tmpfs: Unknown parameter 'usrqYota_in tmpfs: Unknown parameter 'usrqYota_inode_hardlimit' ------------[ cut here ]------------ field width 1701060711 out of range WARNING: lib/vsprintf.c:2654 at set_field_width lib/vsprintf.c:2654 [inline], CPU#1: syz.5.965/9455 WARNING: lib/vsprintf.c:2654 at vsnprintf+0xb9c/0xd10 lib/vsprintf.c:2918, CPU#1: syz.5.965/9455 Modules linked in: CPU: 1 UID: 0 PID: 9455 Comm: syz.5.965 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 pstate: 634000c5 (nZCv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : set_field_width lib/vsprintf.c:2654 [inline] pc : vsnprintf+0xb9c/0xd10 lib/vsprintf.c:2918 lr : set_field_width lib/vsprintf.c:2654 [inline] lr : vsnprintf+0xb9c/0xd10 lib/vsprintf.c:2918 sp : ffff800090f06b10 x29: ffff800090f06b60 x28: 00000000007fffff x27: ffff8000873e72a2 x26: 0000000065642067 x25: ffff800090f06bd8 x24: 0000000000000402 x23: ffff800090f06f18 x22: ffff800087aced80 x21: ffff800090f06bf0 x20: ffff800090f06ecb x19: dfff800000000000 x18: ffff800125498000 x17: ffff8000839fec00 x16: ffff800083a18d5c x15: 0000000020000340 x14: 00000000000c0893 x13: 00000000000001a7 x12: 0000000000000003 x11: 0000000000000000 x10: 0000000000080000 x9 : 883d456e5fbb4a00 x8 : 883d456e5fbb4a00 x7 : ffff800080482944 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000802f3620 x2 : 0000000100000000 x1 : ffff000117401d80 x0 : 0000000000000001 Call trace: set_field_width lib/vsprintf.c:2654 [inline] (P) vsnprintf+0xb9c/0xd10 lib/vsprintf.c:2918 (P) va_format lib/vsprintf.c:1725 [inline] pointer+0x5e8/0x6b4 lib/vsprintf.c:2577 vsnprintf+0x618/0xd10 lib/vsprintf.c:2953 vprintk_store+0x344/0xb94 kernel/printk/printk.c:2307 vprintk_emit+0x1bc/0x514 kernel/printk/printk.c:2455 dev_vprintk_emit+0x2ec/0x3b4 drivers/base/core.c:5000 dev_printk_emit+0xe0/0x130 drivers/base/core.c:5011 __dynamic_dev_dbg+0x1b4/0x254 lib/dynamic_debug.c:904 dtv_property_process_get+0x26bc/0x2838 drivers/media/dvb-core/dvb_frontend.c:1595 dvb_get_property drivers/media/dvb-core/dvb_frontend.c:2397 [inline] dvb_frontend_handle_ioctl+0x1644/0x2424 drivers/media/dvb-core/dvb_frontend.c:2478 dvb_frontend_do_ioctl+0x124/0x278 drivers/media/dvb-core/dvb_frontend.c:2101 dvb_usercopy+0x2a4/0x4d4 drivers/media/dvb-core/dvbdev.c:996 dvb_frontend_ioctl+0x68/0x8c drivers/media/dvb-core/dvb_frontend.c:2115 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __arm64_sys_ioctl+0x154/0x1cc fs/ioctl.c:583 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x19c/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 irq event stamp: 59048 hardirqs last enabled at (59047): [] vprintk_store+0x924/0xb94 kernel/printk/printk.c:2385 hardirqs last disabled at (59048): [] vprintk_store+0x13c/0xb94 kernel/printk/printk.c:2287 softirqs last enabled at (58972): [] __alloc_skb+0x1c0/0x610 net/core/skbuff.c:698 softirqs last disabled at (58970): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (58970): [] __alloc_skb+0x1a8/0x610 net/core/skbuff.c:697 ---[ end trace 0000000000000000 ]--- ================================================================== BUG: KASAN: slab-out-of-bounds in hex_string+0x274/0x364 lib/vsprintf.c:1209 Read of size 1 at addr ffff0000fb15f930 by task syz.5.965/9455 CPU: 1 UID: 0 PID: 9455 Comm: syz.5.965 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 print_address_description+0xb0/0x238 mm/kasan/report.c:378 print_report+0x68/0x84 mm/kasan/report.c:482 kasan_report+0x8c/0xc4 mm/kasan/report.c:595 __asan_report_load1_noabort+0x20/0x2c mm/kasan/report_generic.c:378 hex_string+0x274/0x364 lib/vsprintf.c:1209 pointer+0x1a8/0x6b4 lib/vsprintf.c:2548 vsnprintf+0x618/0xd10 lib/vsprintf.c:2953 va_format lib/vsprintf.c:1725 [inline] pointer+0x5e8/0x6b4 lib/vsprintf.c:2577 vsnprintf+0x618/0xd10 lib/vsprintf.c:2953 vscnprintf+0x6c/0xd4 lib/vsprintf.c:3018 printk_sprint+0xc0/0x65c kernel/printk/printk.c:2222 vprintk_store+0x714/0xb94 kernel/printk/printk.c:2364 vprintk_emit+0x1bc/0x514 kernel/printk/printk.c:2455 dev_vprintk_emit+0x2ec/0x3b4 drivers/base/core.c:5000 dev_printk_emit+0xe0/0x130 drivers/base/core.c:5011 __dynamic_dev_dbg+0x1b4/0x254 lib/dynamic_debug.c:904 dtv_property_process_get+0x26bc/0x2838 drivers/media/dvb-core/dvb_frontend.c:1595 dvb_get_property drivers/media/dvb-core/dvb_frontend.c:2397 [inline] dvb_frontend_handle_ioctl+0x1644/0x2424 drivers/media/dvb-core/dvb_frontend.c:2478 dvb_frontend_do_ioctl+0x124/0x278 drivers/media/dvb-core/dvb_frontend.c:2101 dvb_usercopy+0x2a4/0x4d4 drivers/media/dvb-core/dvbdev.c:996 dvb_frontend_ioctl+0x68/0x8c drivers/media/dvb-core/dvb_frontend.c:2115 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __arm64_sys_ioctl+0x154/0x1cc fs/ioctl.c:583 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x19c/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 Allocated by task 9455: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:78 kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:570 poison_kmalloc_redzone mm/kasan/common.c:409 [inline] __kasan_kmalloc+0x9c/0xb4 mm/kasan/common.c:426 kasan_kmalloc include/linux/kasan.h:263 [inline] __do_kmalloc_node mm/slub.c:5414 [inline] __kmalloc_node_track_caller_noprof+0x440/0x6e0 mm/slub.c:5545 memdup_user+0x44/0xec mm/util.c:221 memdup_array_user include/linux/string.h:39 [inline] dvb_get_property drivers/media/dvb-core/dvb_frontend.c:2380 [inline] dvb_frontend_handle_ioctl+0xb8c/0x2424 drivers/media/dvb-core/dvb_frontend.c:2478 dvb_frontend_do_ioctl+0x124/0x278 drivers/media/dvb-core/dvb_frontend.c:2101 dvb_usercopy+0x2a4/0x4d4 drivers/media/dvb-core/dvbdev.c:996 dvb_frontend_ioctl+0x68/0x8c drivers/media/dvb-core/dvb_frontend.c:2115 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __arm64_sys_ioctl+0x154/0x1cc fs/ioctl.c:583 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x19c/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 The buggy address belongs to the object at ffff0000fb15f800 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes to the right of allocated 304-byte region [ffff0000fb15f800, ffff0000fb15f930) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff0000fb15fc00 pfn:0x13b15c head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x5ffc00000000240(workingset|head|node=0|zone=2|lastcpupid=0x7ff) page_type: f5(slab) raw: 05ffc00000000240 ffff0000c0001c80 ffff0000c00007c8 fffffdffc33ba810 raw: ffff0000fb15fc00 000000000010000f 00000000f5000000 0000000000000000 head: 05ffc00000000240 ffff0000c0001c80 ffff0000c00007c8 fffffdffc33ba810 head: ffff0000fb15fc00 000000000010000f 00000000f5000000 0000000000000000 head: 05ffc00000000002 fffffdffc3ec5701 00000000ffffffff 00000000ffffffff head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000fb15f800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000fb15f880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000fb15f900: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc ^ ffff0000fb15f980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000fb15fa00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================