Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:29171' (ECDSA) to the list of known hosts. 2023/05/16 12:03:48 fuzzer started 2023/05/16 12:03:49 dialing manager at localhost:35573 2023/05/16 12:03:49 checking machine... 2023/05/16 12:03:49 checking revisions... syzkaller login: [ 45.080386] kmemleak: Automatic memory scanning thread ended 2023/05/16 12:03:49 testing simple program... [ 45.147799] cgroup: Unknown subsys name 'net' [ 45.239629] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.191964] audit: type=1400 audit(1684238641.508:6): 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 [ 58.310656] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.314494] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.315676] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.318422] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.319827] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.320925] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.719759] ------------[ cut here ]------------ [ 58.721175] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.722891] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.724058] Modules linked in: [ 58.724526] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.729252] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.730327] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.730963] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 58.733130] RSP: 0018:ffff88801f49fc00 EFLAGS: 00010282 [ 58.733834] RAX: 0000000000000000 RBX: ffff88800cc33440 RCX: 0000000000000000 [ 58.734733] RDX: ffff888015ab9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.735624] RBP: ffff88800cc33454 R08: 0000000000000001 R09: 0000000000000000 [ 58.736510] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.737405] R13: ffffffff84e223a0 R14: ffff88800cc33448 R15: ffffffff84d73340 [ 58.738279] FS: 000055555737b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.739275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.740017] CR2: 00007f7d33e546f4 CR3: 000000001a538000 CR4: 0000000000350ef0 [ 58.740903] Call Trace: [ 58.741232] [ 58.741558] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.742191] ipv4_frags_init_net+0x269/0x440 [ 58.742773] ops_init+0xbb/0x6b0 [ 58.743214] setup_net+0x3d9/0x990 [ 58.743705] ? down_read_killable+0x1d7/0x4e0 [ 58.744269] ? __pfx_setup_net+0x10/0x10 [ 58.744809] ? copy_net_ns+0x17c/0x770 [ 58.745345] copy_net_ns+0x321/0x770 [ 58.745824] create_new_namespaces+0x3f6/0xb30 [ 58.746452] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.747071] ksys_unshare+0x44d/0x8e0 [ 58.747599] ? __pfx_ksys_unshare+0x10/0x10 [ 58.748152] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.748888] __x64_sys_unshare+0x31/0x40 [ 58.749439] do_syscall_64+0x3f/0x90 [ 58.749924] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.750596] RIP: 0033:0x7fddbcebb0d7 [ 58.751064] 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 [ 58.753207] RSP: 002b:00007ffe55ae10a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.754178] RAX: ffffffffffffffda RBX: 00007ffe55ae16e8 RCX: 00007fddbcebb0d7 [ 58.755062] RDX: 00007fddbcf2541f RSI: 00007ffe55ae1040 RDI: 0000000040000000 [ 58.755952] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe55ae0e50 [ 58.756833] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fddbcfcdbf0 [ 58.757712] R13: 00007ffe55ae1180 R14: 0000000000000000 R15: 00000000000000f8 [ 58.758703] [ 58.759004] irq event stamp: 9147 [ 58.759465] hardirqs last enabled at (9159): [] __up_console_sem+0x78/0x80 [ 58.760517] hardirqs last disabled at (9170): [] __up_console_sem+0x5d/0x80 [ 58.761565] softirqs last enabled at (8720): [] irq_exit_rcu+0x93/0xc0 [ 58.762610] softirqs last disabled at (8715): [] irq_exit_rcu+0x93/0xc0 [ 58.763646] ---[ end trace 0000000000000000 ]--- [ 58.770018] ------------[ cut here ]------------ [ 58.770867] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.772600] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.773655] Modules linked in: [ 58.774079] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.775252] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.776272] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.776956] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 58.779147] RSP: 0018:ffff88801f49fc00 EFLAGS: 00010282 [ 58.779847] RAX: 0000000000000000 RBX: ffff88800d999c40 RCX: 0000000000000000 [ 58.780769] RDX: ffff888015ab9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.781652] RBP: ffff88800d999c54 R08: 0000000000000001 R09: 0000000000000000 [ 58.782565] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.783472] R13: ffffffff84e223a0 R14: ffff88800d999c48 R15: ffffffff84da62e0 [ 58.784370] FS: 000055555737b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.785398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.786138] CR2: 00007f7d33e546f4 CR3: 000000001a538000 CR4: 0000000000350ef0 [ 58.787048] Call Trace: [ 58.787403] [ 58.787707] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.788352] ipv6_frags_init_net+0x206/0x3c0 [ 58.788912] ops_init+0xbb/0x6b0 [ 58.789395] setup_net+0x3d9/0x990 [ 58.789872] ? down_read_killable+0x1d7/0x4e0 [ 58.790476] ? __pfx_setup_net+0x10/0x10 [ 58.790986] ? copy_net_ns+0x17c/0x770 [ 58.791528] copy_net_ns+0x321/0x770 [ 58.792008] create_new_namespaces+0x3f6/0xb30 [ 58.792631] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.793246] ksys_unshare+0x44d/0x8e0 [ 58.793769] ? __pfx_ksys_unshare+0x10/0x10 [ 58.794365] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.795085] __x64_sys_unshare+0x31/0x40 [ 58.795654] do_syscall_64+0x3f/0x90 [ 58.796135] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.796812] RIP: 0033:0x7fddbcebb0d7 [ 58.797286] 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 [ 58.799480] RSP: 002b:00007ffe55ae10a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.800435] RAX: ffffffffffffffda RBX: 00007ffe55ae16e8 RCX: 00007fddbcebb0d7 [ 58.801290] RDX: 00007fddbcf2541f RSI: 00007ffe55ae1040 RDI: 0000000040000000 [ 58.802201] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe55ae0e50 [ 58.803101] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fddbcfcdbf0 [ 58.803999] R13: 00007ffe55ae1180 R14: 0000000000000000 R15: 00000000000000f8 [ 58.804923] [ 58.805224] irq event stamp: 11311 [ 58.805688] hardirqs last enabled at (11323): [] __up_console_sem+0x78/0x80 [ 58.806776] hardirqs last disabled at (11334): [] __up_console_sem+0x5d/0x80 [ 58.807853] softirqs last enabled at (11174): [] irq_exit_rcu+0x93/0xc0 [ 58.808901] softirqs last disabled at (11169): [] irq_exit_rcu+0x93/0xc0 [ 58.809965] ---[ end trace 0000000000000000 ]--- [ 58.811400] ------------[ cut here ]------------ [ 58.811987] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.813936] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.815027] Modules linked in: [ 58.815468] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.816647] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.817653] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.818345] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 58.820530] RSP: 0018:ffff88801f49fbf0 EFLAGS: 00010286 [ 58.821186] RAX: 0000000000000000 RBX: ffff88800d999640 RCX: 0000000000000000 [ 58.822090] RDX: ffff888015ab9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.822991] RBP: ffff88800d999654 R08: 0000000000000001 R09: 0000000000000000 [ 58.823884] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.824777] R13: ffffffff84e223a0 R14: ffff88800d999648 R15: ffffffff84daf020 [ 58.825679] FS: 000055555737b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.826687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.827435] CR2: 00007f7d33e546f4 CR3: 000000001a538000 CR4: 0000000000350ef0 [ 58.828298] Call Trace: [ 58.828660] [ 58.828965] nf_ct_net_init+0x224/0x3d0 [ 58.829508] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.830089] ops_init+0xbb/0x6b0 [ 58.830567] setup_net+0x3d9/0x990 [ 58.831020] ? down_read_killable+0x1d7/0x4e0 [ 58.831617] ? __pfx_setup_net+0x10/0x10 [ 58.832126] ? copy_net_ns+0x17c/0x770 [ 58.832670] copy_net_ns+0x321/0x770 [ 58.833152] create_new_namespaces+0x3f6/0xb30 [ 58.833774] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.834429] ksys_unshare+0x44d/0x8e0 [ 58.834923] ? __pfx_ksys_unshare+0x10/0x10 [ 58.835499] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.836213] __x64_sys_unshare+0x31/0x40 [ 58.836765] do_syscall_64+0x3f/0x90 [ 58.837239] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.837944] RIP: 0033:0x7fddbcebb0d7 [ 58.838465] 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 [ 58.840738] RSP: 002b:00007ffe55ae10a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.841736] RAX: ffffffffffffffda RBX: 00007ffe55ae16e8 RCX: 00007fddbcebb0d7 [ 58.842682] RDX: 00007fddbcf2541f RSI: 00007ffe55ae1040 RDI: 0000000040000000 [ 58.843610] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe55ae0e50 [ 58.844541] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fddbcfcdbf0 [ 58.845476] R13: 00007ffe55ae1180 R14: 0000000000000000 R15: 00000000000000f8 [ 58.846446] [ 58.846761] irq event stamp: 12185 [ 58.847209] hardirqs last enabled at (12195): [] __up_console_sem+0x78/0x80 [ 58.848335] hardirqs last disabled at (12208): [] __up_console_sem+0x5d/0x80 [ 58.849444] softirqs last enabled at (11722): [] irq_exit_rcu+0x93/0xc0 [ 58.850555] softirqs last disabled at (11713): [] irq_exit_rcu+0x93/0xc0 [ 58.851652] ---[ end trace 0000000000000000 ]--- executing program [ 60.393366] Bluetooth: hci0: command 0x0409 tx timeout [ 62.440725] Bluetooth: hci0: command 0x041b tx timeout executing program [ 64.488871] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.536715] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 12:03:55 Registers: info registers vcpu 0 RAX=0000000000000047 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f49f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000047 R11=0000000000000001 R12=0000000000000047 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd 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 000055555737b400 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=00007f7d33e546f4 CR3=000000001a538000 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=000000000003d6d9 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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=00007fce444f0780 CR3=00000000164f4000 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=d52ee90ac42cb8896e41d959755350ec XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=b3f36eca7a3e4e6f000000000013c448 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=3c5404c9dd78eec800000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000