ci2 starts bisection 2024-09-12 14:08:48.303352021 +0000 UTC m=+17719.034281260 bisecting fixing commit since db06c48ab67eb5db1ac64a0210d77742e335537a building syzkaller on 0f90262589ccdf81ff02549bb70e898886f75852 ensuring issue is reproducible on original commit db06c48ab67eb5db1ac64a0210d77742e335537a testing commit db06c48ab67eb5db1ac64a0210d77742e335537a gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ca8a66ae308d9fc2c081289b743cb3f9dbc8076929b24b9adc8dacfe710d59e0 run #0: crashed: BUG: soft lockup in sys_syslog run #1: crashed: BUG: soft lockup in rcu_core_si run #2: crashed: BUG: soft lockup in kauditd_thread run #3: crashed: BUG: soft lockup in rcu_core_si run #4: crashed: BUG: soft lockup in sys_bpf run #5: crashed: BUG: soft lockup in sys_syslog run #6: crashed: BUG: soft lockup in cleanup_net run #7: crashed: BUG: soft lockup in sock_read_iter run #8: crashed: BUG: soft lockup in sys_bpf 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 sys_bpf run #12: crashed: BUG: soft lockup in rcu_core_si run #13: crashed: BUG: soft lockup in sys_bpf run #14: crashed: BUG: soft lockup in kauditd_thread run #15: crashed: BUG: soft lockup in rcu_core_si run #16: crashed: BUG: soft lockup in sys_bpf run #17: crashed: BUG: soft lockup in cleanup_net run #18: crashed: BUG: soft lockup in sys_bpf run #19: crashed: no output from test machine representative crash: BUG: soft lockup in sys_syslog, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit db06c48ab67eb5db1ac64a0210d77742e335537a gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 880b3569db18244cd92d23de1677e575bf6d45e09c1d1989816d1e36a29fbedd run #0: crashed: BUG: soft lockup in sys_bpf run #1: crashed: BUG: soft lockup in sys_syslog run #2: crashed: BUG: soft lockup in sys_bpf run #3: crashed: BUG: soft lockup in cleanup_net run #4: crashed: BUG: soft lockup in kernfs_fop_open run #5: crashed: BUG: soft lockup in ip_rcv run #6: crashed: BUG: soft lockup in ipv6_rcv run #7: crashed: BUG: soft lockup in sys_lsetxattr run #8: crashed: BUG: soft lockup in sys_bpf run #9: crashed: BUG: soft lockup in sys_sendmsg representative crash: BUG: soft lockup in sys_bpf, types: [HANG] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], 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 [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit db06c48ab67eb5db1ac64a0210d77742e335537a gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0e66a5f7efe100c80eaf61a5b4a82bd167f141838a5fda129bbd20e9144b0734 run #0: crashed: BUG: soft lockup in sys_bpf run #1: crashed: BUG: soft lockup in kauditd_thread run #2: crashed: BUG: soft lockup in ipv6_rcv run #3: crashed: BUG: soft lockup in sys_bpf run #4: crashed: BUG: soft lockup in sys_syslog run #5: crashed: BUG: soft lockup in kernfs_fop_open run #6: crashed: BUG: soft lockup in cleanup_net run #7: crashed: BUG: soft lockup in kernfs_fop_open run #8: crashed: BUG: soft lockup in sys_bpf run #9: crashed: BUG: soft lockup in cleanup_net representative crash: BUG: soft lockup in sys_bpf, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit db06c48ab67eb5db1ac64a0210d77742e335537a gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 24c396239b59f3a444ee78299496a63a24d7d2e768d6878226910b2f009d45b5 run #0: crashed: BUG: soft lockup in ipv6_rcv run #1: crashed: BUG: soft lockup in sock_read_iter run #2: crashed: BUG: soft lockup in sys_bpf run #3: crashed: BUG: soft lockup in sys_rename run #4: crashed: BUG: soft lockup in sys_syslog run #5: crashed: BUG: soft lockup in sys_bpf run #6: crashed: BUG: soft lockup in sys_bpf run #7: crashed: BUG: soft lockup in sys_rename run #8: crashed: BUG: soft lockup in sys_bpf run #9: crashed: BUG: soft lockup in sys_bpf representative crash: BUG: soft lockup in ipv6_rcv, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit db06c48ab67eb5db1ac64a0210d77742e335537a gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cd3d658362659a469d64fa1f76b49dd40ccc85b1848eaee9d46dc11394e982bf run #0: crashed: BUG: soft lockup in kauditd_thread run #1: crashed: BUG: soft lockup in cleanup_net run #2: crashed: BUG: soft lockup in sys_bpf run #3: crashed: BUG: soft lockup in linkwatch_event run #4: crashed: BUG: soft lockup in sys_bpf run #5: crashed: BUG: soft lockup in sys_bpf run #6: crashed: BUG: soft lockup in sys_bpf run #7: crashed: BUG: soft lockup in sys_bpf run #8: crashed: no output from test machine run #9: crashed: no output from test machine representative crash: BUG: soft lockup in kauditd_thread, 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 db06c48ab67eb5db1ac64a0210d77742e335537a gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 859b771fdf3eafac654cdf757baba1e92352e93bad7e28b0abbdd45f06791f01 run #0: crashed: BUG: soft lockup in sys_bpf run #1: crashed: BUG: soft lockup in bpf_prog_free_deferred run #2: crashed: BUG: soft lockup in wg_packet_handshake_receive_worker run #3: crashed: BUG: soft lockup in sys_bpf run #4: crashed: BUG: soft lockup in sys_syslog run #5: crashed: BUG: soft lockup in sys_bpf run #6: crashed: BUG: soft lockup in sys_bpf run #7: crashed: BUG: soft lockup in kernfs_fop_read_iter run #8: crashed: no output from test machine run #9: crashed: no output from test machine representative crash: BUG: soft lockup in sys_bpf, types: [HANG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit db06c48ab67eb5db1ac64a0210d77742e335537a gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building db06c48ab67eb5db1ac64a0210d77742e335537a: 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 e6fb3b0fa87f1fe127bc20a5038d8e8e08e57cf7 testing commit e6fb3b0fa87f1fe127bc20a5038d8e8e08e57cf7 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fb6bb6dc5f72bae4f38f5e328b979a23afd190442fabc2cb9e684a968c3cb880 run #0: crashed: BUG: soft lockup in x64_sys_call run #1: crashed: BUG: soft lockup in x64_sys_call run #2: crashed: BUG: soft lockup in x64_sys_call run #3: crashed: BUG: soft lockup in x64_sys_call run #4: crashed: BUG: soft lockup in x64_sys_call run #5: crashed: BUG: soft lockup in x64_sys_call run #6: crashed: BUG: soft lockup in x64_sys_call run #7: crashed: BUG: soft lockup in x64_sys_call run #8: crashed: BUG: soft lockup in kauditd_thread run #9: crashed: BUG: soft lockup in ipv6_rcv representative crash: BUG: soft lockup in x64_sys_call, types: [HANG] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 1h25m2.744641178s (build: 20m44.322442335s, test: 1h1m31.030765217s) crash still not fixed or there were kernel test errors commit msg: Revert "binder: fix max_thread type inconsistency" crash: BUG: soft lockup in x64_sys_call watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [klogd:85] Modules linked in: CPU: 0 PID: 85 Comm: klogd Not tainted 5.15.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 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 8d f3 34 01 f4 c3 66 90 0f 00 2d 82 f3 34 01 fb f4 90 8b 05 1a 21 d7 01 83 f8 ff 74 06 85 c0 0f 95 c0 c3 55 48 89 RSP: 0018:ffffc9000032bc48 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffff888237c2cb00 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888237c2cb14 RBP: ffffc9000032bc88 R08: ffffffff82eca908 R09: 0000000000000003 R10: 00000000000002fc R11: ffffffff82eb2920 R12: ffff88810f3e6b28 R13: ffff888237d2cb00 R14: ffff888237c2cb14 R15: 0000000000000001 FS: 00007fef80424380(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f920008 CR3: 00000001023ec000 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_map_delete+0x25/0x70 net/core/sock_map.c:419 sock_map_delete_elem+0x1d/0x30 net/core/sock_map.c:451 bpf_prog_2c29ac5cdc6b1842+0x3a/0xb78 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0x37/0x90 kernel/trace/bpf_trace.c:1917 __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 syslog_print+0x15c/0x310 kernel/printk/printk.c:1604 do_syslog.part.0+0x8e/0x2e0 kernel/printk/printk.c:1691 do_syslog kernel/printk/printk.c:1676 [inline] __do_sys_syslog kernel/printk/printk.c:1783 [inline] __se_sys_syslog kernel/printk/printk.c:1781 [inline] __x64_sys_syslog+0x32/0x40 kernel/printk/printk.c:1781 x64_sys_call+0x6b1/0x990 arch/x86/include/generated/asm/syscalls_64.h:104 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x33/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fef80585fa7 Code: 73 01 c3 48 8b 0d 81 ce 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 51 ce 0c 00 f7 d8 64 89 01 48 RSP: 002b:00007ffef4534ec8 EFLAGS: 00000206 ORIG_RAX: 0000000000000067 RAX: ffffffffffffffda RBX: 00007fef807244a0 RCX: 00007fef80585fa7 RDX: 00000000000003ff RSI: 00007fef807244a0 RDI: 0000000000000002 RBP: 0000000000000000 R08: 0000000000000005 R09: 76ea2236e888a205 R10: 0000000000004000 R11: 0000000000000206 R12: 00007fef807244a0 R13: 00007fef80714212 R14: 00007fef80724577 R15: 00007fef80724577 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 452 Comm: syz.0.15 Not tainted 5.15.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 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 8d f3 34 01 f4 c3 66 90 0f 00 2d 82 f3 34 01 fb f4 90 8b 05 1a 21 d7 01 83 f8 ff 74 06 85 c0 0f 95 c0 c3 55 48 89 RSP: 0018:ffffc90000383b38 EFLAGS: 00000246 RAX: 0000000000000003 RBX: ffff888237d2cb00 RCX: 0000000000000008 RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff88810f3e6b28 RBP: ffffc90000383b78 R08: ffff88823fff09c0 R09: 0000000000000000 R10: 0000000000000001 R11: ffff888237d2cb00 R12: ffff88810f3e6b28 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000100 FS: 00007fefb458d6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f95ffff CR3: 00000001126aa000 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 __sock_map_delete+0x25/0x70 net/core/sock_map.c:419 sock_map_delete_elem+0x1d/0x30 net/core/sock_map.c:451 bpf_prog_2c29ac5cdc6b1842+0x3a/0xb78 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0x37/0x90 kernel/trace/bpf_trace.c:1917 __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_map_delete+0x43/0x70 net/core/sock_map.c:425 sock_map_delete_elem+0x1d/0x30 net/core/sock_map.c:451 bpf_prog_2c29ac5cdc6b1842+0x3a/0xb78 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0x37/0x90 kernel/trace/bpf_trace.c:1917 __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 kvfree+0x25/0x30 mm/util.c:664 map_update_elem kernel/bpf/syscall.c:1168 [inline] __sys_bpf+0x1bc8/0x2720 kernel/bpf/syscall.c:4621 __do_sys_bpf kernel/bpf/syscall.c:4737 [inline] __se_sys_bpf kernel/bpf/syscall.c:4735 [inline] __x64_sys_bpf+0x17/0x20 kernel/bpf/syscall.c:4735 x64_sys_call+0x12b/0x990 arch/x86/include/generated/asm/syscalls_64.h:322 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x33/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fefb4b03ad9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fefb458d048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fefb4c91f60 RCX: 00007fefb4b03ad9 RDX: 0000000000000020 RSI: 0000000020000500 RDI: 0000000000000002 RBP: 00007fefb4b72e5d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fefb4c91f60 R15: 00007ffdf900da38