Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:41234' (ECDSA) to the list of known hosts. 2023/05/17 12:39:09 fuzzer started 2023/05/17 12:39:09 dialing manager at localhost:44319 2023/05/17 12:39:09 checking machine... 2023/05/17 12:39:09 checking revisions... syzkaller login: [ 37.186221] kmemleak: Automatic memory scanning thread ended 2023/05/17 12:39:09 testing simple program... [ 37.249835] cgroup: Unknown subsys name 'net' [ 37.336853] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.895856] audit: type=1400 audit(1684327163.586:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.972615] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.974863] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.976214] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.980253] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.990080] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.998178] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 52.376035] ------------[ cut here ]------------ [ 52.377209] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.379131] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.380455] Modules linked in: [ 52.380980] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.385753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.386763] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.387407] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 52.389593] RSP: 0018:ffff888016f17c00 EFLAGS: 00010282 [ 52.390231] RAX: 0000000000000000 RBX: ffff888013ab0840 RCX: 0000000000000000 [ 52.391120] RDX: ffff888016cc3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.392002] RBP: ffff888013ab0854 R08: 0000000000000001 R09: 0000000000000000 [ 52.392880] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.393766] R13: ffffffff84e23fe0 R14: ffff888013ab0848 R15: ffffffff84d74dc0 [ 52.394653] FS: 0000555556f0f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.395644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.396341] CR2: 00007f0bb13e1000 CR3: 00000000145c2000 CR4: 0000000000350ee0 [ 52.397235] Call Trace: [ 52.397591] [ 52.397889] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.398529] ipv4_frags_init_net+0x269/0x440 [ 52.399083] ops_init+0xbb/0x6b0 [ 52.399567] setup_net+0x3d9/0x990 [ 52.400026] ? down_read_killable+0x1d7/0x4e0 [ 52.400620] ? __pfx_setup_net+0x10/0x10 [ 52.401150] ? copy_net_ns+0x17c/0x770 [ 52.401686] copy_net_ns+0x321/0x770 [ 52.402162] create_new_namespaces+0x3f6/0xb30 [ 52.402769] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.403377] ksys_unshare+0x44d/0x8e0 [ 52.403894] ? __pfx_ksys_unshare+0x10/0x10 [ 52.404462] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.405170] __x64_sys_unshare+0x31/0x40 [ 52.405710] do_syscall_64+0x3f/0x90 [ 52.406184] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.406847] RIP: 0033:0x7f1a496f00d7 [ 52.407311] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 52.409475] RSP: 002b:00007ffde3f2e5f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.410381] RAX: ffffffffffffffda RBX: 00007ffde3f2ec38 RCX: 00007f1a496f00d7 [ 52.411255] RDX: 00007f1a4975a41f RSI: 00007ffde3f2e590 RDI: 0000000040000000 [ 52.412126] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde3f2e3a0 [ 52.413010] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1a49802bf0 [ 52.413894] R13: 00007ffde3f2e6d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.414792] [ 52.415088] irq event stamp: 8491 [ 52.415536] hardirqs last enabled at (8503): [] __up_console_sem+0x78/0x80 [ 52.416583] hardirqs last disabled at (8514): [] __up_console_sem+0x5d/0x80 [ 52.417637] softirqs last enabled at (8400): [] irq_exit_rcu+0x93/0xc0 [ 52.418652] softirqs last disabled at (8395): [] irq_exit_rcu+0x93/0xc0 [ 52.419668] ---[ end trace 0000000000000000 ]--- [ 52.424496] ------------[ cut here ]------------ [ 52.425104] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.426802] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.427878] Modules linked in: [ 52.428298] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.429472] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.430469] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.431123] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 52.433324] RSP: 0018:ffff888016f17c00 EFLAGS: 00010282 [ 52.434009] RAX: 0000000000000000 RBX: ffff88800c4f6840 RCX: 0000000000000000 [ 52.434891] RDX: ffff888016cc3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.435778] RBP: ffff88800c4f6854 R08: 0000000000000001 R09: 0000000000000000 [ 52.436670] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.437568] R13: ffffffff84e23fe0 R14: ffff88800c4f6848 R15: ffffffff84da7d60 [ 52.438456] FS: 0000555556f0f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.439404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.440131] CR2: 00007f0bb13e1000 CR3: 00000000145c2000 CR4: 0000000000350ee0 [ 52.441031] Call Trace: [ 52.441355] [ 52.441680] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.442285] ipv6_frags_init_net+0x206/0x3c0 [ 52.442869] ops_init+0xbb/0x6b0 [ 52.443308] setup_net+0x3d9/0x990 [ 52.443786] ? down_read_killable+0x1d7/0x4e0 [ 52.444352] ? __pfx_setup_net+0x10/0x10 [ 52.444907] ? copy_net_ns+0x17c/0x770 [ 52.445412] copy_net_ns+0x321/0x770 [ 52.445922] create_new_namespaces+0x3f6/0xb30 [ 52.446526] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.447139] ksys_unshare+0x44d/0x8e0 [ 52.447655] ? __pfx_ksys_unshare+0x10/0x10 [ 52.448197] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.448933] __x64_sys_unshare+0x31/0x40 [ 52.449471] do_syscall_64+0x3f/0x90 [ 52.449946] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.450615] RIP: 0033:0x7f1a496f00d7 [ 52.451074] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 52.453237] RSP: 002b:00007ffde3f2e5f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.454169] RAX: ffffffffffffffda RBX: 00007ffde3f2ec38 RCX: 00007f1a496f00d7 [ 52.455046] RDX: 00007f1a4975a41f RSI: 00007ffde3f2e590 RDI: 0000000040000000 [ 52.455915] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde3f2e3a0 [ 52.456802] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1a49802bf0 [ 52.457720] R13: 00007ffde3f2e6d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.458622] [ 52.458918] irq event stamp: 9951 [ 52.459339] hardirqs last enabled at (9961): [] __up_console_sem+0x78/0x80 [ 52.460384] hardirqs last disabled at (9972): [] __up_console_sem+0x5d/0x80 [ 52.461417] softirqs last enabled at (9056): [] netlink_insert+0x187/0x1820 [ 52.462513] softirqs last disabled at (9054): [] release_sock+0x1f/0x1b0 [ 52.463529] ---[ end trace 0000000000000000 ]--- [ 52.464859] ------------[ cut here ]------------ [ 52.465564] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.467408] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.468460] Modules linked in: [ 52.468860] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.470016] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.471013] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.471675] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 52.473842] RSP: 0018:ffff888016f17bf0 EFLAGS: 00010286 [ 52.474520] RAX: 0000000000000000 RBX: ffff88800c4f6240 RCX: 0000000000000000 [ 52.475359] RDX: ffff888016cc3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.476244] RBP: ffff88800c4f6254 R08: 0000000000000001 R09: 0000000000000000 [ 52.477147] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.478026] R13: ffffffff84e23fe0 R14: ffff88800c4f6248 R15: ffffffff84db0aa0 [ 52.478906] FS: 0000555556f0f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.479890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.480617] CR2: 00007f0bb13e1000 CR3: 00000000145c2000 CR4: 0000000000350ee0 [ 52.481510] Call Trace: [ 52.481830] [ 52.482123] nf_ct_net_init+0x224/0x3d0 [ 52.482665] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.483236] ops_init+0xbb/0x6b0 [ 52.483712] setup_net+0x3d9/0x990 [ 52.484169] ? down_read_killable+0x1d7/0x4e0 [ 52.484760] ? __pfx_setup_net+0x10/0x10 [ 52.485286] ? copy_net_ns+0x17c/0x770 [ 52.485821] copy_net_ns+0x321/0x770 [ 52.486300] create_new_namespaces+0x3f6/0xb30 [ 52.486906] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.487542] ksys_unshare+0x44d/0x8e0 [ 52.488028] ? __pfx_ksys_unshare+0x10/0x10 [ 52.488590] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.489303] __x64_sys_unshare+0x31/0x40 [ 52.489846] do_syscall_64+0x3f/0x90 [ 52.490323] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.490993] RIP: 0033:0x7f1a496f00d7 [ 52.491478] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 52.493623] RSP: 002b:00007ffde3f2e5f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.494565] RAX: ffffffffffffffda RBX: 00007ffde3f2ec38 RCX: 00007f1a496f00d7 [ 52.495409] RDX: 00007f1a4975a41f RSI: 00007ffde3f2e590 RDI: 0000000040000000 [ 52.496282] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde3f2e3a0 [ 52.497188] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1a49802bf0 [ 52.498056] R13: 00007ffde3f2e6d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.498954] [ 52.499252] irq event stamp: 10741 [ 52.499711] hardirqs last enabled at (10753): [] __up_console_sem+0x78/0x80 [ 52.500763] hardirqs last disabled at (10764): [] __up_console_sem+0x5d/0x80 [ 52.501837] softirqs last enabled at (10316): [] irq_exit_rcu+0x93/0xc0 [ 52.502866] softirqs last disabled at (10311): [] irq_exit_rcu+0x93/0xc0 [ 52.503895] ---[ end trace 0000000000000000 ]--- [ 54.057274] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.104607] Bluetooth: hci0: command 0x041b tx timeout executing program [ 58.152495] Bluetooth: hci0: command 0x040f tx timeout [ 60.200643] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 12:39:23 Registers: info registers vcpu 0 RAX=0000000000020c53 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0bb130c010 CR3=000000000e22a000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=2035323a39333a32312037312079614d XMM01=5d3038393038332e32352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d30 XMM07=6e72656b2072656c6c616b7a79732035 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888016f175f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000555556f0f400 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0bb13e1000 CR3=00000000145c2000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000