Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.972180] ------------[ cut here ]------------ [ 38.973079] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.975058] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.976497] Modules linked in: [ 38.977074] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.979025] Tainted: [W]=WARN [ 38.979653] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.981101] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.982019] 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 [ 38.985151] RSP: 0018:ffff888016d27bc0 EFLAGS: 00010286 [ 38.986115] RAX: 0000000000000000 RBX: ffffed1002da4f78 RCX: ffffffff813a4050 [ 38.987381] RDX: ffff888013bb5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.988645] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002da4f2f [ 38.989896] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.991175] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d27df8 [ 38.992453] FS: 00007f070e955900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.993857] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.994890] CR2: 00007f070ee47580 CR3: 000000000eebc000 CR4: 0000000000350ef0 [ 38.996163] Call Trace: [ 38.996669] [ 38.997071] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.997947] ? __create_object+0x59/0x80 [ 38.998716] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.999694] __vmalloc_noprof+0x59/0x60 [ 39.000440] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.001305] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.002175] bpf_prog_alloc+0x39/0x200 [ 39.002908] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.003829] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.004727] do_seccomp+0x349/0x25e0 [ 39.005437] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.006327] ? __pfx_do_seccomp+0x10/0x10 [ 39.007049] ? find_held_lock+0x2b/0x80 [ 39.007833] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.008775] ? static_key_count+0x60/0x80 [ 39.009560] prctl_set_seccomp+0x4e/0x70 [ 39.010329] __do_sys_prctl+0xe6c/0x1d70 [ 39.011052] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.011900] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.012834] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.013793] ? irqentry_exit+0xf3/0x650 [ 39.014548] do_syscall_64+0xbf/0x430 [ 39.015223] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.016170] RIP: 0033:0x7f070ee475cd [ 39.016866] 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 [ 39.019965] RSP: 002b:00007ffeb26c6c10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.021293] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f070ee475cd [ 39.022875] RDX: 000055b8d916fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.024150] RBP: 00007ffeb26c6c70 R08: 0000000000000000 R09: 00007ffeb26c6310 [ 39.025410] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b90eca3ad0 [ 39.026653] R13: 00007ffeb26c70a0 R14: 000055b90eca4bc0 R15: 000055b90ecb5780 [ 39.027951] [ 39.028422] irq event stamp: 1833 [ 39.029006] hardirqs last enabled at (1841): [] __up_console_sem+0x78/0x80 [ 39.030505] hardirqs last disabled at (1850): [] __up_console_sem+0x5d/0x80 [ 39.032010] softirqs last enabled at (1830): [] handle_softirqs+0x50c/0x770 [ 39.033265] softirqs last disabled at (1815): [] __irq_exit_rcu+0xc4/0x100 [ 39.034485] ---[ end trace 0000000000000000 ]--- [ 41.679199] ------------[ cut here ]------------ [ 41.679659] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.680915] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.681584] Modules linked in: [ 41.681854] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.682758] Tainted: [W]=WARN [ 41.683009] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.683680] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.684073] 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 [ 41.685509] RSP: 0018:ffff88800fb6fbc0 EFLAGS: 00010286 [ 41.685934] RAX: 0000000000000000 RBX: ffffed1001f6df78 RCX: ffffffff813a4050 [ 41.686518] RDX: ffff888015348000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.687076] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001f6df2f [ 41.687661] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.688220] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800fb6fdf8 [ 41.688978] FS: 00007efc71b15900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.689810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.690291] CR2: 00007efc72007580 CR3: 000000001f7ec000 CR4: 0000000000350ef0 [ 41.690854] Call Trace: [ 41.691063] [ 41.691268] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.691662] ? __create_object+0x59/0x80 [ 41.691994] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.692430] __vmalloc_noprof+0x59/0x60 [ 41.692752] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.693124] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.693541] bpf_prog_alloc+0x39/0x200 [ 41.693854] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.694269] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.694658] do_seccomp+0x349/0x25e0 [ 41.694963] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.695374] ? __pfx_do_seccomp+0x10/0x10 [ 41.695719] ? find_held_lock+0x2b/0x80 [ 41.696044] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.696477] ? static_key_count+0x60/0x80 [ 41.696819] prctl_set_seccomp+0x4e/0x70 [ 41.697147] __do_sys_prctl+0xe6c/0x1d70 [ 41.697546] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.698018] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.698554] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.699133] ? irqentry_exit+0xf3/0x650 [ 41.699484] do_syscall_64+0xbf/0x430 [ 41.699810] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.700221] RIP: 0033:0x7efc720075cd [ 41.700540] 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 [ 41.701981] RSP: 002b:00007ffc8fa83910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.702602] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efc720075cd [ 41.703164] RDX: 000055a4015bbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.703751] RBP: 00007ffc8fa83970 R08: 0000000000000000 R09: 00007ffc8fa83010 [ 41.704330] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a422964ad0 [ 41.704892] R13: 00007ffc8fa83da0 R14: 000055a422965bc0 R15: 000055a422976780 [ 41.705476] [ 41.705668] irq event stamp: 1865 [ 41.705943] hardirqs last enabled at (1873): [] __up_console_sem+0x78/0x80 [ 41.706632] hardirqs last disabled at (1882): [] __up_console_sem+0x5d/0x80 [ 41.707317] softirqs last enabled at (1388): [] handle_softirqs+0x50c/0x770 [ 41.708004] softirqs last disabled at (1367): [] __irq_exit_rcu+0xc4/0x100 [ 41.708692] ---[ end trace 0000000000000000 ]--- [ 42.459100] ------------[ cut here ]------------ [ 42.459873] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.461516] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.462675] Modules linked in: [ 42.463157] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.464729] Tainted: [W]=WARN [ 42.465171] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.466334] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.467029] 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 [ 42.469553] RSP: 0018:ffff888016217bc0 EFLAGS: 00010286 [ 42.470324] RAX: 0000000000000000 RBX: ffffed1002c42f78 RCX: ffffffff813a4050 [ 42.471347] RDX: ffff888016273780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.472375] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c42f2f [ 42.473393] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.474409] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016217df8 [ 42.475437] FS: 00007f7f26eac900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.476594] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.477439] CR2: 00007ffc38a9def7 CR3: 000000001f503000 CR4: 0000000000350ef0 [ 42.478456] Call Trace: [ 42.478835] [ 42.479159] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.479892] ? __create_object+0x59/0x80 [ 42.480514] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.481282] __vmalloc_noprof+0x59/0x60 [ 42.481854] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.482534] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.483234] bpf_prog_alloc+0x39/0x200 [ 42.483840] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.484585] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.485325] do_seccomp+0x349/0x25e0 [ 42.485863] ? find_held_lock+0x2b/0x80 [ 42.486480] ? do_prlimit+0x310/0x610 [ 42.487048] ? __pfx_do_seccomp+0x10/0x10 [ 42.487711] ? do_raw_spin_unlock+0x53/0x220 [ 42.488402] ? _raw_spin_unlock+0x1e/0x40 [ 42.489008] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.489793] ? static_key_count+0x60/0x80 [ 42.490459] prctl_set_seccomp+0x4e/0x70 [ 42.491057] __do_sys_prctl+0xe6c/0x1d70 [ 42.491697] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.492379] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.493117] ? irqentry_exit+0xf3/0x650 [ 42.493732] do_syscall_64+0xbf/0x430 [ 42.494318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.495045] RIP: 0033:0x7f7f2739e5cd [ 42.495626] 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 [ 42.498144] RSP: 002b:00007ffc38a9ba50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.499230] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7f2739e5cd [ 42.500279] RDX: 0000563d13209e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.501299] RBP: 00007ffc38a9bab0 R08: 0000000000000000 R09: 00007ffc38a9b150 [ 42.502320] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563d33749b10 [ 42.503341] R13: 00007ffc38a9bee0 R14: 0000563d3374a2b0 R15: 0000563d3375e6f0 [ 42.504409] [ 42.504745] irq event stamp: 1713 [ 42.505222] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 42.506468] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 42.507697] softirqs last enabled at (1512): [] handle_softirqs+0x50c/0x770 [ 42.508941] softirqs last disabled at (1505): [] __irq_exit_rcu+0xc4/0x100 [ 42.510158] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28608' (ECDSA) to the list of known hosts. 2025/11/18 05:05:36 fuzzer started 2025/11/18 05:05:37 dialing manager at localhost:37895 2025/11/18 05:05:37 checking machine... 2025/11/18 05:05:37 checking revisions... [ 43.430932] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:05:37 testing simple program... [ 43.517698] cgroup: Unknown subsys name 'net' [ 43.578105] cgroup: Unknown subsys name 'cpuset' [ 43.590735] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 05:05:36 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffff8880138dfd80 RDI=ffff88806ce31cd0 RBP=ffff8880138d8000 RSP=ffff88806ce089b0 R8 =0000000000000001 R9 =ffff88806ce08a70 R10=000000000003c9ed R11=000000000004085b R12=ffff88806ce08a01 R13=ffff88806ce08a78 R14=ffff8880138dfd80 R15=ffff88806ce08a30 RIP=ffffffff815bcfa0 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 00007efc71b15900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffef3ee6a68 CR3=000000001f7bb000 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=0000000000022951 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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fef51f17260 CR3=000000000e281000 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=bbafa8e0da894facaf4b6de207c846cb XMM02=0000000000303288eff9b2d0a8fce9cb XMM03=00000000003033582c67c8bc2e329bc3 XMM04=339830c8aec1b6e000000000000ae988 XMM05=f5d5fc786d84c93c0000000000320860 XMM06=090f1556b20111b3000000000031f6c0 XMM07=fb795ef6d6577056000000000030f028 XMM08=2c67c8bc2e329bc300000000003032f8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000