ci2 starts bisection 2023-06-28 22:22:55.408899614 +0000 UTC m=+18514.320702895
bisecting fixing commit since a343b0dd87b42ba9d508fbf7d0c06f744c2e0954
building syzkaller on cf1845599c0bdab59c69518eaa0ecb960ec7ddf0
ensuring issue is reproducible on original commit a343b0dd87b42ba9d508fbf7d0c06f744c2e0954
testing commit a343b0dd87b42ba9d508fbf7d0c06f744c2e0954 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 56cdfcebd4001d0e894753831ab77dedd6a59994b7534c67b3c26d5b9d216ed2
all runs: crashed: general protection fault in ir_raw_event_store_with_filter
testing current HEAD a1c449d00ff8ce2c5fcea5f755df682d1f6bc2ef
testing commit a1c449d00ff8ce2c5fcea5f755df682d1f6bc2ef gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 87a00c7ef39f98e871b1e173505584239159df4a51feadb26f468b024a184c04
all runs: crashed: general protection fault in ir_raw_event_store_with_filter
crash still not fixed/happens on the oldest tested release
revisions tested: 2, total time: 1h15m17.458631769s (build: 1h6m10.192312041s, test: 8m3.33593123s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Linux 6.1.36
crash: general protection fault in ir_raw_event_store_with_filter
rc rc0: IR event FIFO is full!
rc rc0: IR event FIFO is full!
rc rc0: IR event FIFO is full!
rc rc0: IR event FIFO is full!
rc rc0: IR event FIFO is full!
general protection fault, probably for non-canonical address 0xdffffc000000021b: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x00000000000010d8-0x00000000000010df]
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.36-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:ir_raw_event_store_with_filter+0x3b3/0xa40 drivers/media/rc/rc-ir-raw.c:184
Code: 10 84 c0 4c 89 f7 0f 85 4f 03 00 00 48 89 e8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 6c 03 00 00 49 8b 6d 00 48 89 d8 48 c1 e8 03 <80> 3c 10 00 74 18 49 89 fe 48 89 df e8 4c f0 62 fb 4c 89 f7 48 ba
RSP: 0018:ffffc900000075c0 EFLAGS: 00010006
RAX: 000000000000021b RBX: 00000000000010d8 RCX: 18ce8b0087263400
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff888140a09000
RBP: 0000000000000080 R08: dffffc0000000000 R09: fffff52000000ded
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888140a095b8
R13: ffffc90000007760 R14: ffff888140a09000 R15: ffff888140a09000
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001178 CR3: 0000000026fe9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
sz_push drivers/media/rc/streamzap.c:104 [inline]
sz_push_full_space drivers/media/rc/streamzap.c:132 [inline]
sz_push_half_space drivers/media/rc/streamzap.c:138 [inline]
streamzap_callback+0x75c/0x1170 drivers/media/rc/streamzap.c:190
__usb_hcd_giveback_urb+0x222/0x360 drivers/usb/core/hcd.c:1671
dummy_timer+0xa23/0x2df0 drivers/usb/gadget/udc/dummy_hcd.c:1988
call_timer_fn+0x142/0x490 kernel/time/timer.c:1474
expire_timers kernel/time/timer.c:1519 [inline]
__run_timers+0x5b6/0x700 kernel/time/timer.c:1790
run_timer_softirq+0x46/0xb0 kernel/time/timer.c:1803
__do_softirq+0x2e9/0xa4c kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x155/0x240 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:22 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:113 [inline]
RIP: 0010:acpi_idle_do_entry+0xe0/0x2b0 drivers/acpi/processor_idle.c:572
Code: 48 89 df e8 42 ea 35 f8 48 f7 03 08 00 00 00 0f 85 04 01 00 00 4c 8d 74 24 20 e8 bb 4b f4 f7 66 90 0f 00 2d d2 27 b9 00 fb f4 <4c> 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 8a ea 35 f8
RSP: 0018:ffffffff8bc07b80 EFLAGS: 000002c2
RAX: 18ce8b0087263400 RBX: ffffffff8bcba600 RCX: ffffffff90804103
RDX: dffffc0000000000 RSI: ffffffff89eb7c20 RDI: ffffffff8a3b83c0
RBP: ffffffff8bc07c10 R08: dffffc0000000000 R09: fffffbfff17974c1
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1780f70
R13: ffff888146edc804 R14: ffffffff8bc07ba0 R15: dffffc0000000000
acpi_idle_enter+0x240/0x440 drivers/acpi/processor_idle.c:709
cpuidle_enter_state+0x3e9/0xc40 drivers/cpuidle/cpuidle.c:239
cpuidle_enter+0x54/0x90 drivers/cpuidle/cpuidle.c:356
call_cpuidle kernel/sched/idle.c:155 [inline]
cpuidle_idle_call kernel/sched/idle.c:236 [inline]
do_idle+0x3ce/0x680 kernel/sched/idle.c:303
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400
rest_init+0x1e4/0x200 init/main.c:729
arch_call_rest_init+0xa/0xa init/main.c:890
start_kernel+0x33f/0x3ba init/main.c:1145
secondary_startup_64_no_verify+0xcf/0xdb
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ir_raw_event_store_with_filter+0x3b3/0xa40 drivers/media/rc/rc-ir-raw.c:184
Code: 10 84 c0 4c 89 f7 0f 85 4f 03 00 00 48 89 e8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 6c 03 00 00 49 8b 6d 00 48 89 d8 48 c1 e8 03 <80> 3c 10 00 74 18 49 89 fe 48 89 df e8 4c f0 62 fb 4c 89 f7 48 ba
RSP: 0018:ffffc900000075c0 EFLAGS: 00010006
RAX: 000000000000021b RBX: 00000000000010d8 RCX: 18ce8b0087263400
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff888140a09000
RBP: 0000000000000080 R08: dffffc0000000000 R09: fffff52000000ded
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888140a095b8
R13: ffffc90000007760 R14: ffff888140a09000 R15: ffff888140a09000
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001178 CR3: 0000000026fe9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 10 84 c0 4c 89 f7 0f adc %al,0xff7894c(%rax,%rax,8)
7: 85 4f 03 test %ecx,0x3(%rdi)
a: 00 00 add %al,(%rax)
c: 48 89 e8 mov %rbp,%rax
f: 48 c1 e8 03 shr $0x3,%rax
13: 0f b6 04 10 movzbl (%rax,%rdx,1),%eax
17: 84 c0 test %al,%al
19: 0f 85 6c 03 00 00 jne 0x38b
1f: 49 8b 6d 00 mov 0x0(%r13),%rbp
23: 48 89 d8 mov %rbx,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) <-- trapping instruction
2e: 74 18 je 0x48
30: 49 89 fe mov %rdi,%r14
33: 48 89 df mov %rbx,%rdi
36: e8 4c f0 62 fb callq 0xfb62f087
3b: 4c 89 f7 mov %r14,%rdi
3e: 48 rex.W
3f: ba .byte 0xba