kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 1671 Comm: syz-executor.0 Tainted: G W 5.4.274-syzkaller-00016-gdd432c37afcd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:set_track mm/kasan/common.c:78 [inline] RIP: 0010:kasan_set_free_info mm/kasan/common.c:345 [inline] RIP: 0010:__kasan_slab_free+0x21c/0x270 mm/kasan/common.c:487 Code: fa 0f 92 c2 41 84 c3 75 10 20 d1 75 0c 48 ff c3 48 39 de 75 d2 89 f3 eb 02 ff c3 48 89 e7 89 de ba 00 08 00 00 e8 64 37 b4 00 <43> 89 44 25 0c 49 63 be c4 01 00 00 4c 01 ef 4c 89 f6 e8 ad 24 00 RSP: 0018:ffff8881f6e09d18 EFLAGS: 00010292 RAX: 00000000be200169 RBX: 000000000000003c RCX: 88b348952e2b6b00 RDX: 00000000000001e0 RSI: 0000000000000246 RDI: 0000000000000000 RBP: ffff8881f6e09ec8 R08: dffffc0000000000 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: 00000000ffffa0b8 R13: dffffc0000000000 R14: ffffffff8193fcc5 R15: ffff8881de4fb1c0 FS: 00007feead47a6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32d2b000 CR3: 00000001cfa43000 CR4: 00000000003406b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x195/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:538 [inline] smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834 RIP: 0010:__sanitizer_cov_trace_pc+0x31/0x50 kernel/kcov.c:192 Code: 0d 54 51 9e 7e 65 8b 15 59 51 9e 7e f7 c2 00 01 1f 00 74 01 c3 8b 91 00 0a 00 00 83 fa 02 75 f4 48 8b 91 08 0a 00 00 48 8b 32 <48> 8d 7e 01 8b 89 04 0a 00 00 48 39 cf 73 db 48 89 44 f2 08 48 89 RSP: 0018:ffff8881ef137698 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffffffff839930bd RBX: 0000000000000000 RCX: ffff8881d0482f40 RDX: ffffc90001548000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffff8881ef1377d0 R08: ffffffff8399317b R09: ffffed103a0905e9 R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000fff73877 R13: fffffff2828c4c13 R14: dffffc0000000000 R15: ffffc90000097030 bpf_test_run+0x28d/0x6c0 arch/x86/include/asm/jump_label.h:25 bpf_prog_test_run_skb+0x73c/0xf00 net/bpf/test_run.c:311 bpf_prog_test_run kernel/bpf/syscall.c:2124 [inline] __do_sys_bpf kernel/bpf/syscall.c:2909 [inline] __se_sys_bpf+0x2e37/0xbcb0 kernel/bpf/syscall.c:2849 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 RIP: 0033:0x7feeae0fff69 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:00007feead47a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007feeae236f80 RCX: 00007feeae0fff69 RDX: 0000000000000050 RSI: 0000000020000200 RDI: 000000000000000a RBP: 00007feeae15d6fe R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007feeae236f80 R15: 00007ffef41235d8 Modules linked in: ---[ end trace 96465f0453989396 ]--- RIP: 0010:set_track mm/kasan/common.c:78 [inline] RIP: 0010:kasan_set_free_info mm/kasan/common.c:345 [inline] RIP: 0010:__kasan_slab_free+0x21c/0x270 mm/kasan/common.c:487 Code: fa 0f 92 c2 41 84 c3 75 10 20 d1 75 0c 48 ff c3 48 39 de 75 d2 89 f3 eb 02 ff c3 48 89 e7 89 de ba 00 08 00 00 e8 64 37 b4 00 <43> 89 44 25 0c 49 63 be c4 01 00 00 4c 01 ef 4c 89 f6 e8 ad 24 00 RSP: 0018:ffff8881f6e09d18 EFLAGS: 00010292 RAX: 00000000be200169 RBX: 000000000000003c RCX: 88b348952e2b6b00 RDX: 00000000000001e0 RSI: 0000000000000246 RDI: 0000000000000000 RBP: ffff8881f6e09ec8 R08: dffffc0000000000 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: 00000000ffffa0b8 R13: dffffc0000000000 R14: ffffffff8193fcc5 R15: ffff8881de4fb1c0 FS: 00007feead47a6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32d2b000 CR3: 00000001cfa43000 CR4: 00000000003406b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 ---------------- Code disassembly (best guess): 0: fa cli 1: 0f 92 c2 setb %dl 4: 41 84 c3 test %al,%r11b 7: 75 10 jne 0x19 9: 20 d1 and %dl,%cl b: 75 0c jne 0x19 d: 48 ff c3 inc %rbx 10: 48 39 de cmp %rbx,%rsi 13: 75 d2 jne 0xffffffe7 15: 89 f3 mov %esi,%ebx 17: eb 02 jmp 0x1b 19: ff c3 inc %ebx 1b: 48 89 e7 mov %rsp,%rdi 1e: 89 de mov %ebx,%esi 20: ba 00 08 00 00 mov $0x800,%edx 25: e8 64 37 b4 00 call 0xb4378e * 2a: 43 89 44 25 0c mov %eax,0xc(%r13,%r12,1) <-- trapping instruction 2f: 49 63 be c4 01 00 00 movslq 0x1c4(%r14),%rdi 36: 4c 01 ef add %r13,%rdi 39: 4c 89 f6 mov %r14,%rsi 3c: e8 .byte 0xe8 3d: ad lods %ds:(%rsi),%eax 3e: 24 00 and $0x0,%al