Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.992390] ------------[ cut here ]------------ [ 38.993317] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.995324] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.996761] Modules linked in: [ 38.997458] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.999440] Tainted: [W]=WARN [ 39.000036] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.001497] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.002420] 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 [ 39.005596] RSP: 0018:ffff88800f9afbc0 EFLAGS: 00010286 [ 39.006567] RAX: 0000000000000000 RBX: ffffed1001f35f78 RCX: ffffffff813a4050 [ 39.007840] RDX: ffff888015d63780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.009110] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001f35f2f [ 39.010419] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.011713] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f9afdf8 [ 39.012996] FS: 00007f4b5acc1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.014467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.015523] CR2: 00007f4b5b1b3580 CR3: 000000000cfb9000 CR4: 0000000000350ef0 [ 39.016791] Call Trace: [ 39.017300] [ 39.017741] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.018631] ? __create_object+0x59/0x80 [ 39.019396] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.020353] __vmalloc_noprof+0x59/0x60 [ 39.021103] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.022011] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.022889] bpf_prog_alloc+0x39/0x200 [ 39.023621] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.024544] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.025449] do_seccomp+0x349/0x25e0 [ 39.026184] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.027062] ? __pfx_do_seccomp+0x10/0x10 [ 39.027786] ? find_held_lock+0x2b/0x80 [ 39.028542] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.029514] ? static_key_count+0x60/0x80 [ 39.030339] prctl_set_seccomp+0x4e/0x70 [ 39.031108] __do_sys_prctl+0xe6c/0x1d70 [ 39.031843] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.032685] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.033680] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.034637] ? irqentry_exit+0xf3/0x650 [ 39.035391] do_syscall_64+0xbf/0x430 [ 39.036110] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.037049] RIP: 0033:0x7f4b5b1b35cd [ 39.037732] 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 [ 39.040868] RSP: 002b:00007fff0f892b70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.042231] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4b5b1b35cd [ 39.043514] RDX: 00005584f95ede00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.044780] RBP: 00007fff0f892bd0 R08: 0000000000000000 R09: 00007fff0f892270 [ 39.046097] R10: 0000000000000000 R11: 0000000000000246 R12: 00005585120e4ad0 [ 39.047356] R13: 00007fff0f893000 R14: 00005585120e5bc0 R15: 00005585120f6780 [ 39.048646] [ 39.049103] irq event stamp: 1843 [ 39.049726] hardirqs last enabled at (1851): [] __up_console_sem+0x78/0x80 [ 39.050995] hardirqs last disabled at (1860): [] __up_console_sem+0x5d/0x80 [ 39.052264] softirqs last enabled at (1810): [] handle_softirqs+0x50c/0x770 [ 39.053574] softirqs last disabled at (1805): [] __irq_exit_rcu+0xc4/0x100 [ 39.054827] ---[ end trace 0000000000000000 ]--- [ 42.592100] ------------[ cut here ]------------ [ 42.593057] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.595232] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.596852] Modules linked in: [ 42.597533] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.599577] Tainted: [W]=WARN [ 42.600184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.601718] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.602664] 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 [ 42.605999] RSP: 0018:ffff888015e37bc0 EFLAGS: 00010286 [ 42.607015] RAX: 0000000000000000 RBX: ffffed1002bc6f78 RCX: ffffffff813a4050 [ 42.608348] RDX: ffff888009a8b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.609712] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bc6f2f [ 42.611038] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.612347] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e37df8 [ 42.613689] FS: 00007f5eaef10900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.615164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.616261] CR2: 00007ffd4a9a7ef7 CR3: 000000001f8c2000 CR4: 0000000000350ef0 [ 42.617634] Call Trace: [ 42.618147] [ 42.618574] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.619498] ? __create_object+0x59/0x80 [ 42.620312] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.621319] __vmalloc_noprof+0x59/0x60 [ 42.622154] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.623058] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.624033] bpf_prog_alloc+0x39/0x200 [ 42.624756] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.625753] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.626685] do_seccomp+0x349/0x25e0 [ 42.627440] ? find_held_lock+0x2b/0x80 [ 42.628233] ? do_prlimit+0x310/0x610 [ 42.629000] ? __pfx_do_seccomp+0x10/0x10 [ 42.629810] ? do_raw_spin_unlock+0x53/0x220 [ 42.630682] ? _raw_spin_unlock+0x1e/0x40 [ 42.631492] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.632474] ? static_key_count+0x60/0x80 [ 42.633298] prctl_set_seccomp+0x4e/0x70 [ 42.634149] __do_sys_prctl+0xe6c/0x1d70 [ 42.634918] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.635811] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.636813] ? irqentry_exit+0xf3/0x650 [ 42.637644] do_syscall_64+0xbf/0x430 [ 42.638411] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.639393] RIP: 0033:0x7f5eaf4025cd [ 42.640136] 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 [ 42.643483] RSP: 002b:00007ffd4a9a6740 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.644900] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5eaf4025cd [ 42.646250] RDX: 000055d14fb6be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.647548] RBP: 00007ffd4a9a67a0 R08: 0000000000000000 R09: 00007ffd4a9a5e40 [ 42.648863] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d16fcd2ad0 [ 42.650205] R13: 00007ffd4a9a6bd0 R14: 000055d16fcd3bc0 R15: 000055d16fce4780 [ 42.651530] [ 42.651991] irq event stamp: 2913 [ 42.652601] hardirqs last enabled at (2921): [] __up_console_sem+0x78/0x80 [ 42.654196] hardirqs last disabled at (2930): [] __up_console_sem+0x5d/0x80 [ 42.655740] softirqs last enabled at (2400): [] handle_softirqs+0x50c/0x770 [ 42.657302] softirqs last disabled at (2375): [] __irq_exit_rcu+0xc4/0x100 [ 42.658820] ---[ end trace 0000000000000000 ]--- [ 43.466401] ------------[ cut here ]------------ [ 43.467330] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.469301] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.470752] Modules linked in: [ 43.471612] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.473912] Tainted: [W]=WARN [ 43.474515] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.475995] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.476858] 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 [ 43.480008] RSP: 0018:ffff8880152bfbc0 EFLAGS: 00010286 [ 43.480929] RAX: 0000000000000000 RBX: ffffed1002a57f78 RCX: ffffffff813a4050 [ 43.482255] RDX: ffff88801880d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.483516] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002a57f2f [ 43.484784] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.486084] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880152bfdf8 [ 43.487362] FS: 00007f47315e8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.488788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.489846] CR2: 00007fff6dfeaef7 CR3: 000000001f717000 CR4: 0000000000350ef0 [ 43.491115] Call Trace: [ 43.491575] [ 43.492027] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.492879] ? __create_object+0x59/0x80 [ 43.493686] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.494669] __vmalloc_noprof+0x59/0x60 [ 43.495416] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.496308] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.497252] bpf_prog_alloc+0x39/0x200 [ 43.498000] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.498875] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.499771] do_seccomp+0x349/0x25e0 [ 43.500482] ? find_held_lock+0x2b/0x80 [ 43.501233] ? do_prlimit+0x310/0x610 [ 43.501943] ? __pfx_do_seccomp+0x10/0x10 [ 43.502748] ? do_raw_spin_unlock+0x53/0x220 [ 43.503592] ? _raw_spin_unlock+0x1e/0x40 [ 43.504383] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.505365] ? static_key_count+0x60/0x80 [ 43.506197] prctl_set_seccomp+0x4e/0x70 [ 43.506937] __do_sys_prctl+0xe6c/0x1d70 [ 43.507740] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.508603] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.509592] ? irqentry_exit+0xf3/0x650 [ 43.510370] do_syscall_64+0xbf/0x430 [ 43.511116] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.512079] RIP: 0033:0x7f4731ada5cd [ 43.512752] 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 [ 43.515998] RSP: 002b:00007fff6dfe8880 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.517375] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4731ada5cd [ 43.518692] RDX: 000055fc5349ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.520000] RBP: 00007fff6dfe88e0 R08: 0000000000000000 R09: 00007fff6dfe7f80 [ 43.521300] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fc75ae72b0 [ 43.522604] R13: 00007fff6dfe8d10 R14: 000055fc75ae9d20 R15: 000055fc75afb8d0 [ 43.523920] [ 43.524401] irq event stamp: 1877 [ 43.525050] hardirqs last enabled at (1887): [] __up_console_sem+0x78/0x80 [ 43.526609] hardirqs last disabled at (1896): [] __up_console_sem+0x5d/0x80 [ 43.528156] softirqs last enabled at (1434): [] handle_softirqs+0x50c/0x770 [ 43.529725] softirqs last disabled at (1429): [] __irq_exit_rcu+0xc4/0x100 [ 43.531257] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45515' (ECDSA) to the list of known hosts. 2025/11/17 12:14:11 fuzzer started 2025/11/17 12:14:11 dialing manager at localhost:37895 2025/11/17 12:14:11 checking machine... 2025/11/17 12:14:11 checking revisions... [ 44.439463] kmemleak: Automatic memory scanning thread ended 2025/11/17 12:14:12 testing simple program... [ 44.539588] cgroup: Unknown subsys name 'net' [ 44.614252] cgroup: Unknown subsys name 'cpuset' [ 44.627126] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 12:14:11 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888015ddf860 RCX=0000000000000001 RDX=1ffff11002bbbf0e RSI=ffff888015ddfb40 RDI=ffff888015ddf870 RBP=ffff888015ddfb40 RSP=ffff888015ddf7b8 R8 =ffffffff86d7a2a6 R9 =0000000000000000 R10=000000000003c9ed R11=000000000009b073 R12=0000000000000008 R13=ffff888015dd8000 R14=ffff888015ddfb48 R15=ffff888015ddf860 RIP=ffffffff8135e288 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 00007f5eaef10900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5eaf4c7618 CR3=000000001f7bf000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff8880e548f000 RCX=000000000000080b RDX=0000000000000000 RSI=ffffffff81351e01 RDI=0000000000000001 RBP=ffff8880096efda8 RSP=ffff88806cf08fd0 R8 =0000000000000001 R9 =ffffed100d9e4799 R10=0000000000000000 R11=0000000000000001 R12=0000000000000001 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff8134016f RFL=00000046 [---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 0000000000000000 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=000055d16fcf7768 CR3=000000000fa21000 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=47fe2da2d80f4ca1c24daa99f14fa5cd XMM02=ec2efd57dc4c00df0000000000301440 XMM03=28b414d48127d4430000000000301510 XMM04=2d35bcaadc8f50af00000000000ae988 XMM05=d96330e2d2db8632000000000031fc00 XMM06=d9202a0bcf2b85dd0000000000319958 XMM07=e042d86d42eb936e000000000030f3b8 XMM08=28b414d48127d4430000000000301510 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000