Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.848079] ------------[ cut here ]------------ [ 38.849102] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.851414] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.853033] Modules linked in: [ 38.853772] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.855947] Tainted: [W]=WARN [ 38.856616] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.858225] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.859240] 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 [ 38.862742] RSP: 0018:ffff88800e7cfbc0 EFLAGS: 00010286 [ 38.863813] RAX: 0000000000000000 RBX: ffffed1001cf9f78 RCX: ffffffff813a4050 [ 38.865236] RDX: ffff888018c65340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.866645] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001cf9f2f [ 38.868045] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.869475] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e7cfdf8 [ 38.870889] FS: 00007fb2b478b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.872483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.873655] CR2: 00007ffc89e96ef8 CR3: 000000000cc2c000 CR4: 0000000000350ef0 [ 38.875058] Call Trace: [ 38.875603] [ 38.876052] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.877039] ? __create_object+0x59/0x80 [ 38.877900] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.878971] __vmalloc_noprof+0x59/0x60 [ 38.879813] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.880778] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.881798] bpf_prog_alloc+0x39/0x200 [ 38.882613] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.883633] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.884628] do_seccomp+0x349/0x25e0 [ 38.885419] ? find_held_lock+0x2b/0x80 [ 38.886258] ? do_prlimit+0x310/0x610 [ 38.887021] ? __pfx_do_seccomp+0x10/0x10 [ 38.887872] ? do_raw_spin_unlock+0x53/0x220 [ 38.888786] ? _raw_spin_unlock+0x1e/0x40 [ 38.889655] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.890713] ? static_key_count+0x60/0x80 [ 38.891572] prctl_set_seccomp+0x4e/0x70 [ 38.892414] __do_sys_prctl+0xe6c/0x1d70 [ 38.893255] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.894191] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.895258] ? irqentry_exit+0xf3/0x650 [ 38.896035] do_syscall_64+0xbf/0x430 [ 38.896859] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.897888] RIP: 0033:0x7fb2b4c7d5cd [ 38.898656] 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 [ 38.902141] RSP: 002b:00007ffc89e95a90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.903606] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb2b4c7d5cd [ 38.905026] RDX: 00005633bdb77e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.906452] RBP: 00007ffc89e95af0 R08: 0000000000000000 R09: 00007ffc89e95190 [ 38.907836] R10: 0000000000000000 R11: 0000000000000246 R12: 00005633d61dcad0 [ 38.909234] R13: 00007ffc89e95f20 R14: 00005633d61ddbc0 R15: 00005633d61ee780 [ 38.910631] [ 38.911098] irq event stamp: 1777 [ 38.911788] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 38.913386] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 38.914804] softirqs last enabled at (1592): [] handle_softirqs+0x50c/0x770 [ 38.916204] softirqs last disabled at (1587): [] __irq_exit_rcu+0xc4/0x100 [ 38.917610] ---[ end trace 0000000000000000 ]--- [ 42.107598] ------------[ cut here ]------------ [ 42.108446] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.110300] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.111705] Modules linked in: [ 42.112277] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.114062] Tainted: [W]=WARN [ 42.114594] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.115904] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.116733] 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 [ 42.119587] RSP: 0018:ffff888014597bc0 EFLAGS: 00010286 [ 42.120480] RAX: 0000000000000000 RBX: ffffed10028b2f78 RCX: ffffffff813a4050 [ 42.121627] RDX: ffff888018c60000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.122773] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10028b2f2f [ 42.123919] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.125080] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014597df8 [ 42.126235] FS: 00007f1b6ed89900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.127538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.128499] CR2: 00007fffc877eef8 CR3: 0000000020927000 CR4: 0000000000350ef0 [ 42.129658] Call Trace: [ 42.130075] [ 42.130483] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.131295] ? __create_object+0x59/0x80 [ 42.131956] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.132842] __vmalloc_noprof+0x59/0x60 [ 42.133523] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.134310] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.135155] bpf_prog_alloc+0x39/0x200 [ 42.135779] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.136642] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.137459] do_seccomp+0x349/0x25e0 [ 42.138070] ? find_held_lock+0x2b/0x80 [ 42.138754] ? do_prlimit+0x310/0x610 [ 42.139409] ? __pfx_do_seccomp+0x10/0x10 [ 42.140081] ? do_raw_spin_unlock+0x53/0x220 [ 42.140837] ? _raw_spin_unlock+0x1e/0x40 [ 42.141540] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.142410] ? static_key_count+0x60/0x80 [ 42.143101] prctl_set_seccomp+0x4e/0x70 [ 42.143816] __do_sys_prctl+0xe6c/0x1d70 [ 42.144525] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.145297] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.146176] ? irqentry_exit+0xf3/0x650 [ 42.146827] do_syscall_64+0xbf/0x430 [ 42.147498] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.148347] RIP: 0033:0x7f1b6f27b5cd [ 42.148956] 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 [ 42.151820] RSP: 002b:00007fffc877d340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.153068] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1b6f27b5cd [ 42.154238] RDX: 0000565480a56e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.155387] RBP: 00007fffc877d3a0 R08: 0000000000000000 R09: 00007fffc877ca40 [ 42.156548] R10: 0000000000000000 R11: 0000000000000246 R12: 000056548e90d240 [ 42.157707] R13: 00007fffc877d7d0 R14: 000056548e916380 R15: 000056548e921540 [ 42.158873] [ 42.159277] irq event stamp: 1759 [ 42.159830] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 42.161227] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 42.162607] softirqs last enabled at (1254): [] handle_softirqs+0x50c/0x770 [ 42.163987] softirqs last disabled at (1225): [] __irq_exit_rcu+0xc4/0x100 [ 42.165378] ---[ end trace 0000000000000000 ]--- [ 43.044786] ------------[ cut here ]------------ [ 43.045717] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.047710] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.049208] Modules linked in: [ 43.049795] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.051737] Tainted: [W]=WARN [ 43.052329] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.053774] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.054690] 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 [ 43.057806] RSP: 0018:ffff88800f3c7bc0 EFLAGS: 00010286 [ 43.058765] RAX: 0000000000000000 RBX: ffffed1001e78f78 RCX: ffffffff813a4050 [ 43.060022] RDX: ffff88800f0c3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.061296] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e78f2f [ 43.062555] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.063816] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f3c7df8 [ 43.065097] FS: 00007ff3d6712900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.066536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.067589] CR2: 00007ff3d6c04580 CR3: 000000000d6d9000 CR4: 0000000000350ef0 [ 43.068859] Call Trace: [ 43.069378] [ 43.069786] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.070666] ? __create_object+0x59/0x80 [ 43.071445] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.072397] __vmalloc_noprof+0x59/0x60 [ 43.073172] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.073995] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.074936] bpf_prog_alloc+0x39/0x200 [ 43.075669] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.076608] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.077529] do_seccomp+0x349/0x25e0 [ 43.078248] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.079165] ? __pfx_do_seccomp+0x10/0x10 [ 43.079933] ? find_held_lock+0x2b/0x80 [ 43.080710] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.081682] ? static_key_count+0x60/0x80 [ 43.082491] prctl_set_seccomp+0x4e/0x70 [ 43.083279] __do_sys_prctl+0xe6c/0x1d70 [ 43.084021] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.084901] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.085886] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.086850] ? irqentry_exit+0xf3/0x650 [ 43.087628] do_syscall_64+0xbf/0x430 [ 43.088370] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.089356] RIP: 0033:0x7ff3d6c045cd [ 43.090025] 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 [ 43.093215] RSP: 002b:00007ffff8b90220 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.094582] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3d6c045cd [ 43.095882] RDX: 000055bb96069e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.097211] RBP: 00007ffff8b90280 R08: 0000000000000000 R09: 00007ffff8b8f920 [ 43.098512] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bbaa5702b0 [ 43.099820] R13: 00007ffff8b906b0 R14: 000055bbaa572d20 R15: 000055bbaa5848d0 [ 43.101150] [ 43.101578] irq event stamp: 1737 [ 43.102232] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 43.103765] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 43.105313] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 43.106866] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 43.108514] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:7655' (ECDSA) to the list of known hosts. 2025/11/17 20:09:36 fuzzer started 2025/11/17 20:09:37 dialing manager at localhost:37895 2025/11/17 20:09:37 checking machine... 2025/11/17 20:09:37 checking revisions... [ 44.043179] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:09:37 testing simple program... [ 44.134258] cgroup: Unknown subsys name 'net' [ 44.213035] cgroup: Unknown subsys name 'cpuset' [ 44.227854] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 20:09:36 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=dfb8078e475e76a4 RDX=0000000000000000 RSI=000000008301a466 RDI=ffff88806ce31cd0 RBP=ffff88806ce08aa8 RSP=ffff88806ce089d0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff88806ce08a98 R14=ffff88800f87b780 R15=ffff88806ce08a50 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 00007f3ace4ac700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1b6f340618 CR3=000000000e5f5000 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=2036333a39303a303220373120766f4e XMM01=657463656e6e6f63736944203a5d3134 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3134325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035333a39303a3032203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffffffff85e2d2d8 RCX=ffffffff8152d723 RDX=0000000000000001 RSI=0000000000000004 RDI=ffff888009637bb0 RBP=1ffff110012c6f72 RSP=ffff888009637b88 R8 =0000000000000001 R9 =ffffed10012c6f76 R10=0000000000000003 R11=0000000000000001 R12=ffffffff85e2d2e0 R13=ffffffff85e2d2e8 R14=ffff888009613780 R15=ffff888009613780 RIP=ffffffff8152d734 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd8cadfe698 CR3=000000000e5f5000 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=2036333a39303a303220373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035333a39303a3032203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000