general protection fault, probably for non-canonical address 0xf5249f0012a00064: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xa925180095000320-0xa925180095000327] CPU: 1 PID: 29208 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:htab_elem_free kernel/bpf/hashtab.c:769 [inline] RIP: 0010:htab_elem_free_rcu+0x4a/0x110 kernel/bpf/hashtab.c:779 Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bc 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b f8 48 8d 7d 18 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 82 00 00 00 44 8b 65 18 bf 05 RSP: 0018:ffffc90000da8e60 EFLAGS: 00010a03 RAX: dffffc0000000000 RBX: ffff88804a400010 RCX: 00000000ef8edc33 RDX: 1524a30012a00064 RSI: ffffffff8188c15e RDI: a925180095000325 RBP: a92518009500030d R08: 0000000000000000 R09: ffffffff8d7149bf R10: fffffbfff1ae2937 R11: 0000000000000000 R12: ffffc90000da8ee8 R13: ffff88804a400000 R14: 0000000000000000 R15: ffff888094634440 FS: 0000000002dc5940(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000002dc6a58 CR3: 000000009f2eb000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rcu_do_batch kernel/rcu/tree.c:2430 [inline] rcu_core+0x5ca/0x1130 kernel/rcu/tree.c:2658 __do_softirq+0x203/0xac5 kernel/softirq.c:298 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0xaa/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x235/0x280 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:631 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:653 [inline] RIP: 0010:qlink_free mm/kasan/quarantine.c:152 [inline] RIP: 0010:qlist_free_all+0xb4/0x170 mm/kasan/quarantine.c:168 Code: 48 c1 e8 03 42 c6 04 38 fb e8 08 85 ff ff 4d 85 f6 0f 85 85 00 00 00 48 83 3d cf eb 85 08 00 0f 84 8a 00 00 00 48 89 df 57 9d <0f> 1f 44 00 00 4d 85 e4 74 7d 48 85 ed 4c 89 e6 48 89 ef 0f 85 69 RSP: 0018:ffffc900061a78f0 EFLAGS: 00000282 RAX: 0000000000000acd RBX: 0000000000000282 RCX: ffffffff815a9227 RDX: ffff888094634440 RSI: 0000000000000000 RDI: 0000000000000282 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8d7149bf R10: fffffbfff1ae2937 R11: 0000000000000000 R12: ffff888090154200 R13: ffffc900061a7938 R14: 0000000000000200 R15: dffffc0000000000 quarantine_reduce+0x17e/0x200 mm/kasan/quarantine.c:261 __kasan_kmalloc.constprop.0+0x9e/0xd0 mm/kasan/common.c:442 slab_post_alloc_hook mm/slab.h:530 [inline] slab_alloc mm/slab.c:3314 [inline] kmem_cache_alloc+0x139/0x3d0 mm/slab.c:3484 vm_area_dup+0x88/0x2b0 kernel/fork.c:356 __split_vma+0xa5/0x560 mm/mmap.c:2708 split_vma+0x95/0xd0 mm/mmap.c:2766 mprotect_fixup+0x71c/0x940 mm/mprotect.c:473 do_mprotect_pkey+0x531/0x940 mm/mprotect.c:619 __do_sys_mprotect mm/mprotect.c:644 [inline] __se_sys_mprotect mm/mprotect.c:641 [inline] __x64_sys_mprotect+0x74/0xb0 mm/mprotect.c:641 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45df57 Code: 00 00 00 b8 0b 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 dd b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffe17c1f9e8 EFLAGS: 00000246 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 000000000045df57 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00007f8ef2646000 RBP: 00007ffe17c1fad0 R08: 000000000074f7e0 R09: 000000000074f7e0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe17c1fbc0 R13: 00007f8ef2666700 R14: 00007f8ef26669c0 R15: 000000000118bf2c Modules linked in: ---[ end trace 65d14d17df3e536b ]--- RIP: 0010:htab_elem_free kernel/bpf/hashtab.c:769 [inline] RIP: 0010:htab_elem_free_rcu+0x4a/0x110 kernel/bpf/hashtab.c:779 Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bc 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b f8 48 8d 7d 18 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 82 00 00 00 44 8b 65 18 bf 05 RSP: 0018:ffffc90000da8e60 EFLAGS: 00010a03 RAX: dffffc0000000000 RBX: ffff88804a400010 RCX: 00000000ef8edc33 RDX: 1524a30012a00064 RSI: ffffffff8188c15e RDI: a925180095000325 RBP: a92518009500030d R08: 0000000000000000 R09: ffffffff8d7149bf R10: fffffbfff1ae2937 R11: 0000000000000000 R12: ffffc90000da8ee8 R13: ffff88804a400000 R14: 0000000000000000 R15: ffff888094634440 FS: 0000000002dc5940(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000002dc6a58 CR3: 000000009f2eb000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600