------------[ cut here ]------------
kernel BUG at mm/slub.c:4064!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1166 Comm: syz.1.220 Not tainted 5.4.292-syzkaller-00021-gcd8e74fa0fa3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:kfree+0x255/0x260 mm/slub.c:308
Code: ff d0 49 8b 07 49 83 c7 18 48 85 c0 75 e8 65 ff 0d 7c 9d 75 7e 48 89 df 0f 85 dc fd ff ff e8 92 57 73 ff e9 d2 fd ff ff 0f 0b <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41
RSP: 0018:ffff8881f6e09ca0 EFLAGS: 00010046
RAX: ffffea0007db8248 RBX: 0000000000000000 RCX: ffffea0007db8240
RDX: 0000000000000103 RSI: 0000000000000103 RDI: ffff8881f6e09e00
RBP: ffff8881f6e09ce0 R08: 0000000000000004 R09: 0000000000000003
R10: ffffed103edc134c R11: 1ffff1103edc134c R12: 00000000ffff99b0
R13: dffffc0000000000 R14: ffffffff84224a2b R15: ffffea0007db8240
FS: 00007f54343d86c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555593eb14a8 CR3: 00000001e5d8f000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
<IRQ>
kobject_uevent_env+0x34b/0x6e0 lib/kobject_uevent.c:641
expire_timers kernel/time/timer.c:1488 [inline]
__run_timers+0x84b/0xb60 kernel/time/timer.c:1817
run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1830
__do_softirq+0x236/0x660 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x197/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:539 [inline]
smp_apic_timer_interrupt+0x11d/0x490 arch/x86/kernel/apic/apic.c:1161
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
</IRQ>
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x50 kernel/kcov.c:186
Code: 00 00 55 48 89 e5 be 0c 00 00 00 48 c7 c7 00 96 d1 85 e8 6b f2 2d 00 5d c3 00 00 90 90 00 00 90 90 00 55 48 89 e5 48 8b 45 08 <65> 48 8b 0d 90 0e a3 7e 65 8b 15 95 0e a3 7e f7 c2 00 01 1f 00 74
RSP: 0018:ffff8881e222f830 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffffffff81848888 RBX: dead000000000100 RCX: 0000000000000002
RDX: ffff8881e44e1f80 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881e222f830 R08: dffffc0000000000 R09: fffff94000ec347f
R10: fffff94000ec347f R11: 1ffffd4000ec347e R12: 1ffffd4000ec3479
R13: dffffc0000000000 R14: ffffea000761a3c0 R15: 80000001d868f007
compound_head include/linux/page-flags.h:176 [inline]
PageSwapBacked include/linux/page-flags.h:340 [inline]
mm_counter_file include/linux/mm.h:1794 [inline]
mm_counter include/linux/mm.h:1803 [inline]
copy_one_pte mm/memory.c:806 [inline]
copy_pte_range mm/memory.c:855 [inline]
copy_pmd_range mm/memory.c:906 [inline]
copy_pud_range mm/memory.c:940 [inline]
copy_p4d_range mm/memory.c:962 [inline]
copy_page_range+0xf28/0x1730 mm/memory.c:1024
dup_mmap kernel/fork.c:608 [inline]
dup_mm kernel/fork.c:1379 [inline]
copy_mm+0xb65/0x1150 kernel/fork.c:1435
copy_process+0x1163/0x2cf0 kernel/fork.c:2052
_do_fork+0x190/0x860 kernel/fork.c:2399
__do_sys_clone kernel/fork.c:2557 [inline]
__se_sys_clone kernel/fork.c:2538 [inline]
__x64_sys_clone+0x12e/0x160 kernel/fork.c:2538
do_syscall_64+0xcf/0x170 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f5435d6f969
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:00007f54343d7fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f5435f96fa0 RCX: 00007f5435d6f969
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f5435df1ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f5435f96fa0 R15: 00007ffdba92b378
Modules linked in:
---[ end trace 2b4f545c445e55d6 ]---
RIP: 0010:kfree+0x255/0x260 mm/slub.c:308
Code: ff d0 49 8b 07 49 83 c7 18 48 85 c0 75 e8 65 ff 0d 7c 9d 75 7e 48 89 df 0f 85 dc fd ff ff e8 92 57 73 ff e9 d2 fd ff ff 0f 0b <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41
RSP: 0018:ffff8881f6e09ca0 EFLAGS: 00010046
RAX: ffffea0007db8248 RBX: 0000000000000000 RCX: ffffea0007db8240
RDX: 0000000000000103 RSI: 0000000000000103 RDI: ffff8881f6e09e00
RBP: ffff8881f6e09ce0 R08: 0000000000000004 R09: 0000000000000003
R10: ffffed103edc134c R11: 1ffff1103edc134c R12: 00000000ffff99b0
R13: dffffc0000000000 R14: ffffffff84224a2b R15: ffffea0007db8240
FS: 00007f54343d86c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555593eb14a8 CR3: 00000001e5d8f000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 55 push %rbp
3: 48 89 e5 mov %rsp,%rbp
6: be 0c 00 00 00 mov $0xc,%esi
b: 48 c7 c7 00 96 d1 85 mov $0xffffffff85d19600,%rdi
12: e8 6b f2 2d 00 call 0x2df282
17: 5d pop %rbp
18: c3 ret
19: 00 00 add %al,(%rax)
1b: 90 nop
1c: 90 nop
1d: 00 00 add %al,(%rax)
1f: 90 nop
20: 90 nop
21: 00 55 48 add %dl,0x48(%rbp)
24: 89 e5 mov %esp,%ebp
26: 48 8b 45 08 mov 0x8(%rbp),%rax
* 2a: 65 48 8b 0d 90 0e a3 mov %gs:0x7ea30e90(%rip),%rcx # 0x7ea30ec2 <-- trapping instruction
31: 7e
32: 65 8b 15 95 0e a3 7e mov %gs:0x7ea30e95(%rip),%edx # 0x7ea30ece
39: f7 c2 00 01 1f 00 test $0x1f0100,%edx
3f: 74 .byte 0x74