Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.972024] ------------[ cut here ]------------ [ 38.973026] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.975363] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.976978] Modules linked in: [ 38.977690] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.979801] Tainted: [W]=WARN [ 38.980404] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.981994] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.982964] 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 [ 38.986355] RSP: 0018:ffff88801bc67bc0 EFLAGS: 00010286 [ 38.987411] RAX: 0000000000000000 RBX: ffffed100378cf78 RCX: ffffffff813a4050 [ 38.988772] RDX: ffff888016833780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.990148] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100378cf2f [ 38.991489] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.992866] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bc67df8 [ 38.994258] FS: 00007ff5df67a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.995775] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.996896] CR2: 00007fff8486eef7 CR3: 000000000d750000 CR4: 0000000000350ef0 [ 38.998310] Call Trace: [ 38.998851] [ 38.999297] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.000264] ? __create_object+0x59/0x80 [ 39.001099] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.002138] __vmalloc_noprof+0x59/0x60 [ 39.002948] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.003881] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.004870] bpf_prog_alloc+0x39/0x200 [ 39.005679] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.006665] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.007561] do_seccomp+0x349/0x25e0 [ 39.008347] ? find_held_lock+0x2b/0x80 [ 39.009169] ? do_prlimit+0x310/0x610 [ 39.009975] ? __pfx_do_seccomp+0x10/0x10 [ 39.010804] ? do_raw_spin_unlock+0x53/0x220 [ 39.011678] ? _raw_spin_unlock+0x1e/0x40 [ 39.012471] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.013503] ? static_key_count+0x60/0x80 [ 39.014329] prctl_set_seccomp+0x4e/0x70 [ 39.015159] __do_sys_prctl+0xe6c/0x1d70 [ 39.015989] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.016896] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.017948] ? irqentry_exit+0xf3/0x650 [ 39.018781] do_syscall_64+0xbf/0x430 [ 39.019529] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.020556] RIP: 0033:0x7ff5dfb6c5cd [ 39.021337] 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 [ 39.024754] RSP: 002b:00007fff8486c520 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.026267] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5dfb6c5cd [ 39.027663] RDX: 000056089e5c2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.029036] RBP: 00007fff8486c580 R08: 0000000000000000 R09: 00007fff8486bc20 [ 39.030447] R10: 0000000000000000 R11: 0000000000000246 R12: 00005608cbc5fad0 [ 39.031841] R13: 00007fff8486c9b0 R14: 00005608cbc60bc0 R15: 00005608cbc71780 [ 39.033257] [ 39.033770] irq event stamp: 1737 [ 39.034420] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 39.036063] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 39.037727] softirqs last enabled at (1580): [] handle_softirqs+0x50c/0x770 [ 39.039188] softirqs last disabled at (1575): [] __irq_exit_rcu+0xc4/0x100 [ 39.040547] ---[ end trace 0000000000000000 ]--- [ 41.838533] ------------[ cut here ]------------ [ 41.839487] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.841538] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 41.843070] Modules linked in: [ 41.843709] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.845711] Tainted: [W]=WARN [ 41.846257] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.847724] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.848657] 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 [ 41.851864] RSP: 0018:ffff888016ff7bc0 EFLAGS: 00010286 [ 41.852842] RAX: 0000000000000000 RBX: ffffed1002dfef78 RCX: ffffffff813a4050 [ 41.854142] RDX: ffff8880164b3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.855426] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dfef2f [ 41.856714] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.858040] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ff7df8 [ 41.859335] FS: 00007f599306b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.860767] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.861825] CR2: 00007f59935d14a6 CR3: 0000000020642000 CR4: 0000000000350ef0 [ 41.863117] Call Trace: [ 41.863632] [ 41.864042] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.864948] ? __create_object+0x59/0x80 [ 41.865752] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.866729] __vmalloc_noprof+0x59/0x60 [ 41.867440] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.868307] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.869238] bpf_prog_alloc+0x39/0x200 [ 41.870016] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.870937] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.871831] do_seccomp+0x349/0x25e0 [ 41.872524] ? find_held_lock+0x2b/0x80 [ 41.873302] ? do_prlimit+0x310/0x610 [ 41.874057] ? __pfx_do_seccomp+0x10/0x10 [ 41.874879] ? do_raw_spin_unlock+0x53/0x220 [ 41.875714] ? _raw_spin_unlock+0x1e/0x40 [ 41.876446] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.877425] ? static_key_count+0x60/0x80 [ 41.878246] prctl_set_seccomp+0x4e/0x70 [ 41.879036] __do_sys_prctl+0xe6c/0x1d70 [ 41.879812] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.880681] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.881665] ? irqentry_exit+0xf3/0x650 [ 41.882379] do_syscall_64+0xbf/0x430 [ 41.883117] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.884073] RIP: 0033:0x7f599355d5cd [ 41.884789] 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 [ 41.887980] RSP: 002b:00007ffc89c1c150 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.889350] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f599355d5cd [ 41.890631] RDX: 0000563811fd4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.891899] RBP: 00007ffc89c1c1b0 R08: 0000000000000000 R09: 00007ffc89c1b850 [ 41.893187] R10: 0000000000000000 R11: 0000000000000246 R12: 000056382820bad0 [ 41.894476] R13: 00007ffc89c1c5e0 R14: 000056382820cbc0 R15: 000056382821d780 [ 41.895795] [ 41.896222] irq event stamp: 1729 [ 41.896872] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 41.898420] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 41.899939] softirqs last enabled at (1762): [] handle_softirqs+0x50c/0x770 [ 41.901510] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 41.902789] ---[ end trace 0000000000000000 ]--- [ 42.507949] ------------[ cut here ]------------ [ 42.508881] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.510903] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.512357] Modules linked in: [ 42.513059] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.515052] Tainted: [W]=WARN [ 42.515646] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.517102] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.518017] 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 [ 42.521160] RSP: 0018:ffff88800ef9fbc0 EFLAGS: 00010286 [ 42.522140] RAX: 0000000000000000 RBX: ffffed1001df3f78 RCX: ffffffff813a4050 [ 42.523401] RDX: ffff8880167a9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.524666] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001df3f2f [ 42.525947] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.527216] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ef9fdf8 [ 42.528484] FS: 00007f9e931e4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.529912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.530966] CR2: 00007f9e936d6580 CR3: 000000000de76000 CR4: 0000000000350ef0 [ 42.532239] Call Trace: [ 42.532725] [ 42.533137] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.534043] ? __create_object+0x59/0x80 [ 42.534822] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.535783] __vmalloc_noprof+0x59/0x60 [ 42.536498] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.537366] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.538292] bpf_prog_alloc+0x39/0x200 [ 42.539008] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.539948] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.540850] do_seccomp+0x349/0x25e0 [ 42.541539] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.542441] ? __pfx_do_seccomp+0x10/0x10 [ 42.543222] ? find_held_lock+0x2b/0x80 [ 42.543973] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.544922] ? static_key_count+0x60/0x80 [ 42.545741] prctl_set_seccomp+0x4e/0x70 [ 42.546468] __do_sys_prctl+0xe6c/0x1d70 [ 42.547241] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.548085] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.549040] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.550155] ? irqentry_exit+0xf3/0x650 [ 42.550919] do_syscall_64+0xbf/0x430 [ 42.551649] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.552559] RIP: 0033:0x7f9e936d65cd [ 42.553278] 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 [ 42.556421] RSP: 002b:00007ffce5640360 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.557842] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9e936d65cd [ 42.559110] RDX: 000055c530d68e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.560363] RBP: 00007ffce56403c0 R08: 0000000000000000 R09: 00007ffce563fa60 [ 42.561636] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c54b004ad0 [ 42.562892] R13: 00007ffce56407f0 R14: 000055c54b005bc0 R15: 000055c54b016780 [ 42.564168] [ 42.564614] irq event stamp: 1789 [ 42.565208] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 42.566760] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 42.568260] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 42.569838] softirqs last disabled at (1825): [] __irq_exit_rcu+0xc4/0x100 [ 42.571459] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:17894' (ECDSA) to the list of known hosts. 2025/11/17 21:16:28 fuzzer started 2025/11/17 21:16:28 dialing manager at localhost:37895 2025/11/17 21:16:28 checking machine... 2025/11/17 21:16:28 checking revisions... [ 43.256586] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:16:28 testing simple program... [ 43.325482] cgroup: Unknown subsys name 'net' [ 43.375660] cgroup: Unknown subsys name 'cpuset' [ 43.386209] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:16:28 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff888009627840 RCX=0000000000000001 RDX=ffff888009628001 RSI=ffff888009627810 RDI=ffff888009627850 RBP=ffff888009620000 RSP=ffff888009627780 R8 =0000000000000001 R9 =ffff888009627880 R10=000000000003c9ed R11=0000000000006e2e R12=ffff888009627801 R13=ffff888009627888 R14=ffff888009627810 R15=ffff888009627840 RIP=ffffffff8135eecb RFL=00000202 [-------] 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 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5993030008 CR3=0000000009e01000 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=2037323a36313a313220373120766f4e XMM01=657463656e6e6f63736944203a5d3933 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3933325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037323a36313a3132203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000023831 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdc6813fa8 CR3=000000000d1c6000 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=7557c29a936b6193ec4d39d1990b9b15 XMM02=0000000000307708ec2efd57dc4c00df XMM03=00000000003111a016d980b60c4f9cff XMM04=9891ab9b2241727500000000000ae988 XMM05=07c8bb74b6c04a4400000000003214f0 XMM06=53b03eb5b8308a5f000000000031ac00 XMM07=e042d86d42eb936e0000000000311b88 XMM08=16d980b60c4f9cff0000000000307768 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000