Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:12933' (ECDSA) to the list of known hosts. 2023/05/17 23:39:24 fuzzer started 2023/05/17 23:39:25 dialing manager at localhost:44319 2023/05/17 23:39:25 checking machine... 2023/05/17 23:39:25 checking revisions... syzkaller login: [ 54.527373] kmemleak: Automatic memory scanning thread ended 2023/05/17 23:39:25 testing simple program... [ 54.596726] cgroup: Unknown subsys name 'net' [ 54.690292] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 65.754623] audit: type=1400 audit(1684366776.576:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 66.884536] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 66.886498] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 66.888785] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 66.892104] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 66.893733] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 66.897197] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 67.301352] ------------[ cut here ]------------ [ 67.302133] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 67.304064] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 67.305345] Modules linked in: [ 67.305772] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 67.310421] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 67.311432] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 67.312138] 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 [ 67.314455] RSP: 0018:ffff88800f5e7c00 EFLAGS: 00010282 [ 67.315164] RAX: 0000000000000000 RBX: ffff88800ef76c40 RCX: 0000000000000000 [ 67.316088] RDX: ffff88801907b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 67.317019] RBP: ffff88800ef76c54 R08: 0000000000000001 R09: 0000000000000000 [ 67.317937] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 67.318857] R13: ffffffff84e23fe0 R14: ffff88800ef76c48 R15: ffffffff84d74dc0 [ 67.319753] FS: 0000555556aa0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 67.320825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.321567] CR2: 00007f9de82e86f4 CR3: 000000000f130000 CR4: 0000000000350ef0 [ 67.322493] Call Trace: [ 67.322863] [ 67.323171] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 67.323849] ipv4_frags_init_net+0x269/0x440 [ 67.324446] ops_init+0xbb/0x6b0 [ 67.324972] setup_net+0x3d9/0x990 [ 67.325453] ? down_read_killable+0x1d7/0x4e0 [ 67.326071] ? __pfx_setup_net+0x10/0x10 [ 67.326612] ? copy_net_ns+0x17c/0x770 [ 67.327168] copy_net_ns+0x321/0x770 [ 67.327668] create_new_namespaces+0x3f6/0xb30 [ 67.328304] unshare_nsproxy_namespaces+0xc1/0x200 [ 67.328989] ksys_unshare+0x44d/0x8e0 [ 67.329501] ? __pfx_ksys_unshare+0x10/0x10 [ 67.330093] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 67.330874] __x64_sys_unshare+0x31/0x40 [ 67.331415] do_syscall_64+0x3f/0x90 [ 67.331943] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 67.332652] RIP: 0033:0x7f409a52e0d7 [ 67.333166] 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 [ 67.335439] RSP: 002b:00007fff5afb71f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 67.336430] RAX: ffffffffffffffda RBX: 00007fff5afb7838 RCX: 00007f409a52e0d7 [ 67.337381] RDX: 00007f409a59841f RSI: 00007fff5afb7190 RDI: 0000000040000000 [ 67.338330] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff5afb6fa0 [ 67.339253] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f409a640bf0 [ 67.340177] R13: 00007fff5afb72d0 R14: 0000000000000000 R15: 00000000000000f8 [ 67.341135] [ 67.341446] irq event stamp: 9963 [ 67.341915] hardirqs last enabled at (9975): [] __up_console_sem+0x78/0x80 [ 67.343014] hardirqs last disabled at (9986): [] __up_console_sem+0x5d/0x80 [ 67.344116] softirqs last enabled at (9888): [] irq_exit_rcu+0x93/0xc0 [ 67.345209] softirqs last disabled at (9883): [] irq_exit_rcu+0x93/0xc0 [ 67.346270] ---[ end trace 0000000000000000 ]--- [ 67.351303] ------------[ cut here ]------------ [ 67.352064] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 67.353764] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 67.354888] Modules linked in: [ 67.355310] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 67.356514] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 67.357577] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 67.358278] 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 [ 67.360586] RSP: 0018:ffff88800f5e7c00 EFLAGS: 00010282 [ 67.361301] RAX: 0000000000000000 RBX: ffff88800e21f440 RCX: 0000000000000000 [ 67.362222] RDX: ffff88801907b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 67.363142] RBP: ffff88800e21f454 R08: 0000000000000001 R09: 0000000000000000 [ 67.364059] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 67.364992] R13: ffffffff84e23fe0 R14: ffff88800e21f448 R15: ffffffff84da7d60 [ 67.365926] FS: 0000555556aa0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 67.366976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.367724] CR2: 00007f9de82e86f4 CR3: 000000000f130000 CR4: 0000000000350ef0 [ 67.368682] Call Trace: [ 67.369051] [ 67.369366] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 67.370035] ipv6_frags_init_net+0x206/0x3c0 [ 67.370617] ops_init+0xbb/0x6b0 [ 67.371110] setup_net+0x3d9/0x990 [ 67.371587] ? down_read_killable+0x1d7/0x4e0 [ 67.372203] ? __pfx_setup_net+0x10/0x10 [ 67.372743] ? copy_net_ns+0x17c/0x770 [ 67.373298] copy_net_ns+0x321/0x770 [ 67.373838] create_new_namespaces+0x3f6/0xb30 [ 67.374446] unshare_nsproxy_namespaces+0xc1/0x200 [ 67.375121] ksys_unshare+0x44d/0x8e0 [ 67.375636] ? __pfx_ksys_unshare+0x10/0x10 [ 67.376231] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 67.377013] __x64_sys_unshare+0x31/0x40 [ 67.377553] do_syscall_64+0x3f/0x90 [ 67.378099] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 67.378765] RIP: 0033:0x7f409a52e0d7 [ 67.379280] 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 [ 67.381568] RSP: 002b:00007fff5afb71f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 67.382550] RAX: ffffffffffffffda RBX: 00007fff5afb7838 RCX: 00007f409a52e0d7 [ 67.383464] RDX: 00007f409a59841f RSI: 00007fff5afb7190 RDI: 0000000040000000 [ 67.384380] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff5afb6fa0 [ 67.385322] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f409a640bf0 [ 67.386259] R13: 00007fff5afb72d0 R14: 0000000000000000 R15: 00000000000000f8 [ 67.387202] [ 67.387514] irq event stamp: 11793 [ 67.387996] hardirqs last enabled at (11805): [] __up_console_sem+0x78/0x80 [ 67.389136] hardirqs last disabled at (11816): [] __up_console_sem+0x5d/0x80 [ 67.390248] softirqs last enabled at (11666): [] irq_exit_rcu+0x93/0xc0 [ 67.391323] softirqs last disabled at (11657): [] irq_exit_rcu+0x93/0xc0 [ 67.392406] ---[ end trace 0000000000000000 ]--- [ 67.393764] ------------[ cut here ]------------ [ 67.394410] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 67.396345] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 67.397487] Modules linked in: [ 67.397936] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 67.399158] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 67.400220] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 67.400931] 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 [ 67.403206] RSP: 0018:ffff88800f5e7bf0 EFLAGS: 00010286 [ 67.403911] RAX: 0000000000000000 RBX: ffff88800e21ec40 RCX: 0000000000000000 [ 67.404838] RDX: ffff88801907b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 67.405727] RBP: ffff88800e21ec54 R08: 0000000000000001 R09: 0000000000000000 [ 67.406652] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 67.407570] R13: ffffffff84e23fe0 R14: ffff88800e21ec48 R15: ffffffff84db0aa0 [ 67.408497] FS: 0000555556aa0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 67.409558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.410333] CR2: 00007f9de82e86f4 CR3: 000000000f130000 CR4: 0000000000350ef0 [ 67.411256] Call Trace: [ 67.411596] [ 67.411933] nf_ct_net_init+0x224/0x3d0 [ 67.412474] ? __pfx_nf_ct_net_init+0x10/0x10 [ 67.413109] ops_init+0xbb/0x6b0 [ 67.413581] setup_net+0x3d9/0x990 [ 67.414087] ? down_read_killable+0x1d7/0x4e0 [ 67.414687] ? __pfx_setup_net+0x10/0x10 [ 67.415248] ? copy_net_ns+0x17c/0x770 [ 67.415781] copy_net_ns+0x321/0x770 [ 67.416319] create_new_namespaces+0x3f6/0xb30 [ 67.416991] unshare_nsproxy_namespaces+0xc1/0x200 [ 67.417639] ksys_unshare+0x44d/0x8e0 [ 67.418177] ? __pfx_ksys_unshare+0x10/0x10 [ 67.418741] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 67.419508] __x64_sys_unshare+0x31/0x40 [ 67.420075] do_syscall_64+0x3f/0x90 [ 67.420578] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 67.421272] RIP: 0033:0x7f409a52e0d7 [ 67.421753] 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 [ 67.424029] RSP: 002b:00007fff5afb71f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 67.425035] RAX: ffffffffffffffda RBX: 00007fff5afb7838 RCX: 00007f409a52e0d7 [ 67.425967] RDX: 00007f409a59841f RSI: 00007fff5afb7190 RDI: 0000000040000000 [ 67.426902] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff5afb6fa0 [ 67.427792] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f409a640bf0 [ 67.428725] R13: 00007fff5afb72d0 R14: 0000000000000000 R15: 00000000000000f8 [ 67.429667] [ 67.430011] irq event stamp: 12569 [ 67.430461] hardirqs last enabled at (12579): [] __up_console_sem+0x78/0x80 [ 67.431568] hardirqs last disabled at (12590): [] __up_console_sem+0x5d/0x80 [ 67.432678] softirqs last enabled at (12106): [] irq_exit_rcu+0x93/0xc0 [ 67.433756] softirqs last disabled at (12101): [] irq_exit_rcu+0x93/0xc0 [ 67.434858] ---[ end trace 0000000000000000 ]--- [ 68.970692] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 71.018053] Bluetooth: hci0: command 0x041b tx timeout executing program [ 73.066752] Bluetooth: hci0: command 0x040f tx timeout [ 75.113927] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:39:19 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800f5e75f0 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 0000555556aa0400 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=00007f9de82e86f4 CR3=000000000f130000 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=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 info registers vcpu 1 RAX=000000000005db57 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] 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 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=00007f77090860a0 CR3=000000000ecce000 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=2900429210c5b69349451f704174ea87 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=937e5827e931965a000000000013bc30 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=73fc1bb3064f40a600000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000