BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/23832
caller is debug_smp_processor_id+0x20/0x24 lib/smp_processor_id.c:60
CPU: 1 PID: 23832 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 r4:84c80000
[<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)
 r7:00000a07 r6:84c80000 r5:0000000b r4:ffffffff
[<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)
 r9:8295ac40 r8:8295ac00 r7:84c80000 r6:00000a07 r5:ffffffff r4:ed8a9fb0
[<80216b68>] (do_page_fault) from [<802170dc>] (do_DataAbort+0x38/0xa8 arch/arm/mm/fault.c:539)
 r10:7eb06454 r9:76f336d0 r8:80216b68 r7:ed8a9fb0 r6:ffffffff r5:00000a07
 r4:8241d218
[<802170a4>] (do_DataAbort) from [<80200dfc>] (__dabt_usr+0x5c/0x60 arch/arm/kernel/entry-armv.S:427)
Exception stack(0xed8a9fb0 to 0xed8a9ff8)
9fa0:                                     00000000 200046c0 ffffffff 20004690
9fc0: ffffffff 0000000d 00080140 20ffa000 7eb062c2 76f336d0 7eb06454 76f3320c
9fe0: 20004600 76f32ff8 00000000 000142d4 80000010 ffffffff
 r8:822a1044 r7:84c80000 r6:ffffffff r5:80000010 r4:000142d4
BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/23832
caller is debug_smp_processor_id+0x20/0x24 lib/smp_processor_id.c:60
CPU: 1 PID: 23832 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 r4:84c80000
[<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)
 r7:00000a07 r6:84c80000 r5:0000000b r4:ffffffff
[<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)
 r9:8295ac40 r8:8295ac00 r7:84c80000 r6:00000a07 r5:ffffffff r4:ed8a9fb0
[<80216b68>] (do_page_fault) from [<802170dc>] (do_DataAbort+0x38/0xa8 arch/arm/mm/fault.c:539)
 r10:7eb06454 r9:76f336d0 r8:80216b68 r7:ed8a9fb0 r6:ffffffff r5:00000a07
 r4:8241d218
[<802170a4>] (do_DataAbort) from [<80200dfc>] (__dabt_usr+0x5c/0x60 arch/arm/kernel/entry-armv.S:427)
Exception stack(0xed8a9fb0 to 0xed8a9ff8)
9fa0:                                     00000000 200046c0 ffffffff 20004690
9fc0: ffffffff 0000000d 00080140 20ffa000 7eb062c2 76f336d0 7eb06454 76f3320c
9fe0: 20004600 76f32ff8 00000000 000142d4 80000010 ffffffff
 r8:822a1044 r7:84c80000 r6:ffffffff r5:80000010 r4:000142d4
BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/23832
caller is debug_smp_processor_id+0x20/0x24 lib/smp_processor_id.c:60
CPU: 1 PID: 23832 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 r4:84c80000
[<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)
 r7:00000a07 r6:84c80000 r5:0000000b r4:ffffffff
[<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)
 r9:8295ac40 r8:8295ac00 r7:84c80000 r6:00000a07 r5:ffffffff r4:ed8a9fb0
[<80216b68>] (do_page_fault) from [<802170dc>] (do_DataAbort+0x38/0xa8 arch/arm/mm/fault.c:539)
 r10:7eb06454 r9:76f336d0 r8:80216b68 r7:ed8a9fb0 r6:ffffffff r5:00000a07
 r4:8241d218
[<802170a4>] (do_DataAbort) from [<80200dfc>] (__dabt_usr+0x5c/0x60 arch/arm/kernel/entry-armv.S:427)
Exception stack(0xed8a9fb0 to 0xed8a9ff8)
9fa0:                                     00000000 200046c0 ffffffff 20004690
9fc0: ffffffff 0000000d 00080140 20ffa000 7eb062c2 76f336d0 7eb06454 76f3320c
9fe0: 20004600 76f32ff8 00000000 000142d4 80000010 ffffffff
 r8:822a1044 r7:84c80000 r6:ffffffff r5:80000010 r4:000142d4
BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/23832
caller is debug_smp_processor_id+0x20/0x24 lib/smp_processor_id.c:60
CPU: 1 PID: 23832 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 r4:84c80000
[<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)
 r7:00000a07 r6:84c80000 r5:0000000b r4:ffffffff
[<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)
 r9:8295ac40 r8:8295ac00 r7:84c80000 r6:00000a07 r5:ffffffff r4:ed8a9fb0
[<80216b68>] (do_page_fault) from [<802170dc>] (do_DataAbort+0x38/0xa8 arch/arm/mm/fault.c:539)
 r10:7eb06454 r9:76f336d0 r8:80216b68 r7:ed8a9fb0 r6:ffffffff r5:00000a07
 r4:8241d218
[<802170a4>] (do_DataAbort) from [<80200dfc>] (__dabt_usr+0x5c/0x60 arch/arm/kernel/entry-armv.S:427)
Exception stack(0xed8a9fb0 to 0xed8a9ff8)
9fa0:                                     00000000 200046c0 ffffffff 20004690
9fc0: ffffffff 0000000d 00080140 20ffa000 7eb062c2 76f336d0 7eb06454 76f3320c
9fe0: 20004600 76f32ff8 00000000 000142d4 80000010 ffffffff
 r8:822a1044 r7:84c80000 r6:ffffffff r5:80000010 r4:000142d4
BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/23832
caller is debug_smp_processor_id+0x20/0x24 lib/smp_processor_id.c:60
CPU: 1 PID: 23832 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 r4:84c80000
[<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)
 r7:00000a07 r6:84c80000 r5:0000000b r4:ffffffff
[<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)
 r9:8295ac40 r8:8295ac00 r7:84c80000 r6:00000a07 r5:ffffffff r4:ed8a9fb0
[<80216b68>] (do_page_fault) from [<802170dc>] (do_DataAbort+0x38/0xa8 arch/arm/mm/fault.c:539)
 r10:7eb06454 r9:76f336d0 r8:80216b68 r7:ed8a9fb0 r6:ffffffff r5:00000a07
 r4:8241d218
[<802170a4>] (do_DataAbort) from [<80200dfc>] (__dabt_usr+0x5c/0x60 arch/arm/kernel/entry-armv.S:427)
Exception stack(0xed8a9fb0 to 0xed8a9ff8)
9fa0:                                     00000000 200046c0 ffffffff 20004690
9fc0: ffffffff 0000000d 00080140 20ffa000 7eb062c2 76f336d0 7eb06454 76f3320c
9fe0: 20004600 76f32ff8 00000000 000142d4 80000010 ffffffff
 r8:822a1044 r7:84c80000 r6:ffffffff r5:80000010 r4:000142d4
BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/23832
caller is debug_smp_processor_id+0x20/0x24 lib/smp_processor_id.c:60
CPU: 1 PID: 23832 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 r4:84c80000
[<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)
 r7:00000a07 r6:84c80000 r5:0000000b r4:ffffffff
[<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)
 r9:8295ac40 r8:8295ac00 r7:84c80000 r6:00000a07 r5:ffffffff r4:ed8a9fb0
[<80216b68>] (do_page_fault) from [<802170dc>] (do_DataAbort+0x38/0xa8 arch/arm/mm/fault.c:539)
 r10:7eb06454 r9:76f336d0 r8:80216b68 r7:ed8a9fb0 r6:ffffffff r5:00000a07
 r4:8241d218
[<802170a4>] (do_DataAbort) from [<80200dfc>] (__dabt_usr+0x5c/0x60 arch/arm/kernel/entry-armv.S:427)
Exception stack(0xed8a9fb0 to 0xed8a9ff8)
9fa0:                                     00000000 200046c0 ffffffff 20004690
9fc0: ffffffff 0000000d 00080140 20ffa000 7eb062c2 76f336d0 7eb06454 76f3320c
9fe0: 20004600 76f32ff8 00000000 000142d4 80000010 ffffffff
 r8:822a1044 r7:84c80000 r6:ffffffff r5:80000010 r4:000142d4
BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/23832
caller is debug_smp_processor_id+0x20/0x24 lib/smp_processor_id.c:60
CPU: 1 PID: 23832 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 r4:84c80000
[<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)
 r7:00000a07 r6:84c80000 r5:0000000b r4:ffffffff
[<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)
 r9:8295ac40 r8:8295ac00 r7:84c80000 r6:00000a07 r5:ffffffff r4:ed8a9fb0
[<80216b68>] (do_page_fault) from [<802170dc>] (do_DataAbort+0x38/0xa8 arch/arm/mm/fault.c:539)
 r10:7eb06454 r9:76f336d0 r8:80216b68 r7:ed8a9fb0 r6:ffffffff r5:00000a07
 r4:8241d218
[<802170a4>] (do_DataAbort) from [<80200dfc>] (__dabt_usr+0x5c/0x60 arch/arm/kernel/entry-armv.S:427)
Exception stack(0xed8a9fb0 to 0xed8a9ff8)
9fa0:                                     00000000 200046c0 ffffffff 20004690
9fc0: ffffffff 0000000d 00080140 20ffa000 7eb062c2 76f336d0 7eb06454 76f3320c
9fe0: 20004600 76f32ff8 00000000 000142d4 80000010 ffffffff
 r8:822a1044 r7:84c80000 r6:ffffffff r5:80000010 r4:000142d4
BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/23832
caller is debug_smp_processor_id+0x20/0x24 lib/smp_processor_id.c:60
CPU: 1 PID: 23832 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 r4:84c80000
[<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)
 r7:00000a07 r6:84c80000 r5:0000000b r4:ffffffff
[<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)
 r9:8295ac40 r8:8295ac00 r7:84c80000 r6:00000a07 r5:ffffffff r4:ed8a9fb0
[<80216b68>] (do_page_fault) from [<802170dc>] (do_DataAbort+0x38/0xa8 arch/arm/mm/fault.c:539)
 r10:7eb06454 r9:76f336d0 r8:80216b68 r7:ed8a9fb0 r6:ffffffff r5:00000a07
 r4:8241d218
[<802170a4>] (do_DataAbort) from [<80200dfc>] (__dabt_usr+0x5c/0x60 arch/arm/kernel/entry-armv.S:427)
Exception stack(0xed8a9fb0 to 0xed8a9ff8)
9fa0:                                     00000000 200046c0 ffffffff 20004690
9fc0: ffffffff 0000000d 00080140 20ffa000 7eb062c2 76f336d0 7eb06454 76f3320c
9fe0: 20004600 76f32ff8 00000000 000142d4 80000010 ffffffff
 r8:822a1044 r7:84c80000 r6:ffffffff r5:80000010 r4:000142d4
BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/23832
caller is debug_smp_processor_id+0x20/0x24 lib/smp_processor_id.c:60
CPU: 1 PID: 23832 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 r4:84c80000
[<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)
 r7:00000a07 r6:84c80000 r5:0000000b r4:ffffffff
[<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)
 r9:8295ac40 r8:8295ac00 r7:84c80000 r6:00000a07 r5:ffffffff r4:ed8a9fb0
[<80216b68>] (do_page_fault) from [<802170dc>] (do_DataAbort+0x38/0xa8 arch/arm/mm/fault.c:539)
 r10:7eb06454 r9:76f336d0 r8:80216b68 r7:ed8a9fb0 r6:ffffffff r5:00000a07
 r4:8241d218
[<802170a4>] (do_DataAbort) from [<80200dfc>] (__dabt_usr+0x5c/0x60 arch/arm/kernel/entry-armv.S:427)
Exception stack(0xed8a9fb0 to 0xed8a9ff8)
9fa0:                                     00000000 200046c0 ffffffff 20004690
9fc0: ffffffff 0000000d 00080140 20ffa000 7eb062c2 76f336d0 7eb06454 76f3320c
9fe0: 20004600 76f32ff8 00000000 000142d4 80000010 ffffffff
 r8:822a1044 r7:84c80000 r6:ffffffff r5:80000010 r4:000142d4
BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/23832
caller is debug_smp_processor_id+0x20/0x24 lib/smp_processor_id.c:60
CPU: 1 PID: 23832 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 r4:84c80000
[<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)
 r7:00000a07 r6:84c80000 r5:0000000b r4:ffffffff
[<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)
 r9:8295ac40 r8:8295ac00 r7:84c80000 r6:00000a07 r5:ffffffff r4:ed8a9fb0
[<80216b68>] (do_page_fault) from [<802170dc>] (do_DataAbort+0x38/0xa8 arch/arm/mm/fault.c:539)
 r10:7eb06454 r9:76f336d0 r8:80216b68 r7:ed8a9fb0 r6:ffffffff r5:00000a07
 r4:8241d218
[<802170a4>] (do_DataAbort) from [<80200dfc>] (__dabt_usr+0x5c/0x60 arch/arm/kernel/entry-armv.S:427)
Exception stack(0xed8a9fb0 to 0xed8a9ff8)
9fa0:                                     00000000 200046c0 ffffffff 20004690
9fc0: ffffffff 0000000d 00080140 20ffa000 7eb062c2 76f336d0 7eb06454 76f3320c
9fe0: 20004600 76f32ff8 00000000 000142d4 80000010 ffffffff
 r8:822a1044 r7:84c80000 r6:ffffffff r5:80000010 r4:000142d4