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[syzbot] [kernel?] general protection fault in __cpa_flush_tlb | 1 (3) | 2025/07/03 08:45 |
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[syzbot] [kernel?] general protection fault in __cpa_flush_tlb | 1 (3) | 2025/07/03 08:45 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2025/07/17 12:04 | 23m | retest repro | linux-next | OK log | |
2025/07/17 12:04 | 22m | retest repro | linux-next | OK log | |
2025/07/17 12:04 | 3h16m | retest repro | linux-next | OK log | |
2025/07/03 01:02 | 35m | hdanton@sina.com | patch | linux-next | OK log |
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] CPU: 0 UID: 0 PID: 1089 Comm: kworker/u8:5 Not tainted 6.16.0-rc4-next-20250630-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: netns cleanup_net RIP: 0010:__cpa_addr arch/x86/mm/pat/set_memory.c:320 [inline] RIP: 0010:__cpa_flush_tlb+0x123/0x270 arch/x86/mm/pat/set_memory.c:408 Code: 8b 44 24 30 80 3c 18 00 74 08 4c 89 e7 e8 d5 c1 ae 00 4d 8b 24 24 85 ed 0f 85 ad 00 00 00 e8 c4 ad 4a 00 4c 89 e0 48 c1 e8 03 <80> 3c 18 00 4c 89 f5 74 08 4c 89 e7 e8 ac c1 ae 00 49 c1 e5 0c 4d RSP: 0018:ffffc90000007ef0 EFLAGS: 00010003 RAX: 0000000000000008 RBX: dffffc0000000000 RCX: ffff888026960000 RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8fa17437 R09: 1ffffffff1f42e86 R10: dffffc0000000000 R11: ffffffff81751cb0 R12: 0000000000000046 R13: 0000000000000000 R14: ffffc9000423f480 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff888125c1d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f639489130e CR3: 000000004f758000 CR4: 00000000003526f0 Call Trace: <IRQ> csd_do_func kernel/smp.c:134 [inline] __flush_smp_call_function_queue+0x370/0xaa0 kernel/smp.c:540 __sysvec_call_function_single+0xa8/0x3d0 arch/x86/kernel/smp.c:271 instr_sysvec_call_function_single arch/x86/kernel/smp.c:266 [inline] sysvec_call_function_single+0x9e/0xc0 arch/x86/kernel/smp.c:266 </IRQ> <TASK> asm_sysvec_call_function_single+0x1a/0x20 arch/x86/include/asm/idtentry.h:709 RIP: 0010:preempt_schedule_irq+0xb0/0x150 kernel/sched/core.c:7019 Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 4b 6c 1f f6 e8 26 94 56 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24 RSP: 0018:ffffc9000402f4c0 EFLAGS: 00000282 RAX: 6f5b54d61d387c00 RBX: 0000000000000000 RCX: 6f5b54d61d387c00 RDX: 0000000000000006 RSI: ffffffff8d992cd0 RDI: 0000000000000001 RBP: ffffc9000402f570 R08: ffffffff8fa17437 R09: 1ffffffff1f42e86 R10: dffffc0000000000 R11: fffffbfff1f42e87 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000805e98 irqentry_exit+0x6f/0x90 kernel/entry/common.c:307 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707 RIP: 0010:lockdep_unregister_key+0x2c5/0x310 kernel/locking/lockdep.c:6619 Code: 65 48 8b 05 1d 73 02 11 48 3b 44 24 10 0f 84 26 fe ff ff e8 ed e1 d1 09 e8 18 e3 d1 09 41 f7 c7 00 02 00 00 74 bd fb 40 84 ed <75> bc eb cd 90 0f 0b 90 e9 19 ff ff ff 90 0f 0b 90 e9 2a ff ff ff RSP: 0018:ffffc9000402f638 EFLAGS: 00000246 RAX: 6f5b54d61d387c00 RBX: ffff8880301d9a98 RCX: 6f5b54d61d387c00 RDX: ffffffff9363e358 RSI: ffffffff8d9a65dc RDI: ffffffff8be31d00 RBP: ffff8880301d9a00 R08: 0000000000000000 R09: ffffffff81aaac58 R10: dffffc0000000000 R11: fffffbfff1f42e87 R12: 0000000000000000 R13: 0000000000001000 R14: 0000000000000000 R15: 0000000000000206 __qdisc_destroy+0x166/0x420 net/sched/sch_generic.c:1081 qdisc_put net/sched/sch_generic.c:1107 [inline] dev_shutdown+0x34c/0x440 net/sched/sch_generic.c:1495 unregister_netdevice_many_notify+0xea7/0x2320 net/core/dev.c:12106 ops_exit_rtnl_list net/core/net_namespace.c:188 [inline] ops_undo_list+0x3dc/0x990 net/core/net_namespace.c:249 cleanup_net+0x4c5/0x800 net/core/net_namespace.c:686 process_one_work kernel/workqueue.c:3239 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3322 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3403 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__cpa_addr arch/x86/mm/pat/set_memory.c:320 [inline] RIP: 0010:__cpa_flush_tlb+0x123/0x270 arch/x86/mm/pat/set_memory.c:408 Code: 8b 44 24 30 80 3c 18 00 74 08 4c 89 e7 e8 d5 c1 ae 00 4d 8b 24 24 85 ed 0f 85 ad 00 00 00 e8 c4 ad 4a 00 4c 89 e0 48 c1 e8 03 <80> 3c 18 00 4c 89 f5 74 08 4c 89 e7 e8 ac c1 ae 00 49 c1 e5 0c 4d RSP: 0018:ffffc90000007ef0 EFLAGS: 00010003 RAX: 0000000000000008 RBX: dffffc0000000000 RCX: ffff888026960000 RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8fa17437 R09: 1ffffffff1f42e86 R10: dffffc0000000000 R11: ffffffff81751cb0 R12: 0000000000000046 R13: 0000000000000000 R14: ffffc9000423f480 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff888125c1d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f639489130e CR3: 000000004f758000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: 8b 44 24 30 mov 0x30(%rsp),%eax 4: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) 8: 74 08 je 0x12 a: 4c 89 e7 mov %r12,%rdi d: e8 d5 c1 ae 00 call 0xaec1e7 12: 4d 8b 24 24 mov (%r12),%r12 16: 85 ed test %ebp,%ebp 18: 0f 85 ad 00 00 00 jne 0xcb 1e: e8 c4 ad 4a 00 call 0x4aade7 23: 4c 89 e0 mov %r12,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) <-- trapping instruction 2e: 4c 89 f5 mov %r14,%rbp 31: 74 08 je 0x3b 33: 4c 89 e7 mov %r12,%rdi 36: e8 ac c1 ae 00 call 0xaec1e7 3b: 49 c1 e5 0c shl $0xc,%r13 3f: 4d rex.WRB
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/07/01 22:08 | linux-next | 1343433ed389 | ffe4b334 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | general protection fault in __cpa_flush_tlb | ||
2025/06/30 09:17 | linux-next | 1343433ed389 | fc9d8ee5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | general protection fault in __cpa_flush_tlb | ||
2025/07/03 05:59 | linux-next | 50c8770a42fa | 0cd59a8f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: slab-out-of-bounds Read in __cpa_flush_tlb | ||
2025/07/02 15:49 | linux-next | 50c8770a42fa | 0cd59a8f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: out-of-bounds Read in __cpa_flush_tlb | ||
2025/07/02 14:36 | linux-next | 50c8770a42fa | 0cd59a8f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: stack-out-of-bounds Read in __cpa_flush_tlb | ||
2025/07/02 09:16 | linux-next | 1343433ed389 | ffe4b334 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: out-of-bounds Read in __cpa_flush_tlb | ||
2025/07/01 20:57 | linux-next | 1343433ed389 | ffe4b334 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: stack-out-of-bounds Read in __cpa_flush_tlb | ||
2025/07/01 15:31 | linux-next | 1343433ed389 | 6e83b42d | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: out-of-bounds Read in __cpa_flush_tlb | ||
2025/07/01 12:53 | linux-next | 1343433ed389 | 6e83b42d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: out-of-bounds Read in __cpa_flush_tlb | ||
2025/07/01 10:52 | linux-next | 1343433ed389 | 6e83b42d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: out-of-bounds Read in __cpa_flush_tlb | ||
2025/07/01 10:52 | linux-next | 1343433ed389 | 6e83b42d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: out-of-bounds Read in __cpa_flush_tlb | ||
2025/07/01 06:19 | linux-next | 1343433ed389 | 6e83b42d | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: out-of-bounds Read in __cpa_flush_tlb | ||
2025/06/30 22:53 | linux-next | 1343433ed389 | 6e83b42d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: out-of-bounds Read in __cpa_flush_tlb | ||
2025/06/30 18:09 | linux-next | 1343433ed389 | fc9d8ee5 | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: out-of-bounds Read in __cpa_flush_tlb | ||
2025/06/30 10:58 | linux-next | 1343433ed389 | fc9d8ee5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: out-of-bounds Read in __cpa_flush_tlb | ||
2025/06/30 10:57 | linux-next | 1343433ed389 | fc9d8ee5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | KASAN: out-of-bounds Read in __cpa_flush_tlb |