BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/30949
caller is debug_smp_processor_id+0x20/0x24 lib/smp_processor_id.c:60
CPU: 1 PID: 30949 Comm: syz-executor.0 Not tainted 5.19.0-rc7-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<816f38f4>] (dump_backtrace) from [<816f3c24>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:253)
 r7:00000001 r6:8170ffec r5:60000113 r4:81d805d4
[<816f3c0c>] (show_stack) from [<816fc550>] (__dump_stack lib/dump_stack.c:88 [inline])
[<816f3c0c>] (show_stack) from [<816fc550>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<816fc508>] (dump_stack_lvl) from [<816fc574>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:81d8a41c r4:8446de00
[<816fc55c>] (dump_stack) from [<8170ffc8>] (check_preemption_disabled+0xfc/0x100 lib/smp_processor_id.c:49)
[<8170fecc>] (check_preemption_disabled) from [<8170ffec>] (debug_smp_processor_id+0x20/0x24 lib/smp_processor_id.c:60)
 r7:0000020e r6:8446de00 r5:0000000b r4:99999999
[<8170ffcc>] (debug_smp_processor_id) from [<80216a7c>] (harden_branch_predictor arch/arm/include/asm/system_misc.h:23 [inline])
[<8170ffcc>] (debug_smp_processor_id) from [<80216a7c>] (__do_user_fault+0x8c/0xfc arch/arm/mm/fault.c:163)
[<802169f0>] (__do_user_fault) from [<80216cf4>] (do_page_fault+0x18c/0x38c arch/arm/mm/fault.c:374)
 r9:82b13640 r8:82b13600 r7:8446de00 r6:0000020e r5:99999999 r4:ee66dfb0
[<80216b68>] (do_page_fault) from [<802170dc>] (do_DataAbort+0x38/0xa8 arch/arm/mm/fault.c:539)
 r10:7ec32544 r9:76f196d0 r8:80216b68 r7:ee66dfb0 r6:99999999 r5:0000020e
 r4:8241d288
[<802170a4>] (do_DataAbort) from [<80200dfc>] (__dabt_usr+0x5c/0x60 arch/arm/kernel/entry-armv.S:427)
Exception stack(0xee66dfb0 to 0xee66dff8)
dfa0:                                     99999999 99999d98 99999999 99999999
dfc0: 000144c8 000003ff 99999999 76f18c10 7ec323b2 76f196d0 7ec32544 76f1920c
dfe0: 00000000 76f18be0 000470e4 00046ecc 00000010 ffffffff
 r8:822a1044 r7:8446de00 r6:ffffffff r5:00000010 r4:00046ecc