Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.890504] ------------[ cut here ]------------ [ 38.891436] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.893500] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.895009] Modules linked in: [ 38.895602] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.897622] Tainted: [W]=WARN [ 38.898232] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.899735] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.900617] 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 [ 38.903840] RSP: 0018:ffff888018837bc0 EFLAGS: 00010286 [ 38.904840] RAX: 0000000000000000 RBX: ffffed1003106f78 RCX: ffffffff813a4050 [ 38.906148] RDX: ffff888013fa9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.907465] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003106f2f [ 38.908759] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.910072] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018837df8 [ 38.911381] FS: 00007f1fdaa29900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.912848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.913927] CR2: 00007ffe585bfef7 CR3: 000000000e4a0000 CR4: 0000000000350ef0 [ 38.915238] Call Trace: [ 38.915751] [ 38.916168] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.917078] ? __create_object+0x59/0x80 [ 38.917870] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.918881] __vmalloc_noprof+0x59/0x60 [ 38.919604] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.920472] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.921420] bpf_prog_alloc+0x39/0x200 [ 38.922180] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.923132] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.924033] do_seccomp+0x349/0x25e0 [ 38.924759] ? find_held_lock+0x2b/0x80 [ 38.925490] ? do_prlimit+0x310/0x610 [ 38.926253] ? __pfx_do_seccomp+0x10/0x10 [ 38.927032] ? do_raw_spin_unlock+0x53/0x220 [ 38.927872] ? _raw_spin_unlock+0x1e/0x40 [ 38.928599] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.929546] ? static_key_count+0x60/0x80 [ 38.930356] prctl_set_seccomp+0x4e/0x70 [ 38.931118] __do_sys_prctl+0xe6c/0x1d70 [ 38.931906] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.932770] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.933700] ? irqentry_exit+0xf3/0x650 [ 38.934490] do_syscall_64+0xbf/0x430 [ 38.935247] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.936206] RIP: 0033:0x7f1fdaf1b5cd [ 38.936913] 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 [ 38.940100] RSP: 002b:00007ffe585be760 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.941462] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1fdaf1b5cd [ 38.942787] RDX: 0000558e611bde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.944084] RBP: 00007ffe585be7c0 R08: 0000000000000000 R09: 00007ffe585bde60 [ 38.945363] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558e81ffead0 [ 38.946700] R13: 00007ffe585bebf0 R14: 0000558e81fffbc0 R15: 0000558e82010780 [ 38.948032] [ 38.948460] irq event stamp: 1743 [ 38.949119] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 38.950663] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 38.952165] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 38.953680] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 38.955235] ---[ end trace 0000000000000000 ]--- [ 41.887248] ------------[ cut here ]------------ [ 41.887843] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.889099] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 41.890050] Modules linked in: [ 41.890426] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.891683] Tainted: [W]=WARN [ 41.892062] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.893003] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.893554] 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 [ 41.895571] RSP: 0018:ffff8880176b7bc0 EFLAGS: 00010286 [ 41.896197] RAX: 0000000000000000 RBX: ffffed1002ed6f78 RCX: ffffffff813a4050 [ 41.897006] RDX: ffff888016300000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.897819] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ed6f2f [ 41.898613] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.899429] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176b7df8 [ 41.900247] FS: 00007fd5c113a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.901167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.901843] CR2: 00007ffd56891ef7 CR3: 000000000be2b000 CR4: 0000000000350ef0 [ 41.902634] Call Trace: [ 41.902967] [ 41.903231] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.903796] ? __create_object+0x59/0x80 [ 41.904270] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.904884] __vmalloc_noprof+0x59/0x60 [ 41.905336] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.905894] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.906466] bpf_prog_alloc+0x39/0x200 [ 41.906937] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.907503] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.908074] do_seccomp+0x349/0x25e0 [ 41.908507] ? find_held_lock+0x2b/0x80 [ 41.908989] ? do_prlimit+0x310/0x610 [ 41.909434] ? __pfx_do_seccomp+0x10/0x10 [ 41.909940] ? do_raw_spin_unlock+0x53/0x220 [ 41.910442] ? _raw_spin_unlock+0x1e/0x40 [ 41.910931] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.911521] ? static_key_count+0x60/0x80 [ 41.912027] prctl_set_seccomp+0x4e/0x70 [ 41.912486] __do_sys_prctl+0xe6c/0x1d70 [ 41.912984] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.913501] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.914122] ? irqentry_exit+0xf3/0x650 [ 41.914582] do_syscall_64+0xbf/0x430 [ 41.915052] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.915632] RIP: 0033:0x7fd5c162c5cd [ 41.916077] 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 [ 41.918108] RSP: 002b:00007ffd56890e80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.918973] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd5c162c5cd [ 41.919792] RDX: 00005629a46a3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.920579] RBP: 00007ffd56890ee0 R08: 0000000000000000 R09: 00007ffd56890580 [ 41.921391] R10: 0000000000000000 R11: 0000000000000246 R12: 00005629cc481ad0 [ 41.922216] R13: 00007ffd56891310 R14: 00005629cc482bc0 R15: 00005629cc493780 [ 41.923036] [ 41.923307] irq event stamp: 1693 [ 41.923694] hardirqs last enabled at (1701): [] __up_console_sem+0x78/0x80 [ 41.924659] hardirqs last disabled at (1710): [] __up_console_sem+0x5d/0x80 [ 41.925629] softirqs last enabled at (1346): [] handle_softirqs+0x50c/0x770 [ 41.926479] softirqs last disabled at (1331): [] __irq_exit_rcu+0xc4/0x100 [ 41.927168] ---[ end trace 0000000000000000 ]--- [ 42.644186] ------------[ cut here ]------------ [ 42.645182] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.647182] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 42.648665] Modules linked in: [ 42.649315] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.651551] Tainted: [W]=WARN [ 42.652481] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.653980] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.654896] 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 [ 42.658124] RSP: 0018:ffff888019bc7bc0 EFLAGS: 00010286 [ 42.659148] RAX: 0000000000000000 RBX: ffffed1003378f78 RCX: ffffffff813a4050 [ 42.660448] RDX: ffff888016cfb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.661751] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003378f2f [ 42.663056] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.664341] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019bc7df8 [ 42.665630] FS: 00007fd54dad0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.667086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.668168] CR2: 00007ffd15077ef7 CR3: 0000000022017000 CR4: 0000000000350ef0 [ 42.669471] Call Trace: [ 42.669999] [ 42.670414] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.671339] ? __create_object+0x59/0x80 [ 42.672121] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.673122] __vmalloc_noprof+0x59/0x60 [ 42.673888] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.674784] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.675672] bpf_prog_alloc+0x39/0x200 [ 42.676416] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.677342] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.678288] do_seccomp+0x349/0x25e0 [ 42.679043] ? find_held_lock+0x2b/0x80 [ 42.679817] ? do_prlimit+0x310/0x610 [ 42.680522] ? __pfx_do_seccomp+0x10/0x10 [ 42.681318] ? do_raw_spin_unlock+0x53/0x220 [ 42.682167] ? _raw_spin_unlock+0x1e/0x40 [ 42.682955] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.683935] ? static_key_count+0x60/0x80 [ 42.684700] prctl_set_seccomp+0x4e/0x70 [ 42.685482] __do_sys_prctl+0xe6c/0x1d70 [ 42.686290] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.687156] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.688154] ? irqentry_exit+0xf3/0x650 [ 42.688937] do_syscall_64+0xbf/0x430 [ 42.689639] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.690614] RIP: 0033:0x7fd54dfc25cd [ 42.691328] 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 [ 42.694540] RSP: 002b:00007ffd150756b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.695919] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd54dfc25cd [ 42.697214] RDX: 00005647cebefe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.698510] RBP: 00007ffd15075710 R08: 0000000000000000 R09: 00007ffd15074db0 [ 42.699839] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564807d93240 [ 42.701125] R13: 00007ffd15075b40 R14: 0000564807d92bf0 R15: 0000564807da74d0 [ 42.702449] [ 42.702929] irq event stamp: 2003 [ 42.703554] hardirqs last enabled at (2011): [] __up_console_sem+0x78/0x80 [ 42.705107] hardirqs last disabled at (2020): [] __up_console_sem+0x5d/0x80 [ 42.706656] softirqs last enabled at (1876): [] handle_softirqs+0x50c/0x770 [ 42.708204] softirqs last disabled at (1871): [] __irq_exit_rcu+0xc4/0x100 [ 42.709741] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:13612' (ECDSA) to the list of known hosts. 2025/11/18 20:17:47 fuzzer started 2025/11/18 20:17:48 dialing manager at localhost:34383 2025/11/18 20:17:48 checking machine... 2025/11/18 20:17:48 checking revisions... [ 43.681677] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:17:48 testing simple program... [ 43.780473] cgroup: Unknown subsys name 'net' [ 43.830306] cgroup: Unknown subsys name 'cpuset' [ 43.848677] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 20:17:47 Registers: info registers vcpu 0 RAX=1ffffffff0d402d2 RBX=0000000000000001 RCX=ffffffff86a01694 RDX=0000000000000000 RSI=dffffc0000000000 RDI=ffffffff86a01696 RBP=ffff888019a57a40 RSP=ffff888019a57928 R8 =ffffffff86a01698 R9 =ffff888019a57a28 R10=000000000003c9ed R11=0000000000006e2e R12=ffff888019a57a48 R13=ffff888019a57a30 R14=ffff888019a579e8 R15=ffff888019a579e8 RIP=ffffffff8135fac9 RFL=00000217 [----APC] 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 00007fd5c113a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd5c10e9008 CR3=000000000e1fa000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000213ab RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe2f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff8e73b1020 CR3=000000000a02d000 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=7d5139c7786b00a4864ebb7b365b5e44 XMM02=2c67c8bc2e329bc30000000000305600 XMM03=fb795ef6d6577056000000000030e6a8 XMM04=051fe8cdf0624fec00000000000ae988 XMM05=184747f11792d632000000000031fae8 XMM06=d74844bf967d85ba000000000031ef10 XMM07=e042d86d42eb936e000000000030e928 XMM08=951a40ada7e6671c0000000000305660 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000