last executing test programs: 1m52.466660211s ago: executing program 1 (id=92): r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000000c0)={0x26, 'hash\x00', 0x0, 0x0, 'wp384\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000140)='{', 0x1}], 0x1, 0x0, 0x0, 0x4048170}], 0x1, 0x240088d4) accept(r1, 0x0, 0x0) 1m42.011011925s ago: executing program 0 (id=93): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22}, 0x1c) listen(r0, 0x3) syz_emit_ethernet(0x4a, &(0x7f0000000280)={@local, @dev, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a9646", 0x14, 0x6, 0x0, @empty, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x2}}}}}}}, 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @broadcast, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "8b0700", 0x18, 0x6, 0xff, @empty, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0x4, 0x0, 0x0, 0x0, {[@generic={0xfe, 0x2}]}}}}}}}}, 0x0) 1m36.967864837s ago: executing program 1 (id=94): r0 = bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x15, 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='syzkaller\x00', 0x1, 0xc3, &(0x7f00000002c0)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_reuseport}, 0x48) r1 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$sock_int(r1, 0x1, 0x1000000000000f, &(0x7f0000000180)=0x6, 0x4) setsockopt$sock_attach_bpf(r1, 0x1, 0x34, &(0x7f0000000000)=r0, 0x4) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x33, &(0x7f00000a2000)={0x1, &(0x7f0000000200)=[{0x6}]}, 0x10) 1m25.44934235s ago: executing program 0 (id=95): r0 = socket$inet6(0xa, 0x3, 0x8000000003c) sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000004780)=[{{&(0x7f0000000080)={0xa, 0x4e21, 0x3, @ipv4={'\x00', '\xff\xff', @private=0xa010101}, 0x7901}, 0x1c, 0x0, 0x0, 0x0, 0xfffffffffffffe2d}}], 0x1, 0x2400e801) setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f0000000440)=@raw={'raw\x00', 0x8, 0x3, 0x4c8, 0x0, 0xffffffff, 0xffffffff, 0x0, 0xffffffff, 0x3f8, 0xffffffff, 0xffffffff, 0x3f8, 0xffffffff, 0x3, 0x0, {[{{@ipv6={@private0, @mcast2, [], [0x0, 0x0, 0x0, 0xffffff00], 'veth0_macvtap\x00', 'dvmrp1\x00'}, 0x0, 0x148, 0x170, 0x0, {}, [@common=@unspec=@helper={{0x48}}, @common=@inet=@hashlimit1={{0x58}, {'bond_slave_1\x00', {0x41, 0x1ff, 0x6, 0xb0e2, 0x10001, 0x84e, 0xfffffffb, 0x18, 0x8}, {0x1}}}]}, @common=@unspec=@NFQUEUE0={0x28}}, {{@ipv6={@remote, @ipv4={'\x00', '\xff\xff', @dev}, [], [], 'erspan0\x00', 'gre0\x00'}, 0x0, 0x258, 0x288, 0x0, {}, [@common=@inet=@hashlimit1={{0x58}, {'pim6reg\x00', {0x0, 0x0, 0x5, 0x0, 0x0, 0x7, 0x3ff}}}, @common=@inet=@hashlimit3={{0x158}, {'vcan0\x00', {0x3, 0x0, 0x41, 0x0, 0x2, 0x1000, 0x6, 0x3}}}]}, @common=@unspec=@CONNMARK={0x30}}], {{'\x00', 0x0, 0xa8, 0xd0}, {0x28, '\x00', 0x7}}}}, 0x528) connect$inet6(r0, &(0x7f0000000200)={0xa, 0x4e20, 0x2, @empty, 0xc}, 0x1c) sendmsg(r0, &(0x7f00000000c0)={0x0, 0x9521, &(0x7f0000000100)=[{&(0x7f0000000000)="2c10", 0xffd0}], 0x1, 0x0, 0x0, 0x2c}, 0x44004) 1m10.604899887s ago: executing program 1 (id=96): r0 = socket$kcm(0x2d, 0x2, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMATTACH(r0, 0x89e0, &(0x7f00000000c0)={r1}) ioctl$sock_kcm_SIOCKCMATTACH(r0, 0x89e0, &(0x7f0000000100)={r2}) close(0x3) 1m4.698528363s ago: executing program 0 (id=97): r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f00000000c0)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r0, 0x0) accept(r0, 0x0, 0x0) shutdown(r0, 0x0) 54.691897513s ago: executing program 1 (id=98): r0 = socket$packet(0x11, 0x2, 0x300) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'lo\x00', 0x0}) bind$packet(r0, &(0x7f00000001c0)={0x11, 0x0, r2, 0x1, 0x77, 0x6, @broadcast}, 0x14) writev(r0, &(0x7f0000000440)=[{&(0x7f0000000180)='\"', 0x1}], 0x1) 48.77357869s ago: executing program 0 (id=99): r0 = bpf$PROG_LOAD(0x5, &(0x7f00000006c0)={0x6, 0xe, &(0x7f00000008c0)=ANY=[@ANYBLOB="b7020000ff0d0000bfa30000000000000703000000feffff7a0af0fff8ffff1971a4f0ff00000000b7060000080000006f6400000000000045040400010000001704000001000a00b7040000ff0100006a0a00fe0000000085000000bd000000b70000000000000095000000000000009e17f199a68b06d83298a8cdc21ce784909b849d5550ad857d0454d8877a6db61d69f2ffcaa10350e11cb97c8adf1bc9a0c4eeceb9971e43405d621ffbc9ce000000d8ca56b50d0c010d631f6dde53a9a53608c10556e5734eb84049761451ce540c772e2d9f8004e26f7fcc059c062234d5595f6fbaa187b81d1106000000000fd60000fd9ac3d09e29a9d542ca9d85a5c9c88474895d679838def0a83a733dc6a39b63a5ed69d32394c53361d7e43c5cbd80450f859ce8122a79c3e40000b59b0fc46d6cec3c0802882add4e3179bd4a44f231b6d753a7be428ba953df4aece69311687f4122073a236c3a32efa04137d4524847d2638da3261c8162bb7c7824be6195a66d2e17e122040e1100000000928612a29fc691e4f1f7bd053abb885f39381f1759410b1059f05684261f332d606834669b49ec99320ca7712d7e79bd5bf5ed818ecc7640917f6a559a47db608fcf9f6c131b84e41c354c66838f72b9e12d36e996f316f0812ca83efb30c7f6c6d57c4a64590401eec22523dd712c680013e87f649a1ede7142ca9d5d8a8c9f9b440fe4331ad5532c74d9a31a5d737537f7a2caa30581253d14dd3e92af7dc836686365ae01bdec561c0402b67801267a8df97d2f85426a5963d4fa3e26cc05972c162f223f000000d999e80de00fcbcc02d0aed7bb8f7ba337d59c14f39dcd4aad4139ef6425a9367f1bd1467fc6b95a4df7669839771ce9d5788029901e5a79d8b9990ace8f74087f25ad50c46088000000008000"/686], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @xdp, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x3a, 0x10, &(0x7f0000000340), 0xd58495bc, 0x0, 0xffffffffffffffff, 0xffffffffffffff5b}, 0x42) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000400)={'syz_tun\x00', 0x0}) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f0000000380)={r0, r2, 0x25, 0x0, @val=@tcx}, 0x1c) syz_emit_ethernet(0x46, &(0x7f0000000180)=ANY=[], 0x0) 36.776504087s ago: executing program 1 (id=100): r0 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000000)={'vcan0\x00', 0x0}) bind$can_j1939(r0, &(0x7f00000000c0)={0x1d, r1}, 0x18) connect$can_j1939(r0, &(0x7f0000000140)={0x1d, r1, 0x0, {0x0, 0x0, 0x4}}, 0x18) sendmmsg$inet(r0, &(0x7f0000001880)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000380)="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", 0x6fa}], 0x1}}], 0x1, 0x0) 18.423644712s ago: executing program 0 (id=101): r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0xa4242, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3000007, 0x38011, r0, 0x0) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0xe) r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40081271, &(0x7f0000000980)=0x4000) 18.212798338s ago: executing program 1 (id=102): r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x14d802, 0x0) r1 = dup(r0) ioctl$FS_IOC_SETFLAGS(r1, 0x40081271, &(0x7f0000000040)=0x10000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000002, 0x28011, r1, 0x2c93a000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) 0s ago: executing program 0 (id=103): r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_int(r0, 0x107, 0xa, &(0x7f0000000080)=0x2, 0x4) setsockopt$packet_rx_ring(r0, 0x107, 0x5, &(0x7f0000000140)=@req3={0x1000, 0x3a, 0x1000, 0x3a, 0x3ff, 0x2, 0x2000005}, 0x1c) r1 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000400)={0x34}) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:7015' (ED25519) to the list of known hosts. syzkaller login: [ 632.753980][ T3212] cgroup: Unknown subsys name 'net' [ 633.606439][ T3212] cgroup: Unknown subsys name 'cpuset' [ 633.732878][ T3212] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 727.416853][ T3212] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 875.492201][ T3225] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 875.763403][ T3225] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 881.451545][ T3224] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 881.642141][ T3224] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 899.778993][ T3225] hsr_slave_0: entered promiscuous mode [ 899.851067][ T3225] hsr_slave_1: entered promiscuous mode [ 903.177271][ T3224] hsr_slave_0: entered promiscuous mode [ 903.277315][ T3224] hsr_slave_1: entered promiscuous mode [ 903.322404][ T3224] debugfs: 'hsr0' already exists in 'hsr' [ 903.326740][ T3224] Cannot create hsr debugfs directory [ 917.162596][ T3225] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 917.577028][ T3225] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 917.742293][ T3225] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 917.863836][ T3225] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 917.983697][ T3225] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 918.127215][ T3225] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 918.205142][ T3225] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 918.530534][ T3225] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 922.410924][ T3224] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 922.911279][ T3224] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 923.055098][ T3224] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 923.280316][ T3224] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 923.514101][ T3224] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 923.894910][ T3224] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 925.212710][ T3224] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 925.647179][ T3224] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 964.736388][ T3225] 8021q: adding VLAN 0 to HW filter on device bond0 [ 965.405466][ T3224] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1089.729762][ T3225] veth0_vlan: entered promiscuous mode [ 1093.917246][ T3225] veth1_vlan: entered promiscuous mode [ 1094.247208][ T3224] veth0_vlan: entered promiscuous mode [ 1096.032215][ T3224] veth1_vlan: entered promiscuous mode [ 1098.943437][ T3225] veth0_macvtap: entered promiscuous mode [ 1100.243515][ T3225] veth1_macvtap: entered promiscuous mode [ 1101.122959][ T3224] veth0_macvtap: entered promiscuous mode [ 1102.090002][ T3224] veth1_macvtap: entered promiscuous mode [ 1104.396969][ T53] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1104.581975][ T53] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1104.806505][ T53] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1104.817231][ T53] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1108.012344][ T3400] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1108.031895][ T3400] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1108.201382][ T3400] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1108.322848][ T3400] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1123.219945][ T3225] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 1162.614142][ T3853] mmap: syz.0.3 (3853) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. [ 1218.602187][ T3867] netlink: 8 bytes leftover after parsing attributes in process `syz.1.8'. [ 1223.034245][ T3867] gtp0: entered promiscuous mode [ 1223.036713][ T3867] gtp0: entered allmulticast mode [ 1245.265650][ T3875] process 'syz.1.10' launched './file2' with NULL argv: empty string added [ 1308.456165][ T3897] semctl(GETNCNT/GETZCNT) is since 3.16 Single Unix Specification compliant. [ 1308.456165][ T3897] The task syz.0.14 (3897) triggered the difference, watch for misbehavior. [ 1553.172989][ T3964] input: syz0 as /devices/virtual/input/input0 [ 1572.327113][ T3975] faux_driver vgem: [drm] Unknown color mode 127; guessing buffer size. [ 1641.766890][ T4002] ./file0: Can't lookup blockdev [ 2284.402863][ T4181] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffffaf8020e25000 pfn:0xa0e25 [ 2284.512614][ T4181] memcg:ffffaf8018eddb00 [ 2284.549620][ T4181] flags: 0x1(locked|node=0|zone=0) [ 2284.639592][ T4181] raw: 0000000000000001 0000000000000000 dead000000000122 0000000000000000 [ 2284.676283][ T4181] raw: ffffaf8020e25000 0000000000000000 00000001ffffffff ffffaf8018eddb00 [ 2284.695790][ T4181] page dumped because: VM_BUG_ON_FOLIO(folio_order(folio) < mapping_min_folio_order(mapping)) [ 2284.726345][ T4181] page_owner tracks the page as allocated [ 2284.789329][ T4181] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x152c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 4181, tgid 4179 (syz.1.102), ts 2284384907300, free_ts 2283153807900 [ 2284.819180][ T4181] __set_page_owner+0x92/0x4b0 [ 2284.843559][ T4181] post_alloc_hook+0xe2/0x1a0 [ 2284.875480][ T4181] get_page_from_freelist+0x912/0x395c [ 2284.895027][ T4181] __alloc_frozen_pages_noprof+0x224/0x2e40 [ 2284.909033][ T4181] alloc_pages_mpol+0x1f0/0x59c [ 2284.928897][ T4181] alloc_frozen_pages_noprof+0x156/0x2d0 [ 2284.943405][ T4181] folio_alloc_noprof+0x24/0x1b0 [ 2284.986598][ T4181] filemap_alloc_folio_noprof.part.0+0x382/0x438 [ 2285.008944][ T4181] filemap_alloc_folio_noprof+0xe6/0x12c [ 2285.042545][ T4181] page_cache_ra_order+0x55a/0x13dc [ 2285.060051][ T4181] filemap_fault+0x17f6/0x2e40 [ 2285.079467][ T4181] __do_fault+0xee/0x6fc [ 2285.100842][ T4181] do_fault+0xbf4/0x14d8 [ 2285.105761][ T4181] __handle_mm_fault+0x1016/0x1498 [ 2285.116809][ T4181] handle_mm_fault+0x25c/0x8c0 [ 2285.150692][ T4181] __get_user_pages+0xcb6/0x20b4 [ 2285.162612][ T4181] page last free pid 4183 tgid 4183 stack trace: [ 2285.181126][ T4181] __reset_page_owner+0x76/0x1bc [ 2285.199040][ T4181] __free_frozen_pages+0x6b2/0x1370 [ 2285.210263][ T4181] ___free_pages+0xea/0x178 [ 2285.239491][ T4181] free_pages.part.0+0x258/0x4bc [ 2285.256198][ T4181] free_pages+0xe/0x18 [ 2285.280615][ T4181] free_pg_vec+0x118/0x140 [ 2285.310310][ T4181] packet_set_ring+0x66a/0x17f4 [ 2285.325200][ T4181] packet_release+0x5da/0xd44 [ 2285.343455][ T4181] __sock_release+0xa4/0x248 [ 2285.373510][ T4181] sock_close+0x1e/0x2c [ 2285.391994][ T4181] __fput+0x37e/0xa8c [ 2285.426655][ T4181] ____fput+0x1c/0x28 [ 2285.461356][ T4181] task_work_run+0x162/0x24c [ 2285.481644][ T4181] exit_to_user_mode_loop+0x160/0xcd4 [ 2285.504246][ T4181] do_trap_ecall_u+0x4fc/0x638 [ 2285.526847][ T4181] handle_exception+0x168/0x174 [ 2285.552071][ C0] ------------[ cut here ]------------ [ 2285.552479][ C0] kernel BUG at [] mm/filemap.c:858! [ 2285.553680][ C0] Kernel BUG [#1] [ 2285.553937][ C0] Modules linked in: [ 2285.554776][ C0] CPU: 0 UID: 0 PID: 4181 Comm: syz.1.102 Tainted: G W syzkaller #0 PREEMPT [ 2285.555496][ C0] Tainted: [W]=WARN [ 2285.555671][ C0] Hardware name: riscv-virtio,qemu (DT) [ 2285.555877][ C0] epc : __filemap_add_folio+0xf68/0x1348 [ 2285.556592][ C0] ra : __filemap_add_folio+0xf68/0x1348 [ 2285.557191][ C0] epc : ffffffff808ed8bc ra : ffffffff808ed8bc sp : ffff8f800aa970e0 [ 2285.557508][ C0] gp : ffffffff8a49d240 tp : ffffaf801d2bd040 t0 : 0000000000000000 [ 2285.557805][ C0] t1 : ffffffff8007bd0c t2 : ffffffff91874220 s0 : ffff8f800aa972a0 [ 2285.558148][ C0] s1 : 0000000000112cc0 a0 : ffffaf801d2bd504 a1 : ffffffff8820ee18 [ 2285.558499][ C0] a2 : 0000000000080000 a3 : ffffffff80a0f29c a4 : ffff8f80054326a8 [ 2285.558810][ C0] a5 : 00000000002766a8 a6 : 0000000000000003 a7 : 0000000041b58ab3 [ 2285.559126][ C0] s2 : 0000000000000000 s3 : 1ffff1f001552e30 s4 : 0000000000000004 [ 2285.559435][ C0] s5 : ffff8d8000838940 s6 : 0000000000000000 s7 : 0000000000000000 [ 2285.559807][ C0] s8 : ffffaf801650e4c8 s9 : ffff8f800aa972e0 s10: 0000000000000000 [ 2285.560116][ C0] s11: ffff8f800aa97220 t3 : ffffffff88095048 t4 : fffffffef1140d43 [ 2285.560444][ C0] t5 : fffffffef1140d44 t6 : 0000000000000002 ssp : 0000000000000000 [ 2285.560741][ C0] status: 0000000200000120 badaddr: ffffffff808ed8bc cause: 0000000000000003 [ 2285.561059][ C0] [] __filemap_add_folio+0xf68/0x1348 [ 2285.561835][ C0] [] filemap_add_folio+0x1b6/0xb34 [ 2285.562550][ C0] [] page_cache_ra_order+0x5fe/0x13dc [ 2285.563214][ C0] [] filemap_fault+0x17f6/0x2e40 [ 2285.563871][ C0] [] __do_fault+0xee/0x6fc [ 2285.564578][ C0] [] do_fault+0xbf4/0x14d8 [ 2285.565035][ C0] [] __handle_mm_fault+0x1016/0x1498 [ 2285.565566][ C0] [] handle_mm_fault+0x25c/0x8c0 [ 2285.566087][ C0] [] __get_user_pages+0xcb6/0x20b4 [ 2285.566714][ C0] [] populate_vma_page_range+0x244/0x3d0 [ 2285.567345][ C0] [] __mm_populate+0x10e/0x3b0 [ 2285.567940][ C0] [] vm_mmap_pgoff+0x34c/0x418 [ 2285.568544][ C0] [] ksys_mmap_pgoff+0x2c4/0x708 [ 2285.569147][ C0] [] __riscv_sys_mmap+0x11c/0x18c [ 2285.569743][ C0] [] syscall_handler+0x92/0x114 [ 2285.570375][ C0] [] do_trap_ecall_u+0x3e4/0x638 [ 2285.571007][ C0] [] handle_exception+0x168/0x174 [ 2285.572500][ C0] Code: 1520 8556 9597 0624 8593 f545 2097 0012 80e7 9740 (9002) 2097 [ 2285.573971][ C0] ---[ end trace 0000000000000000 ]--- [ 2285.575387][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 2285.576421][ C0] SMP: stopping secondary CPUs VM DIAGNOSIS: 15:08:48 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff81fe7df2 mhartid 0000000000000000 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000220 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f4b509 hedeleg 0000000000000000 mtvec 00000000800004f8 stvec ffffffff865253b0 vstvec 0000000000000000 mepc ffffffff80092e92 sepc ffffffff808ed8bc vsepc 0000000000000000 mcause 0000000000000009 scause 0000000000000003 vscause 0000000000000000 mtval 0000000000000000 stval ffffffff808ed8bc htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080049000 sscratch 0000000000000000 satp 9023d000000b30a7 x0/zero 0000000000000000 x1/ra ffffffff81fe7dee x2/sp ffff8f800aa968e0 x3/gp ffffffff8a49d240 x4/tp ffffaf801d2bd040 x5/t0 2000000000000000 x6/t1 0000000004000000 x7/t2 203a6465746e6961 x8/s0 ffff8f800aa96a70 x9/s1 ffffffff91861ec0 x10/a0 0000000000000005 x11/a1 0000000000000000 x12/a2 0000000000000001 x13/a3 ffffffff81fe7dee x14/a4 0000000000000000 x15/a5 ffffaf801d2bd040 x16/a6 0000000000ff0100 x17/a7 fffffffff1f1f1f1 x18/s2 ffffffff916701a0 x19/s3 ffff8f800aa96a00 x20/s4 0000000000000000 x21/s5 0000000000000001 x22/s6 0000000200000120 x23/s7 ffffffff89223eb8 x24/s8 ffff8f800aa96cc0 x25/s9 1ffff1f001552d28 x26/s10 0000000000000029 x27/s11 ffff8f800aa96c90 x28/t3 ffffffff81fe7cd8 x29/t4 ffffffff88175a18 x30/t5 fffffffef149436d x31/t6 ffffffff916701b7 fcsr 0000000000000000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000 info registers vcpu 1 CPU#1 V = 0 pc ffffffff8008952e mhartid 0000000000000001 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000020 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f4b509 hedeleg 0000000000000000 mtvec 00000000800004f8 stvec ffffffff865253b0 vstvec 0000000000000000 mepc ffffffff8052f9f4 sepc ffffffff80bdcb56 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000001 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080047000 sscratch 0000000000000000 satp 90131000000aea80 x0/zero 0000000000000000 x1/ra ffffffff8008952a x2/sp ffff8f8000017e10 x3/gp ffffffff8a49d240 x4/tp ffffaf8013ff0000 x5/t0 ffff8f8000010000 x6/t1 fffffffef14b6120 x7/t2 00000000000009ea x8/s0 ffff8f8000017e40 x9/s1 ffffffff86a0cc28 x10/a0 0000000000000001 x11/a1 0000000000000004 x12/a2 0000000000000001 x13/a3 ffffffff8008952a x14/a4 0000000000000000 x15/a5 ffffaf8013ff0000 x16/a6 fffffffef14b6121 x17/a7 0000000000000003 x18/s2 0000000000000001 x19/s3 ffffffff86868000 x20/s4 ffffffff80089274 x21/s5 ffffaf8012118800 x22/s6 0000000000000000 x23/s7 0000000000000001 x24/s8 0000000000000007 x25/s9 ffffffff91874228 x26/s10 ffffffff86a710a0 x27/s11 0000000000000004 x28/t3 ffffffff88095048 x29/t4 fffffffef14b6120 x30/t5 fffffffef14b6121 x31/t6 ffffaf8019544026 fcsr 0000000000000000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000