Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.333244] ------------[ cut here ]------------ [ 39.334192] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.336259] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.337694] Modules linked in: [ 39.338283] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.340272] Tainted: [W]=WARN [ 39.340883] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.342352] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.343268] 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 [ 39.346675] RSP: 0018:ffff88801a067bc0 EFLAGS: 00010286 [ 39.347725] RAX: 0000000000000000 RBX: ffffed100340cf78 RCX: ffffffff813a4050 [ 39.349014] RDX: ffff88801a103780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.350300] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100340cf2f [ 39.351576] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.352856] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a067df8 [ 39.354125] FS: 00007fbd423a8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.355591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.356648] CR2: 00007ffe25728ef7 CR3: 000000000de56000 CR4: 0000000000350ef0 [ 39.357923] Call Trace: [ 39.358382] [ 39.358836] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.359741] ? __create_object+0x59/0x80 [ 39.360522] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.361489] __vmalloc_noprof+0x59/0x60 [ 39.362193] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.363079] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.364016] bpf_prog_alloc+0x39/0x200 [ 39.364762] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.365689] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.366585] do_seccomp+0x349/0x25e0 [ 39.367263] ? find_held_lock+0x2b/0x80 [ 39.368008] ? do_prlimit+0x310/0x610 [ 39.368750] ? __pfx_do_seccomp+0x10/0x10 [ 39.369522] ? do_raw_spin_unlock+0x53/0x220 [ 39.370307] ? _raw_spin_unlock+0x1e/0x40 [ 39.371109] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.372070] ? static_key_count+0x60/0x80 [ 39.372865] prctl_set_seccomp+0x4e/0x70 [ 39.373641] __do_sys_prctl+0xe6c/0x1d70 [ 39.374374] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.375246] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.376216] ? irqentry_exit+0xf3/0x650 [ 39.376986] do_syscall_64+0xbf/0x430 [ 39.377731] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.378672] RIP: 0033:0x7fbd4289a5cd [ 39.379345] 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 [ 39.382488] RSP: 002b:00007ffe25726e20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.383859] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbd4289a5cd [ 39.385140] RDX: 000055e53264fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.386451] RBP: 00007ffe25726e80 R08: 0000000000000000 R09: 00007ffe25726520 [ 39.387763] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e53a691ad0 [ 39.389051] R13: 00007ffe257272b0 R14: 000055e53a692bc0 R15: 000055e53a6a3780 [ 39.390344] [ 39.390797] irq event stamp: 1891 [ 39.391455] hardirqs last enabled at (1901): [] __up_console_sem+0x78/0x80 [ 39.392967] hardirqs last disabled at (1910): [] __up_console_sem+0x5d/0x80 [ 39.394491] softirqs last enabled at (1464): [] handle_softirqs+0x50c/0x770 [ 39.396028] softirqs last disabled at (1443): [] __irq_exit_rcu+0xc4/0x100 [ 39.397535] ---[ end trace 0000000000000000 ]--- [ 42.692820] ------------[ cut here ]------------ [ 42.693775] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.695816] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.697323] Modules linked in: [ 42.697985] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.700002] Tainted: [W]=WARN [ 42.700601] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.702068] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.703010] 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 [ 42.706152] RSP: 0018:ffff88800d38fbc0 EFLAGS: 00010286 [ 42.707165] RAX: 0000000000000000 RBX: ffffed1001a71f78 RCX: ffffffff813a4050 [ 42.708447] RDX: ffff888015fe1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.709729] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001a71f2f [ 42.711012] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.712318] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d38fdf8 [ 42.713606] FS: 00007f8357b81900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.715063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.716119] CR2: 00007f8358073580 CR3: 000000001e371000 CR4: 0000000000350ef0 [ 42.717416] Call Trace: [ 42.717886] [ 42.718305] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.719225] ? __create_object+0x59/0x80 [ 42.719989] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.720978] __vmalloc_noprof+0x59/0x60 [ 42.721747] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.722612] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.723569] bpf_prog_alloc+0x39/0x200 [ 42.724267] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.725191] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.726091] do_seccomp+0x349/0x25e0 [ 42.726816] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.727734] ? __pfx_do_seccomp+0x10/0x10 [ 42.728513] ? find_held_lock+0x2b/0x80 [ 42.729216] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.730193] ? static_key_count+0x60/0x80 [ 42.730980] prctl_set_seccomp+0x4e/0x70 [ 42.731764] __do_sys_prctl+0xe6c/0x1d70 [ 42.732545] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.733348] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.734325] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.735303] ? irqentry_exit+0xf3/0x650 [ 42.736067] do_syscall_64+0xbf/0x430 [ 42.736819] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.737775] RIP: 0033:0x7f83580735cd [ 42.738485] 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 [ 42.741663] RSP: 002b:00007ffe892c1e80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.743020] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f83580735cd [ 42.744340] RDX: 0000555d68202e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.745617] RBP: 00007ffe892c1ee0 R08: 0000000000000000 R09: 00007ffe892c1580 [ 42.746882] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555d78e33b10 [ 42.748178] R13: 00007ffe892c2310 R14: 0000555d78e342b0 R15: 0000555d78e486f0 [ 42.749479] [ 42.749896] irq event stamp: 1747 [ 42.750548] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 42.752112] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 42.753627] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 42.755180] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 42.756706] ---[ end trace 0000000000000000 ]--- [ 43.570924] ------------[ cut here ]------------ [ 43.571712] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.573425] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.574620] Modules linked in: [ 43.575120] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.576795] Tainted: [W]=WARN [ 43.577253] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.578607] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.579593] 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 [ 43.582782] RSP: 0018:ffff88801876fbc0 EFLAGS: 00010286 [ 43.583647] RAX: 0000000000000000 RBX: ffffed10030edf78 RCX: ffffffff813a4050 [ 43.584764] RDX: ffff888018715340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.585860] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030edf2f [ 43.586970] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.588080] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801876fdf8 [ 43.589180] FS: 00007f65d5ef2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.590432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.591333] CR2: 00007f65d63e4580 CR3: 000000000d773000 CR4: 0000000000350ef0 [ 43.592443] Call Trace: [ 43.592829] [ 43.593189] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.593954] ? __create_object+0x59/0x80 [ 43.595181] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.596038] __vmalloc_noprof+0x59/0x60 [ 43.596677] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.597381] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.598183] bpf_prog_alloc+0x39/0x200 [ 43.598820] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.599637] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.600441] do_seccomp+0x349/0x25e0 [ 43.601024] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.601787] ? __pfx_do_seccomp+0x10/0x10 [ 43.602476] ? find_held_lock+0x2b/0x80 [ 43.603155] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.603995] ? static_key_count+0x60/0x80 [ 43.604678] prctl_set_seccomp+0x4e/0x70 [ 43.605305] __do_sys_prctl+0xe6c/0x1d70 [ 43.605988] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.606698] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.607538] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.608331] ? irqentry_exit+0xf3/0x650 [ 43.609001] do_syscall_64+0xbf/0x430 [ 43.609627] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.610465] RIP: 0033:0x7f65d63e45cd [ 43.611062] 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 [ 43.613790] RSP: 002b:00007fffb9f4d0c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.614977] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f65d63e45cd [ 43.616096] RDX: 000055e0cba94e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.617218] RBP: 00007fffb9f4d120 R08: 0000000000000000 R09: 00007fffb9f4c7c0 [ 43.618323] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0d1fd4ad0 [ 43.619435] R13: 00007fffb9f4d550 R14: 000055e0d1fd5bc0 R15: 000055e0d1fe6780 [ 43.620564] [ 43.620944] irq event stamp: 1735 [ 43.621501] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 43.622797] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 43.624127] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 43.625452] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 43.626769] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:64991' (ECDSA) to the list of known hosts. 2025/11/18 05:33:31 fuzzer started 2025/11/18 05:33:31 dialing manager at localhost:37895 2025/11/18 05:33:31 checking machine... 2025/11/18 05:33:31 checking revisions... [ 44.555123] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:33:31 testing simple program... [ 44.645077] cgroup: Unknown subsys name 'net' [ 44.709234] cgroup: Unknown subsys name 'cpuset' [ 44.724540] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 05:33:30 Registers: info registers vcpu 0 RAX=ffffffff869f1f79 RBX=0000000000000002 RCX=ffffffff869f1f76 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff869f1f78 RBP=ffff88806ce08ac8 RSP=ffff88806ce089b0 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=000000000000453f R12=ffff88806ce08ad0 R13=ffff88806ce08ab8 R14=ffff88806ce08b18 R15=ffff88806ce08a70 RIP=ffffffff8135fae7 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 00007f9304810900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9303f28000 CR3=000000000d9cc000 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=a6c89652c2db34aa9640e202e567c16c XMM02=ec2efd57dc4c00df0000000000303760 XMM03=975fe122144d8a150000000000303830 XMM04=56d4b751b0c51dc200000000000ae988 XMM05=28baafa6b9a32bf10000000000321f18 XMM06=29145efc4ac96d8e0000000000320550 XMM07=fb795ef6d65770560000000000310bb8 XMM08=2c67c8bc2e329bc300000000003037d0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000027 RCX=ffffffff83d6e9d3 RDX=ffff888015fe3780 RSI=ffffffff83d6e959 RDI=0000000000000005 RBP=0000000000000028 RSP=ffff8880141af670 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000001 R13=ffffffff8899f618 R14=0000000000000000 R15=0000000000000006 RIP=ffffffff81751c78 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 00007f8357b81900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe892bc000 CR3=000000001e2d2000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000