Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:1691' (ECDSA) to the list of known hosts. 2023/05/17 23:49:31 fuzzer started 2023/05/17 23:49:31 dialing manager at localhost:44319 2023/05/17 23:49:32 checking machine... 2023/05/17 23:49:32 checking revisions... syzkaller login: [ 36.459601] kmemleak: Automatic memory scanning thread ended 2023/05/17 23:49:32 testing simple program... [ 36.523840] cgroup: Unknown subsys name 'net' [ 36.581505] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.854855] audit: type=1400 audit(1684367385.544:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.952423] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.954397] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.957559] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.960871] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.962522] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.963640] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 51.343005] ------------[ cut here ]------------ [ 51.343704] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.345696] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.346809] Modules linked in: [ 51.347249] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.351486] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.352518] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.353219] 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 [ 51.355444] RSP: 0018:ffff88800f8d7c00 EFLAGS: 00010282 [ 51.356098] RAX: 0000000000000000 RBX: ffff88800e078c40 RCX: 0000000000000000 [ 51.356995] RDX: ffff88800dc63680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.357883] RBP: ffff88800e078c54 R08: 0000000000000001 R09: 0000000000000000 [ 51.358767] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.359646] R13: ffffffff84e23fe0 R14: ffff88800e078c48 R15: ffffffff84d74dc0 [ 51.360543] FS: 000055555644d400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.361546] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.362300] CR2: 00007ffcae6ab000 CR3: 000000000ee04000 CR4: 0000000000350ef0 [ 51.363192] Call Trace: [ 51.363515] [ 51.363811] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.364452] ipv4_frags_init_net+0x269/0x440 [ 51.365005] ops_init+0xbb/0x6b0 [ 51.365486] setup_net+0x3d9/0x990 [ 51.365953] ? down_read_killable+0x1d7/0x4e0 [ 51.366549] ? __pfx_setup_net+0x10/0x10 [ 51.367057] ? copy_net_ns+0x17c/0x770 [ 51.367590] copy_net_ns+0x321/0x770 [ 51.368065] create_new_namespaces+0x3f6/0xb30 [ 51.368673] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.369308] ksys_unshare+0x44d/0x8e0 [ 51.369823] ? __pfx_ksys_unshare+0x10/0x10 [ 51.370398] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.371104] __x64_sys_unshare+0x31/0x40 [ 51.371659] do_syscall_64+0x3f/0x90 [ 51.372139] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.372819] RIP: 0033:0x7f9e9dc960d7 [ 51.373309] 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 [ 51.375451] RSP: 002b:00007fffa7da2638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.376388] RAX: ffffffffffffffda RBX: 00007fffa7da2c78 RCX: 00007f9e9dc960d7 [ 51.377272] RDX: 00007f9e9dd0041f RSI: 00007fffa7da25d0 RDI: 0000000040000000 [ 51.378124] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffa7da23e0 [ 51.379010] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9e9dda8bf0 [ 51.379894] R13: 00007fffa7da2710 R14: 0000000000000000 R15: 00000000000000f8 [ 51.380798] [ 51.381101] irq event stamp: 8167 [ 51.381545] hardirqs last enabled at (8179): [] __up_console_sem+0x78/0x80 [ 51.382605] hardirqs last disabled at (8190): [] __up_console_sem+0x5d/0x80 [ 51.383634] softirqs last enabled at (7462): [] irq_exit_rcu+0x93/0xc0 [ 51.384640] softirqs last disabled at (7369): [] irq_exit_rcu+0x93/0xc0 [ 51.385659] ---[ end trace 0000000000000000 ]--- [ 51.391465] ------------[ cut here ]------------ [ 51.392053] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.393677] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.394747] Modules linked in: [ 51.395189] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.396346] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.397342] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.397991] 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 [ 51.400129] RSP: 0018:ffff88800f8d7c00 EFLAGS: 00010282 [ 51.400803] RAX: 0000000000000000 RBX: ffff88800ea81840 RCX: 0000000000000000 [ 51.401686] RDX: ffff88800dc63680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.402576] RBP: ffff88800ea81854 R08: 0000000000000001 R09: 0000000000000000 [ 51.403453] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.404334] R13: ffffffff84e23fe0 R14: ffff88800ea81848 R15: ffffffff84da7d60 [ 51.405219] FS: 000055555644d400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.406214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.406920] CR2: 00007ffcae6ab000 CR3: 000000000ee04000 CR4: 0000000000350ef0 [ 51.407798] Call Trace: [ 51.408119] [ 51.408444] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.409048] ipv6_frags_init_net+0x206/0x3c0 [ 51.409636] ops_init+0xbb/0x6b0 [ 51.410096] setup_net+0x3d9/0x990 [ 51.410581] ? down_read_killable+0x1d7/0x4e0 [ 51.411143] ? __pfx_setup_net+0x10/0x10 [ 51.411682] ? copy_net_ns+0x17c/0x770 [ 51.412215] copy_net_ns+0x321/0x770 [ 51.412699] create_new_namespaces+0x3f6/0xb30 [ 51.413301] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.413926] ksys_unshare+0x44d/0x8e0 [ 51.414442] ? __pfx_ksys_unshare+0x10/0x10 [ 51.414991] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.415718] __x64_sys_unshare+0x31/0x40 [ 51.416258] do_syscall_64+0x3f/0x90 [ 51.416735] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.417401] RIP: 0033:0x7f9e9dc960d7 [ 51.417886] 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 [ 51.420041] RSP: 002b:00007fffa7da2638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.420983] RAX: ffffffffffffffda RBX: 00007fffa7da2c78 RCX: 00007f9e9dc960d7 [ 51.421876] RDX: 00007f9e9dd0041f RSI: 00007fffa7da25d0 RDI: 0000000040000000 [ 51.422773] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffa7da23e0 [ 51.423650] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9e9dda8bf0 [ 51.424639] R13: 00007fffa7da2710 R14: 0000000000000000 R15: 00000000000000f8 [ 51.425620] [ 51.425943] irq event stamp: 10051 [ 51.426430] hardirqs last enabled at (10063): [] __up_console_sem+0x78/0x80 [ 51.427565] hardirqs last disabled at (10074): [] __up_console_sem+0x5d/0x80 [ 51.428706] softirqs last enabled at (9638): [] irq_exit_rcu+0x93/0xc0 [ 51.429826] softirqs last disabled at (9633): [] irq_exit_rcu+0x93/0xc0 [ 51.430936] ---[ end trace 0000000000000000 ]--- [ 51.432418] ------------[ cut here ]------------ [ 51.433027] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.435141] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.436272] Modules linked in: [ 51.436696] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.437922] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.438980] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.439682] 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 [ 51.441988] RSP: 0018:ffff88800f8d7bf0 EFLAGS: 00010286 [ 51.442704] RAX: 0000000000000000 RBX: ffff88800ea81240 RCX: 0000000000000000 [ 51.443635] RDX: ffff88800dc63680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.444568] RBP: ffff88800ea81254 R08: 0000000000000001 R09: 0000000000000000 [ 51.445502] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.446438] R13: ffffffff84e23fe0 R14: ffff88800ea81248 R15: ffffffff84db0aa0 [ 51.447354] FS: 000055555644d400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.448406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.449139] CR2: 00007ffcae6ab000 CR3: 000000000ee04000 CR4: 0000000000350ef0 [ 51.450080] Call Trace: [ 51.450453] [ 51.450767] nf_ct_net_init+0x224/0x3d0 [ 51.451340] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.451943] ops_init+0xbb/0x6b0 [ 51.452431] setup_net+0x3d9/0x990 [ 51.452901] ? down_read_killable+0x1d7/0x4e0 [ 51.453530] ? __pfx_setup_net+0x10/0x10 [ 51.454075] ? copy_net_ns+0x17c/0x770 [ 51.454634] copy_net_ns+0x321/0x770 [ 51.455127] create_new_namespaces+0x3f6/0xb30 [ 51.455756] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.456417] ksys_unshare+0x44d/0x8e0 [ 51.456909] ? __pfx_ksys_unshare+0x10/0x10 [ 51.457486] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.458254] __x64_sys_unshare+0x31/0x40 [ 51.458769] do_syscall_64+0x3f/0x90 [ 51.459276] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.459925] RIP: 0033:0x7f9e9dc960d7 [ 51.460420] 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 [ 51.462582] RSP: 002b:00007fffa7da2638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.463543] RAX: ffffffffffffffda RBX: 00007fffa7da2c78 RCX: 00007f9e9dc960d7 [ 51.464431] RDX: 00007f9e9dd0041f RSI: 00007fffa7da25d0 RDI: 0000000040000000 [ 51.465371] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffa7da23e0 [ 51.466314] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9e9dda8bf0 [ 51.467214] R13: 00007fffa7da2710 R14: 0000000000000000 R15: 00000000000000f8 [ 51.468101] [ 51.468425] irq event stamp: 10879 [ 51.468864] hardirqs last enabled at (10889): [] __up_console_sem+0x78/0x80 [ 51.469960] hardirqs last disabled at (10900): [] __up_console_sem+0x5d/0x80 [ 51.471029] softirqs last enabled at (10804): [] irq_exit_rcu+0x93/0xc0 [ 51.472075] softirqs last disabled at (10799): [] irq_exit_rcu+0x93/0xc0 [ 51.473116] ---[ end trace 0000000000000000 ]--- [ 53.025995] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.073252] Bluetooth: hci0: command 0x041b tx timeout [ 57.121316] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.170236] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:49:46 Registers: info registers vcpu 0 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800f8d75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 000055555644d400 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=00007ffcae6ab000 CR3=000000000ee04000 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=000000000002b7cf 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=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 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=00007f5837f92550 CR3=000000000ff1a000 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=2037343a39343a33322037312079614d XMM01=5d3934323734332e31352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d39 XMM07=6e72656b2072656c6c616b7a79732037 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000