ci2 starts bisection 2024-03-29 18:55:37.161744787 +0000 UTC m=+51458.441754132
bisecting fixing commit since c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f
building syzkaller on ab32d50881df9f96f2af301aadca62ad00b7e099
ensuring issue is reproducible on original commit c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f
testing commit c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8b5eb307eacffa84f700f137753c073d3a40ceffcb90d4069deb7980dcfc27cc
all runs: crashed: KASAN: stack-out-of-bounds Read in xfrm_state_find
representative crash: KASAN: stack-out-of-bounds Read in xfrm_state_find, types: [KASAN]
check whether we can drop unnecessary instrumentation
disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d66979898885c126d30ea59f3a5ac9c30c3dfae306a2ebb9ac5a4214f20b806c
all runs: crashed: KASAN: stack-out-of-bounds Read in xfrm_state_find
representative crash: KASAN: stack-out-of-bounds Read in xfrm_state_find, types: [KASAN]
the bug reproduces without the instrumentation
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
kconfig minimization: base=4920 full=6157 leaves diff=251
split chunks (needed=false): <251>
split chunk #0 of len 251 into 5 parts
testing without sub-chunk 1/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1863bce309b3fe3f8bb15c22eba6b9e5ee2b563055299a71d3d277489a73dd23
all runs: crashed: KASAN: stack-out-of-bounds Read in xfrm_state_find
representative crash: KASAN: stack-out-of-bounds Read in xfrm_state_find, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: aee46958ba315158083f6e588b3bd62e7b36b597a8685780154e7ef7159cf605
all runs: crashed: KASAN: stack-out-of-bounds Read in xfrm_state_find
representative crash: KASAN: stack-out-of-bounds Read in xfrm_state_find, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b49d925718cb3bc5e7565de456aaa7db949bbe48b5ea3da12451de468ab4cc06
all runs: crashed: KASAN: stack-out-of-bounds Read in xfrm_state_find
representative crash: KASAN: stack-out-of-bounds Read in xfrm_state_find, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 95b32d5a548091976a5d72f36d65708f9838cc161ee90988172ca1b7f4ea3e03
all runs: crashed: KASAN: stack-out-of-bounds Read in xfrm_state_find
representative crash: KASAN: stack-out-of-bounds Read in xfrm_state_find, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f: scripts/extract-cert.c:46:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/extract-cert.c:60:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:89:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:103:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
net/socket.c:1172: undefined reference to `wext_handle_ioctl'
net/socket.c:3366: 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 47 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_PM_TIMER X86_X32 ZEROPLUS_FF]
disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing current HEAD 993bed180178156a70afdafe8aaf23a117107352
testing commit 993bed180178156a70afdafe8aaf23a117107352 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cfc2b044272a9f508335b24dc77a9d46818c1d72cefd1bcd146f06a52b14180a
run #0: crashed: KASAN: stack-out-of-bounds Read in xfrm_state_find
run #1: crashed: KASAN: stack-out-of-bounds Read in xfrm_state_find
run #2: crashed: KASAN: stack-out-of-bounds Read in xfrm_state_find
run #3: crashed: KASAN: stack-out-of-bounds Read in xfrm_state_find
run #4: crashed: KASAN: stack-out-of-bounds Read in xfrm_state_find
run #5: crashed: KASAN: stack-out-of-bounds Read in xfrm_state_find
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: KASAN: stack-out-of-bounds Read in xfrm_state_find, types: [KASAN]
crash still not fixed/happens on the oldest tested release
revisions tested: 7, total time: 2h40m1.503080359s (build: 1h51m45.372670465s, test: 45m59.462049261s)
crash still not fixed or there were kernel test errors
commit msg: Merge "Merge branch 'android13-5.15' into branch 'android13-5.15-lts'" into android13-5.15-lts
crash: KASAN: stack-out-of-bounds Read in xfrm_state_find
==================================================================
BUG: KASAN: stack-out-of-bounds in jhash2 include/linux/jhash.h:138 [inline]
BUG: KASAN: stack-out-of-bounds in __xfrm6_addr_hash net/xfrm/xfrm_hash.h:16 [inline]
BUG: KASAN: stack-out-of-bounds in __xfrm6_daddr_saddr_hash net/xfrm/xfrm_hash.h:29 [inline]
BUG: KASAN: stack-out-of-bounds in __xfrm_dst_hash net/xfrm/xfrm_hash.h:95 [inline]
BUG: KASAN: stack-out-of-bounds in xfrm_dst_hash net/xfrm/xfrm_state.c:63 [inline]
BUG: KASAN: stack-out-of-bounds in xfrm_state_find+0x4f95/0x5b20 net/xfrm/xfrm_state.c:1092
Read of size 4 at addr ffffc90000007b88 by task kworker/0:1/38
CPU: 0 PID: 38 Comm: kworker/0:1 Not tainted 5.15.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: rcu_gp process_srcu
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x38/0x49 lib/dump_stack.c:106
print_address_description.constprop.0+0x24/0x160 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:427 [inline]
kasan_report.cold+0x82/0xdb mm/kasan/report.c:444
__asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
jhash2 include/linux/jhash.h:138 [inline]
__xfrm6_addr_hash net/xfrm/xfrm_hash.h:16 [inline]
__xfrm6_daddr_saddr_hash net/xfrm/xfrm_hash.h:29 [inline]
__xfrm_dst_hash net/xfrm/xfrm_hash.h:95 [inline]
xfrm_dst_hash net/xfrm/xfrm_state.c:63 [inline]
xfrm_state_find+0x4f95/0x5b20 net/xfrm/xfrm_state.c:1092
xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2393 [inline]
xfrm_tmpl_resolve+0x271/0xb40 net/xfrm/xfrm_policy.c:2438
xfrm_resolve_and_create_bundle+0x125/0x20c0 net/xfrm/xfrm_policy.c:2731
xfrm_bundle_lookup net/xfrm/xfrm_policy.c:2966 [inline]
xfrm_lookup_with_ifid+0x408/0x1c50 net/xfrm/xfrm_policy.c:3097
xfrm_lookup net/xfrm/xfrm_policy.c:3194 [inline]
xfrm_lookup_route+0x1f/0x150 net/xfrm/xfrm_policy.c:3205
ip_route_output_flow+0x259/0x2d0 net/ipv4/route.c:2892
ip_route_output_ports include/net/route.h:169 [inline]
igmpv3_newpack+0x2a8/0xde0 net/ipv4/igmp.c:372
add_grhead+0x235/0x320 net/ipv4/igmp.c:443
add_grec+0xbef/0xec0 net/ipv4/igmp.c:577
igmpv3_send_cr net/ipv4/igmp.c:714 [inline]
igmp_ifc_timer_expire+0x46e/0xb10 net/ipv4/igmp.c:813
call_timer_fn+0x28/0x190 kernel/time/timer.c:1427
expire_timers kernel/time/timer.c:1472 [inline]
__run_timers.part.0+0x45c/0x840 kernel/time/timer.c:1743
__run_timers kernel/time/timer.c:1721 [inline]
run_timer_softirq+0x9c/0x180 kernel/time/timer.c:1756
__do_softirq+0x1c1/0x5c8 kernel/softirq.c:565
invoke_softirq kernel/softirq.c:425 [inline]
__irq_exit_rcu kernel/softirq.c:648 [inline]
irq_exit_rcu+0x64/0x110 kernel/softirq.c:660
sysvec_apic_timer_interrupt+0x9d/0xc0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x3d/0x6a kernel/locking/spinlock.c:202
Code: c1 e8 03 48 89 e5 53 48 89 fb 80 3c 10 00 75 39 48 83 3d f5 c2 33 01 00 74 26 48 89 df e8 1f be 6d fd 66 90 fb bf 01 00 00 00 9e c5 64 fd 65 8b 05 97 1f 29 7c 85 c0 74 08 48 8b 5d f8 c9 c3
RSP: 0018:ffffc9000027fdb0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff8881f7436680 RCX: ffffffff813b3168
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffffc9000027fdb8 R08: 0000000000000001 R09: ffffffff8593306f
R10: fffffbfff0b2660d R11: ffffffff85933080 R12: ffff8881f7436680
R13: ffffffff85933068 R14: ffff888100261b18 R15: ffff888100261b00
process_one_work+0x605/0xec0 kernel/workqueue.c:2298
worker_thread+0x48e/0xdb0 kernel/workqueue.c:2472
kthread+0x324/0x3e0 kernel/kthread.c:337
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Memory state around the buggy address:
ffffc90000007a80: 00 00 f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00
ffffc90000007b00: 00 00 00 00 00 00 f1 f1 f1 f1 00 00 00 00 00 00
>ffffc90000007b80: 00 f3 f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00
^
ffffc90000007c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffffc90000007c80: 00 00 00 00 00 f1 f1 f1 f1 00 f3 f3 f3 00 00 00
==================================================================
----------------
Code disassembly (best guess):
0: c1 e8 03 shr $0x3,%eax
3: 48 89 e5 mov %rsp,%rbp
6: 53 push %rbx
7: 48 89 fb mov %rdi,%rbx
a: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1)
e: 75 39 jne 0x49
10: 48 83 3d f5 c2 33 01 cmpq $0x0,0x133c2f5(%rip) # 0x133c30d
17: 00
18: 74 26 je 0x40
1a: 48 89 df mov %rbx,%rdi
1d: e8 1f be 6d fd call 0xfd6dbe41
22: 66 90 xchg %ax,%ax
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 9e c5 64 fd call 0xfd64c5cd <-- trapping instruction
2f: 65 8b 05 97 1f 29 7c mov %gs:0x7c291f97(%rip),%eax # 0x7c291fcd
36: 85 c0 test %eax,%eax
38: 74 08 je 0x42
3a: 48 8b 5d f8 mov -0x8(%rbp),%rbx
3e: c9 leave
3f: c3 ret