* [syzbot] riscv/fixes boot error: WARNING in vmap_small_pages_range_noflush
@ 2021-05-23 6:59 syzbot
0 siblings, 0 replies; only message in thread
From: syzbot @ 2021-05-23 6:59 UTC (permalink / raw)
To: andrii, aou, ast, bjorn, bpf, daniel, john.fastabend, kafai,
kpsingh, linux-kernel, linux-riscv, luke.r.nels, netdev, palmer,
paul.walmsley, songliubraving, syzkaller-bugs, xi.wang, yhs
Hello,
syzbot found the following issue on:
HEAD commit: bab0d47c riscv: kexec: Fix W=1 build warnings
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes
console output: https://syzkaller.appspot.com/x/log.txt?x=10f59535d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=e610cd256ee3a8
dashboard link: https://syzkaller.appspot.com/bug?extid=06b228c6b9c37dcd3d79
userspace arch: riscv64
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+06b228c6b9c37dcd3d79@syzkaller.appspotmail.com
------------[ cut here ]------------
WARNING: CPU: 1 PID: 2996 at mm/vmalloc.c:448 vmap_pages_pte_range mm/vmalloc.c:448 [inline]
WARNING: CPU: 1 PID: 2996 at mm/vmalloc.c:448 vmap_pages_pmd_range mm/vmalloc.c:471 [inline]
WARNING: CPU: 1 PID: 2996 at mm/vmalloc.c:448 vmap_pages_pud_range mm/vmalloc.c:489 [inline]
WARNING: CPU: 1 PID: 2996 at mm/vmalloc.c:448 vmap_pages_p4d_range mm/vmalloc.c:507 [inline]
WARNING: CPU: 1 PID: 2996 at mm/vmalloc.c:448 vmap_small_pages_range_noflush+0x2fa/0x38e mm/vmalloc.c:529
Modules linked in:
CPU: 1 PID: 2996 Comm: dhcpcd Not tainted 5.13.0-rc1-syzkaller-00629-gbab0d47c0ebb #0
Hardware name: riscv-virtio,qemu (DT)
epc : vmap_pages_pte_range mm/vmalloc.c:448 [inline]
epc : vmap_pages_pmd_range mm/vmalloc.c:471 [inline]
epc : vmap_pages_pud_range mm/vmalloc.c:489 [inline]
epc : vmap_pages_p4d_range mm/vmalloc.c:507 [inline]
epc : vmap_small_pages_range_noflush+0x2fa/0x38e mm/vmalloc.c:529
ra : vmap_pages_pte_range mm/vmalloc.c:448 [inline]
ra : vmap_pages_pmd_range mm/vmalloc.c:471 [inline]
ra : vmap_pages_pud_range mm/vmalloc.c:489 [inline]
ra : vmap_pages_p4d_range mm/vmalloc.c:507 [inline]
ra : vmap_small_pages_range_noflush+0x2fa/0x38e mm/vmalloc.c:529
epc : ffffffff8036c3e4 ra : ffffffff8036c3e4 sp : ffffffe00984b900
gp : ffffffff845906e0 tp : ffffffe007d817c0 t0 : ffffffe008f1d000
t1 : ffffffc4011e39ff t2 : 0000004000010015 s0 : ffffffe00984b9b0
s1 : ffffffcf02244700 a0 : 0000000000000000 a1 : 00000000000f0000
a2 : 0000000000000002 a3 : ffffffff8036c3e4 a4 : ffffffe007d827c0
a5 : 0000000000000000 a6 : 0000000000f00000 a7 : f310d86cfc0c1a00
s2 : ffffffe005a00a28 s3 : ffffffff85b45000 s4 : ffffffff85b46000
s5 : 0000000000000000 s6 : 0000000000000200 s7 : ffffffe07fdfd168
s8 : ffffffe00e09f528 s9 : 0000003100000000 s10: ffffffe008eb8fa0
s11: 00000000000000c7 t3 : 0000000000000000 t4 : 0000000000000040
t5 : ffffffc4011e3a00 t6 : ffffffd00067e2d0
status: 0000000000000120 badaddr: 0000000000000000 cause: 0000000000000003
[<ffffffff8036c3e4>] vmap_pages_pte_range mm/vmalloc.c:448 [inline]
[<ffffffff8036c3e4>] vmap_pages_pmd_range mm/vmalloc.c:471 [inline]
[<ffffffff8036c3e4>] vmap_pages_pud_range mm/vmalloc.c:489 [inline]
[<ffffffff8036c3e4>] vmap_pages_p4d_range mm/vmalloc.c:507 [inline]
[<ffffffff8036c3e4>] vmap_small_pages_range_noflush+0x2fa/0x38e mm/vmalloc.c:529
[<ffffffff80375a7a>] vmap_pages_range_noflush mm/vmalloc.c:558 [inline]
[<ffffffff80375a7a>] vmap_pages_range mm/vmalloc.c:592 [inline]
[<ffffffff80375a7a>] __vmalloc_area_node mm/vmalloc.c:2829 [inline]
[<ffffffff80375a7a>] __vmalloc_node_range+0x396/0x582 mm/vmalloc.c:2915
[<ffffffff80013c06>] bpf_jit_alloc_exec+0x46/0x52 arch/riscv/net/bpf_jit_core.c:171
[<ffffffff801f3d2a>] bpf_jit_binary_alloc+0xac/0x172 kernel/bpf/core.c:872
[<ffffffff80013a3a>] bpf_int_jit_compile+0x754/0x8da arch/riscv/net/bpf_jit_core.c:108
[<ffffffff801f59e0>] bpf_prog_select_runtime+0x258/0x2e4 kernel/bpf/core.c:1867
[<ffffffff821f9af2>] bpf_migrate_filter+0x1d6/0x23c net/core/filter.c:1294
[<ffffffff82201854>] bpf_prepare_filter net/core/filter.c:1342 [inline]
[<ffffffff82201854>] __get_filter+0x1d6/0x2d0 net/core/filter.c:1511
[<ffffffff82202992>] sk_attach_filter+0x22/0x11a net/core/filter.c:1526
[<ffffffff82154d82>] sock_setsockopt+0x18c4/0x1c2c net/core/sock.c:1068
[<ffffffff82145172>] __sys_setsockopt+0x2de/0x33c net/socket.c:2113
[<ffffffff8214520a>] __do_sys_setsockopt net/socket.c:2128 [inline]
[<ffffffff8214520a>] sys_setsockopt+0x3a/0x4c net/socket.c:2125
[<ffffffff8000562c>] ret_from_syscall+0x0/0x2
irq event stamp: 946
hardirqs last enabled at (945): [<ffffffff8037e5e4>] rmqueue_pcplist mm/page_alloc.c:3506 [inline]
hardirqs last enabled at (945): [<ffffffff8037e5e4>] rmqueue mm/page_alloc.c:3529 [inline]
hardirqs last enabled at (945): [<ffffffff8037e5e4>] get_page_from_freelist+0xc50/0xf66 mm/page_alloc.c:3991
hardirqs last disabled at (946): [<ffffffff80005570>] _save_context+0x80/0x90
softirqs last enabled at (942): [<ffffffff82b272a0>] softirq_handle_end kernel/softirq.c:402 [inline]
softirqs last enabled at (942): [<ffffffff82b272a0>] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:588
softirqs last disabled at (921): [<ffffffff80036760>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (921): [<ffffffff80036760>] invoke_softirq kernel/softirq.c:440 [inline]
softirqs last disabled at (921): [<ffffffff80036760>] __irq_exit_rcu kernel/softirq.c:637 [inline]
softirqs last disabled at (921): [<ffffffff80036760>] irq_exit+0x1a0/0x1b6 kernel/softirq.c:661
---[ end trace f164002e4a3f575f ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 2996 at mm/vmalloc.c:305 vunmap_pte_range mm/vmalloc.c:305 [inline]
WARNING: CPU: 1 PID: 2996 at mm/vmalloc.c:305 vunmap_pmd_range mm/vmalloc.c:329 [inline]
WARNING: CPU: 1 PID: 2996 at mm/vmalloc.c:305 vunmap_pud_range mm/vmalloc.c:354 [inline]
WARNING: CPU: 1 PID: 2996 at mm/vmalloc.c:305 vunmap_p4d_range mm/vmalloc.c:377 [inline]
WARNING: CPU: 1 PID: 2996 at mm/vmalloc.c:305 vunmap_range_noflush+0x206/0x308 mm/vmalloc.c:408
Modules linked in:
CPU: 1 PID: 2996 Comm: dhcpcd Tainted: G W 5.13.0-rc1-syzkaller-00629-gbab0d47c0ebb #0
Hardware name: riscv-virtio,qemu (DT)
epc : vunmap_pte_range mm/vmalloc.c:305 [inline]
epc : vunmap_pmd_range mm/vmalloc.c:329 [inline]
epc : vunmap_pud_range mm/vmalloc.c:354 [inline]
epc : vunmap_p4d_range mm/vmalloc.c:377 [inline]
epc : vunmap_range_noflush+0x206/0x308 mm/vmalloc.c:408
ra : vunmap_pte_range mm/vmalloc.c:305 [inline]
ra : vunmap_pmd_range mm/vmalloc.c:329 [inline]
ra : vunmap_pud_range mm/vmalloc.c:354 [inline]
ra : vunmap_p4d_range mm/vmalloc.c:377 [inline]
ra : vunmap_range_noflush+0x206/0x308 mm/vmalloc.c:408
epc : ffffffff80372b18 ra : ffffffff80372b18 sp : ffffffe00984b820
gp : ffffffff845906e0 tp : ffffffe007d817c0 t0 : ffffffe008f1d000
t1 : 0000000000000001 t2 : 0000004000010015 s0 : ffffffe00984b8b0
s1 : ffffffe005a00a28 a0 : 0000000000000000 a1 : 00000000000f0000
a2 : 0000000000000002 a3 : ffffffff80372b18 a4 : ffffffe007d827c0
a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffff80374a74
s2 : ffffffff85b45000 s3 : ffffffff85b47000 s4 : 0000000000000000
s5 : ffffffe07fdfd168 s6 : 0000000000001000 s7 : ffffffff85b47000
s8 : ffffffff85b46fff s9 : 0000000000000000 s10: 0000000000000200
s11: ffffffff83858890 t3 : f310d86cfc0c1a00 t4 : 0000000000000040
t5 : ffffffc4011e3a00 t6 : ffffffd00067e2d0
status: 0000000000000120 badaddr: 0000000000000000 cause: 0000000000000003
[<ffffffff80372b18>] vunmap_pte_range mm/vmalloc.c:305 [inline]
[<ffffffff80372b18>] vunmap_pmd_range mm/vmalloc.c:329 [inline]
[<ffffffff80372b18>] vunmap_pud_range mm/vmalloc.c:354 [inline]
[<ffffffff80372b18>] vunmap_p4d_range mm/vmalloc.c:377 [inline]
[<ffffffff80372b18>] vunmap_range_noflush+0x206/0x308 mm/vmalloc.c:408
[<ffffffff80372c4a>] free_unmap_vmap_area+0x30/0x68 mm/vmalloc.c:1722
[<ffffffff80374b82>] remove_vm_area+0x150/0x152 mm/vmalloc.c:2462
[<ffffffff80374dce>] vm_remove_mappings mm/vmalloc.c:2491 [inline]
[<ffffffff80374dce>] __vunmap+0x24a/0x616 mm/vmalloc.c:2556
[<ffffffff8037525a>] __vfree+0x70/0xf8 mm/vmalloc.c:2613
[<ffffffff80375b9c>] __vmalloc_area_node mm/vmalloc.c:2840 [inline]
[<ffffffff80375b9c>] __vmalloc_node_range+0x4b8/0x582 mm/vmalloc.c:2915
[<ffffffff80013c06>] bpf_jit_alloc_exec+0x46/0x52 arch/riscv/net/bpf_jit_core.c:171
[<ffffffff801f3d2a>] bpf_jit_binary_alloc+0xac/0x172 kernel/bpf/core.c:872
[<ffffffff80013a3a>] bpf_int_jit_compile+0x754/0x8da arch/riscv/net/bpf_jit_core.c:108
[<ffffffff801f59e0>] bpf_prog_select_runtime+0x258/0x2e4 kernel/bpf/core.c:1867
[<ffffffff821f9af2>] bpf_migrate_filter+0x1d6/0x23c net/core/filter.c:1294
[<ffffffff82201854>] bpf_prepare_filter net/core/filter.c:1342 [inline]
[<ffffffff82201854>] __get_filter+0x1d6/0x2d0 net/core/filter.c:1511
[<ffffffff82202992>] sk_attach_filter+0x22/0x11a net/core/filter.c:1526
[<ffffffff82154d82>] sock_setsockopt+0x18c4/0x1c2c net/core/sock.c:1068
[<ffffffff82145172>] __sys_setsockopt+0x2de/0x33c net/socket.c:2113
[<ffffffff8214520a>] __do_sys_setsockopt net/socket.c:2128 [inline]
[<ffffffff8214520a>] sys_setsockopt+0x3a/0x4c net/socket.c:2125
[<ffffffff8000562c>] ret_from_syscall+0x0/0x2
irq event stamp: 964
hardirqs last enabled at (963): [<ffffffff82b264ac>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last enabled at (963): [<ffffffff82b264ac>] _raw_spin_unlock_irqrestore+0x68/0x98 kernel/locking/spinlock.c:191
hardirqs last disabled at (964): [<ffffffff80005570>] _save_context+0x80/0x90
softirqs last enabled at (956): [<ffffffff82b272a0>] softirq_handle_end kernel/softirq.c:402 [inline]
softirqs last enabled at (956): [<ffffffff82b272a0>] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:588
softirqs last disabled at (949): [<ffffffff80036760>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (949): [<ffffffff80036760>] invoke_softirq kernel/softirq.c:440 [inline]
softirqs last disabled at (949): [<ffffffff80036760>] __irq_exit_rcu kernel/softirq.c:637 [inline]
softirqs last disabled at (949): [<ffffffff80036760>] irq_exit+0x1a0/0x1b6 kernel/softirq.c:661
---[ end trace f164002e4a3f5760 ]---
---
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2021-05-23 6:59 [syzbot] riscv/fixes boot error: WARNING in vmap_small_pages_range_noflush syzbot
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