------------[ cut here ]------------
WARNING: CPU: 1 PID: 4373 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 1 PID: 4373 Comm: syz-executor238 Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:copy_from_user_nofault+0x15c/0x1c0 mm/maccess.c:226
Code: db 48 c7 c0 f2 ff ff ff 48 0f 44 c5 eb 0c e8 5b c4 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 44 c4 d5 ff <0f> 0b e9 1e ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef fe ff
RSP: 0018:ffffc90000dd0bd0 EFLAGS: 00010006
RAX: ffffffff81aac09c RBX: 0000000000000000 RCX: ffff888023cd0000
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aabfad R09: ffffed100479a001
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000020000000
R13: 0000000000000008 R14: 0000000020000000 R15: ffffc90000dd0c48
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc6137fc250 CR3: 00000000254f5000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_compat kernel/trace/bpf_trace.c:281 [inline]
bpf_probe_read_compat+0xe4/0x180 kernel/trace/bpf_trace.c:277
bpf_prog_63d51858d7cca270+0x3d/0x108
bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1915
trace_hrtimer_start include/trace/events/timer.h:199 [inline]
debug_activate kernel/time/hrtimer.c:476 [inline]
enqueue_hrtimer+0x324/0x390 kernel/time/hrtimer.c:1084
__run_hrtimer kernel/time/hrtimer.c:1705 [inline]
__hrtimer_run_queues+0x6b6/0xcf0 kernel/time/hrtimer.c:1752
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
__sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:preempt_latency_start kernel/sched/core.c:5470 [inline]
RIP: 0010:preempt_count_add+0xb8/0x180 kernel/sched/core.c:5493
Code: 00 85 c0 74 0a 45 31 f6 31 ff e8 13 8e 0c 00 65 48 8b 1d eb e3 aa 7e 48 81 c3 e8 14 00 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 <74> 08 48 89 df e8 8e d5 72 00 4c 89 33 5b 41 5e 41 5f c3 e8 b0 08
RSP: 0018:ffffc90002e1f228 EFLAGS: 00000246
RAX: 1ffff1100479a29d RBX: ffff888023cd14e8 RCX: ffffffff8a489a00
RDX: dffffc0000000000 RSI: ffffffff8a3eab8b RDI: ffffffff8138a9ab
RBP: ffffc90002e1f338 R08: 000000000000000e R09: ffffc90002e1f3f0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90002e1ff30
R13: ffffffff816e19d0 R14: ffffffff8138a9ab R15: dffffc0000000000
unwind_next_frame+0xbb/0x1fa0 arch/x86/kernel/unwind_orc.c:433
arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4b/0x80 mm/kasan/common.c:46
kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360
____kasan_slab_free+0xd8/0x120 mm/kasan/common.c:366
kasan_slab_free include/linux/kasan.h:230 [inline]
slab_free_hook mm/slub.c:1705 [inline]
slab_free_freelist_hook+0xdd/0x160 mm/slub.c:1731
slab_free mm/slub.c:3499 [inline]
kmem_cache_free+0x91/0x1f0 mm/slub.c:3515
pgtable_pte_page_dtor include/linux/mm.h:2266 [inline]
___pte_free_tlb+0x8d/0x310 arch/x86/mm/pgtable.c:55
__pte_free_tlb arch/x86/include/asm/pgalloc.h:61 [inline]
free_pte_range mm/memory.c:231 [inline]
free_pmd_range mm/memory.c:249 [inline]
free_pud_range mm/memory.c:283 [inline]
free_p4d_range mm/memory.c:317 [inline]
free_pgd_range+0x71f/0xdb0 mm/memory.c:397
free_pgtables+0x269/0x2a0
exit_mmap+0x3c5/0x620 mm/mmap.c:3205
__mmput+0x112/0x3b0 kernel/fork.c:1127
exit_mm+0x688/0x7f0 kernel/exit.c:550
do_exit+0x626/0x2480 kernel/exit.c:861
do_group_exit+0x144/0x310 kernel/exit.c:996
__do_sys_exit_group kernel/exit.c:1007 [inline]
__se_sys_exit_group kernel/exit.c:1005 [inline]
__x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1005
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc6137806e9
Code: Unable to access opcode bytes at RIP 0x7fc6137806bf.
RSP: 002b:00007ffe8adc3b28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc6137806e9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007fc6137fa370 R08: ffffffffffffffb8 R09: ffffffffffffffff
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fc6137fa370
R13: 0000000000000000 R14: 00007fc6137fbe40 R15: 00007fc613749ce0
----------------
Code disassembly (best guess):
0: 00 85 c0 74 0a 45 add %al,0x450a74c0(%rbp)
6: 31 f6 xor %esi,%esi
8: 31 ff xor %edi,%edi
a: e8 13 8e 0c 00 call 0xc8e22
f: 65 48 8b 1d eb e3 aa mov %gs:0x7eaae3eb(%rip),%rbx # 0x7eaae402
16: 7e
17: 48 81 c3 e8 14 00 00 add $0x14e8,%rbx
1e: 48 89 d8 mov %rbx,%rax
21: 48 c1 e8 03 shr $0x3,%rax
25: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
* 2a: 74 08 je 0x34 <-- trapping instruction
2c: 48 89 df mov %rbx,%rdi
2f: e8 8e d5 72 00 call 0x72d5c2
34: 4c 89 33 mov %r14,(%rbx)
37: 5b pop %rbx
38: 41 5e pop %r14
3a: 41 5f pop %r15
3c: c3 ret
3d: e8 .byte 0xe8
3e: b0 08 mov $0x8,%al