Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.079434] ------------[ cut here ]------------ [ 39.080382] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.082486] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.083994] Modules linked in: [ 39.084692] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.086760] Tainted: [W]=WARN [ 39.087369] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.088895] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.089845] 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 [ 39.093109] RSP: 0018:ffff88801996fbc0 EFLAGS: 00010286 [ 39.094106] RAX: 0000000000000000 RBX: ffffed100332df78 RCX: ffffffff813a4050 [ 39.095430] RDX: ffff888016d51bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.096751] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100332df2f [ 39.098059] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.099377] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801996fdf8 [ 39.100693] FS: 00007fe20b0be900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.102167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.103281] CR2: 00007ffd88106ef8 CR3: 000000000d94e000 CR4: 0000000000350ef0 [ 39.104606] Call Trace: [ 39.105084] [ 39.105543] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.106460] ? __create_object+0x59/0x80 [ 39.107287] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.108299] __vmalloc_noprof+0x59/0x60 [ 39.109039] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.109923] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.110898] bpf_prog_alloc+0x39/0x200 [ 39.111666] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.112637] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.113568] do_seccomp+0x349/0x25e0 [ 39.114318] ? find_held_lock+0x2b/0x80 [ 39.115072] ? do_prlimit+0x310/0x610 [ 39.115835] ? __pfx_do_seccomp+0x10/0x10 [ 39.116643] ? do_raw_spin_unlock+0x53/0x220 [ 39.117506] ? _raw_spin_unlock+0x1e/0x40 [ 39.118317] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.119340] ? static_key_count+0x60/0x80 [ 39.120116] prctl_set_seccomp+0x4e/0x70 [ 39.120899] __do_sys_prctl+0xe6c/0x1d70 [ 39.121705] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.122607] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.123612] ? irqentry_exit+0xf3/0x650 [ 39.124386] do_syscall_64+0xbf/0x430 [ 39.125088] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.126067] RIP: 0033:0x7fe20b5b05cd [ 39.126813] 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 [ 39.130080] RSP: 002b:00007ffd881057e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.131514] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe20b5b05cd [ 39.132832] RDX: 0000564a74234e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.134147] RBP: 00007ffd88105840 R08: 0000000000000000 R09: 00007ffd88104ee0 [ 39.135483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564a78188ad0 [ 39.136805] R13: 00007ffd88105c70 R14: 0000564a78189bc0 R15: 0000564a7819a780 [ 39.138152] [ 39.138647] irq event stamp: 1833 [ 39.139290] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 39.140597] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 39.141919] softirqs last enabled at (1872): [] handle_softirqs+0x50c/0x770 [ 39.143252] softirqs last disabled at (1861): [] __irq_exit_rcu+0xc4/0x100 [ 39.144550] ---[ end trace 0000000000000000 ]--- [ 42.511245] ------------[ cut here ]------------ [ 42.511973] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.513607] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.514797] Modules linked in: [ 42.515317] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.517130] Tainted: [W]=WARN [ 42.517666] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.518879] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.519633] 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 [ 42.522238] RSP: 0018:ffff888016b3fbc0 EFLAGS: 00010286 [ 42.523030] RAX: 0000000000000000 RBX: ffffed1002d67f78 RCX: ffffffff813a4050 [ 42.524076] RDX: ffff888016498000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.525124] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d67f2f [ 42.526168] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.527222] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b3fdf8 [ 42.528276] FS: 00007f5f13bab900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.529458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.530326] CR2: 00007ffe884e8ef8 CR3: 000000000fdff000 CR4: 0000000000350ef0 [ 42.531390] Call Trace: [ 42.531771] [ 42.532104] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.532834] ? __create_object+0x59/0x80 [ 42.533466] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.534255] __vmalloc_noprof+0x59/0x60 [ 42.534846] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.535555] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.536319] bpf_prog_alloc+0x39/0x200 [ 42.536894] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.537645] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.538379] do_seccomp+0x349/0x25e0 [ 42.538938] ? find_held_lock+0x2b/0x80 [ 42.539571] ? do_prlimit+0x310/0x610 [ 42.540146] ? __pfx_do_seccomp+0x10/0x10 [ 42.540785] ? do_raw_spin_unlock+0x53/0x220 [ 42.541462] ? _raw_spin_unlock+0x1e/0x40 [ 42.542064] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.542867] ? static_key_count+0x60/0x80 [ 42.543520] prctl_set_seccomp+0x4e/0x70 [ 42.544120] __do_sys_prctl+0xe6c/0x1d70 [ 42.544754] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.545451] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.546250] ? irqentry_exit+0xf3/0x650 [ 42.546849] do_syscall_64+0xbf/0x430 [ 42.547458] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.548222] RIP: 0033:0x7f5f1409d5cd [ 42.548761] 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 [ 42.551380] RSP: 002b:00007ffe884e7390 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.552497] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f1409d5cd [ 42.553545] RDX: 00005569061c6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.554593] RBP: 00007ffe884e73f0 R08: 0000000000000000 R09: 00007ffe884e6a90 [ 42.555635] R10: 0000000000000000 R11: 0000000000000246 R12: 000055691b594b10 [ 42.556671] R13: 00007ffe884e7820 R14: 000055691b5952b0 R15: 000055691b5a96f0 [ 42.557733] [ 42.558079] irq event stamp: 1853 [ 42.558623] hardirqs last enabled at (1863): [] __up_console_sem+0x78/0x80 [ 42.559874] hardirqs last disabled at (1872): [] __up_console_sem+0x5d/0x80 [ 42.561112] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 42.562368] softirqs last disabled at (1655): [] __irq_exit_rcu+0xc4/0x100 [ 42.563608] ---[ end trace 0000000000000000 ]--- [ 43.419903] ------------[ cut here ]------------ [ 43.420833] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.422805] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.424264] Modules linked in: [ 43.424848] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.426818] Tainted: [W]=WARN [ 43.427413] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.428880] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.429795] 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 [ 43.432955] RSP: 0018:ffff888019a47bc0 EFLAGS: 00010286 [ 43.433940] RAX: 0000000000000000 RBX: ffffed1003348f78 RCX: ffffffff813a4050 [ 43.435235] RDX: ffff888016049bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.436502] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003348f2f [ 43.437780] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.439053] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019a47df8 [ 43.440330] FS: 00007fcd06f8b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.441768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.442830] CR2: 00007ffea1022ef8 CR3: 000000001d752000 CR4: 0000000000350ef0 [ 43.444118] Call Trace: [ 43.444619] [ 43.445035] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.445923] ? __create_object+0x59/0x80 [ 43.446725] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.447689] __vmalloc_noprof+0x59/0x60 [ 43.448444] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.449323] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.450243] bpf_prog_alloc+0x39/0x200 [ 43.450935] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.451854] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.452764] do_seccomp+0x349/0x25e0 [ 43.453486] ? find_held_lock+0x2b/0x80 [ 43.454187] ? do_prlimit+0x310/0x610 [ 43.454954] ? __pfx_do_seccomp+0x10/0x10 [ 43.455740] ? do_raw_spin_unlock+0x53/0x220 [ 43.456562] ? _raw_spin_unlock+0x1e/0x40 [ 43.457356] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.458313] ? static_key_count+0x60/0x80 [ 43.459079] prctl_set_seccomp+0x4e/0x70 [ 43.459845] __do_sys_prctl+0xe6c/0x1d70 [ 43.460630] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.461493] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.462459] ? irqentry_exit+0xf3/0x650 [ 43.463188] do_syscall_64+0xbf/0x430 [ 43.463942] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.464894] RIP: 0033:0x7fcd0747d5cd [ 43.465597] 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 [ 43.468754] RSP: 002b:00007ffea1020910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.470111] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcd0747d5cd [ 43.471410] RDX: 00005560062dde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.472685] RBP: 00007ffea1020970 R08: 0000000000000000 R09: 00007ffea1020010 [ 43.473956] R10: 0000000000000000 R11: 0000000000000246 R12: 000055601d3512b0 [ 43.475238] R13: 00007ffea1020da0 R14: 000055601d353d20 R15: 000055601d3658d0 [ 43.476535] [ 43.476956] irq event stamp: 1771 [ 43.477601] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 43.479122] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 43.480637] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770 [ 43.482169] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 43.483720] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:4373' (ECDSA) to the list of known hosts. 2025/11/19 03:09:21 fuzzer started 2025/11/19 03:09:21 dialing manager at localhost:34383 2025/11/19 03:09:21 checking machine... 2025/11/19 03:09:21 checking revisions... [ 44.373408] kmemleak: Automatic memory scanning thread ended 2025/11/19 03:09:21 testing simple program... [ 44.466452] cgroup: Unknown subsys name 'net' [ 44.538657] cgroup: Unknown subsys name 'cpuset' [ 44.552830] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:09:20 Registers: info registers vcpu 0 RAX=0000000000004005 RBX=ffff888017653780 RCX=000000001073dead RDX=0000000000000008 RSI=ffff888017654228 RDI=00000000c57798ad RBP=ffff8880176541d8 RSP=ffff88806ce088c8 R8 =0000000000000002 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888017654228 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81527599 RFL=00000006 [-----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 00007f5f13bab900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe884e1000 CR3=0000000013b8a000 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 info registers vcpu 1 RAX=000000000002b789 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 fffffe4c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc5aa5bc88 CR3=000000001d460000 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=39303a333020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303733 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000