ci2 starts bisection 2024-05-31 17:02:23.480852762 +0000 UTC m=+28176.868064998 bisecting fixing commit since 5d96939590c0122be2138255c921e57e3f78b7bd building syzkaller on 3ba885bcb66dec1678d8842ddeb6805786d32a3f ensuring issue is reproducible on original commit 5d96939590c0122be2138255c921e57e3f78b7bd testing commit 5d96939590c0122be2138255c921e57e3f78b7bd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cc806fdfa8aaae164d93ba5e043fee0cc8d6ca3a312a9b9b0f5c53578591a5c4 run #0: crashed: BUG: soft lockup in inet_release run #1: crashed: BUG: soft lockup in ipv6_rcv run #2: crashed: BUG: soft lockup in rcu_core_si run #3: crashed: BUG: soft lockup in rcu_core_si run #4: crashed: BUG: soft lockup in kauditd_thread run #5: crashed: BUG: soft lockup in inet_release run #6: crashed: BUG: soft lockup in inet_release run #7: crashed: BUG: soft lockup in inet_release run #8: crashed: BUG: soft lockup in inet_release run #9: crashed: BUG: soft lockup in ipv6_rcv run #10: crashed: BUG: soft lockup in ipv6_rcv run #11: crashed: BUG: soft lockup in bpf_prog_free_deferred run #12: crashed: BUG: soft lockup in inet_release run #13: crashed: BUG: soft lockup in inet_release run #14: crashed: BUG: soft lockup in ipv6_rcv run #15: crashed: BUG: soft lockup in sk_psock_destroy run #16: crashed: BUG: soft lockup in ipv6_rcv run #17: crashed: BUG: soft lockup in inet_release run #18: crashed: BUG: soft lockup in ipv6_rcv run #19: crashed: BUG: soft lockup in ipv6_rcv representative crash: BUG: soft lockup in inet_release, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 5d96939590c0122be2138255c921e57e3f78b7bd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 61cf7455ccf68e229dc569fdd31ca03c90e91e803427efece4b3294045fd09b9 run #0: crashed: lost connection to test machine run #1: crashed: BUG: soft lockup in corrupted run #2: crashed: BUG: soft lockup in inet_release run #3: crashed: BUG: soft lockup in sock_read_iter run #4: crashed: BUG: soft lockup in ipv6_rcv run #5: crashed: BUG: soft lockup in inet_release run #6: crashed: BUG: soft lockup in inet_release run #7: crashed: BUG: soft lockup in inet_release run #8: crashed: BUG: soft lockup in inet_release run #9: crashed: BUG: soft lockup in ipv6_rcv representative crash: BUG: soft lockup in corrupted, types: [HANG] the bug reproduces without the instrumentation disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed kconfig minimization: base=4920 full=6158 leaves diff=242 split chunks (needed=false): <242> split chunk #0 of len 242 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 5d96939590c0122be2138255c921e57e3f78b7bd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b3d2fdec5c0eacf7b417e060a643f7f423f9f233ec8c661d830052db60d7be39 run #0: crashed: BUG: soft lockup in sys_syslog run #1: crashed: BUG: soft lockup in inet_release run #2: crashed: BUG: soft lockup in inet_release run #3: crashed: BUG: soft lockup in inet_release run #4: crashed: BUG: soft lockup in ipv6_rcv run #5: crashed: BUG: soft lockup in sk_psock_destroy run #6: crashed: BUG: soft lockup in sys_syslog run #7: crashed: BUG: soft lockup in inet_release run #8: crashed: BUG: soft lockup in sys_syslog run #9: crashed: BUG: soft lockup in bpf_prog_free_deferred representative crash: BUG: soft lockup in sys_syslog, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 5d96939590c0122be2138255c921e57e3f78b7bd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5e1a24a576c534d039ff94ec9b1c5d22bbd8bb2dd0a11120ed717757013f57e8 run #0: crashed: BUG: soft lockup in bpf_prog_free_deferred run #1: crashed: BUG: soft lockup in bpf_prog_free_deferred run #2: crashed: BUG: soft lockup in inet_release run #3: crashed: BUG: soft lockup in ipv6_rcv run #4: crashed: BUG: soft lockup in rcu_core_si run #5: crashed: BUG: soft lockup in bpf_map_free_deferred run #6: crashed: BUG: soft lockup in inet_release run #7: crashed: BUG: soft lockup in inet_release run #8: crashed: BUG: soft lockup in rcu_core_si run #9: crashed: no output from test machine representative crash: BUG: soft lockup in bpf_prog_free_deferred, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 5d96939590c0122be2138255c921e57e3f78b7bd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1d376692bf7c51a9631ab5405b9b07dac6fbf74b1609d4d24187b0dbad8902d1 run #0: crashed: BUG: soft lockup in inet_release run #1: crashed: BUG: soft lockup in inet_release run #2: crashed: BUG: soft lockup in ipv6_rcv run #3: crashed: BUG: soft lockup in inet_release run #4: crashed: BUG: soft lockup in ipv6_rcv run #5: crashed: BUG: soft lockup in ipv6_rcv run #6: crashed: BUG: soft lockup in ipv6_rcv run #7: crashed: BUG: soft lockup in rcu_core_si run #8: crashed: no output from test machine run #9: crashed: no output from test machine representative crash: BUG: soft lockup in inet_release, types: [HANG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 5d96939590c0122be2138255c921e57e3f78b7bd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 34c80c5192b7390d1fbe5c13b606fff4a4fc2c72ad2927b10f966a0957e6ddd1 run #0: crashed: BUG: soft lockup in inet_release run #1: crashed: BUG: soft lockup in inet_release run #2: crashed: BUG: soft lockup in inet_release run #3: crashed: BUG: soft lockup in inet_release run #4: crashed: BUG: soft lockup in inet_release run #5: crashed: BUG: soft lockup in inet_release run #6: crashed: BUG: soft lockup in sock_read_iter run #7: crashed: BUG: soft lockup in sock_read_iter run #8: crashed: BUG: soft lockup in inet_release run #9: crashed: BUG: soft lockup in inet_release representative crash: BUG: soft lockup in inet_release, types: [HANG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit 5d96939590c0122be2138255c921e57e3f78b7bd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building 5d96939590c0122be2138255c921e57e3f78b7bd: net/socket.c:1191: undefined reference to `wext_handle_ioctl' net/socket.c:3385: undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:343: undefined reference to `wext_proc_exit' net/core/net-procfs.c:327: undefined reference to `wext_proc_init' minimized to 46 configs; suspects: [HID_ZEROPLUS USB_NET_GL620A USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD USB_OHCI_HCD_PCI USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_PRINTER USB_SERIAL USB_SERIAL_FTDI_SIO USB_SERIAL_GENERIC USB_SERIAL_PL2303 USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_TRANCEVIBRATOR USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_WDM WLAN WLAN_VENDOR_ATH WLAN_VENDOR_ATMEL WLAN_VENDOR_BROADCOM WLAN_VENDOR_INTERSIL WLAN_VENDOR_MARVELL WLAN_VENDOR_MEDIATEK WLAN_VENDOR_MICROCHIP WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_ZYDAS X86_X32 ZEROPLUS_FF] disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing current HEAD 424f92bcbe8fa613ada7aec5ebe4ef434d5e50e4 testing commit 424f92bcbe8fa613ada7aec5ebe4ef434d5e50e4 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c895377e12a1f75dd01eeffb3b643aa9b85e5399cacf73759214bdd4b183f670 run #0: crashed: BUG: soft lockup in rcu_core_si run #1: crashed: BUG: soft lockup in inet_release run #2: crashed: BUG: soft lockup in sock_read_iter run #3: crashed: BUG: soft lockup in bpf_map_free_deferred run #4: crashed: BUG: soft lockup in sys_unlink run #5: crashed: BUG: soft lockup in inet_release run #6: crashed: BUG: soft lockup in ipv6_rcv run #7: crashed: BUG: soft lockup in inet_release run #8: crashed: no output from test machine run #9: crashed: no output from test machine representative crash: BUG: soft lockup in rcu_core_si, types: [HANG] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 1h6m42.134132958s (build: 12m12.398323024s, test: 52m48.29203109s) crash still not fixed or there were kernel test errors commit msg: Merge branch 'android13-5.15' into branch 'android13-5.15-lts' crash: BUG: soft lockup in rcu_core_si watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [ksoftirqd/0:13] Modules linked in: CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 5.15.149-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:90 [inline] RIP: 0010:kvm_wait arch/x86/kernel/kvm.c:918 [inline] RIP: 0010:kvm_wait+0x3e/0x40 arch/x86/kernel/kvm.c:900 Code: 0b fa 0f b6 07 40 38 f0 74 15 fb c3 0f b6 07 40 38 c6 75 f7 66 90 0f 00 2d ed 01 35 01 f4 c3 66 90 0f 00 2d e2 01 35 01 fb f4 90 8b 05 da 3e d7 01 83 f8 ff 74 06 85 c0 0f 95 c0 c3 55 48 89 RSP: 0018:ffffc9000006faa8 EFLAGS: 00000246 RAX: 0000000000000003 RBX: ffff888237c2bf00 RCX: 0000000000000008 RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff88811200ee38 RBP: ffffc9000006fae8 R08: ffff88823fff0a40 R09: 0000000000000000 R10: 0000000000000001 R11: ffff888237c2bf00 R12: ffff88811200ee38 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000100 FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8e6f2f80c0 CR3: 0000000110ba3000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock include/linux/spinlock.h:187 [inline] __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x39/0x40 kernel/locking/spinlock.c:178 sock_hash_delete_elem+0x51/0x100 net/core/sock_map.c:937 bpf_prog_2c29ac5cdc6b1842+0x3a/0x1c8 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:625 [inline] bpf_prog_run include/linux/filter.h:632 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1883 [inline] bpf_trace_run2+0x37/0x90 kernel/trace/bpf_trace.c:1920 __bpf_trace_kfree+0x9/0x10 include/trace/events/kmem.h:118 trace_kfree include/trace/events/kmem.h:118 [inline] kfree+0x1ff/0x2a0 mm/slub.c:4569 sk_psock_free_link include/linux/skmsg.h:420 [inline] sock_map_del_link+0x111/0x1c0 net/core/sock_map.c:160 sock_map_unref+0x2f/0x70 net/core/sock_map.c:182 sock_hash_delete_elem+0xc6/0x100 net/core/sock_map.c:941 bpf_prog_2c29ac5cdc6b1842+0x3a/0x1c8 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:625 [inline] bpf_prog_run include/linux/filter.h:632 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1883 [inline] bpf_trace_run2+0x37/0x90 kernel/trace/bpf_trace.c:1920 __bpf_trace_kfree+0x9/0x10 include/trace/events/kmem.h:118 trace_kfree include/trace/events/kmem.h:118 [inline] kfree+0x1ff/0x2a0 mm/slub.c:4569 fib6_info_destroy_rcu+0x5d/0xb0 net/ipv6/ip6_fib.c:178 rcu_do_batch+0x177/0x4a0 kernel/rcu/tree.c:2523 rcu_core+0x261/0x390 kernel/rcu/tree.c:2763 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2776 __do_softirq+0xff/0x2fc kernel/softirq.c:565 run_ksoftirqd kernel/softirq.c:937 [inline] run_ksoftirqd+0x26/0x30 kernel/softirq.c:929 smpboot_thread_fn+0x17c/0x220 kernel/smpboot.c:164 kthread+0x13a/0x160 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 363 Comm: syz-executor.0 Not tainted 5.15.149-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:90 [inline] RIP: 0010:kvm_wait arch/x86/kernel/kvm.c:918 [inline] RIP: 0010:kvm_wait+0x3e/0x40 arch/x86/kernel/kvm.c:900 Code: 0b fa 0f b6 07 40 38 f0 74 15 fb c3 0f b6 07 40 38 c6 75 f7 66 90 0f 00 2d ed 01 35 01 f4 c3 66 90 0f 00 2d e2 01 35 01 fb f4 90 8b 05 da 3e d7 01 83 f8 ff 74 06 85 c0 0f 95 c0 c3 55 48 89 RSP: 0018:ffffc90000383d08 EFLAGS: 00000246 RAX: 0000000000000003 RBX: ffff888237d2bf00 RCX: 0000000000000008 RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff8881083f8290 RBP: ffffc90000383d48 R08: ffff88823fff0f40 R09: 0000000000000000 R10: 0000000000000001 R11: ffff888237d2bf00 R12: ffff8881083f8290 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000100 FS: 0000555555f85480(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc5984f2a8 CR3: 0000000110ba3000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock include/linux/spinlock.h:187 [inline] __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x39/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:368 [inline] sk_psock_link_pop+0x1b/0x80 net/core/skmsg.c:753 sock_map_remove_links+0x22/0x180 net/core/sock_map.c:1504 sock_map_close+0xab/0x120 net/core/sock_map.c:1546 inet_release+0x3d/0x80 net/ipv4/af_inet.c:434 __sock_release+0x37/0xa0 net/socket.c:649 sock_close+0x10/0x20 net/socket.c:1336 __fput+0xd5/0x260 fs/file_table.c:280 ____fput+0x9/0x10 fs/file_table.c:308 task_work_run+0x5c/0x90 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x140/0x150 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x21/0x40 kernel/entry/common.c:301 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f8e6f1ccd9a Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24 RSP: 002b:00007ffc5984f110 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f8e6f1ccd9a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f8e6f2fd980 R08: 00007f8e6f150000 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000293 R12: 000000000000b833 R13: 000000000000b60d R14: 00007ffc5984f2d0 R15: 00007f8e6f184cb0