crashed: INFO: task hung in remove_one
testing program (duration=6m39.243881322s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)

program crashed: INFO: task hung in remove_one
testing program (duration=6m39.243881322s, {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
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)

program crashed: INFO: task hung in remove_one
testing program (duration=6m39.243881322s, {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
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, 0x0, 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)

program did not crash
testing program (duration=6m39.243881322s, {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
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)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m39.243881322s, {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
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=6m39.243881322s, {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
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)

program crashed: INFO: task hung in remove_one
extracting C reproducer
testing compiled C program (duration=6m39.243881322s, {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
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m39.243881322s, {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
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)

program did not crash
testing program (duration=6m39.243881322s, {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
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)

program crashed: INFO: task hung in remove_one
validation run: crashed=true
testing program (duration=6m39.243881322s, {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
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)

program crashed: INFO: task hung in remove_one
validation run: crashed=true
testing program (duration=6m39.243881322s, {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
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)

program crashed: INFO: task hung in remove_one
validation run: crashed=true
reproducing took 2h21m34.63338202s
repro crashed as (corrupted=false):
INFO: task kworker/u8:10:3515 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:10   state:D stack:25480 pid:3515  tgid:3515  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:6960
 schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:100 [inline]
 __wait_for_common+0x2fc/0x4e0 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+0x15b/0x610 fs/libfs.c:623
 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+0x144/0x4d0 drivers/net/netdevsim/dev.c:1766
 nsim_dev_reload_down+0x66/0xd0 drivers/net/netdevsim/dev.c:1038
 devlink_reload+0x1a1/0x7c0 net/devlink/dev.c:461
 devlink_pernet_pre_exit+0x1a0/0x2b0 net/devlink/core.c:509
 ops_pre_exit_list net/core/net_namespace.c:161 [inline]
 ops_undo_list+0x187/0xab0 net/core/net_namespace.c:234
 cleanup_net+0x41b/0x830 net/core/net_namespace.c:696
 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
INFO: task syz-executor:10045 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:24552 pid:10045 tgid:10045 ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:6960
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7017
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0xc69/0x1ca0 kernel/locking/mutex.c:776
 device_lock include/linux/device.h:895 [inline]
 device_del+0xa0/0x9f0 drivers/base/core.c:3840
 device_unregister+0x1d/0xe0 drivers/base/core.c:3919
 nsim_bus_dev_del drivers/net/netdevsim/bus.c:491 [inline]
 del_device_store+0x355/0x4a0 drivers/net/netdevsim/bus.c:244
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142
 kernfs_fop_write_iter+0x3af/0x570 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4a2318e27f
RSP: 002b:00007ffff4d480e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4a2318e27f
RDX: 0000000000000001 RSI: 00007ffff4d48130 RDI: 0000000000000005
RBP: 00007f4a232152cb R08: 0000000000000000 R09: 00007ffff4d47f37
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffff4d48130 R14: 00007f4a23f14620 R15: 0000000000000003
 </TASK>
INFO: task syz.1.3751:10064 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.3751      state:D stack:28736 pid:10064 tgid:10064 ppid:8451   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:6960
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7017
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0xc69/0x1ca0 kernel/locking/mutex.c:776
 devlink_health_report+0x6b4/0xaa0 net/devlink/health.c:680
 nsim_dev_health_break_write+0x166/0x210 drivers/net/netdevsim/health.c:162
 full_proxy_write+0x131/0x1a0 fs/debugfs/file.c:388
 vfs_write+0x2a0/0x11d0 fs/read_write.c:684
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9c89f8f7c9
RSP: 002b:00007fffe048eb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9c8a1e5fa0 RCX: 00007f9c89f8f7c9
RDX: 00000000000001e1 RSI: 0000200000000080 RDI: 0000000000000003
RBP: 00007f9c8a013f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9c8a1e5fa0 R14: 00007f9c8a1e5fa0 R15: 0000000000000003
 </TASK>
INFO: task syz.3.3776:10094 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.3776      state:D stack:28352 pid:10094 tgid:10094 ppid:8974   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:6960
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7017
 rwsem_down_read_slowpath+0x64b/0xbf0 kernel/locking/rwsem.c:1086
 __down_read_common kernel/locking/rwsem.c:1261 [inline]
 __down_read kernel/locking/rwsem.c:1274 [inline]
 down_read+0xef/0x460 kernel/locking/rwsem.c:1539
 inode_lock_shared include/linux/fs.h:1042 [inline]
 open_last_lookups fs/namei.c:4548 [inline]
 path_openat+0x1248/0x3140 fs/namei.c:4793
 do_filp_open+0x20b/0x470 fs/namei.c:4823
 do_sys_openat2+0x121/0x290 fs/open.c:1430
 do_sys_open fs/open.c:1436 [inline]
 __do_sys_openat fs/open.c:1452 [inline]
 __se_sys_openat fs/open.c:1447 [inline]
 __x64_sys_openat+0x174/0x210 fs/open.c:1447
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6b1bb8f7c9
RSP: 002b:00007fff1988a358 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f6b1bde5fa0 RCX: 00007f6b1bb8f7c9
RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007f6b1bc13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6b1bde5fa0 R14: 00007f6b1bde5fa0 R15: 0000000000000004
 </TASK>
INFO: task syz.0.3778:10096 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.3778      state:D stack:28792 pid:10096 tgid:10096 ppid:9536   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:6960
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7017
 rwsem_down_read_slowpath+0x64b/0xbf0 kernel/locking/rwsem.c:1086
 __down_read_common kernel/locking/rwsem.c:1261 [inline]
 __down_read kernel/locking/rwsem.c:1274 [inline]
 down_read+0xef/0x460 kernel/locking/rwsem.c:1539
 inode_lock_shared include/linux/fs.h:1042 [inline]
 open_last_lookups fs/namei.c:4548 [inline]
 path_openat+0x1248/0x3140 fs/namei.c:4793
 do_filp_open+0x20b/0x470 fs/namei.c:4823
 do_sys_openat2+0x121/0x290 fs/open.c:1430
 do_sys_open fs/open.c:1436 [inline]
 __do_sys_openat fs/open.c:1452 [inline]
 __se_sys_openat fs/open.c:1447 [inline]
 __x64_sys_openat+0x174/0x210 fs/open.c:1447
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6415b8f7c9
RSP: 002b:00007ffd89d46ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f6415de5fa0 RCX: 00007f6415b8f7c9
RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007f6415c13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6415de5fa0 R14: 00007f6415de5fa0 R15: 0000000000000004
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/31:
 #0: ffffffff8e3c9520 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #0: ffffffff8e3c9520 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline]
 #0: ffffffff8e3c9520 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6775
6 locks held by kworker/u8:10/3515:
 #0: ffff88801badf148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232
 #1: ffffc9000c507c90 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233
 #2: ffffffff9012ec90 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xad/0x830 net/core/net_namespace.c:670
 #3: ffff8880329ed0e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:895 [inline]
 #3: ffff8880329ed0e8 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
 #3: ffff8880329ed0e8 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x12c/0x2b0 net/devlink/core.c:506
 #4: ffff8880329ee250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:276 [inline]
 #4: ffff8880329ee250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
 #4: ffff8880329ee250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x136/0x2b0 net/devlink/core.c:506
 #5: ffff88805872b398 (&sb->s_type->i_mutex_key#9/2){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1072 [inline]
 #5: ffff88805872b398 (&sb->s_type->i_mutex_key#9/2){+.+.}-{4:4}, at: __simple_recursive_removal+0x354/0x610 fs/libfs.c:619
2 locks held by getty/5590:
 #0: ffff888035ad50a0 (&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+0x41b/0x1510 drivers/tty/n_tty.c:2211
5 locks held by syz-executor/10045:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff88805d615088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
 #4: ffff8880329ed0e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:895 [inline]
 #4: ffff8880329ed0e8 (&dev->mutex){....}-{4:4}, at: device_del+0xa0/0x9f0 drivers/base/core.c:3840
2 locks held by syz.1.3751/10064:
 #0: ffff88801eab2420 (sb_writers#8){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff8880329ee250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devlink_health_report+0x6b4/0xaa0 net/devlink/health.c:680
2 locks held by syz.3.3776/10094:
 #0: ffff88801eab2420 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:4538 [inline]
 #0: ffff88801eab2420 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x183a/0x3140 fs/namei.c:4793
 #1: ffff88805872b398 (&sb->s_type->i_mutex_key#17){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1042 [inline]
 #1: ffff88805872b398 (&sb->s_type->i_mutex_key#17){++++}-{4:4}, at: open_last_lookups fs/namei.c:4548 [inline]
 #1: ffff88805872b398 (&sb->s_type->i_mutex_key#17){++++}-{4:4}, at: path_openat+0x1248/0x3140 fs/namei.c:4793
2 locks held by syz.0.3778/10096:
 #0: ffff88801eab2420 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:4538 [inline]
 #0: ffff88801eab2420 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x183a/0x3140 fs/namei.c:4793
 #1: ffff88805872b398 (&sb->s_type->i_mutex_key#17){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1042 [inline]
 #1: ffff88805872b398 (&sb->s_type->i_mutex_key#17){++++}-{4:4}, at: open_last_lookups fs/namei.c:4548 [inline]
 #1: ffff88805872b398 (&sb->s_type->i_mutex_key#17){++++}-{4:4}, at: path_openat+0x1248/0x3140 fs/namei.c:4793
4 locks held by syz-executor/10106:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff888058d46888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10109:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff88806b420888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10110:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff888058e14888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10139:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff88807e4a0888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10151:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff888073e57888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10154:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff888076b6a488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10155:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff88805989a088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10188:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff8880768dd488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10200:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff8880332e3888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10203:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff88805d15ac88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10205:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff88805b657c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x133/0x180 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline]
 watchdog+0xe66/0x1180 kernel/hung_task.c:515
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 4869 Comm: kworker/u8:14 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:pmd_index include/linux/pgtable.h:75 [inline]
RIP: 0010:pmd_offset include/linux/pgtable.h:146 [inline]
RIP: 0010:pmd_alloc include/linux/mm.h:3107 [inline]
RIP: 0010:walk_to_pmd+0x2a2/0x4c0 mm/memory.c:2205
Code: 41 81 e4 80 00 00 00 4c 89 e6 e8 e9 f1 b1 ff 4d 85 e4 48 b8 00 f0 ff ff ff ff 0f 00 49 bc 00 00 00 c0 ff ff 0f 00 4c 0f 44 e0 <48> c1 ed 12 e8 f5 f6 b1 ff 4c 89 f8 81 e5 f8 0f 00 00 4c 21 e0 48
RSP: 0018:ffffc9000f0a7848 EFLAGS: 00000246
RAX: 000ffffffffff000 RBX: ffff888000000000 RCX: ffffffff820c6407
RDX: ffff888034fd1e80 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 00002aaaaaaab000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: ffff888034fd29b0 R12: 000ffffffffff000
R13: ffff88813ff62550 R14: ffffffff8dd6c570 R15: 000000013ff63067
FS:  0000000000000000(0000) GS:ffff8881248fa000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c333932a38 CR3: 000000000e184000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __get_locked_pte+0x25/0xc0 mm/memory.c:2216
 get_locked_pte include/linux/mm.h:2984 [inline]
 __text_poke+0x24f/0xb00 arch/x86/kernel/alternative.c:2525
 smp_text_poke_batch_finish+0x652/0xdb0 arch/x86/kernel/alternative.c:2999
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 jump_label_update+0x376/0x550 kernel/jump_label.c:919
 static_key_enable_cpuslocked+0x1b7/0x270 kernel/jump_label.c:210
 static_key_enable+0x1a/0x20 kernel/jump_label.c:223
 toggle_allocation_gate mm/kfence/core.c:874 [inline]
 toggle_allocation_gate+0xfa/0x280 mm/kfence/core.c:866
 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>

final repro crashed as (corrupted=false):
INFO: task kworker/u8:10:3515 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:10   state:D stack:25480 pid:3515  tgid:3515  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:6960
 schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:100 [inline]
 __wait_for_common+0x2fc/0x4e0 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+0x15b/0x610 fs/libfs.c:623
 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+0x144/0x4d0 drivers/net/netdevsim/dev.c:1766
 nsim_dev_reload_down+0x66/0xd0 drivers/net/netdevsim/dev.c:1038
 devlink_reload+0x1a1/0x7c0 net/devlink/dev.c:461
 devlink_pernet_pre_exit+0x1a0/0x2b0 net/devlink/core.c:509
 ops_pre_exit_list net/core/net_namespace.c:161 [inline]
 ops_undo_list+0x187/0xab0 net/core/net_namespace.c:234
 cleanup_net+0x41b/0x830 net/core/net_namespace.c:696
 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
INFO: task syz-executor:10045 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:24552 pid:10045 tgid:10045 ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:6960
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7017
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0xc69/0x1ca0 kernel/locking/mutex.c:776
 device_lock include/linux/device.h:895 [inline]
 device_del+0xa0/0x9f0 drivers/base/core.c:3840
 device_unregister+0x1d/0xe0 drivers/base/core.c:3919
 nsim_bus_dev_del drivers/net/netdevsim/bus.c:491 [inline]
 del_device_store+0x355/0x4a0 drivers/net/netdevsim/bus.c:244
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142
 kernfs_fop_write_iter+0x3af/0x570 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4a2318e27f
RSP: 002b:00007ffff4d480e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4a2318e27f
RDX: 0000000000000001 RSI: 00007ffff4d48130 RDI: 0000000000000005
RBP: 00007f4a232152cb R08: 0000000000000000 R09: 00007ffff4d47f37
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffff4d48130 R14: 00007f4a23f14620 R15: 0000000000000003
 </TASK>
INFO: task syz.1.3751:10064 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.3751      state:D stack:28736 pid:10064 tgid:10064 ppid:8451   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:6960
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7017
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0xc69/0x1ca0 kernel/locking/mutex.c:776
 devlink_health_report+0x6b4/0xaa0 net/devlink/health.c:680
 nsim_dev_health_break_write+0x166/0x210 drivers/net/netdevsim/health.c:162
 full_proxy_write+0x131/0x1a0 fs/debugfs/file.c:388
 vfs_write+0x2a0/0x11d0 fs/read_write.c:684
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9c89f8f7c9
RSP: 002b:00007fffe048eb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9c8a1e5fa0 RCX: 00007f9c89f8f7c9
RDX: 00000000000001e1 RSI: 0000200000000080 RDI: 0000000000000003
RBP: 00007f9c8a013f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9c8a1e5fa0 R14: 00007f9c8a1e5fa0 R15: 0000000000000003
 </TASK>
INFO: task syz.3.3776:10094 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.3776      state:D stack:28352 pid:10094 tgid:10094 ppid:8974   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:6960
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7017
 rwsem_down_read_slowpath+0x64b/0xbf0 kernel/locking/rwsem.c:1086
 __down_read_common kernel/locking/rwsem.c:1261 [inline]
 __down_read kernel/locking/rwsem.c:1274 [inline]
 down_read+0xef/0x460 kernel/locking/rwsem.c:1539
 inode_lock_shared include/linux/fs.h:1042 [inline]
 open_last_lookups fs/namei.c:4548 [inline]
 path_openat+0x1248/0x3140 fs/namei.c:4793
 do_filp_open+0x20b/0x470 fs/namei.c:4823
 do_sys_openat2+0x121/0x290 fs/open.c:1430
 do_sys_open fs/open.c:1436 [inline]
 __do_sys_openat fs/open.c:1452 [inline]
 __se_sys_openat fs/open.c:1447 [inline]
 __x64_sys_openat+0x174/0x210 fs/open.c:1447
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6b1bb8f7c9
RSP: 002b:00007fff1988a358 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f6b1bde5fa0 RCX: 00007f6b1bb8f7c9
RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007f6b1bc13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6b1bde5fa0 R14: 00007f6b1bde5fa0 R15: 0000000000000004
 </TASK>
INFO: task syz.0.3778:10096 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.3778      state:D stack:28792 pid:10096 tgid:10096 ppid:9536   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:6960
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7017
 rwsem_down_read_slowpath+0x64b/0xbf0 kernel/locking/rwsem.c:1086
 __down_read_common kernel/locking/rwsem.c:1261 [inline]
 __down_read kernel/locking/rwsem.c:1274 [inline]
 down_read+0xef/0x460 kernel/locking/rwsem.c:1539
 inode_lock_shared include/linux/fs.h:1042 [inline]
 open_last_lookups fs/namei.c:4548 [inline]
 path_openat+0x1248/0x3140 fs/namei.c:4793
 do_filp_open+0x20b/0x470 fs/namei.c:4823
 do_sys_openat2+0x121/0x290 fs/open.c:1430
 do_sys_open fs/open.c:1436 [inline]
 __do_sys_openat fs/open.c:1452 [inline]
 __se_sys_openat fs/open.c:1447 [inline]
 __x64_sys_openat+0x174/0x210 fs/open.c:1447
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6415b8f7c9
RSP: 002b:00007ffd89d46ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f6415de5fa0 RCX: 00007f6415b8f7c9
RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007f6415c13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6415de5fa0 R14: 00007f6415de5fa0 R15: 0000000000000004
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/31:
 #0: ffffffff8e3c9520 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #0: ffffffff8e3c9520 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline]
 #0: ffffffff8e3c9520 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6775
6 locks held by kworker/u8:10/3515:
 #0: ffff88801badf148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232
 #1: ffffc9000c507c90 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233
 #2: ffffffff9012ec90 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xad/0x830 net/core/net_namespace.c:670
 #3: ffff8880329ed0e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:895 [inline]
 #3: ffff8880329ed0e8 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
 #3: ffff8880329ed0e8 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x12c/0x2b0 net/devlink/core.c:506
 #4: ffff8880329ee250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:276 [inline]
 #4: ffff8880329ee250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
 #4: ffff8880329ee250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x136/0x2b0 net/devlink/core.c:506
 #5: ffff88805872b398 (&sb->s_type->i_mutex_key#9/2){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1072 [inline]
 #5: ffff88805872b398 (&sb->s_type->i_mutex_key#9/2){+.+.}-{4:4}, at: __simple_recursive_removal+0x354/0x610 fs/libfs.c:619
2 locks held by getty/5590:
 #0: ffff888035ad50a0 (&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+0x41b/0x1510 drivers/tty/n_tty.c:2211
5 locks held by syz-executor/10045:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff88805d615088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
 #4: ffff8880329ed0e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:895 [inline]
 #4: ffff8880329ed0e8 (&dev->mutex){....}-{4:4}, at: device_del+0xa0/0x9f0 drivers/base/core.c:3840
2 locks held by syz.1.3751/10064:
 #0: ffff88801eab2420 (sb_writers#8){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff8880329ee250 (&devlink->lock_key#3){+.+.}-{4:4}, at: devlink_health_report+0x6b4/0xaa0 net/devlink/health.c:680
2 locks held by syz.3.3776/10094:
 #0: ffff88801eab2420 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:4538 [inline]
 #0: ffff88801eab2420 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x183a/0x3140 fs/namei.c:4793
 #1: ffff88805872b398 (&sb->s_type->i_mutex_key#17){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1042 [inline]
 #1: ffff88805872b398 (&sb->s_type->i_mutex_key#17){++++}-{4:4}, at: open_last_lookups fs/namei.c:4548 [inline]
 #1: ffff88805872b398 (&sb->s_type->i_mutex_key#17){++++}-{4:4}, at: path_openat+0x1248/0x3140 fs/namei.c:4793
2 locks held by syz.0.3778/10096:
 #0: ffff88801eab2420 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:4538 [inline]
 #0: ffff88801eab2420 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x183a/0x3140 fs/namei.c:4793
 #1: ffff88805872b398 (&sb->s_type->i_mutex_key#17){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1042 [inline]
 #1: ffff88805872b398 (&sb->s_type->i_mutex_key#17){++++}-{4:4}, at: open_last_lookups fs/namei.c:4548 [inline]
 #1: ffff88805872b398 (&sb->s_type->i_mutex_key#17){++++}-{4:4}, at: path_openat+0x1248/0x3140 fs/namei.c:4793
4 locks held by syz-executor/10106:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff888058d46888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10109:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff88806b420888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10110:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff888058e14888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10139:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff88807e4a0888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10151:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff888073e57888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10154:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff888076b6a488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10155:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff88805989a088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10188:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff8880768dd488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10200:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff8880332e3888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10203:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff88805d15ac88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234
4 locks held by syz-executor/10205:
 #0: ffff888031662420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
 #1: ffff88805b657c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888142f50008 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344
 #3: ffffffff8f6bb008 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x133/0x180 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline]
 watchdog+0xe66/0x1180 kernel/hung_task.c:515
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 4869 Comm: kworker/u8:14 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:pmd_index include/linux/pgtable.h:75 [inline]
RIP: 0010:pmd_offset include/linux/pgtable.h:146 [inline]
RIP: 0010:pmd_alloc include/linux/mm.h:3107 [inline]
RIP: 0010:walk_to_pmd+0x2a2/0x4c0 mm/memory.c:2205
Code: 41 81 e4 80 00 00 00 4c 89 e6 e8 e9 f1 b1 ff 4d 85 e4 48 b8 00 f0 ff ff ff ff 0f 00 49 bc 00 00 00 c0 ff ff 0f 00 4c 0f 44 e0 <48> c1 ed 12 e8 f5 f6 b1 ff 4c 89 f8 81 e5 f8 0f 00 00 4c 21 e0 48
RSP: 0018:ffffc9000f0a7848 EFLAGS: 00000246
RAX: 000ffffffffff000 RBX: ffff888000000000 RCX: ffffffff820c6407
RDX: ffff888034fd1e80 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 00002aaaaaaab000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: ffff888034fd29b0 R12: 000ffffffffff000
R13: ffff88813ff62550 R14: ffffffff8dd6c570 R15: 000000013ff63067
FS:  0000000000000000(0000) GS:ffff8881248fa000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c333932a38 CR3: 000000000e184000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __get_locked_pte+0x25/0xc0 mm/memory.c:2216
 get_locked_pte include/linux/mm.h:2984 [inline]
 __text_poke+0x24f/0xb00 arch/x86/kernel/alternative.c:2525
 smp_text_poke_batch_finish+0x652/0xdb0 arch/x86/kernel/alternative.c:2999
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 jump_label_update+0x376/0x550 kernel/jump_label.c:919
 static_key_enable_cpuslocked+0x1b7/0x270 kernel/jump_label.c:210
 static_key_enable+0x1a/0x20 kernel/jump_label.c:223
 toggle_allocation_gate mm/kfence/core.c:874 [inline]
 toggle_allocation_gate+0xfa/0x280 mm/kfence/core.c:866
 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>