general protection fault, probably for non-canonical address 0xdffffc0000000018: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x00000000000000c0-0x00000000000000c7] CPU: 1 PID: 7242 Comm: syz-executor.3 Not tainted 5.17.0-next-20220323 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:io_kill_timeouts+0x256/0x2bd Code: 74 09 3c 03 7f 05 e8 86 4a 76 fd 49 8d bc 24 c0 00 00 00 b8 ff ff 37 00 44 8b ad 40 03 00 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <8a> 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 be RSP: 0018:ffff88804103fcf0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000018 RSI: 0000000000000002 RDI: 00000000000000c0 RBP: ffff8880173bd000 R08: 0000000000000001 R09: ffffffff86a2283f R10: fffffbfff0d44507 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880173bd040 R15: dffffc0000000000 FS: 00007f4e65cab700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb3ece6a000 CR3: 000000001d3ba000 CR4: 0000000000350ee0 Call Trace: io_ring_ctx_wait_and_kill+0x17b/0x2d6 io_uring_setup.cold+0xfc9/0x2592 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f4e68756b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4e65cab108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: ffffffffffffffda RBX: 00007f4e6886a020 RCX: 00007f4e68756b19 RDX: 00000000200b0000 RSI: 0000000020000180 RDI: 0000000000003a04 RBP: 0000000020000180 R08: 0000000020000000 R09: 0000000020000000 R10: 0000000020000100 R11: 0000000000000202 R12: 0000000020000000 R13: 00000000200b0000 R14: 0000000020000100 R15: 00000000200a0000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:io_kill_timeouts+0x256/0x2bd Code: 74 09 3c 03 7f 05 e8 86 4a 76 fd 49 8d bc 24 c0 00 00 00 b8 ff ff 37 00 44 8b ad 40 03 00 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <8a> 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 be RSP: 0018:ffff88804103fcf0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000018 RSI: 0000000000000002 RDI: 00000000000000c0 RBP: ffff8880173bd000 R08: 0000000000000001 R09: ffffffff86a2283f R10: fffffbfff0d44507 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880173bd040 R15: dffffc0000000000 FS: 00007f4e65cab700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb3ece6a000 CR3: 000000001d3ba000 CR4: 0000000000350ee0 note: syz-executor.3[7242] exited with preempt_count 1 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 7258 Comm: syz-executor.6 Tainted: G D 5.17.0-next-20220323 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa should_failslab+0x5/0x10 kmem_cache_alloc+0x5b/0x480 create_object.isra.0+0x3a/0xa20 kmem_cache_alloc_trace+0x22e/0x3c0 percpu_ref_init+0xdb/0x3d0 io_uring_setup.cold+0x49d/0x2592 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f1a17199b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1a1470f108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: ffffffffffffffda RBX: 00007f1a172acf60 RCX: 00007f1a17199b19 RDX: 00000000200b0000 RSI: 0000000020000180 RDI: 0000000000003a04 RBP: 0000000020000180 R08: 0000000020000000 R09: 0000000020000000 R10: 0000000020000100 R11: 0000000000000202 R12: 0000000020000000 R13: 00000000200b0000 R14: 0000000020000100 R15: 00000000200a0000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 7261 Comm: syz-executor.7 Tainted: G D 5.17.0-next-20220323 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa should_failslab+0x5/0x10 kmem_cache_alloc+0x5b/0x480 create_object.isra.0+0x3a/0xa20 kmem_cache_alloc_trace+0x22e/0x3c0 percpu_ref_init+0xdb/0x3d0 io_uring_setup.cold+0x49d/0x2592 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fdee147ab19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdede9f0108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: ffffffffffffffda RBX: 00007fdee158df60 RCX: 00007fdee147ab19 RDX: 00000000200b0000 RSI: 0000000020000180 RDI: 0000000000003a04 RBP: 0000000020000180 R08: 0000000020000000 R09: 0000000020000000 R10: 0000000020000100 R11: 0000000000000202 R12: 0000000020000000 R13: 00000000200b0000 R14: 0000000020000100 R15: 00000000200a0000 CPU: 0 PID: 7260 Comm: syz-executor.0 Tainted: G D 5.17.0-next-20220323 #1 general protection fault, probably for non-canonical address 0xdffffc0000000018: 0000 [#2] PREEMPT SMP KASAN NOPTI Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 KASAN: null-ptr-deref in range [0x00000000000000c0-0x00000000000000c7] Call Trace: CPU: 1 PID: 7254 Comm: syz-executor.2 Tainted: G D 5.17.0-next-20220323 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 dump_stack_lvl+0x8b/0xb3 RIP: 0010:io_kill_timeouts+0x256/0x2bd should_fail.cold+0x5/0xa Code: 74 09 3c 03 7f 05 e8 86 4a 76 fd 49 8d bc 24 c0 00 00 00 b8 ff ff 37 00 44 8b ad 40 03 00 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <8a> 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 be RSP: 0018:ffff88803e73fcf0 EFLAGS: 00010216 should_failslab+0x5/0x10 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 kmem_cache_alloc+0x5b/0x480 RDX: 0000000000000018 RSI: ffffffff814a20a1 RDI: 00000000000000c0 create_object.isra.0+0x3a/0xa20 RBP: ffff88801acb6000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff814a2088 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88801acb6040 R15: dffffc0000000000 kmemleak_alloc_percpu+0xa0/0x100 FS: 00007fb646b42700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 pcpu_alloc+0x7bf/0x1060 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb3ece6c000 CR3: 00000000087b8000 CR4: 0000000000350ee0 percpu_ref_init+0x31/0x3d0 Call Trace: io_uring_setup.cold+0x49d/0x2592 io_ring_ctx_wait_and_kill+0x17b/0x2d6 io_uring_setup.cold+0xfc9/0x2592 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae do_syscall_64+0x3b/0x90 RIP: 0033:0x7fd50a974b19 entry_SYSCALL_64_after_hwframe+0x44/0xae Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RIP: 0033:0x7fb6495ccb19 RSP: 002b:00007fd507eea108 EFLAGS: 00000202 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 ORIG_RAX: 00000000000001a9 RSP: 002b:00007fb646b42108 EFLAGS: 00000202 RAX: ffffffffffffffda RBX: 00007fd50aa87f60 RCX: 00007fd50a974b19 ORIG_RAX: 00000000000001a9 RDX: 00000000200b0000 RSI: 0000000020000180 RDI: 0000000000003a04 RAX: ffffffffffffffda RBX: 00007fb6496dff60 RCX: 00007fb6495ccb19 RBP: 0000000020000180 R08: 0000000020000000 R09: 0000000020000000 RDX: 00000000200b0000 RSI: 0000000020000180 RDI: 0000000000003a04 R10: 0000000020000100 R11: 0000000000000202 R12: 0000000020000000 RBP: 0000000020000180 R08: 0000000020000000 R09: 0000000020000000 R13: 00000000200b0000 R14: 0000000020000100 R15: 00000000200a0000 R10: 0000000020000100 R11: 0000000000000202 R12: 0000000020000000 R13: 00000000200b0000 R14: 0000000020000100 R15: 00000000200a0000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:io_kill_timeouts+0x256/0x2bd Code: 74 09 3c 03 7f 05 e8 86 4a 76 fd 49 8d bc 24 c0 00 00 00 b8 ff ff 37 00 44 8b ad 40 03 00 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <8a> 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 be RSP: 0018:ffff88804103fcf0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000018 RSI: 0000000000000002 RDI: 00000000000000c0 RBP: ffff8880173bd000 R08: 0000000000000001 R09: ffffffff86a2283f R10: fffffbfff0d44507 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880173bd040 R15: dffffc0000000000 FS: 00007fb646b42700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb3ece6c000 CR3: 00000000087b8000 CR4: 0000000000350ee0 note: syz-executor.2[7254] exited with preempt_count 1 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7263 Comm: syz-executor.4 Tainted: G D 5.17.0-next-20220323 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa should_failslab+0x5/0x10 kmem_cache_alloc+0x5b/0x480 create_object.isra.0+0x3a/0xa20 kmem_cache_alloc_trace+0x22e/0x3c0 percpu_ref_init+0xdb/0x3d0 io_uring_setup.cold+0x49d/0x2592 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f7a7193eb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7a6eeb4108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: ffffffffffffffda RBX: 00007f7a71a51f60 RCX: 00007f7a7193eb19 RDX: 00000000200b0000 RSI: 0000000020000180 RDI: 0000000000003a04 RBP: 0000000020000180 R08: 0000000020000000 R09: 0000000020000000 R10: 0000000020000100 R11: 0000000000000202 R12: 0000000020000000 R13: 00000000200b0000 R14: 0000000020000100 R15: 00000000200a0000 kmemleak: 5 new suspected memory leaks (see /sys/kernel/debug/kmemleak) ---------------- Code disassembly (best guess): 0: 74 09 je 0xb 2: 3c 03 cmp $0x3,%al 4: 7f 05 jg 0xb 6: e8 86 4a 76 fd callq 0xfd764a91 b: 49 8d bc 24 c0 00 00 lea 0xc0(%r12),%rdi 12: 00 13: b8 ff ff 37 00 mov $0x37ffff,%eax 18: 44 8b ad 40 03 00 00 mov 0x340(%rbp),%r13d 1f: 48 89 fa mov %rdi,%rdx 22: 48 c1 e0 2a shl $0x2a,%rax 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 8a 14 02 mov (%rdx,%rax,1),%dl <-- trapping instruction 2d: 48 89 f8 mov %rdi,%rax 30: 83 e0 07 and $0x7,%eax 33: 83 c0 03 add $0x3,%eax 36: 38 d0 cmp %dl,%al 38: 7c 09 jl 0x43 3a: 84 d2 test %dl,%dl 3c: 74 05 je 0x43 3e: e8 .byte 0xe8 3f: be .byte 0xbe