Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.016657] ------------[ cut here ]------------ [ 39.017734] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.019942] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.021651] Modules linked in: [ 39.022367] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.024580] Tainted: [W]=WARN [ 39.025255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.026956] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.028014] 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 [ 39.031633] RSP: 0018:ffff88801698fbc0 EFLAGS: 00010286 [ 39.032758] RAX: 0000000000000000 RBX: ffffed1002d31f78 RCX: ffffffff813a4050 [ 39.034238] RDX: ffff888016971bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.035691] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d31f2f [ 39.037158] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.038561] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801698fdf8 [ 39.039989] FS: 00007f3e5630d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.041625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.042836] CR2: 00007ffd0cd41ef7 CR3: 000000000bda7000 CR4: 0000000000350ef0 [ 39.044282] Call Trace: [ 39.044826] [ 39.045346] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.046341] ? __create_object+0x59/0x80 [ 39.047226] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.048312] __vmalloc_noprof+0x59/0x60 [ 39.049724] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.050711] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.051765] bpf_prog_alloc+0x39/0x200 [ 39.052611] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.053643] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.054644] do_seccomp+0x349/0x25e0 [ 39.055442] ? find_held_lock+0x2b/0x80 [ 39.056284] ? do_prlimit+0x310/0x610 [ 39.057120] ? __pfx_do_seccomp+0x10/0x10 [ 39.057948] ? do_raw_spin_unlock+0x53/0x220 [ 39.058896] ? _raw_spin_unlock+0x1e/0x40 [ 39.059774] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.060868] ? static_key_count+0x60/0x80 [ 39.061774] prctl_set_seccomp+0x4e/0x70 [ 39.062653] __do_sys_prctl+0xe6c/0x1d70 [ 39.063543] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.064523] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.065613] ? irqentry_exit+0xf3/0x650 [ 39.066482] do_syscall_64+0xbf/0x430 [ 39.067325] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.068400] RIP: 0033:0x7f3e567ff5cd [ 39.069217] 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 [ 39.072891] RSP: 002b:00007ffd0cd40120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.074421] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3e567ff5cd [ 39.075846] RDX: 0000563182e66e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.077298] RBP: 00007ffd0cd40180 R08: 0000000000000000 R09: 00007ffd0cd3f820 [ 39.078470] R10: 0000000000000000 R11: 0000000000000246 R12: 000056318a483ad0 [ 39.079639] R13: 00007ffd0cd405b0 R14: 000056318a484bc0 R15: 000056318a495780 [ 39.080841] [ 39.081265] irq event stamp: 1805 [ 39.081820] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 39.083207] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 39.084594] softirqs last enabled at (1716): [] handle_softirqs+0x50c/0x770 [ 39.086011] softirqs last disabled at (1711): [] __irq_exit_rcu+0xc4/0x100 [ 39.087400] ---[ end trace 0000000000000000 ]--- [ 41.958784] ------------[ cut here ]------------ [ 41.959564] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.961276] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.962866] Modules linked in: [ 41.963485] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.965532] Tainted: [W]=WARN [ 41.966213] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.967595] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.968627] 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 [ 41.971565] RSP: 0018:ffff8880169e7bc0 EFLAGS: 00010286 [ 41.972657] RAX: 0000000000000000 RBX: ffffed1002d3cf78 RCX: ffffffff813a4050 [ 41.974030] RDX: ffff888014ea0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.975157] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d3cf2f [ 41.976578] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.977844] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880169e7df8 [ 41.979207] FS: 00007fbddadda900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.980466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.981640] CR2: 00007ffc3cbe6ef7 CR3: 000000001f7a3000 CR4: 0000000000350ef0 [ 41.982997] Call Trace: [ 41.983509] [ 41.983956] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.985008] ? __create_object+0x59/0x80 [ 41.985786] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.986636] __vmalloc_noprof+0x59/0x60 [ 41.987465] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.988421] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.989472] bpf_prog_alloc+0x39/0x200 [ 41.990222] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.991143] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.992065] do_seccomp+0x349/0x25e0 [ 41.992759] ? find_held_lock+0x2b/0x80 [ 41.993511] ? do_prlimit+0x310/0x610 [ 41.994252] ? __pfx_do_seccomp+0x10/0x10 [ 41.995025] ? do_raw_spin_unlock+0x53/0x220 [ 41.995816] ? _raw_spin_unlock+0x1e/0x40 [ 41.996591] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.997574] ? static_key_count+0x60/0x80 [ 41.998376] prctl_set_seccomp+0x4e/0x70 [ 41.999151] __do_sys_prctl+0xe6c/0x1d70 [ 41.999901] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.000782] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.001748] ? irqentry_exit+0xf3/0x650 [ 42.002516] do_syscall_64+0xbf/0x430 [ 42.003257] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.004218] RIP: 0033:0x7fbddb2cc5cd [ 42.004887] 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 [ 42.008095] RSP: 002b:00007ffc3cbe5020 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.009477] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbddb2cc5cd [ 42.010775] RDX: 000055c25dc63e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.012062] RBP: 00007ffc3cbe5080 R08: 0000000000000000 R09: 00007ffc3cbe4720 [ 42.013358] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c2938b2bf0 [ 42.014637] R13: 00007ffc3cbe54b0 R14: 000055c2938bc380 R15: 000055c2938c7460 [ 42.015941] [ 42.016410] irq event stamp: 1755 [ 42.017030] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 42.018285] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 42.019538] softirqs last enabled at (1676): [] handle_softirqs+0x50c/0x770 [ 42.020827] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 42.022082] ---[ end trace 0000000000000000 ]--- [ 42.889183] ------------[ cut here ]------------ [ 42.890143] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.892124] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.893591] Modules linked in: [ 42.894250] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.896269] Tainted: [W]=WARN [ 42.896842] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.898343] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.899273] 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 [ 42.902532] RSP: 0018:ffff88801af9fbc0 EFLAGS: 00010286 [ 42.903545] RAX: 0000000000000000 RBX: ffffed10035f3f78 RCX: ffffffff813a4050 [ 42.904863] RDX: ffff88801579d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.906176] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035f3f2f [ 42.907489] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.908805] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801af9fdf8 [ 42.910115] FS: 00007fde5a843900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.911580] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.912676] CR2: 00007fde5ad35580 CR3: 000000001fddd000 CR4: 0000000000350ef0 [ 42.913995] Call Trace: [ 42.914471] [ 42.914886] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.915804] ? __create_object+0x59/0x80 [ 42.916608] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.917608] __vmalloc_noprof+0x59/0x60 [ 42.918382] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.919268] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.920215] bpf_prog_alloc+0x39/0x200 [ 42.920935] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.921886] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.922822] do_seccomp+0x349/0x25e0 [ 42.923561] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.924475] ? __pfx_do_seccomp+0x10/0x10 [ 42.925298] ? find_held_lock+0x2b/0x80 [ 42.926077] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.927056] ? static_key_count+0x60/0x80 [ 42.927823] prctl_set_seccomp+0x4e/0x70 [ 42.928627] __do_sys_prctl+0xe6c/0x1d70 [ 42.929418] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.930292] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.931276] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.932257] ? irqentry_exit+0xf3/0x650 [ 42.933054] do_syscall_64+0xbf/0x430 [ 42.933759] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.934731] RIP: 0033:0x7fde5ad355cd [ 42.935451] 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 [ 42.938700] RSP: 002b:00007fff825be520 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.940086] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde5ad355cd [ 42.941428] RDX: 0000556bfa510e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.942734] RBP: 00007fff825be580 R08: 0000000000000000 R09: 00007fff825bdc20 [ 42.944045] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556c1bbd0ad0 [ 42.945364] R13: 00007fff825be9b0 R14: 0000556c1bbd1bc0 R15: 0000556c1bbe2780 [ 42.946776] [ 42.947264] irq event stamp: 1773 [ 42.947885] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 42.949486] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 42.951040] softirqs last enabled at (1760): [] handle_softirqs+0x50c/0x770 [ 42.952625] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 42.954167] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:42468' (ECDSA) to the list of known hosts. 2025/11/19 03:28:19 fuzzer started 2025/11/19 03:28:20 dialing manager at localhost:34383 2025/11/19 03:28:20 checking machine... 2025/11/19 03:28:20 checking revisions... [ 43.906324] kmemleak: Automatic memory scanning thread ended 2025/11/19 03:28:20 testing simple program... [ 43.992755] cgroup: Unknown subsys name 'net' [ 44.065530] cgroup: Unknown subsys name 'cpuset' [ 44.079759] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 03:28:19 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88806ce31cd0 RBP=ffff8880196e8158 RSP=ffff8880172efcf8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000003 R11=0000000000000001 R12=0000000000000000 R13=0000000000000001 R14=0000000000000000 R15=ffff8880196e80c0 RIP=ffffffff815bd130 RFL=00000216 [----AP-] 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 00007fbddadda900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc3cbdf000 CR3=000000001fc15000 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=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=dffffc0000000000 RCX=ffffffff81461606 RDX=ffffed10012df6f4 RSI=0000000000000004 RDI=ffff8880096fb798 RBP=ffff888008ce8400 RSP=ffff888009757db8 R8 =0000000000000001 R9 =ffffed10012df6f3 R10=ffff8880096fb79b R11=0000000000000001 R12=ffffffff85cfa1a0 R13=ffff8880096fb780 R14=ffff8880096fb780 R15=ffffffff814618d1 RIP=ffffffff81441f94 RFL=00000282 [--S----] 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 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe9c8190000 CR3=000000000d6e2000 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=2039313a38323a333020393120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038313a38323a3330203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000