------------[ cut here ]------------ HSR: Could not send supervision frame WARNING: CPU: 1 PID: 3348 at net/hsr/hsr_device.c:293 send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293 Modules linked in: CPU: 1 PID: 3348 Comm: dhcpcd Not tainted 5.15.0-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293 Code: 1d 0b e9 71 04 31 ff 89 de e8 cf 4a 8d f8 84 db 75 b6 e8 e6 46 8d f8 48 c7 c7 00 80 b7 8a c6 05 eb e8 71 04 01 e8 da d0 0c 00 <0f> 0b eb 9a e8 ca 46 8d f8 41 be 3c 00 00 00 ba 01 00 00 00 4c 89 RSP: 0000:ffffc90000508c60 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888017b99d00 RSI: ffffffff815f39c8 RDI: fffff520000a117e RBP: ffff88804c9a2c80 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff815ed79e R11: 0000000000000000 R12: ffff88801ac4aa00 R13: 0000000000000000 R14: ffff88801ac4aa18 R15: 0000000000000017 FS: 00007f28f5818740(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f28f58de0c8 CR3: 0000000017e00000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hsr_announce+0x109/0x330 net/hsr/hsr_device.c:382 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734 __run_timers kernel/time/timer.c:1715 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:dump_stack_lvl+0x12c/0x134 lib/dump_stack.c:108 Code: 48 85 ed 74 0a e8 49 1e 70 f8 e8 54 16 33 00 e8 3f 1e 70 f8 31 ff 48 89 de e8 c5 20 70 f8 48 85 db 74 06 e8 2b 1e 70 f8 fb 5b <5d> 41 5c e9 21 1e 70 f8 e8 1c 1e 70 f8 48 c7 c7 e0 24 e8 89 e9 bb RSP: 0000:ffffc90002a3f2e0 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffffc90002a3f568 RCX: 0000000000000000 RDX: ffff888017b99d00 RSI: ffffffff8907a845 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8fd5bc0f R10: ffffffff8907a83b R11: 0000000000000000 R12: ffffffff89e824e0 R13: ffffc90002a3f578 R14: 0000000000000000 R15: 0000000000000002 dump_header+0x106/0x624 mm/oom_kill.c:463 oom_kill_process.cold+0x10/0x15 mm/oom_kill.c:982 out_of_memory+0x119b/0x1460 mm/oom_kill.c:1101 __alloc_pages_may_oom mm/page_alloc.c:4314 [inline] __alloc_pages_slowpath.constprop.0+0x1b03/0x20d0 mm/page_alloc.c:5051 __alloc_pages+0x412/0x500 mm/page_alloc.c:5382 alloc_pages+0x1a7/0x300 mm/mempolicy.c:2191 __pte_alloc_one include/asm-generic/pgalloc.h:63 [inline] pte_alloc_one+0x16/0x230 arch/x86/mm/pgtable.c:33 __pte_alloc+0x69/0x250 mm/memory.c:464 copy_pte_range mm/memory.c:1024 [inline] copy_pmd_range mm/memory.c:1159 [inline] copy_pud_range mm/memory.c:1196 [inline] copy_p4d_range mm/memory.c:1220 [inline] copy_page_range+0x186e/0x42c0 mm/memory.c:1293 dup_mmap kernel/fork.c:609 [inline] dup_mm+0xa4e/0x13e0 kernel/fork.c:1450 copy_mm kernel/fork.c:1502 [inline] copy_process+0x6fe5/0x75a0 kernel/fork.c:2191 kernel_clone+0xe7/0xab0 kernel/fork.c:2581 __do_sys_clone+0xc8/0x110 kernel/fork.c:2698 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f28f58de0f2 Code: Unable to access opcode bytes at RIP 0x7f28f58de0c8. RSP: 002b:00007ffe8f70f310 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000561cad623e08 RCX: 00007f28f58de0f2 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000561cad623dd0 R10: 00007f28f5818a10 R11: 0000000000000246 R12: 0000000000000000 R13: 0000561cad623dd0 R14: 0000000000000000 R15: 0000561cad623e04 ---------------- Code disassembly (best guess): 0: 48 85 ed test %rbp,%rbp 3: 74 0a je 0xf 5: e8 49 1e 70 f8 callq 0xf8701e53 a: e8 54 16 33 00 callq 0x331663 f: e8 3f 1e 70 f8 callq 0xf8701e53 14: 31 ff xor %edi,%edi 16: 48 89 de mov %rbx,%rsi 19: e8 c5 20 70 f8 callq 0xf87020e3 1e: 48 85 db test %rbx,%rbx 21: 74 06 je 0x29 23: e8 2b 1e 70 f8 callq 0xf8701e53 28: fb sti 29: 5b pop %rbx * 2a: 5d pop %rbp <-- trapping instruction 2b: 41 5c pop %r12 2d: e9 21 1e 70 f8 jmpq 0xf8701e53 32: e8 1c 1e 70 f8 callq 0xf8701e53 37: 48 c7 c7 e0 24 e8 89 mov $0xffffffff89e824e0,%rdi 3e: e9 .byte 0xe9 3f: bb .byte 0xbb