Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.030810] ------------[ cut here ]------------ [ 39.031767] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.033774] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.035204] Modules linked in: [ 39.035865] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.037848] Tainted: [W]=WARN [ 39.038676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.040230] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.041156] 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 [ 39.044331] RSP: 0018:ffff888016717bc0 EFLAGS: 00010286 [ 39.045294] RAX: 0000000000000000 RBX: ffffed1002ce2f78 RCX: ffffffff813a4050 [ 39.046570] RDX: ffff88800e991bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.047853] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ce2f2f [ 39.049121] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.050400] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016717df8 [ 39.051695] FS: 00007f45df51f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.053150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.054217] CR2: 00007fff3acf6ef7 CR3: 000000001b99b000 CR4: 0000000000350ef0 [ 39.055500] Call Trace: [ 39.055982] [ 39.056423] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.057260] ? __create_object+0x59/0x80 [ 39.058037] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.059007] __vmalloc_noprof+0x59/0x60 [ 39.059770] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.060639] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.061564] bpf_prog_alloc+0x39/0x200 [ 39.062245] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.063175] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.064082] do_seccomp+0x349/0x25e0 [ 39.064810] ? find_held_lock+0x2b/0x80 [ 39.065562] ? do_prlimit+0x310/0x610 [ 39.066265] ? __pfx_do_seccomp+0x10/0x10 [ 39.067048] ? do_raw_spin_unlock+0x53/0x220 [ 39.067878] ? _raw_spin_unlock+0x1e/0x40 [ 39.068652] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.069619] ? static_key_count+0x60/0x80 [ 39.070418] prctl_set_seccomp+0x4e/0x70 [ 39.071152] __do_sys_prctl+0xe6c/0x1d70 [ 39.071937] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.072793] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.073757] ? irqentry_exit+0xf3/0x650 [ 39.074530] do_syscall_64+0xbf/0x430 [ 39.075215] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.076172] RIP: 0033:0x7f45dfa115cd [ 39.076873] 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 [ 39.080062] RSP: 002b:00007fff3acf4370 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.081425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f45dfa115cd [ 39.082730] RDX: 0000556cfea6ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.084011] RBP: 00007fff3acf43d0 R08: 0000000000000000 R09: 00007fff3acf3a70 [ 39.085291] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556d24da7ad0 [ 39.086568] R13: 00007fff3acf4800 R14: 0000556d24da8bc0 R15: 0000556d24db9780 [ 39.087881] [ 39.088299] irq event stamp: 1799 [ 39.088943] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 39.090440] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 39.091965] softirqs last enabled at (1684): [] handle_softirqs+0x50c/0x770 [ 39.093515] softirqs last disabled at (1679): [] __irq_exit_rcu+0xc4/0x100 [ 39.095047] ---[ end trace 0000000000000000 ]--- [ 42.048012] ------------[ cut here ]------------ [ 42.048854] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.050558] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.051781] Modules linked in: [ 42.052281] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.053943] Tainted: [W]=WARN [ 42.054447] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.055690] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.056462] 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 [ 42.059107] RSP: 0018:ffff88801b377bc0 EFLAGS: 00010286 [ 42.059898] RAX: 0000000000000000 RBX: ffffed100366ef78 RCX: ffffffff813a4050 [ 42.060966] RDX: ffff88800f72d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.062028] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100366ef2f [ 42.063103] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.064197] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b377df8 [ 42.065275] FS: 00007fda0385e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.066462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.067271] CR2: 00007ffcd765def7 CR3: 000000000d31e000 CR4: 0000000000350ef0 [ 42.068303] Call Trace: [ 42.068724] [ 42.069074] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.069831] ? __create_object+0x59/0x80 [ 42.070500] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.071272] __vmalloc_noprof+0x59/0x60 [ 42.071949] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.072697] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.073484] bpf_prog_alloc+0x39/0x200 [ 42.074072] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.074850] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.075597] do_seccomp+0x349/0x25e0 [ 42.076173] ? find_held_lock+0x2b/0x80 [ 42.076803] ? do_prlimit+0x310/0x610 [ 42.077409] ? __pfx_do_seccomp+0x10/0x10 [ 42.078010] ? do_raw_spin_unlock+0x53/0x220 [ 42.078694] ? _raw_spin_unlock+0x1e/0x40 [ 42.079303] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.080106] ? static_key_count+0x60/0x80 [ 42.080750] prctl_set_seccomp+0x4e/0x70 [ 42.081402] __do_sys_prctl+0xe6c/0x1d70 [ 42.082029] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.082760] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.083575] ? irqentry_exit+0xf3/0x650 [ 42.084194] do_syscall_64+0xbf/0x430 [ 42.084822] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.085635] RIP: 0033:0x7fda03d505cd [ 42.086178] 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 [ 42.088760] RSP: 002b:00007ffcd765c920 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.089886] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fda03d505cd [ 42.090918] RDX: 000055e6a7a5ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.091947] RBP: 00007ffcd765c980 R08: 0000000000000000 R09: 00007ffcd765c020 [ 42.092980] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e6b1436b10 [ 42.094000] R13: 00007ffcd765cdb0 R14: 000055e6b14372b0 R15: 000055e6b144b6f0 [ 42.095040] [ 42.095422] irq event stamp: 1741 [ 42.095918] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 42.097145] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 42.098370] softirqs last enabled at (1372): [] handle_softirqs+0x50c/0x770 [ 42.099593] softirqs last disabled at (1367): [] __irq_exit_rcu+0xc4/0x100 [ 42.100819] ---[ end trace 0000000000000000 ]--- [ 42.774103] ------------[ cut here ]------------ [ 42.774899] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.776554] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 42.777723] Modules linked in: [ 42.778200] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.779984] Tainted: [W]=WARN [ 42.780541] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.781724] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.782462] 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 [ 42.784981] RSP: 0018:ffff88801b2ffbc0 EFLAGS: 00010286 [ 42.785771] RAX: 0000000000000000 RBX: ffffed100365ff78 RCX: ffffffff813a4050 [ 42.786788] RDX: ffff8880166db780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.787820] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100365ff2f [ 42.788847] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.789881] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b2ffdf8 [ 42.790903] FS: 00007ff85ef26900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.792067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.792921] CR2: 00007ff85f418580 CR3: 000000001ffa6000 CR4: 0000000000350ef0 [ 42.793948] Call Trace: [ 42.794319] [ 42.794682] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.795402] ? __create_object+0x59/0x80 [ 42.795998] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.796772] __vmalloc_noprof+0x59/0x60 [ 42.797340] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.798046] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.798788] bpf_prog_alloc+0x39/0x200 [ 42.799340] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.800092] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.800810] do_seccomp+0x349/0x25e0 [ 42.801387] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.802067] ? __pfx_do_seccomp+0x10/0x10 [ 42.802701] ? find_held_lock+0x2b/0x80 [ 42.803274] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.804047] ? static_key_count+0x60/0x80 [ 42.804689] prctl_set_seccomp+0x4e/0x70 [ 42.805271] __do_sys_prctl+0xe6c/0x1d70 [ 42.805900] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.806570] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.807296] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.808068] ? irqentry_exit+0xf3/0x650 [ 42.808681] do_syscall_64+0xbf/0x430 [ 42.809238] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.809999] RIP: 0033:0x7ff85f4185cd [ 42.810563] 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 [ 42.813078] RSP: 002b:00007ffc975dea90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.814171] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff85f4185cd [ 42.815190] RDX: 000055b2946d4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.816219] RBP: 00007ffc975deaf0 R08: 0000000000000000 R09: 00007ffc975de190 [ 42.817239] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b2b496fad0 [ 42.818252] R13: 00007ffc975def20 R14: 000055b2b4970bc0 R15: 000055b2b4981780 [ 42.819289] [ 42.819680] irq event stamp: 1805 [ 42.820162] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 42.821374] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 42.822597] softirqs last enabled at (1348): [] handle_softirqs+0x50c/0x770 [ 42.823838] softirqs last disabled at (1325): [] __irq_exit_rcu+0xc4/0x100 [ 42.825055] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:2682' (ECDSA) to the list of known hosts. 2025/11/19 04:43:37 fuzzer started 2025/11/19 04:43:37 dialing manager at localhost:34383 2025/11/19 04:43:37 checking machine... 2025/11/19 04:43:37 checking revisions... [ 43.700480] kmemleak: Automatic memory scanning thread ended 2025/11/19 04:43:38 testing simple program... [ 43.776952] cgroup: Unknown subsys name 'net' [ 43.816955] cgroup: Unknown subsys name 'cpuset' [ 43.830250] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 04:43:37 Registers: info registers vcpu 0 RAX=0000000000045e99 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 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f175d832000 CR3=000000000ce85000 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=2037333a33343a343020393120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036333a33343a3430203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff87cecb40 RBX=ffff88800f870000 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff88800f870aa8 RDI=ffff88800f870a80 RBP=ffff88800f870a58 RSP=ffff88806cf08888 R8 =0000000000000002 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88800f870aa8 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81527568 RFL=00000086 [--S--P-] 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 00007fda0385e900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fda0391b50c CR3=000000002040c000 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