==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_read include/linux/instrumented.h:71 [inline]
BUG: KASAN: null-ptr-deref in atomic64_read include/linux/atomic/atomic-instrumented.h:605 [inline]
BUG: KASAN: null-ptr-deref in flush_tlb_func+0x43/0x550 arch/x86/mm/tlb.c:736
Read of size 8 at addr 0000000000000329 by task syz.1.3158/9403
CPU: 0 PID: 9403 Comm: syz.1.3158 Not tainted 5.15.151-syzkaller-00415-gdb06c48ab67e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
__kasan_report mm/kasan/report.c:431 [inline]
kasan_report+0x16f/0x1c0 mm/kasan/report.c:444
kasan_check_range+0x293/0x2a0 mm/kasan/generic.c:189
__kasan_check_read+0x11/0x20 mm/kasan/shadow.c:31
instrument_atomic_read include/linux/instrumented.h:71 [inline]
atomic64_read include/linux/atomic/atomic-instrumented.h:605 [inline]
flush_tlb_func+0x43/0x550 arch/x86/mm/tlb.c:736
flush_smp_call_function_queue+0x222/0x6a0 kernel/smp.c:628
generic_smp_call_function_single_interrupt+0x13/0x20 kernel/smp.c:544
__sysvec_call_function_single+0x63/0x1b0 arch/x86/kernel/smp.c:248
sysvec_call_function_single+0x41/0xb0 arch/x86/kernel/smp.c:243
asm_sysvec_call_function_single+0x1b/0x20 arch/x86/include/asm/idtentry.h:646
RIP: 0010:unwind_next_frame+0x5aa/0x700 arch/x86/kernel/unwind_frame.c:360
Code: e8 eb 05 00 00 48 ba 00 00 00 00 00 fc ff df 41 0f b6 04 17 84 c0 0f 85 b6 00 00 00 41 c7 06 00 00 00 00 31 c0 48 83 c4 50 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 44 89 f1 80 e1 07 80 c1 03 38 c1 0f
RSP: 0018:ffffc900000076d0 EFLAGS: 00000282
RAX: 0000000000007701 RBX: ffffc90000007780 RCX: 0000000000007701
RDX: 1ffff92000000ef2 RSI: ffffc90000007810 RDI: ffffc900000077d8
RBP: ffffc900000076f0 R08: dffffc0000000000 R09: ffffc90000007780
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc900000077d0 R14: ffffc90000007780 R15: 1ffff92000000ef0
__unwind_start+0x318/0x3a0 arch/x86/kernel/unwind_frame.c:407
unwind_start arch/x86/include/asm/unwind.h:60 [inline]
arch_stack_walk+0xdb/0x140 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365
__kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
kasan_slab_free include/linux/kasan.h:193 [inline]
slab_free_hook mm/slub.c:1723 [inline]
slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749
slab_free mm/slub.c:3519 [inline]
kmem_cache_free+0x116/0x2e0 mm/slub.c:3535
__free_vm_area_struct+0x1c/0x20 kernel/fork.c:389
rcu_do_batch+0x57a/0xc10 kernel/rcu/tree.c:2523
rcu_core+0x517/0x1020 kernel/rcu/tree.c:2763
rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2776
__do_softirq+0x26d/0x5bf kernel/softirq.c:565
do_softirq+0xf6/0x150 kernel/softirq.c:452
__local_bh_enable_ip+0x75/0x80 kernel/softirq.c:379
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline]
_raw_spin_unlock_bh+0x51/0x60 kernel/locking/spinlock.c:210
__sock_map_delete net/core/sock_map.c:426 [inline]
sock_map_delete_elem+0xcb/0x130 net/core/sock_map.c:448
bpf_prog_2c29ac5cdc6b1842+0x3a/0x918
bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
__bpf_prog_run include/linux/filter.h:625 [inline]
bpf_prog_run include/linux/filter.h:632 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline]
bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1917
__bpf_trace_tlb_flush+0x23/0x30 include/trace/events/tlb.h:38
__traceiter_tlb_flush+0x77/0xd0 include/trace/events/tlb.h:38
trace_tlb_flush include/trace/events/tlb.h:38 [inline]
switch_mm_irqs_off+0x616/0x9b0 arch/x86/mm/tlb.c:629
context_switch kernel/sched/core.c:5137 [inline]
__schedule+0xb2b/0x1590 kernel/sched/core.c:6512
preempt_schedule_common+0x9b/0xf0 kernel/sched/core.c:6688
preempt_schedule+0xd9/0xe0 kernel/sched/core.c:6713
preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
vprintk_emit+0x32f/0x340 kernel/printk/printk.c:2289
vprintk_default+0x26/0x30 kernel/printk/printk.c:2303
vprintk+0x74/0x80 kernel/printk/printk_safe.c:45
_printk+0xd1/0x111 kernel/printk/printk.c:2313
do_setlink+0xaa2/0x3ae0 net/core/rtnetlink.c:2969
__rtnl_newlink net/core/rtnetlink.c:3429 [inline]
rtnl_newlink+0x1779/0x2050 net/core/rtnetlink.c:3549
rtnetlink_rcv_msg+0x951/0xc40 net/core/rtnetlink.c:5629
netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2505
rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5647
netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
netlink_unicast+0x8df/0xac0 net/netlink/af_netlink.c:1356
netlink_sendmsg+0xa0a/0xd20 net/netlink/af_netlink.c:1924
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
____sys_sendmsg+0x59e/0x8f0 net/socket.c:2431
___sys_sendmsg+0x252/0x2e0 net/socket.c:2485
__sys_sendmsg net/socket.c:2514 [inline]
__do_sys_sendmsg net/socket.c:2523 [inline]
__se_sys_sendmsg+0x19a/0x260 net/socket.c:2521
__x64_sys_sendmsg+0x7b/0x90 net/socket.c:2521
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fc6d7a38bd9
Code: Unable to access opcode bytes at RIP 0x7fc6d7a38baf.
RSP: 002b:00007fc6d6cba048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fc6d7bc6f60 RCX: 00007fc6d7a38bd9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007fc6d7aa7e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc6d7bc6f60 R15: 00007fff0ce5a788
==================================================================
general protection fault, probably for non-canonical address 0xdffffc0000000065: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000328-0x000000000000032f]
CPU: 0 PID: 9403 Comm: syz.1.3158 Tainted: G B 5.15.151-syzkaller-00415-gdb06c48ab67e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:arch_atomic64_read arch/x86/include/asm/atomic64_64.h:22 [inline]
RIP: 0010:atomic64_read include/linux/atomic/atomic-instrumented.h:606 [inline]
RIP: 0010:flush_tlb_func+0x4a/0x550 arch/x86/mm/tlb.c:736
Code: 8b 35 0a 96 cd 7e 65 66 44 8b 25 11 96 cd 7e 49 8d 9e 28 03 00 00 48 89 df be 08 00 00 00 e8 7d 98 7c 00 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 87 96 7c 00 4c 8b 3b 66 44 89 65
RSP: 0018:ffffc90000007500 EFLAGS: 00010006
RAX: 0000000000000065 RBX: 0000000000000329 RCX: ffff888139dce2c0
RDX: 0000000080010104 RSI: 0000000000000092 RDI: 00000000ffffffff
RBP: ffffc90000007570 R08: ffffffff8141703b R09: 0000000000000003
R10: fffffbfff0e5284c R11: dffffc0000000001 R12: 1ffff1103ee00000
R13: ffff8881f7137180 R14: 0000000000000001 R15: dffffc0000000000
FS: 00007fc6d6cba6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2f15af CR3: 000000011ffc7000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000080000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
flush_smp_call_function_queue+0x222/0x6a0 kernel/smp.c:628
generic_smp_call_function_single_interrupt+0x13/0x20 kernel/smp.c:544
__sysvec_call_function_single+0x63/0x1b0 arch/x86/kernel/smp.c:248
sysvec_call_function_single+0x41/0xb0 arch/x86/kernel/smp.c:243
asm_sysvec_call_function_single+0x1b/0x20 arch/x86/include/asm/idtentry.h:646
RIP: 0010:unwind_next_frame+0x5aa/0x700 arch/x86/kernel/unwind_frame.c:360
Code: e8 eb 05 00 00 48 ba 00 00 00 00 00 fc ff df 41 0f b6 04 17 84 c0 0f 85 b6 00 00 00 41 c7 06 00 00 00 00 31 c0 48 83 c4 50 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 44 89 f1 80 e1 07 80 c1 03 38 c1 0f
RSP: 0018:ffffc900000076d0 EFLAGS: 00000282
RAX: 0000000000007701 RBX: ffffc90000007780 RCX: 0000000000007701
RDX: 1ffff92000000ef2 RSI: ffffc90000007810 RDI: ffffc900000077d8
RBP: ffffc900000076f0 R08: dffffc0000000000 R09: ffffc90000007780
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc900000077d0 R14: ffffc90000007780 R15: 1ffff92000000ef0
__unwind_start+0x318/0x3a0 arch/x86/kernel/unwind_frame.c:407
unwind_start arch/x86/include/asm/unwind.h:60 [inline]
arch_stack_walk+0xdb/0x140 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365
__kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
kasan_slab_free include/linux/kasan.h:193 [inline]
slab_free_hook mm/slub.c:1723 [inline]
slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749
slab_free mm/slub.c:3519 [inline]
kmem_cache_free+0x116/0x2e0 mm/slub.c:3535
__free_vm_area_struct+0x1c/0x20 kernel/fork.c:389
rcu_do_batch+0x57a/0xc10 kernel/rcu/tree.c:2523
rcu_core+0x517/0x1020 kernel/rcu/tree.c:2763
rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2776
__do_softirq+0x26d/0x5bf kernel/softirq.c:565
do_softirq+0xf6/0x150 kernel/softirq.c:452
__local_bh_enable_ip+0x75/0x80 kernel/softirq.c:379
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline]
_raw_spin_unlock_bh+0x51/0x60 kernel/locking/spinlock.c:210
__sock_map_delete net/core/sock_map.c:426 [inline]
sock_map_delete_elem+0xcb/0x130 net/core/sock_map.c:448
bpf_prog_2c29ac5cdc6b1842+0x3a/0x918
bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
__bpf_prog_run include/linux/filter.h:625 [inline]
bpf_prog_run include/linux/filter.h:632 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline]
bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1917
__bpf_trace_tlb_flush+0x23/0x30 include/trace/events/tlb.h:38
__traceiter_tlb_flush+0x77/0xd0 include/trace/events/tlb.h:38
trace_tlb_flush include/trace/events/tlb.h:38 [inline]
switch_mm_irqs_off+0x616/0x9b0 arch/x86/mm/tlb.c:629
context_switch kernel/sched/core.c:5137 [inline]
__schedule+0xb2b/0x1590 kernel/sched/core.c:6512
preempt_schedule_common+0x9b/0xf0 kernel/sched/core.c:6688
preempt_schedule+0xd9/0xe0 kernel/sched/core.c:6713
preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
vprintk_emit+0x32f/0x340 kernel/printk/printk.c:2289
vprintk_default+0x26/0x30 kernel/printk/printk.c:2303
vprintk+0x74/0x80 kernel/printk/printk_safe.c:45
_printk+0xd1/0x111 kernel/printk/printk.c:2313
do_setlink+0xaa2/0x3ae0 net/core/rtnetlink.c:2969
__rtnl_newlink net/core/rtnetlink.c:3429 [inline]
rtnl_newlink+0x1779/0x2050 net/core/rtnetlink.c:3549
rtnetlink_rcv_msg+0x951/0xc40 net/core/rtnetlink.c:5629
netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2505
rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5647
netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
netlink_unicast+0x8df/0xac0 net/netlink/af_netlink.c:1356
netlink_sendmsg+0xa0a/0xd20 net/netlink/af_netlink.c:1924
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
____sys_sendmsg+0x59e/0x8f0 net/socket.c:2431
___sys_sendmsg+0x252/0x2e0 net/socket.c:2485
__sys_sendmsg net/socket.c:2514 [inline]
__do_sys_sendmsg net/socket.c:2523 [inline]
__se_sys_sendmsg+0x19a/0x260 net/socket.c:2521
__x64_sys_sendmsg+0x7b/0x90 net/socket.c:2521
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fc6d7a38bd9
Code: Unable to access opcode bytes at RIP 0x7fc6d7a38baf.
RSP: 002b:00007fc6d6cba048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fc6d7bc6f60 RCX: 00007fc6d7a38bd9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007fc6d7aa7e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc6d7bc6f60 R15: 00007fff0ce5a788
Modules linked in:
---[ end trace 9357617e5363a815 ]---
RIP: 0010:arch_atomic64_read arch/x86/include/asm/atomic64_64.h:22 [inline]
RIP: 0010:atomic64_read include/linux/atomic/atomic-instrumented.h:606 [inline]
RIP: 0010:flush_tlb_func+0x4a/0x550 arch/x86/mm/tlb.c:736
Code: 8b 35 0a 96 cd 7e 65 66 44 8b 25 11 96 cd 7e 49 8d 9e 28 03 00 00 48 89 df be 08 00 00 00 e8 7d 98 7c 00 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 87 96 7c 00 4c 8b 3b 66 44 89 65
RSP: 0018:ffffc90000007500 EFLAGS: 00010006
RAX: 0000000000000065 RBX: 0000000000000329 RCX: ffff888139dce2c0
RDX: 0000000080010104 RSI: 0000000000000092 RDI: 00000000ffffffff
RBP: ffffc90000007570 R08: ffffffff8141703b R09: 0000000000000003
R10: fffffbfff0e5284c R11: dffffc0000000001 R12: 1ffff1103ee00000
R13: ffff8881f7137180 R14: 0000000000000001 R15: dffffc0000000000
FS: 00007fc6d6cba6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2f15af CR3: 000000011ffc7000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000080000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: e8 eb 05 00 00 call 0x5f0
5: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
c: fc ff df
f: 41 0f b6 04 17 movzbl (%r15,%rdx,1),%eax
14: 84 c0 test %al,%al
16: 0f 85 b6 00 00 00 jne 0xd2
1c: 41 c7 06 00 00 00 00 movl $0x0,(%r14)
23: 31 c0 xor %eax,%eax
25: 48 83 c4 50 add $0x50,%rsp
29: 5b pop %rbx
* 2a: 41 5c pop %r12 <-- trapping instruction
2c: 41 5d pop %r13
2e: 41 5e pop %r14
30: 41 5f pop %r15
32: 5d pop %rbp
33: c3 ret
34: 44 89 f1 mov %r14d,%ecx
37: 80 e1 07 and $0x7,%cl
3a: 80 c1 03 add $0x3,%cl
3d: 38 c1 cmp %al,%cl
3f: 0f .byte 0xf