Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.026921] ------------[ cut here ]------------ [ 39.027831] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.029846] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.031289] Modules linked in: [ 39.031918] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.033888] Tainted: [W]=WARN [ 39.034485] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.035976] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.036913] 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 [ 39.040072] RSP: 0018:ffff888019d2fbc0 EFLAGS: 00010286 [ 39.041065] RAX: 0000000000000000 RBX: ffffed10033a5f78 RCX: ffffffff813a4050 [ 39.042356] RDX: ffff888016fc9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.043642] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033a5f2f [ 39.044932] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.046227] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019d2fdf8 [ 39.047516] FS: 00007fae7ce08900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.048957] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.050025] CR2: 00007fff4929def7 CR3: 000000000aa4a000 CR4: 0000000000350ef0 [ 39.051333] Call Trace: [ 39.051838] [ 39.052255] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.053164] ? __create_object+0x59/0x80 [ 39.053936] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.054918] __vmalloc_noprof+0x59/0x60 [ 39.055687] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.056552] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.057496] bpf_prog_alloc+0x39/0x200 [ 39.058196] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.059143] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.060066] do_seccomp+0x349/0x25e0 [ 39.060790] ? find_held_lock+0x2b/0x80 [ 39.061546] ? do_prlimit+0x310/0x610 [ 39.062251] ? __pfx_do_seccomp+0x10/0x10 [ 39.063045] ? do_raw_spin_unlock+0x53/0x220 [ 39.063876] ? _raw_spin_unlock+0x1e/0x40 [ 39.064665] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.065638] ? static_key_count+0x60/0x80 [ 39.066399] prctl_set_seccomp+0x4e/0x70 [ 39.067175] __do_sys_prctl+0xe6c/0x1d70 [ 39.067960] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.068805] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.069763] ? irqentry_exit+0xf3/0x650 [ 39.070527] do_syscall_64+0xbf/0x430 [ 39.071241] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.072192] RIP: 0033:0x7fae7d2fa5cd [ 39.072885] 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 [ 39.076053] RSP: 002b:00007fff4929bc10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.077425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fae7d2fa5cd [ 39.078723] RDX: 00005587a2db4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.080018] RBP: 00007fff4929bc70 R08: 0000000000000000 R09: 00007fff4929b310 [ 39.081299] R10: 0000000000000000 R11: 0000000000000246 R12: 00005587b9e7c240 [ 39.082575] R13: 00007fff4929c0a0 R14: 00005587b9e85380 R15: 00005587b9e90540 [ 39.083878] [ 39.084314] irq event stamp: 1689 [ 39.084956] hardirqs last enabled at (1699): [] __up_console_sem+0x78/0x80 [ 39.086470] hardirqs last disabled at (1708): [] __up_console_sem+0x5d/0x80 [ 39.088007] softirqs last enabled at (1234): [] handle_softirqs+0x50c/0x770 [ 39.089559] softirqs last disabled at (1229): [] __irq_exit_rcu+0xc4/0x100 [ 39.091074] ---[ end trace 0000000000000000 ]--- [ 42.007314] ------------[ cut here ]------------ [ 42.008303] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.010257] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.011665] Modules linked in: [ 42.012425] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.014552] Tainted: [W]=WARN [ 42.015058] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.016316] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.017093] 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 [ 42.019834] RSP: 0018:ffff88801c5ffbc0 EFLAGS: 00010286 [ 42.020670] RAX: 0000000000000000 RBX: ffffed10038bff78 RCX: ffffffff813a4050 [ 42.021766] RDX: ffff88800f23d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.022855] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10038bff2f [ 42.023972] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.025066] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c5ffdf8 [ 42.026161] FS: 00007f8947625900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.027398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.028314] CR2: 00007f8947b17580 CR3: 000000001cb16000 CR4: 0000000000350ef0 [ 42.029413] Call Trace: [ 42.029853] [ 42.030206] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.030982] ? __create_object+0x59/0x80 [ 42.031664] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.032503] __vmalloc_noprof+0x59/0x60 [ 42.033113] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.033858] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.034654] bpf_prog_alloc+0x39/0x200 [ 42.035249] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.036032] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.036798] do_seccomp+0x349/0x25e0 [ 42.037365] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.038145] ? __pfx_do_seccomp+0x10/0x10 [ 42.038862] ? find_held_lock+0x2b/0x80 [ 42.039532] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.040315] ? static_key_count+0x60/0x80 [ 42.041008] prctl_set_seccomp+0x4e/0x70 [ 42.041666] __do_sys_prctl+0xe6c/0x1d70 [ 42.042285] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.043049] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.043885] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.044712] ? irqentry_exit+0xf3/0x650 [ 42.045327] do_syscall_64+0xbf/0x430 [ 42.045964] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.046793] RIP: 0033:0x7f8947b175cd [ 42.047384] 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 [ 42.050132] RSP: 002b:00007ffc60996b60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.051333] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8947b175cd [ 42.052460] RDX: 00005600d2164e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.053560] RBP: 00007ffc60996bc0 R08: 0000000000000000 R09: 00007ffc60996260 [ 42.054683] R10: 0000000000000000 R11: 0000000000000246 R12: 00005600e2ef2ad0 [ 42.055796] R13: 00007ffc60996ff0 R14: 00005600e2ef3bc0 R15: 00005600e2f04780 [ 42.056918] [ 42.057288] irq event stamp: 1781 [ 42.057843] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 42.059172] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 42.060507] softirqs last enabled at (1824): [] handle_softirqs+0x50c/0x770 [ 42.061852] softirqs last disabled at (1809): [] __irq_exit_rcu+0xc4/0x100 [ 42.063186] ---[ end trace 0000000000000000 ]--- [ 42.886105] ------------[ cut here ]------------ [ 42.887158] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.889291] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.890835] Modules linked in: [ 42.891594] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.893737] Tainted: [W]=WARN [ 42.894330] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.895930] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.896902] 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 [ 42.900282] RSP: 0018:ffff88801709fbc0 EFLAGS: 00010286 [ 42.901317] RAX: 0000000000000000 RBX: ffffed1002e13f78 RCX: ffffffff813a4050 [ 42.902658] RDX: ffff8880170d8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.904016] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e13f2f [ 42.905360] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.906695] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801709fdf8 [ 42.908060] FS: 00007f0a54b37900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.909547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.910646] CR2: 00007ffd374bbef7 CR3: 000000000dd88000 CR4: 0000000000350ef0 [ 42.911983] Call Trace: [ 42.912497] [ 42.912924] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.913862] ? __create_object+0x59/0x80 [ 42.914687] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.915719] __vmalloc_noprof+0x59/0x60 [ 42.916515] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.917382] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.918358] bpf_prog_alloc+0x39/0x200 [ 42.919143] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.920131] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.921083] do_seccomp+0x349/0x25e0 [ 42.921839] ? find_held_lock+0x2b/0x80 [ 42.922640] ? do_prlimit+0x310/0x610 [ 42.923385] ? __pfx_do_seccomp+0x10/0x10 [ 42.924203] ? do_raw_spin_unlock+0x53/0x220 [ 42.925073] ? _raw_spin_unlock+0x1e/0x40 [ 42.925873] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.926874] ? static_key_count+0x60/0x80 [ 42.927720] prctl_set_seccomp+0x4e/0x70 [ 42.928532] __do_sys_prctl+0xe6c/0x1d70 [ 42.929300] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.930202] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.931217] ? irqentry_exit+0xf3/0x650 [ 42.932022] do_syscall_64+0xbf/0x430 [ 42.932792] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.933776] RIP: 0033:0x7f0a550295cd [ 42.934510] 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 [ 42.937805] RSP: 002b:00007ffd374bae50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.939215] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0a550295cd [ 42.940531] RDX: 0000559d70c9be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.941836] RBP: 00007ffd374baeb0 R08: 0000000000000000 R09: 00007ffd374ba550 [ 42.943151] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559d77277240 [ 42.944467] R13: 00007ffd374bb2e0 R14: 0000559d77280380 R15: 0000559d7728b540 [ 42.945798] [ 42.946238] irq event stamp: 1719 [ 42.946903] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 42.948479] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 42.950013] softirqs last enabled at (1668): [] handle_softirqs+0x50c/0x770 [ 42.951588] softirqs last disabled at (1663): [] __irq_exit_rcu+0xc4/0x100 [ 42.952966] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:27448' (ECDSA) to the list of known hosts. 2025/11/18 21:06:33 fuzzer started 2025/11/18 21:06:34 dialing manager at localhost:34383 2025/11/18 21:06:34 checking machine... 2025/11/18 21:06:34 checking revisions... [ 43.869814] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:06:34 testing simple program... [ 43.945510] cgroup: Unknown subsys name 'net' [ 44.000349] cgroup: Unknown subsys name 'cpuset' [ 44.013197] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:06:33 Registers: info registers vcpu 0 RAX=000000000003fd79 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005600e2f17768 CR3=000000000eb36000 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=87406e6b9a2e99a02b4c5f48846d1b33 XMM02=0000000000303a90eff9b2d0a8fce9cb XMM03=0000000000303b602c67c8bc2e329bc3 XMM04=18abe289c751833100000000000ae988 XMM05=f943bd9b1bdb4d0c0000000000321ba0 XMM06=14648eaa1277bab10000000000320a38 XMM07=fb795ef6d657705600000000003108f0 XMM08=2c67c8bc2e329bc30000000000303b00 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=fffffffffb391cb5 RBX=ffffffff8671f8e0 RCX=ffffffff81ab1782 RDX=0000000000000000 RSI=ffffffff86aaee66 RDI=ffffffff8671f8e0 RBP=ffffffff8671f8e0 RSP=ffff888016aff5b0 R8 =ffffffff86aaee66 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000023cd1 R12=ffffffff8671f8e4 R13=ffffffff8671f8e0 R14=ffffffff8671f8e0 R15=dffffc0000000000 RIP=ffffffff8135dac3 RFL=00000246 [---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 00007f8947625900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc60990000 CR3=000000001ca6a000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000