Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.974052] ------------[ cut here ]------------ [ 46.974979] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.977009] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.978474] Modules linked in: [ 46.979071] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.981060] Tainted: [W]=WARN [ 46.981689] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.983176] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.984095] 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 [ 46.987293] RSP: 0018:ffff888013e9fbc0 EFLAGS: 00010286 [ 46.988273] RAX: 0000000000000000 RBX: ffffed10027d3f78 RCX: ffffffff813a4050 [ 46.989601] RDX: ffff88800f391bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.990884] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027d3f2f [ 46.992175] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.993493] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013e9fdf8 [ 46.994783] FS: 00007f8681ae9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.996227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.997299] CR2: 00007ffe6adc2ef8 CR3: 000000000da2f000 CR4: 0000000000350ef0 [ 46.998591] Call Trace: [ 46.999062] [ 46.999526] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.000427] ? __create_object+0x59/0x80 [ 47.001162] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.002161] __vmalloc_noprof+0x59/0x60 [ 47.002937] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.003825] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.004771] bpf_prog_alloc+0x39/0x200 [ 47.005540] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.006472] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.007337] do_seccomp+0x349/0x25e0 [ 47.008072] ? find_held_lock+0x2b/0x80 [ 47.008840] ? do_prlimit+0x310/0x610 [ 47.009613] ? __pfx_do_seccomp+0x10/0x10 [ 47.010401] ? do_raw_spin_unlock+0x53/0x220 [ 47.011182] ? _raw_spin_unlock+0x1e/0x40 [ 47.011969] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.012943] ? static_key_count+0x60/0x80 [ 47.013772] prctl_set_seccomp+0x4e/0x70 [ 47.014557] __do_sys_prctl+0xe6c/0x1d70 [ 47.015301] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.016164] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.017131] ? irqentry_exit+0xf3/0x650 [ 47.017923] do_syscall_64+0xbf/0x430 [ 47.018672] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.019649] RIP: 0033:0x7f8681fdb5cd [ 47.020333] 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 [ 47.023554] RSP: 002b:00007ffe6adc0a20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.024929] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8681fdb5cd [ 47.026232] RDX: 0000559f85d20e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.027528] RBP: 00007ffe6adc0a80 R08: 0000000000000000 R09: 00007ffe6adc0120 [ 47.028849] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559f8cd7f2b0 [ 47.030140] R13: 00007ffe6adc0eb0 R14: 0000559f8cd81d20 R15: 0000559f8cd938d0 [ 47.031453] [ 47.031883] irq event stamp: 1781 [ 47.032536] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 47.034096] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 47.035641] softirqs last enabled at (1750): [] handle_softirqs+0x50c/0x770 [ 47.037217] softirqs last disabled at (1745): [] __irq_exit_rcu+0xc4/0x100 [ 47.038636] ---[ end trace 0000000000000000 ]--- [ 49.707890] ------------[ cut here ]------------ [ 49.708841] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.710869] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 49.712415] Modules linked in: [ 49.713022] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.715058] Tainted: [W]=WARN [ 49.715673] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.717172] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.718101] 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 [ 49.721324] RSP: 0018:ffff888016c37bc0 EFLAGS: 00010286 [ 49.722289] RAX: 0000000000000000 RBX: ffffed1002d86f78 RCX: ffffffff813a4050 [ 49.723586] RDX: ffff8880167b9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.724871] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d86f2f [ 49.726166] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.727456] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c37df8 [ 49.728742] FS: 00007f2c4f41e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.730197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.731263] CR2: 00007fff1242eef8 CR3: 000000000b7c0000 CR4: 0000000000350ef0 [ 49.732566] Call Trace: [ 49.733031] [ 49.733509] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.734424] ? __create_object+0x59/0x80 [ 49.735173] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.736137] __vmalloc_noprof+0x59/0x60 [ 49.736892] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.737796] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.738756] bpf_prog_alloc+0x39/0x200 [ 49.739501] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.740435] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.741304] do_seccomp+0x349/0x25e0 [ 49.742040] ? find_held_lock+0x2b/0x80 [ 49.742799] ? do_prlimit+0x310/0x610 [ 49.743544] ? __pfx_do_seccomp+0x10/0x10 [ 49.744298] ? do_raw_spin_unlock+0x53/0x220 [ 49.745129] ? _raw_spin_unlock+0x1e/0x40 [ 49.745936] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.746917] ? static_key_count+0x60/0x80 [ 49.747730] prctl_set_seccomp+0x4e/0x70 [ 49.748511] __do_sys_prctl+0xe6c/0x1d70 [ 49.749270] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.750138] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.751121] ? irqentry_exit+0xf3/0x650 [ 49.751894] do_syscall_64+0xbf/0x430 [ 49.752631] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.753615] RIP: 0033:0x7f2c4f9105cd [ 49.754286] 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 [ 49.757468] RSP: 002b:00007fff1242cea0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.758827] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2c4f9105cd [ 49.760124] RDX: 00005617c7140e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.761462] RBP: 00007fff1242cf00 R08: 0000000000000000 R09: 00007fff1242c5a0 [ 49.762763] R10: 0000000000000000 R11: 0000000000000246 R12: 00005617cfccc2b0 [ 49.764053] R13: 00007fff1242d330 R14: 00005617cfcced20 R15: 00005617cfce08d0 [ 49.765395] [ 49.765823] irq event stamp: 1741 [ 49.766494] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 49.768044] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 49.769587] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 49.771163] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 49.772700] ---[ end trace 0000000000000000 ]--- [ 50.446143] ------------[ cut here ]------------ [ 50.447059] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.449103] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.452054] Modules linked in: [ 50.452853] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.455012] Tainted: [W]=WARN [ 50.455695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.457227] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.458213] 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 [ 50.461538] RSP: 0018:ffff888016eb7bc0 EFLAGS: 00010286 [ 50.462580] RAX: 0000000000000000 RBX: ffffed1002dd6f78 RCX: ffffffff813a4050 [ 50.463946] RDX: ffff888016d43780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.465310] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd6f2f [ 50.466643] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.467999] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016eb7df8 [ 50.469391] FS: 00007fe5b613d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.470859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.471988] CR2: 00007ffc8faa9ef8 CR3: 000000000b7bb000 CR4: 0000000000350ef0 [ 50.473342] Call Trace: [ 50.473854] [ 50.474295] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.475219] ? __create_object+0x59/0x80 [ 50.476041] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.477044] __vmalloc_noprof+0x59/0x60 [ 50.477848] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.478777] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.479774] bpf_prog_alloc+0x39/0x200 [ 50.480542] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.481476] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.482333] do_seccomp+0x349/0x25e0 [ 50.483057] ? find_held_lock+0x2b/0x80 [ 50.483858] ? do_prlimit+0x310/0x610 [ 50.484604] ? __pfx_do_seccomp+0x10/0x10 [ 50.485401] ? do_raw_spin_unlock+0x53/0x220 [ 50.486177] ? _raw_spin_unlock+0x1e/0x40 [ 50.486949] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.487921] ? static_key_count+0x60/0x80 [ 50.488718] prctl_set_seccomp+0x4e/0x70 [ 50.489506] __do_sys_prctl+0xe6c/0x1d70 [ 50.490235] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.491078] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.492061] ? irqentry_exit+0xf3/0x650 [ 50.492820] do_syscall_64+0xbf/0x430 [ 50.493574] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.494525] RIP: 0033:0x7fe5b662f5cd [ 50.495185] 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 [ 50.498768] RSP: 002b:00007ffc8faa8bd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.500536] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe5b662f5cd [ 50.502111] RDX: 000055753da5fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.503435] RBP: 00007ffc8faa8c30 R08: 0000000000000000 R09: 00007ffc8faa82d0 [ 50.504532] R10: 0000000000000000 R11: 0000000000000246 R12: 000055754e34bad0 [ 50.505637] R13: 00007ffc8faa9060 R14: 000055754e34cbc0 R15: 000055754e35d780 [ 50.506762] [ 50.507119] irq event stamp: 2139 [ 50.507692] hardirqs last enabled at (2149): [] __up_console_sem+0x78/0x80 [ 50.508984] hardirqs last disabled at (2158): [] __up_console_sem+0x5d/0x80 [ 50.510330] softirqs last enabled at (1760): [] handle_softirqs+0x50c/0x770 [ 50.511685] softirqs last disabled at (1755): [] __irq_exit_rcu+0xc4/0x100 [ 50.512961] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:39900' (ECDSA) to the list of known hosts. 2025/11/18 02:37:05 fuzzer started 2025/11/18 02:37:05 dialing manager at localhost:37895 2025/11/18 02:37:05 checking machine... 2025/11/18 02:37:05 checking revisions... [ 51.442313] kmemleak: Automatic memory scanning thread ended 2025/11/18 02:37:05 testing simple program... [ 51.529876] cgroup: Unknown subsys name 'net' [ 51.592046] cgroup: Unknown subsys name 'cpuset' [ 51.606226] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 02:37:04 Registers: info registers vcpu 0 RAX=0000000000042a59 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007faf65164000 CR3=000000000e24f000 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=01a817b615256db423486a5c245244ac XMM02=00000000003034a8eff9b2d0a8fce9cb XMM03=00000000003035782c67c8bc2e329bc3 XMM04=0bfeb873855df2b000000000000ae988 XMM05=07c8bb74b6c04a44000000000031ecb0 XMM06=d74844bf967d85ba000000000031eb38 XMM07=e042d86d42eb936e000000000030f198 XMM08=595e4970a8c639150000000000303578 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88800f1d77a0 RCX=0000000000000001 RDX=ffff88800f1d8001 RSI=ffff88800f1d7790 RDI=ffff88800f1d7708 RBP=ffff88800f1d0000 RSP=ffff88800f1d7630 R8 =0000000000000001 R9 =ffff88800f1d7738 R10=000000000003c9ed R11=000000000000453f R12=ffff88800f1d7701 R13=ffff88800f1d7740 R14=ffff88800f1d7790 R15=ffff88800f1d76f8 RIP=ffffffff84c721b6 RFL=00000202 [-------] 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 00007f2c4f41e900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff12427000 CR3=000000001fe73000 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