Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.927696] ------------[ cut here ]------------ [ 38.928601] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.931274] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.932720] Modules linked in: [ 38.933307] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.935350] Tainted: [W]=WARN [ 38.936003] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.937620] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.938634] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 38.942180] RSP: 0018:ffff8880157b7bc0 EFLAGS: 00010286 [ 38.943278] RAX: 0000000000000000 RBX: ffffed1002af6f78 RCX: ffffffff813a4050 [ 38.944710] RDX: ffff88800f455340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.946143] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002af6f2f [ 38.947570] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.948998] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880157b7df8 [ 38.950416] FS: 00007f8db3143900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.952024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.953215] CR2: 00007f8db3635580 CR3: 000000001d4d1000 CR4: 0000000000350ef0 [ 38.954646] Call Trace: [ 38.955185] [ 38.955685] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.956685] ? __create_object+0x59/0x80 [ 38.957513] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.958625] __vmalloc_noprof+0x59/0x60 [ 38.959432] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.960401] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.961431] bpf_prog_alloc+0x39/0x200 [ 38.962248] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.963289] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.964283] do_seccomp+0x349/0x25e0 [ 38.965086] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.966076] ? __pfx_do_seccomp+0x10/0x10 [ 38.966966] ? find_held_lock+0x2b/0x80 [ 38.967812] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.968889] ? static_key_count+0x60/0x80 [ 38.969781] prctl_set_seccomp+0x4e/0x70 [ 38.970648] __do_sys_prctl+0xe6c/0x1d70 [ 38.971483] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.972431] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.973504] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.974607] ? irqentry_exit+0xf3/0x650 [ 38.975431] do_syscall_64+0xbf/0x430 [ 38.976246] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.977296] RIP: 0033:0x7f8db36355cd [ 38.978074] 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 [ 38.981447] RSP: 002b:00007ffd7438d740 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.982785] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8db36355cd [ 38.984045] RDX: 000056187efcde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.985299] RBP: 00007ffd7438d7a0 R08: 0000000000000000 R09: 00007ffd7438ce40 [ 38.986559] R10: 0000000000000000 R11: 0000000000000246 R12: 00005618a4e78ad0 [ 38.987812] R13: 00007ffd7438dbd0 R14: 00005618a4e79bc0 R15: 00005618a4e8a780 [ 38.989080] [ 38.989495] irq event stamp: 1755 [ 38.990121] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 38.991617] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 38.993115] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 38.994626] softirqs last disabled at (1673): [] __irq_exit_rcu+0xc4/0x100 [ 38.996120] ---[ end trace 0000000000000000 ]--- [ 42.482850] ------------[ cut here ]------------ [ 42.483860] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.485987] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.487549] Modules linked in: [ 42.488154] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.490146] Tainted: [W]=WARN [ 42.490746] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.492230] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.493157] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 42.496374] RSP: 0018:ffff88801757fbc0 EFLAGS: 00010286 [ 42.497355] RAX: 0000000000000000 RBX: ffffed1002eaff78 RCX: ffffffff813a4050 [ 42.498660] RDX: ffff88800a303780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.499965] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eaff2f [ 42.501270] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.502560] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801757fdf8 [ 42.503862] FS: 00007fed15348900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.505328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.506403] CR2: 00007fed158ae4a6 CR3: 00000000203f9000 CR4: 0000000000350ef0 [ 42.507713] Call Trace: [ 42.508183] [ 42.508633] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.509505] ? __create_object+0x59/0x80 [ 42.510307] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.511301] __vmalloc_noprof+0x59/0x60 [ 42.512068] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.512956] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.513901] bpf_prog_alloc+0x39/0x200 [ 42.514632] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.515592] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.516485] do_seccomp+0x349/0x25e0 [ 42.517221] ? find_held_lock+0x2b/0x80 [ 42.517987] ? do_prlimit+0x310/0x610 [ 42.518735] ? __pfx_do_seccomp+0x10/0x10 [ 42.519507] ? do_raw_spin_unlock+0x53/0x220 [ 42.520353] ? _raw_spin_unlock+0x1e/0x40 [ 42.521139] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.522118] ? static_key_count+0x60/0x80 [ 42.522944] prctl_set_seccomp+0x4e/0x70 [ 42.523724] __do_sys_prctl+0xe6c/0x1d70 [ 42.524468] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.525343] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.526324] ? irqentry_exit+0xf3/0x650 [ 42.527117] do_syscall_64+0xbf/0x430 [ 42.527864] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.528828] RIP: 0033:0x7fed1583a5cd [ 42.529501] 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 [ 42.532712] RSP: 002b:00007ffd1a002140 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.534087] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fed1583a5cd [ 42.535394] RDX: 000055c57728fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.536708] RBP: 00007ffd1a0021a0 R08: 0000000000000000 R09: 00007ffd1a001840 [ 42.538019] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c5a7ca0240 [ 42.539316] R13: 00007ffd1a0025d0 R14: 000055c5a7c9fbf0 R15: 000055c5a7cb44d0 [ 42.540634] [ 42.541067] irq event stamp: 1737 [ 42.541725] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 42.543288] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 42.544813] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 42.546373] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 42.547920] ---[ end trace 0000000000000000 ]--- [ 43.389800] ------------[ cut here ]------------ [ 43.390577] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.392315] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.393547] Modules linked in: [ 43.394058] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.395748] Tainted: [W]=WARN [ 43.396226] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.397698] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.398435] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 43.401223] RSP: 0018:ffff888017a2fbc0 EFLAGS: 00010286 [ 43.402061] RAX: 0000000000000000 RBX: ffffed1002f45f78 RCX: ffffffff813a4050 [ 43.403165] RDX: ffff88800edfd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.404264] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f45f2f [ 43.405360] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.406455] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017a2fdf8 [ 43.407564] FS: 00007f62c0e1e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.408801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.409712] CR2: 00007fff6c1d3ef7 CR3: 000000000e19d000 CR4: 0000000000350ef0 [ 43.410803] Call Trace: [ 43.411207] [ 43.411587] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.412315] ? __create_object+0x59/0x80 [ 43.412987] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.413823] __vmalloc_noprof+0x59/0x60 [ 43.414434] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.415197] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.416000] bpf_prog_alloc+0x39/0x200 [ 43.416640] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.417396] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.418170] do_seccomp+0x349/0x25e0 [ 43.418775] ? find_held_lock+0x2b/0x80 [ 43.419400] ? do_prlimit+0x310/0x610 [ 43.420042] ? __pfx_do_seccomp+0x10/0x10 [ 43.420723] ? do_raw_spin_unlock+0x53/0x220 [ 43.421391] ? _raw_spin_unlock+0x1e/0x40 [ 43.422053] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.422875] ? static_key_count+0x60/0x80 [ 43.423565] prctl_set_seccomp+0x4e/0x70 [ 43.424187] __do_sys_prctl+0xe6c/0x1d70 [ 43.424854] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.425597] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.426389] ? irqentry_exit+0xf3/0x650 [ 43.427057] do_syscall_64+0xbf/0x430 [ 43.427684] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.428458] RIP: 0033:0x7f62c13105cd [ 43.429065] 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 [ 43.431772] RSP: 002b:00007fff6c1d1fa0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.432933] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f62c13105cd [ 43.434031] RDX: 0000560c78932e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.435145] RBP: 00007fff6c1d2000 R08: 0000000000000000 R09: 00007fff6c1d16a0 [ 43.436245] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560c8059fad0 [ 43.437338] R13: 00007fff6c1d2430 R14: 0000560c805a0bc0 R15: 0000560c805b1780 [ 43.438447] [ 43.438849] irq event stamp: 1807 [ 43.439371] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 43.440677] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80 [ 43.441975] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 43.443311] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 43.444590] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:65292' (ECDSA) to the list of known hosts. 2025/11/18 05:56:33 fuzzer started 2025/11/18 05:56:34 dialing manager at localhost:37895 2025/11/18 05:56:34 checking machine... 2025/11/18 05:56:34 checking revisions... [ 44.326030] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:56:34 testing simple program... [ 44.415573] cgroup: Unknown subsys name 'net' [ 44.471063] cgroup: Unknown subsys name 'cpuset' [ 44.482245] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 05:56:33 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888016013780 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff8880160141d8 RSP=ffff88806ce088f8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888016014228 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff8152705f RFL=00000046 [---Z-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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fed15348900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fed158fd650 CR3=0000000020372000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff88800e0e9c00 RBX=ffff88806cf3c500 RCX=ce19ef02de59e55a RDX=ffff88800e0e9e00 RSI=000000008a30acac RDI=ffff88800edfa640 RBP=0000000000000004 RSP=ffff8880171df1d8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000020 R11=ffff888008c63c20 R12=0000000000000004 R13=ffff888008c4bdc0 R14=ffff888008c63c40 R15=0000000000000287 RIP=ffffffff81ab3135 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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe2a2bf2790 CR3=0000000020590000 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=36353a353020383120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3034325b646873732033333a3635 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343039 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000