ci2 starts bisection 2024-07-16 16:30:28.551875858 +0000 UTC m=+13255.838551546
bisecting fixing commit since 993bed180178156a70afdafe8aaf23a117107352
building syzkaller on 7a239ce75709b01083336e0f2f44aa8a01734543
ensuring issue is reproducible on original commit 993bed180178156a70afdafe8aaf23a117107352

testing commit 993bed180178156a70afdafe8aaf23a117107352 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: fc64ae4654303bfed0bb925d75ed508b7e3d5ad5c4371fae4664a238fd9669d1
run #0: crashed: BUG: soft lockup in tipc_release
run #1: crashed: BUG: soft lockup in sock_setsockopt
run #2: crashed: BUG: soft lockup in tipc_release
run #3: crashed: BUG: soft lockup in sys_sendmsg
run #4: crashed: BUG: soft lockup in sys_sendmsg
run #5: crashed: BUG: soft lockup in tipc_release
run #6: crashed: BUG: soft lockup in sys_sendmsg
run #7: crashed: BUG: soft lockup in sock_setsockopt
run #8: crashed: BUG: soft lockup in sock_setsockopt
run #9: crashed: BUG: soft lockup in sock_setsockopt
run #10: crashed: BUG: soft lockup in sock_setsockopt
run #11: crashed: BUG: soft lockup in sock_setsockopt
run #12: crashed: BUG: soft lockup in sock_setsockopt
run #13: crashed: BUG: soft lockup in sys_sendmsg
run #14: crashed: BUG: soft lockup in sys_sendmsg
run #15: crashed: BUG: soft lockup in sock_setsockopt
run #16: crashed: BUG: soft lockup in sock_setsockopt
run #17: crashed: BUG: soft lockup in sys_sendmsg
run #18: crashed: BUG: soft lockup in sys_sendmsg
run #19: crashed: BUG: soft lockup in tipc_release
representative crash: BUG: soft lockup in tipc_release, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed
testing commit 993bed180178156a70afdafe8aaf23a117107352 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f67d85c3cad6d3f8d7693ebb2933916168e3fca3b56b0706013de37d654e55d4
run #0: crashed: BUG: soft lockup in sys_sendmsg
run #1: crashed: BUG: soft lockup in sys_sendmsg
run #2: crashed: BUG: soft lockup in sys_sendmsg
run #3: crashed: BUG: soft lockup in sock_setsockopt
run #4: crashed: BUG: soft lockup in tipc_release
run #5: crashed: BUG: soft lockup in sys_sendmsg
run #6: crashed: BUG: soft lockup in sock_setsockopt
run #7: crashed: BUG: soft lockup in sock_setsockopt
run #8: crashed: BUG: soft lockup in sock_setsockopt
run #9: crashed: BUG: soft lockup in sock_setsockopt
representative crash: BUG: soft lockup in sys_sendmsg, types: [HANG]
the bug reproduces without the instrumentation
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed
kconfig minimization: base=4920 full=6159 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 [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed
testing commit 993bed180178156a70afdafe8aaf23a117107352 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e90cd2570043a3a2c34dda742d13b710bb2a31f0dc1ff57ee34295a4ced9b71d
run #0: crashed: BUG: soft lockup in sock_setsockopt
run #1: crashed: BUG: soft lockup in sys_sendmsg
run #2: crashed: BUG: soft lockup in sys_sendmsg
run #3: crashed: BUG: soft lockup in sock_setsockopt
run #4: crashed: BUG: soft lockup in sock_setsockopt
run #5: crashed: BUG: soft lockup in sock_setsockopt
run #6: crashed: BUG: soft lockup in sys_sendmsg
run #7: crashed: BUG: soft lockup in sock_setsockopt
run #8: crashed: BUG: soft lockup in sock_setsockopt
run #9: crashed: BUG: soft lockup in sock_setsockopt
representative crash: BUG: soft lockup in sock_setsockopt, 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 993bed180178156a70afdafe8aaf23a117107352 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 92bad08bec49f49564c48de145aa83ca8f69ac4b1b22a4768a7ecc895a8914d0
run #0: crashed: BUG: soft lockup in sys_sendmsg
run #1: crashed: BUG: soft lockup in tipc_release
run #2: crashed: BUG: soft lockup in sock_setsockopt
run #3: crashed: BUG: soft lockup in sys_sendmsg
run #4: crashed: BUG: soft lockup in tipc_release
run #5: crashed: BUG: soft lockup in sock_setsockopt
run #6: crashed: BUG: soft lockup in sock_setsockopt
run #7: crashed: BUG: soft lockup in sys_sendmsg
run #8: crashed: BUG: soft lockup in sock_setsockopt
run #9: crashed: BUG: soft lockup in sock_setsockopt
representative crash: BUG: soft lockup in sys_sendmsg, 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 993bed180178156a70afdafe8aaf23a117107352 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 31f31ca661a3238d58d8971c4cb24ced3f56fe93d172b4fd1bf80ea8a617fd5e
run #0: crashed: BUG: soft lockup in tipc_release
run #1: crashed: BUG: soft lockup in sock_setsockopt
run #2: crashed: BUG: soft lockup in sock_setsockopt
run #3: crashed: BUG: soft lockup in sys_sendmsg
run #4: crashed: BUG: soft lockup in sys_sendmsg
run #5: crashed: BUG: soft lockup in sock_setsockopt
run #6: crashed: BUG: soft lockup in sock_setsockopt
run #7: crashed: BUG: soft lockup in sock_setsockopt
run #8: crashed: BUG: soft lockup in sock_setsockopt
run #9: crashed: BUG: soft lockup in sock_setsockopt
representative crash: BUG: soft lockup in tipc_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 993bed180178156a70afdafe8aaf23a117107352 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4e78d243e6b9b7d0a5b624164bbbe78b20891e17c2c28d5987dfe65e945d292a
run #0: crashed: BUG: soft lockup in tipc_release
run #1: crashed: BUG: soft lockup in tipc_release
run #2: crashed: BUG: soft lockup in sock_setsockopt
run #3: crashed: BUG: soft lockup in tipc_release
run #4: crashed: BUG: soft lockup in sys_sendmsg
run #5: crashed: BUG: soft lockup in sys_sendmsg
run #6: crashed: BUG: soft lockup in sys_sendmsg
run #7: crashed: BUG: soft lockup in sock_setsockopt
run #8: crashed: BUG: soft lockup in sock_setsockopt
run #9: crashed: BUG: soft lockup in sock_setsockopt
representative crash: BUG: soft lockup in tipc_release, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 993bed180178156a70afdafe8aaf23a117107352 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building 993bed180178156a70afdafe8aaf23a117107352: 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 [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed
testing current HEAD db06c48ab67eb5db1ac64a0210d77742e335537a
testing commit db06c48ab67eb5db1ac64a0210d77742e335537a gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3685ff3275b369ab85d2fc04360940eeb51125b36d87bce258560cbff604c8bc
run #0: crashed: BUG: soft lockup in sock_setsockopt
run #1: crashed: BUG: soft lockup in tipc_release
run #2: crashed: BUG: soft lockup in sock_setsockopt
run #3: crashed: BUG: soft lockup in sock_setsockopt
run #4: crashed: BUG: soft lockup in sock_setsockopt
run #5: crashed: BUG: soft lockup in sock_setsockopt
run #6: crashed: BUG: soft lockup in tipc_release
run #7: crashed: BUG: soft lockup in sock_setsockopt
run #8: crashed: BUG: soft lockup in sock_setsockopt
run #9: crashed: BUG: soft lockup in sock_setsockopt
representative crash: BUG: soft lockup in sock_setsockopt, types: [HANG]
crash still not fixed/happens on the oldest tested release
revisions tested: 7, total time: 1h25m30.242631084s (build: 25m58.200877495s, test: 52m3.225701385s)
crash still not fixed or there were kernel test errors
commit msg: Merge 5.15.151 into android13-5.15-lts
crash: BUG: soft lockup in sock_setsockopt
watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor.0:1716]
Modules linked in:
CPU: 1 PID: 1716 Comm: syz-executor.0 Not tainted 5.15.151-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__rht_ptr include/linux/rhashtable.h:354 [inline]
RIP: 0010:rht_ptr_rcu include/linux/rhashtable.h:369 [inline]
RIP: 0010:__rhashtable_lookup include/linux/rhashtable.h:599 [inline]
RIP: 0010:rhashtable_lookup include/linux/rhashtable.h:638 [inline]
RIP: 0010:tipc_sk_lookup+0x9a/0x170 net/tipc/socket.c:2999
Code: 89 c2 49 8d 44 d5 40 48 89 45 c8 41 8b 45 04 85 c0 0f 85 d5 00 00 00 48 8b 45 c8 48 83 c8 01 48 89 45 c0 48 8b 45 c8 4c 8b 00 <49> 83 e0 fe 4d 89 c7 4c 0f 44 7d c0 41 f6 c7 01 75 7d 0f b7 83 de
RSP: 0018:ffffc9000302f908 EFLAGS: 00000286
RAX: ffff88810b9e91c8 RBX: ffff88810d2fe000 RCX: 000000008fba6508
RDX: 0000000000000031 RSI: 0000000000000001 RDI: ffffc9000302f92c
RBP: ffffc9000302f958 R08: ffff88810f917e78 R09: 0000000000000001
R10: ffff88810f9b5a00 R11: ffff88810f908000 R12: ffff88810ba38f80
R13: ffff88810b9e9000 R14: ffff88810f917a80 R15: ffffc9000302fa68
FS:  00007fba134ef6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fba134efd58 CR3: 000000010c85f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 tipc_sk_rcv+0xab/0x6e0 net/tipc/socket.c:2492
 tipc_node_xmit+0x7d/0x5c0 net/tipc/node.c:1703
 tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
 tipc_node_distr_xmit+0xe9/0x120 net/tipc/node.c:1783
 tipc_sk_rcv+0x2a2/0x6e0 net/tipc/socket.c:2501
 tipc_node_xmit+0x7d/0x5c0 net/tipc/node.c:1703
 tipc_sk_push_backlog+0x8f/0x150 net/tipc/socket.c:1316
 tipc_sk_conn_proto_rcv net/tipc/socket.c:1370 [inline]
 tipc_sk_proto_rcv net/tipc/socket.c:2158 [inline]
 tipc_sk_filter_rcv+0xc7e/0xe00 net/tipc/socket.c:2352
 tipc_sk_enqueue net/tipc/socket.c:2445 [inline]
 tipc_sk_rcv+0x3c7/0x6e0 net/tipc/socket.c:2497
 tipc_node_xmit+0x7d/0x5c0 net/tipc/node.c:1703
 tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
 tipc_node_distr_xmit+0xe9/0x120 net/tipc/node.c:1783
 tipc_sk_backlog_rcv+0x5d/0x80 net/tipc/socket.c:2412
 sk_backlog_rcv include/net/sock.h:1069 [inline]
 __release_sock+0x5c/0xa0 net/core/sock.c:2719
 release_sock+0x2b/0x90 net/core/sock.c:3270
 sock_setsockopt+0xeb/0xd90 net/core/sock.c:1380
 __sys_setsockopt+0x174/0x1a0 net/socket.c:2194
 __do_sys_setsockopt net/socket.c:2209 [inline]
 __se_sys_setsockopt net/socket.c:2206 [inline]
 __x64_sys_setsockopt+0x20/0x30 net/socket.c:2206
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fba1398eda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fba134ef0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fba13abd050 RCX: 00007fba1398eda9
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007fba139db47a R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fba13abd050 R15: 00007ffe4a7df338
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1715 Comm: syz-executor.0 Not tainted 5.15.151-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:434 [inline]
RIP: 0010:__pv_queued_spin_lock_slowpath+0xfa/0x2e0 kernel/locking/qspinlock.c:508
Code: be 01 00 00 00 41 bf 00 01 00 00 3c 02 0f 94 c0 0f b6 c0 48 89 45 c8 c6 43 14 00 ba 00 80 00 00 41 c6 44 24 01 01 eb 0b f3 90 <83> ea 01 0f 84 74 01 00 00 41 0f b6 04 24 84 c0 75 ec 44 89 f8 f0
RSP: 0018:ffffc90003017bf0 EFLAGS: 00000206
RAX: 0000000000000003 RBX: ffff888237c2cb00 RCX: 0000000000000008
RDX: 0000000000005749 RSI: 0000000000000003 RDI: ffff88810f917b08
RBP: ffffc90003017c28 R08: ffff88823fff0740 R09: 0000000000000000
R10: 0000000000000001 R11: ffff888237c2cb00 R12: ffff88810f917b08
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000100
FS:  00007fba135106c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 000000010c85f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 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]
 lock_sock_nested+0x1e/0x50 net/core/sock.c:3258
 lock_sock include/net/sock.h:1676 [inline]
 tipc_sendstream+0x23/0x50 net/tipc/socket.c:1549
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg+0x35/0x40 net/socket.c:716
 ____sys_sendmsg+0x23e/0x260 net/socket.c:2431
 ___sys_sendmsg+0x74/0xc0 net/socket.c:2485
 __sys_sendmsg+0x5d/0xb0 net/socket.c:2514
 __do_sys_sendmsg net/socket.c:2523 [inline]
 __se_sys_sendmsg net/socket.c:2521 [inline]
 __x64_sys_sendmsg+0x1a/0x20 net/socket.c:2521
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fba1398eda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fba135100c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fba13abcf80 RCX: 00007fba1398eda9
RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000004
RBP: 00007fba139db47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fba13abcf80 R15: 00007ffe4a7df338
 </TASK>