Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.992402] ------------[ cut here ]------------ [ 45.993304] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.995293] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 45.996695] Modules linked in: [ 45.997434] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.999670] Tainted: [W]=WARN [ 46.000323] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.001769] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.002658] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 46.005747] RSP: 0018:ffff88801574fbc0 EFLAGS: 00010286 [ 46.006699] RAX: 0000000000000000 RBX: ffffed1002ae9f78 RCX: ffffffff813a4050 [ 46.007981] RDX: ffff888015f13780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.009377] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ae9f2f [ 46.010630] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.011885] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801574fdf8 [ 46.013141] FS: 00007f87ff1a0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.014558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.015587] CR2: 00007ffca4b73ef7 CR3: 0000000016a14000 CR4: 0000000000350ef0 [ 46.016868] Call Trace: [ 46.017830] [ 46.018271] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.019100] ? __create_object+0x59/0x80 [ 46.019865] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.020809] __vmalloc_noprof+0x59/0x60 [ 46.021559] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.022423] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.023343] bpf_prog_alloc+0x39/0x200 [ 46.024033] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.024967] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.025868] do_seccomp+0x349/0x25e0 [ 46.026588] ? find_held_lock+0x2b/0x80 [ 46.027341] ? do_prlimit+0x310/0x610 [ 46.028036] ? __pfx_do_seccomp+0x10/0x10 [ 46.028815] ? do_raw_spin_unlock+0x53/0x220 [ 46.029658] ? _raw_spin_unlock+0x1e/0x40 [ 46.030438] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.031398] ? static_key_count+0x60/0x80 [ 46.032153] prctl_set_seccomp+0x4e/0x70 [ 46.032938] __do_sys_prctl+0xe6c/0x1d70 [ 46.033708] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.034559] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.035515] ? irqentry_exit+0xf3/0x650 [ 46.036266] do_syscall_64+0xbf/0x430 [ 46.036957] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.037890] RIP: 0033:0x7f87ff6925cd [ 46.038587] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 46.041740] RSP: 002b:00007ffca4b71910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.043097] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f87ff6925cd [ 46.044383] RDX: 000055a614e68e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.045671] RBP: 00007ffca4b71970 R08: 0000000000000000 R09: 00007ffca4b71010 [ 46.046941] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a63d52ead0 [ 46.048210] R13: 00007ffca4b71da0 R14: 000055a63d52fbc0 R15: 000055a63d540780 [ 46.049522] [ 46.049956] irq event stamp: 1811 [ 46.050604] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 46.052126] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 46.053582] softirqs last enabled at (1824): [] handle_softirqs+0x50c/0x770 [ 46.054843] softirqs last disabled at (1819): [] __irq_exit_rcu+0xc4/0x100 [ 46.056091] ---[ end trace 0000000000000000 ]--- [ 49.128480] ------------[ cut here ]------------ [ 49.129305] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.131260] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.132794] Modules linked in: [ 49.133457] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.135334] Tainted: [W]=WARN [ 49.135851] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.137233] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.138049] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 49.141046] RSP: 0018:ffff888015787bc0 EFLAGS: 00010286 [ 49.141956] RAX: 0000000000000000 RBX: ffffed1002af0f78 RCX: ffffffff813a4050 [ 49.143180] RDX: ffff888015e98000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.144382] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002af0f2f [ 49.145586] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.146775] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015787df8 [ 49.147975] FS: 00007ffaad01e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.149331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.150327] CR2: 00007ffe6c322ef7 CR3: 000000000dfa2000 CR4: 0000000000350ef0 [ 49.151541] Call Trace: [ 49.151973] [ 49.152396] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.153256] ? __create_object+0x59/0x80 [ 49.153949] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.154847] __vmalloc_noprof+0x59/0x60 [ 49.155543] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.156358] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.157248] bpf_prog_alloc+0x39/0x200 [ 49.157901] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.158765] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.159623] do_seccomp+0x349/0x25e0 [ 49.160294] ? find_held_lock+0x2b/0x80 [ 49.160985] ? do_prlimit+0x310/0x610 [ 49.161688] ? __pfx_do_seccomp+0x10/0x10 [ 49.162437] ? do_raw_spin_unlock+0x53/0x220 [ 49.163216] ? _raw_spin_unlock+0x1e/0x40 [ 49.163908] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.164819] ? static_key_count+0x60/0x80 [ 49.165581] prctl_set_seccomp+0x4e/0x70 [ 49.166297] __do_sys_prctl+0xe6c/0x1d70 [ 49.166995] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.167800] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.168703] ? irqentry_exit+0xf3/0x650 [ 49.169423] do_syscall_64+0xbf/0x430 [ 49.170074] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.170968] RIP: 0033:0x7ffaad5105cd [ 49.171615] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 49.174536] RSP: 002b:00007ffe6c3218f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.175758] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffaad5105cd [ 49.176907] RDX: 0000557ead597e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.178100] RBP: 00007ffe6c321950 R08: 0000000000000000 R09: 00007ffe6c320ff0 [ 49.179126] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557ee0a022b0 [ 49.180139] R13: 00007ffe6c321d80 R14: 0000557ee0a04d20 R15: 0000557ee0a168d0 [ 49.181224] [ 49.181568] irq event stamp: 1829 [ 49.182046] hardirqs last enabled at (1837): [] __up_console_sem+0x78/0x80 [ 49.183255] hardirqs last disabled at (1846): [] __up_console_sem+0x5d/0x80 [ 49.184475] softirqs last enabled at (1340): [] handle_softirqs+0x50c/0x770 [ 49.185754] softirqs last disabled at (1865): [] __irq_exit_rcu+0xc4/0x100 [ 49.186967] ---[ end trace 0000000000000000 ]--- [ 49.868611] ------------[ cut here ]------------ [ 49.869531] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.871559] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 49.873035] Modules linked in: [ 49.873674] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.875918] Tainted: [W]=WARN [ 49.876645] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.878188] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.879077] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 49.882331] RSP: 0018:ffff888016e7fbc0 EFLAGS: 00010286 [ 49.883335] RAX: 0000000000000000 RBX: ffffed1002dcff78 RCX: ffffffff813a4050 [ 49.884652] RDX: ffff8880161a5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.885971] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dcff2f [ 49.887281] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.888592] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e7fdf8 [ 49.889909] FS: 00007fc365feb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.891381] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.892467] CR2: 00007ffdc912fef7 CR3: 0000000020341000 CR4: 0000000000350ef0 [ 49.893793] Call Trace: [ 49.894309] [ 49.894732] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.895649] ? __create_object+0x59/0x80 [ 49.896453] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.897463] __vmalloc_noprof+0x59/0x60 [ 49.898236] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.899084] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.900029] bpf_prog_alloc+0x39/0x200 [ 49.900785] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.901746] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.902668] do_seccomp+0x349/0x25e0 [ 49.903401] ? find_held_lock+0x2b/0x80 [ 49.904133] ? do_prlimit+0x310/0x610 [ 49.904893] ? __pfx_do_seccomp+0x10/0x10 [ 49.905708] ? do_raw_spin_unlock+0x53/0x220 [ 49.906557] ? _raw_spin_unlock+0x1e/0x40 [ 49.907356] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.908340] ? static_key_count+0x60/0x80 [ 49.909123] prctl_set_seccomp+0x4e/0x70 [ 49.909909] __do_sys_prctl+0xe6c/0x1d70 [ 49.910711] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.911587] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.912577] ? irqentry_exit+0xf3/0x650 [ 49.913377] do_syscall_64+0xbf/0x430 [ 49.914088] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.915060] RIP: 0033:0x7fc3664dd5cd [ 49.915782] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 49.919028] RSP: 002b:00007ffdc912e7a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.920412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc3664dd5cd [ 49.921735] RDX: 00005617a71d7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.923042] RBP: 00007ffdc912e800 R08: 0000000000000000 R09: 00007ffdc912dea0 [ 49.924353] R10: 0000000000000000 R11: 0000000000000246 R12: 00005617e407fad0 [ 49.925628] R13: 00007ffdc912ec30 R14: 00005617e4080bc0 R15: 00005617e4091780 [ 49.926726] [ 49.927086] irq event stamp: 1837 [ 49.927638] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 49.928925] hardirqs last disabled at (1856): [] __up_console_sem+0x5d/0x80 [ 49.930225] softirqs last enabled at (1806): [] handle_softirqs+0x50c/0x770 [ 49.931528] softirqs last disabled at (1801): [] __irq_exit_rcu+0xc4/0x100 [ 49.932809] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:33373' (ECDSA) to the list of known hosts. 2025/11/18 14:56:51 fuzzer started 2025/11/18 14:56:51 dialing manager at localhost:34383 2025/11/18 14:56:51 checking machine... 2025/11/18 14:56:51 checking revisions... [ 50.853529] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:56:51 testing simple program... [ 50.950113] cgroup: Unknown subsys name 'net' [ 51.002326] cgroup: Unknown subsys name 'cpuset' [ 51.019460] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:56:50 Registers: info registers vcpu 0 RAX=0000000000046c65 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff8b4796000 CR3=000000000df7b000 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=2030353a36353a343120383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030353a36353a3431203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff888018a23000 RBX=0000000000000001 RCX=ffffffff84bf0364 RDX=ffff888015e9b780 RSI=ffffffff84bf0416 RDI=0000000000000005 RBP=00007ffaad790000 RSP=ffff88800e417c90 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=00007ffaad79130c R13=0000000000000005 R14=ffff88801685b660 R15=00007ffaadb14fff RIP=ffffffff84bf041a RFL=00000293 [--S-A-C] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007ffaad01e900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffaad79130c CR3=00000000203ea000 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=6720646572637465733a4d41503d706f XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000