Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.023464] ------------[ cut here ]------------ [ 39.024401] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.026488] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.027980] Modules linked in: [ 39.028575] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.030631] Tainted: [W]=WARN [ 39.031197] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.032674] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.033557] 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 [ 39.036795] RSP: 0018:ffff8880159c7bc0 EFLAGS: 00010286 [ 39.037792] RAX: 0000000000000000 RBX: ffffed1002b38f78 RCX: ffffffff813a4050 [ 39.039105] RDX: ffff888017300000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.040391] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b38f2f [ 39.041690] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.043029] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880159c7df8 [ 39.044324] FS: 00007f07d988a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.045773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.046866] CR2: 00007fff452e1ef7 CR3: 0000000015fbc000 CR4: 0000000000350ef0 [ 39.048168] Call Trace: [ 39.048688] [ 39.049110] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.050038] ? __create_object+0x59/0x80 [ 39.050844] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.051829] __vmalloc_noprof+0x59/0x60 [ 39.052536] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.053414] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.054361] bpf_prog_alloc+0x39/0x200 [ 39.055115] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.056064] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.056983] do_seccomp+0x349/0x25e0 [ 39.057718] ? find_held_lock+0x2b/0x80 [ 39.058453] ? do_prlimit+0x310/0x610 [ 39.059214] ? __pfx_do_seccomp+0x10/0x10 [ 39.060013] ? do_raw_spin_unlock+0x53/0x220 [ 39.060858] ? _raw_spin_unlock+0x1e/0x40 [ 39.061668] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.062657] ? static_key_count+0x60/0x80 [ 39.063442] prctl_set_seccomp+0x4e/0x70 [ 39.064234] __do_sys_prctl+0xe6c/0x1d70 [ 39.065025] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.065894] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.066899] ? irqentry_exit+0xf3/0x650 [ 39.067673] do_syscall_64+0xbf/0x430 [ 39.068380] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.069340] RIP: 0033:0x7f07d9d7c5cd [ 39.070045] 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 [ 39.073265] RSP: 002b:00007fff452dfdf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.074659] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f07d9d7c5cd [ 39.075961] RDX: 000055e190a90e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.077263] RBP: 00007fff452dfe50 R08: 0000000000000000 R09: 00007fff452df4f0 [ 39.078573] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e1b455d240 [ 39.079753] R13: 00007fff452e0280 R14: 000055e1b455cbf0 R15: 000055e1b45714d0 [ 39.080835] [ 39.081190] irq event stamp: 1691 [ 39.081732] hardirqs last enabled at (1701): [] __up_console_sem+0x78/0x80 [ 39.083012] hardirqs last disabled at (1710): [] __up_console_sem+0x5d/0x80 [ 39.084289] softirqs last enabled at (1574): [] handle_softirqs+0x50c/0x770 [ 39.085575] softirqs last disabled at (1569): [] __irq_exit_rcu+0xc4/0x100 [ 39.086880] ---[ end trace 0000000000000000 ]--- [ 42.381226] ------------[ cut here ]------------ [ 42.382195] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.384257] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.385773] Modules linked in: [ 42.386393] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.388457] Tainted: [W]=WARN [ 42.389066] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.390580] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.391515] 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 [ 42.394764] RSP: 0018:ffff888019c4fbc0 EFLAGS: 00010286 [ 42.395771] RAX: 0000000000000000 RBX: ffffed1003389f78 RCX: ffffffff813a4050 [ 42.397090] RDX: ffff888013fb8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.398405] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003389f2f [ 42.399713] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.401013] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019c4fdf8 [ 42.402345] FS: 00007f6e5fbcf900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.403804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.404880] CR2: 00007ffeb9ac8ef7 CR3: 000000001f37b000 CR4: 0000000000350ef0 [ 42.406210] Call Trace: [ 42.406733] [ 42.407150] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.408080] ? __create_object+0x59/0x80 [ 42.408878] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.409887] __vmalloc_noprof+0x59/0x60 [ 42.410660] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.411516] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.412441] bpf_prog_alloc+0x39/0x200 [ 42.413191] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.414145] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.415095] do_seccomp+0x349/0x25e0 [ 42.415847] ? find_held_lock+0x2b/0x80 [ 42.416573] ? do_prlimit+0x310/0x610 [ 42.417332] ? __pfx_do_seccomp+0x10/0x10 [ 42.418122] ? do_raw_spin_unlock+0x53/0x220 [ 42.418969] ? _raw_spin_unlock+0x1e/0x40 [ 42.419749] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.420719] ? static_key_count+0x60/0x80 [ 42.421467] prctl_set_seccomp+0x4e/0x70 [ 42.422234] __do_sys_prctl+0xe6c/0x1d70 [ 42.423012] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.423860] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.424824] ? irqentry_exit+0xf3/0x650 [ 42.425554] do_syscall_64+0xbf/0x430 [ 42.426310] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.427293] RIP: 0033:0x7f6e600c15cd [ 42.428011] 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 [ 42.431189] RSP: 002b:00007ffeb9ac6430 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.432564] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6e600c15cd [ 42.433874] RDX: 0000564cb7de6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.435358] RBP: 00007ffeb9ac6490 R08: 0000000000000000 R09: 00007ffeb9ac5b30 [ 42.436660] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564ce3de3bf0 [ 42.437964] R13: 00007ffeb9ac68c0 R14: 0000564ce3ded380 R15: 0000564ce3df8460 [ 42.439286] [ 42.439763] irq event stamp: 1793 [ 42.440376] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 42.441892] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 42.443410] softirqs last enabled at (1308): [] handle_softirqs+0x50c/0x770 [ 42.444940] softirqs last disabled at (1295): [] __irq_exit_rcu+0xc4/0x100 [ 42.446456] ---[ end trace 0000000000000000 ]--- [ 43.191032] ------------[ cut here ]------------ [ 43.191803] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.193474] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 43.194718] Modules linked in: [ 43.195210] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.197067] Tainted: [W]=WARN [ 43.197528] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.198983] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.199758] 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 [ 43.202403] RSP: 0018:ffff88801c1ffbc0 EFLAGS: 00010286 [ 43.203220] RAX: 0000000000000000 RBX: ffffed100383ff78 RCX: ffffffff813a4050 [ 43.204285] RDX: ffff88800efc9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.205356] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100383ff2f [ 43.206443] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.207498] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c1ffdf8 [ 43.208578] FS: 00007fb50cc24900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.209804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.210714] CR2: 00007fb50d116580 CR3: 000000000c82e000 CR4: 0000000000350ef0 [ 43.211793] Call Trace: [ 43.212184] [ 43.212525] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.213281] ? __create_object+0x59/0x80 [ 43.213941] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.214772] __vmalloc_noprof+0x59/0x60 [ 43.215373] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.216098] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.216872] bpf_prog_alloc+0x39/0x200 [ 43.217451] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.218225] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.218992] do_seccomp+0x349/0x25e0 [ 43.219557] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.220316] ? __pfx_do_seccomp+0x10/0x10 [ 43.220972] ? find_held_lock+0x2b/0x80 [ 43.221574] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.222391] ? static_key_count+0x60/0x80 [ 43.223059] prctl_set_seccomp+0x4e/0x70 [ 43.223700] __do_sys_prctl+0xe6c/0x1d70 [ 43.224319] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.225042] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.225847] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.226663] ? irqentry_exit+0xf3/0x650 [ 43.227272] do_syscall_64+0xbf/0x430 [ 43.227886] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.228677] RIP: 0033:0x7fb50d1165cd [ 43.229231] 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 [ 43.231893] RSP: 002b:00007ffd33624d70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.233042] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb50d1165cd [ 43.234117] RDX: 000055e416d10e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.235195] RBP: 00007ffd33624dd0 R08: 0000000000000000 R09: 00007ffd33624470 [ 43.236262] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e419b5bad0 [ 43.237331] R13: 00007ffd33625200 R14: 000055e419b5cbc0 R15: 000055e419b6d780 [ 43.238423] [ 43.238804] irq event stamp: 1845 [ 43.239304] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 43.240579] hardirqs last disabled at (1868): [] __up_console_sem+0x5d/0x80 [ 43.241879] softirqs last enabled at (1866): [] handle_softirqs+0x50c/0x770 [ 43.243177] softirqs last disabled at (1861): [] __irq_exit_rcu+0xc4/0x100 [ 43.244440] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:14387' (ECDSA) to the list of known hosts. 2025/11/17 18:48:25 fuzzer started 2025/11/17 18:48:26 dialing manager at localhost:37895 2025/11/17 18:48:26 checking machine... 2025/11/17 18:48:26 checking revisions... [ 44.184828] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:48:26 testing simple program... [ 44.280538] cgroup: Unknown subsys name 'net' [ 44.342213] cgroup: Unknown subsys name 'cpuset' [ 44.354582] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 18:48:25 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=ffffffff81618fa0 RCX=ffff88806ce089a4 RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff888009613b7c RBP=ffff88806ce08ae8 RSP=ffff88806ce08a50 R8 =0000000000000001 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=0000000000011d83 R12=ffff88806ce08b18 R13=0000000000000000 R14=ffff888009613780 R15=ffff888009462280 RIP=ffffffff812dfbec RFL=00000286 [--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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6e60186618 CR3=000000000e046000 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=2035323a38343a383120373120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034323a38343a3831203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000000fb RBX=ffff88806ce201b4 RCX=0000000000000830 RDX=0000000000000000 RSI=00000000000000fb RDI=ffffffff85a8dc80 RBP=0000000000000000 RSP=ffff88806cf08c70 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=0000000000000001 R11=0000000000000001 R12=1ffff1100d9e1194 R13=1ffff110012c2601 R14=ffff88806ce383c0 R15=0000000000000000 RIP=ffffffff813409ed RFL=00000056 [---ZAP-] 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 00007f6e5fbcf900 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=00007f6e60183ae8 CR3=000000001f850000 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=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