memory leak in nr_rx

memory leak in nr_rx_frame (2)
Status: upstream: reported C repro on 2019/08/30 19:28
Reported-by: syzbot+0145ea560de205bc09f0@syzkaller.appspotmail.com
First crash: 516d, last: 10d

similar bugs (1):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	memory leak in nr_rx_frame	C			5	547d	610d	13/18	fixed on 2019/08/05 13:45

Sample crash report:

BUG: memory leak
unreferenced object 0xffff888114814800 (size 2048):
  comm "softirq", pid 0, jiffies 4294949797 (age 24.550s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    06 00 07 40 00 00 00 00 00 00 00 00 00 00 00 00  ...@............
  backtrace:
    [<000000006e79745c>] kmalloc include/linux/slab.h:557 [inline]
    [<000000006e79745c>] sk_prot_alloc+0xdf/0x1c0 net/core/sock.c:1685
    [<0000000000e672ab>] sk_alloc+0x30/0x3f0 net/core/sock.c:1739
    [<00000000b518923e>] nr_make_new net/netrom/af_netrom.c:476 [inline]
    [<00000000b518923e>] nr_rx_frame+0x5c7/0xcb0 net/netrom/af_netrom.c:959
    [<0000000088538fbf>] nr_loopback_timer+0x4a/0xe0 net/netrom/nr_loopback.c:59
    [<00000000f134dd75>] call_timer_fn+0x38/0x200 kernel/time/timer.c:1417
    [<00000000b4f57e9d>] expire_timers kernel/time/timer.c:1462 [inline]
    [<00000000b4f57e9d>] __run_timers.part.0+0x319/0x400 kernel/time/timer.c:1731
    [<000000008ba761d5>] __run_timers kernel/time/timer.c:1712 [inline]
    [<000000008ba761d5>] run_timer_softirq+0x3d/0x80 kernel/time/timer.c:1744
    [<0000000062ab5977>] __do_softirq+0xd1/0x2c9 kernel/softirq.c:343
    [<0000000023a613c6>] asm_call_irq_on_stack+0xf/0x20
    [<000000000bb7570a>] __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
    [<000000000bb7570a>] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
    [<000000000bb7570a>] do_softirq_own_stack+0x32/0x40 arch/x86/kernel/irq_64.c:77
    [<000000009b82b03c>] invoke_softirq kernel/softirq.c:226 [inline]
    [<000000009b82b03c>] __irq_exit_rcu kernel/softirq.c:420 [inline]
    [<000000009b82b03c>] irq_exit_rcu+0x93/0xc0 kernel/softirq.c:432
    [<00000000c01cfed8>] sysvec_apic_timer_interrupt+0x36/0x80 arch/x86/kernel/apic/apic.c:1096
    [<00000000c898114a>] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628
    [<00000000264bad8c>] preempt_count arch/x86/include/asm/preempt.h:26 [inline]
    [<00000000264bad8c>] check_kcov_mode kernel/kcov.c:163 [inline]
    [<00000000264bad8c>] __sanitizer_cov_trace_pc+0x7/0x60 kernel/kcov.c:197
    [<00000000d123263e>] tomoyo_domain_quota_is_ok+0x14f/0x1c0 security/tomoyo/util.c:1092
    [<0000000003d29c51>] tomoyo_supervisor+0x183/0x8e0 security/tomoyo/common.c:2089

BUG: memory leak
unreferenced object 0xffff888118a3e620 (size 32):
  comm "softirq", pid 0, jiffies 4294949797 (age 24.550s)
  hex dump (first 32 bytes):
    b0 7e 93 00 81 88 ff ff 00 00 00 00 00 00 00 00  .~..............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000008ca07752>] kmalloc include/linux/slab.h:552 [inline]
    [<000000008ca07752>] kzalloc include/linux/slab.h:682 [inline]
    [<000000008ca07752>] apparmor_sk_alloc_security+0x4c/0x90 security/apparmor/lsm.c:776
    [<00000000a13ef27f>] security_sk_alloc+0x31/0x70 security/security.c:2197
    [<0000000013e0c4ac>] sk_prot_alloc+0x15d/0x1c0 net/core/sock.c:1688
    [<0000000000e672ab>] sk_alloc+0x30/0x3f0 net/core/sock.c:1739
    [<00000000b518923e>] nr_make_new net/netrom/af_netrom.c:476 [inline]
    [<00000000b518923e>] nr_rx_frame+0x5c7/0xcb0 net/netrom/af_netrom.c:959
    [<0000000088538fbf>] nr_loopback_timer+0x4a/0xe0 net/netrom/nr_loopback.c:59
    [<00000000f134dd75>] call_timer_fn+0x38/0x200 kernel/time/timer.c:1417
    [<00000000b4f57e9d>] expire_timers kernel/time/timer.c:1462 [inline]
    [<00000000b4f57e9d>] __run_timers.part.0+0x319/0x400 kernel/time/timer.c:1731
    [<000000008ba761d5>] __run_timers kernel/time/timer.c:1712 [inline]
    [<000000008ba761d5>] run_timer_softirq+0x3d/0x80 kernel/time/timer.c:1744
    [<0000000062ab5977>] __do_softirq+0xd1/0x2c9 kernel/softirq.c:343
    [<0000000023a613c6>] asm_call_irq_on_stack+0xf/0x20
    [<000000000bb7570a>] __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
    [<000000000bb7570a>] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
    [<000000000bb7570a>] do_softirq_own_stack+0x32/0x40 arch/x86/kernel/irq_64.c:77
    [<000000009b82b03c>] invoke_softirq kernel/softirq.c:226 [inline]
    [<000000009b82b03c>] __irq_exit_rcu kernel/softirq.c:420 [inline]
    [<000000009b82b03c>] irq_exit_rcu+0x93/0xc0 kernel/softirq.c:432
    [<00000000c01cfed8>] sysvec_apic_timer_interrupt+0x36/0x80 arch/x86/kernel/apic/apic.c:1096
    [<00000000c898114a>] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628
    [<00000000264bad8c>] preempt_count arch/x86/include/asm/preempt.h:26 [inline]
    [<00000000264bad8c>] check_kcov_mode kernel/kcov.c:163 [inline]
    [<00000000264bad8c>] __sanitizer_cov_trace_pc+0x7/0x60 kernel/kcov.c:197

BUG: memory leak
unreferenced object 0xffff88811819b800 (size 2048):
  comm "softirq", pid 0, jiffies 4294949929 (age 23.240s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    06 00 07 40 00 00 00 00 00 00 00 00 00 00 00 00  ...@............
  backtrace:
    [<000000006e79745c>] kmalloc include/linux/slab.h:557 [inline]
    [<000000006e79745c>] sk_prot_alloc+0xdf/0x1c0 net/core/sock.c:1685
    [<0000000000e672ab>] sk_alloc+0x30/0x3f0 net/core/sock.c:1739
    [<00000000b518923e>] nr_make_new net/netrom/af_netrom.c:476 [inline]
    [<00000000b518923e>] nr_rx_frame+0x5c7/0xcb0 net/netrom/af_netrom.c:959
    [<0000000088538fbf>] nr_loopback_timer+0x4a/0xe0 net/netrom/nr_loopback.c:59
    [<00000000f134dd75>] call_timer_fn+0x38/0x200 kernel/time/timer.c:1417
    [<00000000b4f57e9d>] expire_timers kernel/time/timer.c:1462 [inline]
    [<00000000b4f57e9d>] __run_timers.part.0+0x319/0x400 kernel/time/timer.c:1731
    [<000000008ba761d5>] __run_timers kernel/time/timer.c:1712 [inline]
    [<000000008ba761d5>] run_timer_softirq+0x3d/0x80 kernel/time/timer.c:1744
    [<0000000062ab5977>] __do_softirq+0xd1/0x2c9 kernel/softirq.c:343
    [<0000000023a613c6>] asm_call_irq_on_stack+0xf/0x20
    [<000000000bb7570a>] __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
    [<000000000bb7570a>] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
    [<000000000bb7570a>] do_softirq_own_stack+0x32/0x40 arch/x86/kernel/irq_64.c:77
    [<000000009b82b03c>] invoke_softirq kernel/softirq.c:226 [inline]
    [<000000009b82b03c>] __irq_exit_rcu kernel/softirq.c:420 [inline]
    [<000000009b82b03c>] irq_exit_rcu+0x93/0xc0 kernel/softirq.c:432
    [<00000000c01cfed8>] sysvec_apic_timer_interrupt+0x36/0x80 arch/x86/kernel/apic/apic.c:1096
    [<00000000c898114a>] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628
    [<00000000be7e6fe1>] native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline]
    [<00000000be7e6fe1>] arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline]
    [<00000000be7e6fe1>] acpi_safe_halt drivers/acpi/processor_idle.c:110 [inline]
    [<00000000be7e6fe1>] acpi_idle_do_entry+0xc3/0xd0 drivers/acpi/processor_idle.c:516
    [<00000000858c46af>] acpi_idle_enter+0x128/0x1f0 drivers/acpi/processor_idle.c:647
    [<000000004cbc8501>] cpuidle_enter_state+0xc9/0x650 drivers/cpuidle/cpuidle.c:237

BUG: memory leak
unreferenced object 0xffff88811411d700 (size 256):
  comm "syz-executor108", pid 8475, jiffies 4294949096 (age 40.700s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 0a 00 00 00 00 00 1e 0d 81 88 ff ff  ................
  backtrace:
    [<0000000043eece2f>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000043eece2f>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000043eece2f>] rxrpc_alloc_local net/rxrpc/local_object.c:79 [inline]
    [<0000000043eece2f>] rxrpc_lookup_local+0x1c1/0x760 net/rxrpc/local_object.c:244
    [<000000008fec6e1e>] rxrpc_bind+0x174/0x240 net/rxrpc/af_rxrpc.c:149
    [<00000000562677a3>] afs_open_socket+0xdb/0x200 fs/afs/rxrpc.c:64
    [<00000000c4faedca>] afs_net_init+0x2b4/0x340 fs/afs/main.c:126
    [<000000002df6c340>] ops_init+0x4e/0x190 net/core/net_namespace.c:152
    [<000000000c97bfcd>] setup_net+0xde/0x2d0 net/core/net_namespace.c:342
    [<00000000262decad>] copy_net_ns+0x19f/0x3e0 net/core/net_namespace.c:483
    [<0000000081e98783>] create_new_namespaces+0x199/0x4f0 kernel/nsproxy.c:110
    [<000000006f6f3084>] unshare_nsproxy_namespaces+0x9b/0x120 kernel/nsproxy.c:226
    [<000000005db0f232>] ksys_unshare+0x2fe/0x5c0 kernel/fork.c:2957
    [<000000007ed094ec>] __do_sys_unshare kernel/fork.c:3025 [inline]
    [<000000007ed094ec>] __se_sys_unshare kernel/fork.c:3023 [inline]
    [<000000007ed094ec>] __x64_sys_unshare+0x12/0x20 kernel/fork.c:3023
    [<00000000ab618484>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000ed81d2df>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811411d700 (size 256):
  comm "syz-executor108", pid 8475, jiffies 4294949096 (age 40.780s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 0a 00 00 00 00 00 1e 0d 81 88 ff ff  ................
  backtrace:
    [<0000000043eece2f>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000043eece2f>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000043eece2f>] rxrpc_alloc_local net/rxrpc/local_object.c:79 [inline]
    [<0000000043eece2f>] rxrpc_lookup_local+0x1c1/0x760 net/rxrpc/local_object.c:244
    [<000000008fec6e1e>] rxrpc_bind+0x174/0x240 net/rxrpc/af_rxrpc.c:149
    [<00000000562677a3>] afs_open_socket+0xdb/0x200 fs/afs/rxrpc.c:64
    [<00000000c4faedca>] afs_net_init+0x2b4/0x340 fs/afs/main.c:126
    [<000000002df6c340>] ops_init+0x4e/0x190 net/core/net_namespace.c:152
    [<000000000c97bfcd>] setup_net+0xde/0x2d0 net/core/net_namespace.c:342
    [<00000000262decad>] copy_net_ns+0x19f/0x3e0 net/core/net_namespace.c:483
    [<0000000081e98783>] create_new_namespaces+0x199/0x4f0 kernel/nsproxy.c:110
    [<000000006f6f3084>] unshare_nsproxy_namespaces+0x9b/0x120 kernel/nsproxy.c:226
    [<000000005db0f232>] ksys_unshare+0x2fe/0x5c0 kernel/fork.c:2957
    [<000000007ed094ec>] __do_sys_unshare kernel/fork.c:3025 [inline]
    [<000000007ed094ec>] __se_sys_unshare kernel/fork.c:3023 [inline]
    [<000000007ed094ec>] __x64_sys_unshare+0x12/0x20 kernel/fork.c:3023
    [<00000000ab618484>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000ed81d2df>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811411d700 (size 256):
  comm "syz-executor108", pid 8475, jiffies 4294949096 (age 40.860s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 0a 00 00 00 00 00 1e 0d 81 88 ff ff  ................
  backtrace:
    [<0000000043eece2f>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000043eece2f>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000043eece2f>] rxrpc_alloc_local net/rxrpc/local_object.c:79 [inline]
    [<0000000043eece2f>] rxrpc_lookup_local+0x1c1/0x760 net/rxrpc/local_object.c:244
    [<000000008fec6e1e>] rxrpc_bind+0x174/0x240 net/rxrpc/af_rxrpc.c:149
    [<00000000562677a3>] afs_open_socket+0xdb/0x200 fs/afs/rxrpc.c:64
    [<00000000c4faedca>] afs_net_init+0x2b4/0x340 fs/afs/main.c:126
    [<000000002df6c340>] ops_init+0x4e/0x190 net/core/net_namespace.c:152
    [<000000000c97bfcd>] setup_net+0xde/0x2d0 net/core/net_namespace.c:342
    [<00000000262decad>] copy_net_ns+0x19f/0x3e0 net/core/net_namespace.c:483
    [<0000000081e98783>] create_new_namespaces+0x199/0x4f0 kernel/nsproxy.c:110
    [<000000006f6f3084>] unshare_nsproxy_namespaces+0x9b/0x120 kernel/nsproxy.c:226
    [<000000005db0f232>] ksys_unshare+0x2fe/0x5c0 kernel/fork.c:2957
    [<000000007ed094ec>] __do_sys_unshare kernel/fork.c:3025 [inline]
    [<000000007ed094ec>] __se_sys_unshare kernel/fork.c:3023 [inline]
    [<000000007ed094ec>] __x64_sys_unshare+0x12/0x20 kernel/fork.c:3023
    [<00000000ab618484>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000ed81d2df>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811411d700 (size 256):
  comm "syz-executor108", pid 8475, jiffies 4294949096 (age 40.940s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 0a 00 00 00 00 00 1e 0d 81 88 ff ff  ................
  backtrace:
    [<0000000043eece2f>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000043eece2f>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000043eece2f>] rxrpc_alloc_local net/rxrpc/local_object.c:79 [inline]
    [<0000000043eece2f>] rxrpc_lookup_local+0x1c1/0x760 net/rxrpc/local_object.c:244
    [<000000008fec6e1e>] rxrpc_bind+0x174/0x240 net/rxrpc/af_rxrpc.c:149
    [<00000000562677a3>] afs_open_socket+0xdb/0x200 fs/afs/rxrpc.c:64
    [<00000000c4faedca>] afs_net_init+0x2b4/0x340 fs/afs/main.c:126
    [<000000002df6c340>] ops_init+0x4e/0x190 net/core/net_namespace.c:152
    [<000000000c97bfcd>] setup_net+0xde/0x2d0 net/core/net_namespace.c:342
    [<00000000262decad>] copy_net_ns+0x19f/0x3e0 net/core/net_namespace.c:483
    [<0000000081e98783>] create_new_namespaces+0x199/0x4f0 kernel/nsproxy.c:110
    [<000000006f6f3084>] unshare_nsproxy_namespaces+0x9b/0x120 kernel/nsproxy.c:226
    [<000000005db0f232>] ksys_unshare+0x2fe/0x5c0 kernel/fork.c:2957
    [<000000007ed094ec>] __do_sys_unshare kernel/fork.c:3025 [inline]
    [<000000007ed094ec>] __se_sys_unshare kernel/fork.c:3023 [inline]
    [<000000007ed094ec>] __x64_sys_unshare+0x12/0x20 kernel/fork.c:3023
    [<00000000ab618484>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000ed81d2df>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811411d700 (size 256):
  comm "syz-executor108", pid 8475, jiffies 4294949096 (age 41.020s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 0a 00 00 00 00 00 1e 0d 81 88 ff ff  ................
  backtrace:
    [<0000000043eece2f>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000043eece2f>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000043eece2f>] rxrpc_alloc_local net/rxrpc/local_object.c:79 [inline]
    [<0000000043eece2f>] rxrpc_lookup_local+0x1c1/0x760 net/rxrpc/local_object.c:244
    [<000000008fec6e1e>] rxrpc_bind+0x174/0x240 net/rxrpc/af_rxrpc.c:149
    [<00000000562677a3>] afs_open_socket+0xdb/0x200 fs/afs/rxrpc.c:64
    [<00000000c4faedca>] afs_net_init+0x2b4/0x340 fs/afs/main.c:126
    [<000000002df6c340>] ops_init+0x4e/0x190 net/core/net_namespace.c:152
    [<000000000c97bfcd>] setup_net+0xde/0x2d0 net/core/net_namespace.c:342
    [<00000000262decad>] copy_net_ns+0x19f/0x3e0 net/core/net_namespace.c:483
    [<0000000081e98783>] create_new_namespaces+0x199/0x4f0 kernel/nsproxy.c:110
    [<000000006f6f3084>] unshare_nsproxy_namespaces+0x9b/0x120 kernel/nsproxy.c:226
    [<000000005db0f232>] ksys_unshare+0x2fe/0x5c0 kernel/fork.c:2957
    [<000000007ed094ec>] __do_sys_unshare kernel/fork.c:3025 [inline]
    [<000000007ed094ec>] __se_sys_unshare kernel/fork.c:3023 [inline]
    [<000000007ed094ec>] __x64_sys_unshare+0x12/0x20 kernel/fork.c:3023
    [<00000000ab618484>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000ed81d2df>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811411d700 (size 256):
  comm "syz-executor108", pid 8475, jiffies 4294949096 (age 41.100s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 0a 00 00 00 00 00 1e 0d 81 88 ff ff  ................
  backtrace:
    [<0000000043eece2f>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000043eece2f>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000043eece2f>] rxrpc_alloc_local net/rxrpc/local_object.c:79 [inline]
    [<0000000043eece2f>] rxrpc_lookup_local+0x1c1/0x760 net/rxrpc/local_object.c:244
    [<000000008fec6e1e>] rxrpc_bind+0x174/0x240 net/rxrpc/af_rxrpc.c:149
    [<00000000562677a3>] afs_open_socket+0xdb/0x200 fs/afs/rxrpc.c:64
    [<00000000c4faedca>] afs_net_init+0x2b4/0x340 fs/afs/main.c:126
    [<000000002df6c340>] ops_init+0x4e/0x190 net/core/net_namespace.c:152
    [<000000000c97bfcd>] setup_net+0xde/0x2d0 net/core/net_namespace.c:342
    [<00000000262decad>] copy_net_ns+0x19f/0x3e0 net/core/net_namespace.c:483
    [<0000000081e98783>] create_new_namespaces+0x199/0x4f0 kernel/nsproxy.c:110
    [<000000006f6f3084>] unshare_nsproxy_namespaces+0x9b/0x120 kernel/nsproxy.c:226
    [<000000005db0f232>] ksys_unshare+0x2fe/0x5c0 kernel/fork.c:2957
    [<000000007ed094ec>] __do_sys_unshare kernel/fork.c:3025 [inline]
    [<000000007ed094ec>] __se_sys_unshare kernel/fork.c:3023 [inline]
    [<000000007ed094ec>] __x64_sys_unshare+0x12/0x20 kernel/fork.c:3023
    [<00000000ab618484>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000ed81d2df>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811411d700 (size 256):
  comm "syz-executor108", pid 8475, jiffies 4294949096 (age 41.180s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 0a 00 00 00 00 00 1e 0d 81 88 ff ff  ................
  backtrace:
    [<0000000043eece2f>] kmalloc include/linux/slab.h:552 [inline]
    [<0000000043eece2f>] kzalloc include/linux/slab.h:682 [inline]
    [<0000000043eece2f>] rxrpc_alloc_local net/rxrpc/local_object.c:79 [inline]
    [<0000000043eece2f>] rxrpc_lookup_local+0x1c1/0x760 net/rxrpc/local_object.c:244
    [<000000008fec6e1e>] rxrpc_bind+0x174/0x240 net/rxrpc/af_rxrpc.c:149
    [<00000000562677a3>] afs_open_socket+0xdb/0x200 fs/afs/rxrpc.c:64
    [<00000000c4faedca>] afs_net_init+0x2b4/0x340 fs/afs/main.c:126
    [<000000002df6c340>] ops_init+0x4e/0x190 net/core/net_namespace.c:152
    [<000000000c97bfcd>] setup_net+0xde/0x2d0 net/core/net_namespace.c:342
    [<00000000262decad>] copy_net_ns+0x19f/0x3e0 net/core/net_namespace.c:483
    [<0000000081e98783>] create_new_namespaces+0x199/0x4f0 kernel/nsproxy.c:110
    [<000000006f6f3084>] unshare_nsproxy_namespaces+0x9b/0x120 kernel/nsproxy.c:226
    [<000000005db0f232>] ksys_unshare+0x2fe/0x5c0 kernel/fork.c:2957
    [<000000007ed094ec>] __do_sys_unshare kernel/fork.c:3025 [inline]
    [<000000007ed094ec>] __se_sys_unshare kernel/fork.c:3023 [inline]
    [<000000007ed094ec>] __x64_sys_unshare+0x12/0x20 kernel/fork.c:3023
    [<00000000ab618484>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000ed81d2df>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

Crashes (89):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Maintainers
ci-upstream-gce-leak	2021/01/17 07:36	upstream	0da0a8a0	65a7a854	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/12/12 05:22	upstream	33dc9614	ba24ffcd	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/11/11 20:58	upstream	eccc8767	cca87986	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/09/21 13:51	upstream	ba4f184e	9e1fa68e	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/09/12 11:29	upstream	e8878ab8	79fb24e2	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/08/25 12:03	upstream	6a9dc5fd	344da168	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/08/24 23:50	upstream	d012a719	67b599d1	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/08/19 21:21	upstream	18445bf4	94b45706	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/08/15 07:15	upstream	7fca4dee	424dd8e7	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/08/10 11:45	upstream	9420f1ce	70301872	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/08/06 07:37	upstream	fffe3ae0	0487ea6f	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/08/06 02:42	upstream	fffe3ae0	0487ea6f	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/08/03 23:04	upstream	bcf87687	196277c4	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/08/01 03:37	upstream	d8b9faec	d895b3be	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/07/29 20:06	upstream	6ba1b005	19a8de55	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/07/26 22:36	upstream	04300d66	51265195	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/07/22 17:47	upstream	4fa640dc	128cd85f	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/07/20 07:28	upstream	92188b41	9c812472	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/07/17 23:15	upstream	88825726	9c812472	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/07/14 22:22	upstream	0dc589da	609fb517	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/07/12 10:28	upstream	0aea6d5c	115e1930	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/07/11 12:40	upstream	a581387e	18d18b59	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/07/09 10:51	upstream	0bddd227	bc238812	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/07/07 12:40	upstream	7cc2a8ea	51095195	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/06/13 14:34	upstream	7ae77150	f4724dd3	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/05/08 10:53	upstream	6e7f2eac	6c70a1c2	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/04/11 07:35	upstream	ab6f762f	a8c6a3f8	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/04/03 04:11	upstream	7be97138	a34e2c33	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/03/29 11:00	upstream	906c4043	05736b29	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/03/26 01:16	upstream	e2cf67f6	41f049cc	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/03/16 02:20	upstream	a42a7bb6	749688d2	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/03/13 04:22	upstream	3cc6e2c5	d850e9d0	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/03/08 06:39	upstream	c2003765	2e9971bb	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/02/19 07:33	upstream	2b72104b	135c18aa	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/02/15 04:27	upstream	2019fc96	5d7b90f1	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/02/13 23:42	upstream	0bf999f9	c5ed587f	.config	log	report	syz	C	davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/12/18 13:33	upstream	2187f215	f2fe0772	.config	log	report	syz	C	davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/11/30 11:07	upstream	81b6b964	3a75be00	.config	log	report	syz	C	davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/11/30 09:13	upstream	81b6b964	3a75be00	.config	log	report	syz	C	davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/11/26 12:16	upstream	0be0ee71	f746151a	.config	log	report	syz	C	davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/11/25 05:48	upstream	219d5433	598ca6c8	.config	log	report	syz	C	davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/10/27 03:12	upstream	f877bee5	25bb509e	.config	log	report	syz	C	davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/10/18 21:30	upstream	0e2adab6	8c88c9c1	.config	log	report	syz	C	davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/10/15 20:42	upstream	5bc52f64	b5268b89	.config	log	report	syz	C	davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/09/29 12:12	upstream	02dc96ef	c1ad5441	.config	log	report	syz	C	davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/09/25 08:23	upstream	351c8a09	e38a6630	.config	log	report	syz	C	davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/09/03 14:35	upstream	089cf7f6	48448e71	.config	log	report	syz	C	davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/12/23 23:51	upstream	614cb589	c2c1d1dd	.config	log	report	syz		davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/11/15 23:45	upstream	0062442e	1bf9a662	.config	log	report	syz		davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/11/04 14:27	upstream	4ef8451b	cba33199	.config	log	report	syz		davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/09/21 23:31	upstream	ba4f184e	9e1fa68e	.config	log	report	syz		davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/07/10 17:55	upstream	42f82040	edf162e8	.config	log	report	syz		davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/05/21 18:20	upstream	b85051e7	1f30020f	.config	log	report	syz		davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/05/13 14:11	upstream	24085f70	9a6d42fb	.config	log	report	syz		davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/04/16 03:54	upstream	00086336	3f3c5574	.config	log	report	syz		davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/04/12 13:23	upstream	b032227c	36b0b050	.config	log	report	syz		davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/03/31 05:07	upstream	673b41e0	c8d1cc20	.config	log	report	syz		davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/03/26 13:11	upstream	1b649e0b	e8e6c7d2	.config	log	report	syz		davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/03/22 13:11	upstream	b74b991f	78267cec	.config	log	report	syz		davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2020/03/20 23:06	upstream	6c90b86a	2c31c529	.config	log	report	syz		davem@davemloft.net, kuba@kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/11/18 11:19	upstream	cbb104f9	d5696d51	.config	log	report	syz		davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/11/16 14:56	upstream	6c9594bd	d5696d51	.config	log	report	syz		davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/11/07 06:36	upstream	4dd58158	d797d201	.config	log	report	syz		davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/10/26 14:27	upstream	8caacaad	413926c5	.config	log	report	syz		davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/10/16 03:13	upstream	3b1f00ac	d4ea592f	.config	log	report	syz		davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/10/15 08:57	upstream	5bc52f64	05ad7292	.config	log	report	syz		davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/09/07 00:04	upstream	04459710	a60cb4cd	.config	log	report	syz		davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/08/30 06:14	upstream	6525771f	fd37b39e	.config	log	report	syz		davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org
ci-upstream-gce-leak	2019/08/29 23:53	upstream	6525771f	fd37b39e	.config	log	report	syz		davem@davemloft.net, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ralf@linux-mips.org