Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.279753] ------------[ cut here ]------------ [ 39.280513] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.282216] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.283434] Modules linked in: [ 39.283986] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.285655] Tainted: [W]=WARN [ 39.286149] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.287380] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.288169] 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 [ 39.290826] RSP: 0018:ffff888015557bc0 EFLAGS: 00010286 [ 39.291627] RAX: 0000000000000000 RBX: ffffed1002aaaf78 RCX: ffffffff813a4050 [ 39.292719] RDX: ffff888019e31bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.293796] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002aaaf2f [ 39.294884] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.295951] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015557df8 [ 39.297029] FS: 00007fd306ad6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.298252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.299157] CR2: 00007fd306fc8580 CR3: 000000000cdae000 CR4: 0000000000350ef0 [ 39.300261] Call Trace: [ 39.300662] [ 39.301040] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.301746] ? __create_object+0x59/0x80 [ 39.302405] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.303207] __vmalloc_noprof+0x59/0x60 [ 39.303834] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.304564] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.305344] bpf_prog_alloc+0x39/0x200 [ 39.305970] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.306709] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.307468] do_seccomp+0x349/0x25e0 [ 39.308095] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.308815] ? __pfx_do_seccomp+0x10/0x10 [ 39.309471] ? find_held_lock+0x2b/0x80 [ 39.310110] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.310913] ? static_key_count+0x60/0x80 [ 39.311563] prctl_set_seccomp+0x4e/0x70 [ 39.312222] __do_sys_prctl+0xe6c/0x1d70 [ 39.312849] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.313564] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.314375] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.315199] ? irqentry_exit+0xf3/0x650 [ 39.315808] do_syscall_64+0xbf/0x430 [ 39.316431] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.317235] RIP: 0033:0x7fd306fc85cd [ 39.317781] 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 [ 39.320458] RSP: 002b:00007ffefb3e2f60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.321604] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd306fc85cd [ 39.322680] RDX: 0000563974ae2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.323772] RBP: 00007ffefb3e2fc0 R08: 0000000000000000 R09: 00007ffefb3e2660 [ 39.324880] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563989fcdad0 [ 39.325965] R13: 00007ffefb3e33f0 R14: 0000563989fcebc0 R15: 0000563989fdf780 [ 39.327052] [ 39.327411] irq event stamp: 1761 [ 39.327971] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 39.329262] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 39.330534] softirqs last enabled at (766): [] handle_softirqs+0x50c/0x770 [ 39.331833] softirqs last disabled at (761): [] __irq_exit_rcu+0xc4/0x100 [ 39.333504] ---[ end trace 0000000000000000 ]--- [ 42.443108] ------------[ cut here ]------------ [ 42.444418] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.446490] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.448177] Modules linked in: [ 42.448817] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.450764] Tainted: [W]=WARN [ 42.451339] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.452969] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.453820] 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 [ 42.456941] RSP: 0018:ffff88800aab7bc0 EFLAGS: 00010286 [ 42.457850] RAX: 0000000000000000 RBX: ffffed1001556f78 RCX: ffffffff813a4050 [ 42.459105] RDX: ffff888016bd0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.460356] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001556f2f [ 42.461598] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.462831] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800aab7df8 [ 42.464104] FS: 00007ff7369ba900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.465501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.466517] CR2: 00007ffd17d63ef7 CR3: 000000000cb61000 CR4: 0000000000350ef0 [ 42.468412] Call Trace: [ 42.469108] [ 42.469510] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.470386] ? __create_object+0x59/0x80 [ 42.471224] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.472176] __vmalloc_noprof+0x59/0x60 [ 42.472897] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.473711] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.474600] bpf_prog_alloc+0x39/0x200 [ 42.475308] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.476219] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.477081] do_seccomp+0x349/0x25e0 [ 42.477737] ? find_held_lock+0x2b/0x80 [ 42.478471] ? do_prlimit+0x310/0x610 [ 42.479191] ? __pfx_do_seccomp+0x10/0x10 [ 42.480041] ? do_raw_spin_unlock+0x53/0x220 [ 42.480819] ? _raw_spin_unlock+0x1e/0x40 [ 42.481571] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.482497] ? static_key_count+0x60/0x80 [ 42.483259] prctl_set_seccomp+0x4e/0x70 [ 42.484014] __do_sys_prctl+0xe6c/0x1d70 [ 42.484749] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.485589] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.486535] ? irqentry_exit+0xf3/0x650 [ 42.487291] do_syscall_64+0xbf/0x430 [ 42.488018] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.488812] RIP: 0033:0x7ff736eac5cd [ 42.489377] 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 [ 42.492255] RSP: 002b:00007ffd17d62be0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.493351] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff736eac5cd [ 42.494370] RDX: 0000559a14491e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.495388] RBP: 00007ffd17d62c40 R08: 0000000000000000 R09: 00007ffd17d622e0 [ 42.496421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559a18588240 [ 42.497445] R13: 00007ffd17d63070 R14: 0000559a18591380 R15: 0000559a1859c540 [ 42.498479] [ 42.498817] irq event stamp: 1993 [ 42.499338] hardirqs last enabled at (2003): [] __up_console_sem+0x78/0x80 [ 42.500578] hardirqs last disabled at (2012): [] __up_console_sem+0x5d/0x80 [ 42.502096] softirqs last enabled at (1646): [] handle_softirqs+0x50c/0x770 [ 42.503331] softirqs last disabled at (1551): [] __irq_exit_rcu+0xc4/0x100 [ 42.504657] ---[ end trace 0000000000000000 ]--- [ 43.318899] ------------[ cut here ]------------ [ 43.319608] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.321266] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 43.322410] Modules linked in: [ 43.322928] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.324566] Tainted: [W]=WARN [ 43.325054] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.326258] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.327001] 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 [ 43.329649] RSP: 0018:ffff8880098a7bc0 EFLAGS: 00010286 [ 43.330460] RAX: 0000000000000000 RBX: ffffed1001314f78 RCX: ffffffff813a4050 [ 43.331520] RDX: ffff88800f9b3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.332578] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001314f2f [ 43.333633] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.334693] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880098a7df8 [ 43.335761] FS: 00007f3072aca900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.336959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.337799] CR2: 00007ffd8bf1bef7 CR3: 000000001f7e7000 CR4: 0000000000350ef0 [ 43.338876] Call Trace: [ 43.339263] [ 43.339599] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.340345] ? _raw_spin_unlock_irqrestore+0x2c/0x50 [ 43.341125] ? _raw_spin_unlock_irqrestore+0x34/0x50 [ 43.341896] __vmalloc_noprof+0x59/0x60 [ 43.342490] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.343202] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.344001] bpf_prog_alloc+0x39/0x200 [ 43.344579] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.345356] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.346105] do_seccomp+0x349/0x25e0 [ 43.346664] ? find_held_lock+0x2b/0x80 [ 43.347283] ? do_prlimit+0x310/0x610 [ 43.347910] ? __pfx_do_seccomp+0x10/0x10 [ 43.348526] ? do_raw_spin_unlock+0x53/0x220 [ 43.349201] ? _raw_spin_unlock+0x1e/0x40 [ 43.349808] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.350602] ? static_key_count+0x60/0x80 [ 43.351254] prctl_set_seccomp+0x4e/0x70 [ 43.351895] __do_sys_prctl+0xe6c/0x1d70 [ 43.352510] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.353211] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.354006] ? irqentry_exit+0xf3/0x650 [ 43.354602] do_syscall_64+0xbf/0x430 [ 43.355203] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.355985] RIP: 0033:0x7f3072fbc5cd [ 43.356530] 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 [ 43.359138] RSP: 002b:00007ffd8bf1a840 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.360265] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3072fbc5cd [ 43.361325] RDX: 0000556a29d4de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.362373] RBP: 00007ffd8bf1a8a0 R08: 0000000000000000 R09: 00007ffd8bf19f40 [ 43.363418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556a4db0ead0 [ 43.364487] R13: 00007ffd8bf1acd0 R14: 0000556a4db0fbc0 R15: 0000556a4db20780 [ 43.365558] [ 43.365935] irq event stamp: 3109 [ 43.366439] hardirqs last enabled at (3117): [] __up_console_sem+0x78/0x80 [ 43.367697] hardirqs last disabled at (3126): [] __up_console_sem+0x5d/0x80 [ 43.368969] softirqs last enabled at (2862): [] handle_softirqs+0x50c/0x770 [ 43.370231] softirqs last disabled at (2857): [] __irq_exit_rcu+0xc4/0x100 [ 43.371481] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:43397' (ECDSA) to the list of known hosts. 2025/11/17 15:49:24 fuzzer started 2025/11/17 15:49:25 dialing manager at localhost:37895 2025/11/17 15:49:25 checking machine... 2025/11/17 15:49:25 checking revisions... [ 44.276298] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:49:25 testing simple program... [ 44.359788] cgroup: Unknown subsys name 'net' [ 44.418621] cgroup: Unknown subsys name 'cpuset' [ 44.433587] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:49:24 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=00007fbdd71bdc64 RCX=4b952e4da9267483 RDX=0000000000000000 RSI=ffffffff8160e082 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff8880147d7588 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffffffff8160e082 R13=0000000000000000 R14=ffff88800faf9bc0 R15=0000000000000dc0 RIP=ffffffff815bcf75 RFL=00000247 [---Z-PC] 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 00007fbdd6904900 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=00007fbdd601d000 CR3=000000000d91f000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=8bb1e0246f1dad6000000000000ae988 XMM05=3aeb7b39dd8c6aab0000000000322dd8 XMM06=07c8bb74b6c04a440000000000321c70 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001fbd9 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f44b5552000 CR3=000000000e0f5000 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=2034323a39343a353120373120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033323a39343a3531203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000