Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:14264' (ECDSA) to the list of known hosts. 2023/05/17 11:19:29 fuzzer started 2023/05/17 11:19:29 dialing manager at localhost:44319 2023/05/17 11:19:29 checking machine... 2023/05/17 11:19:29 checking revisions... syzkaller login: [ 32.061396] kmemleak: Automatic memory scanning thread ended 2023/05/17 11:19:29 testing simple program... [ 32.134937] cgroup: Unknown subsys name 'net' [ 32.212141] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 45.446610] audit: type=1400 audit(1684322382.960:6): 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 [ 46.567739] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 46.570670] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 46.572261] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 46.578757] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 46.580951] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 46.583022] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 46.977916] ------------[ cut here ]------------ [ 46.978693] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 46.981329] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 46.982460] Modules linked in: [ 46.982868] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 46.987571] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.988622] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 46.989310] 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 [ 46.991586] RSP: 0018:ffff888016ff7c00 EFLAGS: 00010282 [ 46.992298] RAX: 0000000000000000 RBX: ffff88800dd28840 RCX: 0000000000000000 [ 46.993244] RDX: ffff88800f613680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 46.994168] RBP: ffff88800dd28854 R08: 0000000000000001 R09: 0000000000000000 [ 46.995102] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 46.996002] R13: ffffffff84e23fe0 R14: ffff88800dd28848 R15: ffffffff84d74dc0 [ 46.996952] FS: 00005555565a1400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 46.998007] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.998781] CR2: 00007fa3b33e46f4 CR3: 0000000020558000 CR4: 0000000000350ee0 [ 46.999671] Call Trace: [ 47.000000] [ 47.000330] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 47.000978] ipv4_frags_init_net+0x269/0x440 [ 47.001571] ops_init+0xbb/0x6b0 [ 47.002023] setup_net+0x3d9/0x990 [ 47.002512] ? down_read_killable+0x1d7/0x4e0 [ 47.003117] ? __pfx_setup_net+0x10/0x10 [ 47.003625] ? copy_net_ns+0x17c/0x770 [ 47.004160] copy_net_ns+0x321/0x770 [ 47.004648] create_new_namespaces+0x3f6/0xb30 [ 47.005270] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.005885] ksys_unshare+0x44d/0x8e0 [ 47.006404] ? __pfx_ksys_unshare+0x10/0x10 [ 47.006952] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.007698] __x64_sys_unshare+0x31/0x40 [ 47.008242] do_syscall_64+0x3f/0x90 [ 47.008725] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.009389] RIP: 0033:0x7ff59bc5f0d7 [ 47.009855] 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 [ 47.012009] RSP: 002b:00007fff0f413198 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 47.012960] RAX: ffffffffffffffda RBX: 00007fff0f4137d8 RCX: 00007ff59bc5f0d7 [ 47.013843] RDX: 00007ff59bcc941f RSI: 00007fff0f413130 RDI: 0000000040000000 [ 47.014726] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff0f412f40 [ 47.015610] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff59bd71bf0 [ 47.016508] R13: 00007fff0f413270 R14: 0000000000000000 R15: 00000000000000f8 [ 47.017412] [ 47.017714] irq event stamp: 7823 [ 47.018163] hardirqs last enabled at (7835): [] __up_console_sem+0x78/0x80 [ 47.019209] hardirqs last disabled at (7846): [] __up_console_sem+0x5d/0x80 [ 47.020256] softirqs last enabled at (7318): [] irq_exit_rcu+0x93/0xc0 [ 47.021314] softirqs last disabled at (7867): [] irq_exit_rcu+0x93/0xc0 [ 47.022342] ---[ end trace 0000000000000000 ]--- [ 47.029158] ------------[ cut here ]------------ [ 47.029749] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 47.031632] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.032749] Modules linked in: [ 47.033196] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 47.034362] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.035379] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.036030] 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 [ 47.038233] RSP: 0018:ffff888016ff7c00 EFLAGS: 00010282 [ 47.038887] RAX: 0000000000000000 RBX: ffff888008ef6240 RCX: 0000000000000000 [ 47.039783] RDX: ffff88800f613680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 47.040701] RBP: ffff888008ef6254 R08: 0000000000000001 R09: 0000000000000000 [ 47.041585] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 47.042462] R13: ffffffff84e23fe0 R14: ffff888008ef6248 R15: ffffffff84da7d60 [ 47.043358] FS: 00005555565a1400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 47.044353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.045107] CR2: 00007fa3b33e46f4 CR3: 0000000020558000 CR4: 0000000000350ee0 [ 47.045954] Call Trace: [ 47.046304] [ 47.046601] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 47.047244] ipv6_frags_init_net+0x206/0x3c0 [ 47.047807] ops_init+0xbb/0x6b0 [ 47.048282] setup_net+0x3d9/0x990 [ 47.048750] ? down_read_killable+0x1d7/0x4e0 [ 47.049350] ? __pfx_setup_net+0x10/0x10 [ 47.049858] ? copy_net_ns+0x17c/0x770 [ 47.050392] copy_net_ns+0x321/0x770 [ 47.050875] create_new_namespaces+0x3f6/0xb30 [ 47.051486] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.052124] ksys_unshare+0x44d/0x8e0 [ 47.052624] ? __pfx_ksys_unshare+0x10/0x10 [ 47.053242] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.054084] __x64_sys_unshare+0x31/0x40 [ 47.054596] do_syscall_64+0x3f/0x90 [ 47.055099] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.055743] RIP: 0033:0x7ff59bc5f0d7 [ 47.056231] 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 [ 47.058384] RSP: 002b:00007fff0f413198 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 47.059315] RAX: ffffffffffffffda RBX: 00007fff0f4137d8 RCX: 00007ff59bc5f0d7 [ 47.060190] RDX: 00007ff59bcc941f RSI: 00007fff0f413130 RDI: 0000000040000000 [ 47.061076] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff0f412f40 [ 47.061925] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff59bd71bf0 [ 47.062804] R13: 00007fff0f413270 R14: 0000000000000000 R15: 00000000000000f8 [ 47.063716] [ 47.064014] irq event stamp: 11607 [ 47.064484] hardirqs last enabled at (11619): [] __up_console_sem+0x78/0x80 [ 47.065539] hardirqs last disabled at (11630): [] __up_console_sem+0x5d/0x80 [ 47.066592] softirqs last enabled at (11448): [] irq_exit_rcu+0x93/0xc0 [ 47.067608] softirqs last disabled at (11443): [] irq_exit_rcu+0x93/0xc0 [ 47.068659] ---[ end trace 0000000000000000 ]--- [ 47.069998] ------------[ cut here ]------------ [ 47.070627] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 47.072496] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.073595] Modules linked in: [ 47.074013] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 47.075227] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.076290] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.076990] 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 [ 47.079272] RSP: 0018:ffff888016ff7bf0 EFLAGS: 00010286 [ 47.079946] RAX: 0000000000000000 RBX: ffff888008ef7240 RCX: 0000000000000000 [ 47.080886] RDX: ffff88800f613680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 47.081823] RBP: ffff888008ef7254 R08: 0000000000000001 R09: 0000000000000000 [ 47.082754] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 47.083684] R13: ffffffff84e23fe0 R14: ffff888008ef7248 R15: ffffffff84db0aa0 [ 47.084629] FS: 00005555565a1400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 47.085685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.086461] CR2: 00007fa3b33e46f4 CR3: 0000000020558000 CR4: 0000000000350ee0 [ 47.087397] Call Trace: [ 47.087742] [ 47.088090] nf_ct_net_init+0x224/0x3d0 [ 47.088647] ? __pfx_nf_ct_net_init+0x10/0x10 [ 47.089275] ops_init+0xbb/0x6b0 [ 47.089740] setup_net+0x3d9/0x990 [ 47.090243] ? down_read_killable+0x1d7/0x4e0 [ 47.090845] ? __pfx_setup_net+0x10/0x10 [ 47.091398] ? copy_net_ns+0x17c/0x770 [ 47.091924] copy_net_ns+0x321/0x770 [ 47.092456] create_new_namespaces+0x3f6/0xb30 [ 47.093116] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.093758] ksys_unshare+0x44d/0x8e0 [ 47.094292] ? __pfx_ksys_unshare+0x10/0x10 [ 47.094868] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.095634] __x64_sys_unshare+0x31/0x40 [ 47.096200] do_syscall_64+0x3f/0x90 [ 47.096720] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.097426] RIP: 0033:0x7ff59bc5f0d7 [ 47.097910] 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 [ 47.100183] RSP: 002b:00007fff0f413198 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 47.101186] RAX: ffffffffffffffda RBX: 00007fff0f4137d8 RCX: 00007ff59bc5f0d7 [ 47.102120] RDX: 00007ff59bcc941f RSI: 00007fff0f413130 RDI: 0000000040000000 [ 47.103021] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff0f412f40 [ 47.103952] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff59bd71bf0 [ 47.104894] R13: 00007fff0f413270 R14: 0000000000000000 R15: 00000000000000f8 [ 47.105847] [ 47.106192] irq event stamp: 12371 [ 47.106647] hardirqs last enabled at (12381): [] __up_console_sem+0x78/0x80 [ 47.107768] hardirqs last disabled at (12392): [] __up_console_sem+0x5d/0x80 [ 47.108888] softirqs last enabled at (12178): [] irq_exit_rcu+0x93/0xc0 [ 47.109991] softirqs last disabled at (12171): [] irq_exit_rcu+0x93/0xc0 [ 47.111071] ---[ end trace 0000000000000000 ]--- [ 48.653650] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 50.701150] Bluetooth: hci0: command 0x041b tx timeout [ 52.750109] Bluetooth: hci0: command 0x040f tx timeout executing program [ 54.797108] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:19:41 Registers: info registers vcpu 0 RAX=00000000000201d3 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=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 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=00007fd70acb2a50 CR3=000000000e7c2000 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=5b541e3d2b24639a494c8a2da80bd97a XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=0755dbfe1f47ba62000000000013c730 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=51c735a44c9c3f1400000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 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=ffff888016ff75f0 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 00005555565a1400 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=00007fa3b33e46f4 CR3=0000000020558000 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